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gerrit-public.fairphone.software / kernel / msm-4.9 / 4a2e7aab4ffce1e0e79b303dc2f9a03aa9f3a332 / . / tools / power / x86 / turbostat / turbostat.c
blob: 0dac7e05a6ac9e5f1500eca1cebbce2d900ab511 [file] [log] [blame]
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1/*
2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors.
4 *
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]5 * Copyright (c) 2013 Intel Corporation.
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]6 * Len Brown <len.brown@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]22#define _GNU_SOURCE
Josh Triplettb731f312013-08-20 17:20:12 -0700[diff] [blame]23#include MSRHEADER
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]24#include <stdarg.h>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]25#include <stdio.h>
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]26#include <err.h>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]27#include <unistd.h>
28#include <sys/types.h>
29#include <sys/wait.h>
30#include <sys/stat.h>
31#include <sys/resource.h>
32#include <fcntl.h>
33#include <signal.h>
34#include <sys/time.h>
35#include <stdlib.h>
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]36#include <getopt.h>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]37#include <dirent.h>
38#include <string.h>
39#include <ctype.h>
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]40#include <sched.h>
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame]41#include <cpuid.h>
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]42#include <linux/capability.h>
43#include <errno.h>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]44
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]45char *proc_stat = "/proc/stat";
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]46unsigned int interval_sec = 5;
47unsigned int debug;
48unsigned int rapl_joules;
49unsigned int summary_only;
50unsigned int dump_only;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]51unsigned int skip_c0;
52unsigned int skip_c1;
53unsigned int do_nhm_cstates;
54unsigned int do_snb_cstates;
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]55unsigned int do_knl_cstates;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]56unsigned int do_pc2;
57unsigned int do_pc3;
58unsigned int do_pc6;
59unsigned int do_pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]60unsigned int do_c8_c9_c10;
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]61unsigned int do_skl_residency;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]62unsigned int do_slm_cstates;
63unsigned int use_c1_residency_msr;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]64unsigned int has_aperf;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]65unsigned int has_epb;
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]66unsigned int units = 1000000; /* MHz etc */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]67unsigned int genuine_intel;
68unsigned int has_invariant_tsc;
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]69unsigned int do_nhm_platform_info;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]70unsigned int extra_msr_offset32;
71unsigned int extra_msr_offset64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]72unsigned int extra_delta_offset32;
73unsigned int extra_delta_offset64;
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +0200[diff] [blame]74unsigned int aperf_mperf_multiplier = 1;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]75int do_smi;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]76double bclk;
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]77double base_hz;
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]78unsigned int has_base_hz;
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]79double tsc_tweak = 1.0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]80unsigned int show_pkg;
81unsigned int show_core;
82unsigned int show_cpu;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]83unsigned int show_pkg_only;
84unsigned int show_core_only;
85char *output_buffer, *outp;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]86unsigned int do_rapl;
87unsigned int do_dts;
88unsigned int do_ptm;
89unsigned int tcc_activation_temp;
90unsigned int tcc_activation_temp_override;
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]91double rapl_power_units, rapl_time_units;
92double rapl_dram_energy_units, rapl_energy_units;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]93double rapl_joule_counter_range;
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]94unsigned int do_core_perf_limit_reasons;
95unsigned int do_gfx_perf_limit_reasons;
96unsigned int do_ring_perf_limit_reasons;
Len Brown8a5bdf42015-04-01 21:02:57 -0400[diff] [blame]97unsigned int crystal_hz;
98unsigned long long tsc_hz;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]99int base_cpu;
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]100double discover_bclk(unsigned int family, unsigned int model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]101
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]102#define RAPL_PKG (1 << 0)
103 /* 0x610 MSR_PKG_POWER_LIMIT */
104 /* 0x611 MSR_PKG_ENERGY_STATUS */
105#define RAPL_PKG_PERF_STATUS (1 << 1)
106 /* 0x613 MSR_PKG_PERF_STATUS */
107#define RAPL_PKG_POWER_INFO (1 << 2)
108 /* 0x614 MSR_PKG_POWER_INFO */
109
110#define RAPL_DRAM (1 << 3)
111 /* 0x618 MSR_DRAM_POWER_LIMIT */
112 /* 0x619 MSR_DRAM_ENERGY_STATUS */
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]113#define RAPL_DRAM_PERF_STATUS (1 << 4)
114 /* 0x61b MSR_DRAM_PERF_STATUS */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]115#define RAPL_DRAM_POWER_INFO (1 << 5)
116 /* 0x61c MSR_DRAM_POWER_INFO */
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]117
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]118#define RAPL_CORES (1 << 6)
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]119 /* 0x638 MSR_PP0_POWER_LIMIT */
120 /* 0x639 MSR_PP0_ENERGY_STATUS */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]121#define RAPL_CORE_POLICY (1 << 7)
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]122 /* 0x63a MSR_PP0_POLICY */
123
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]124#define RAPL_GFX (1 << 8)
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]125 /* 0x640 MSR_PP1_POWER_LIMIT */
126 /* 0x641 MSR_PP1_ENERGY_STATUS */
127 /* 0x642 MSR_PP1_POLICY */
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]128#define TJMAX_DEFAULT 100
129
130#define MAX(a, b) ((a) > (b) ? (a) : (b))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]131
132int aperf_mperf_unstable;
133int backwards_count;
134char *progname;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]135
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]136cpu_set_t *cpu_present_set, *cpu_affinity_set;
137size_t cpu_present_setsize, cpu_affinity_setsize;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]138
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]139struct thread_data {
140 unsigned long long tsc;
141 unsigned long long aperf;
142 unsigned long long mperf;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]143 unsigned long long c1;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]144 unsigned long long extra_msr64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]145 unsigned long long extra_delta64;
146 unsigned long long extra_msr32;
147 unsigned long long extra_delta32;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]148 unsigned int smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]149 unsigned int cpu_id;
150 unsigned int flags;
151#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
152#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
153} *thread_even, *thread_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]154
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]155struct core_data {
156 unsigned long long c3;
157 unsigned long long c6;
158 unsigned long long c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]159 unsigned int core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]160 unsigned int core_id;
161} *core_even, *core_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]162
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]163struct pkg_data {
164 unsigned long long pc2;
165 unsigned long long pc3;
166 unsigned long long pc6;
167 unsigned long long pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]168 unsigned long long pc8;
169 unsigned long long pc9;
170 unsigned long long pc10;
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]171 unsigned long long pkg_wtd_core_c0;
172 unsigned long long pkg_any_core_c0;
173 unsigned long long pkg_any_gfxe_c0;
174 unsigned long long pkg_both_core_gfxe_c0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]175 unsigned int package_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]176 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
177 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
178 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
179 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
180 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
181 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
182 unsigned int pkg_temp_c;
183
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]184} *package_even, *package_odd;
185
186#define ODD_COUNTERS thread_odd, core_odd, package_odd
187#define EVEN_COUNTERS thread_even, core_even, package_even
188
189#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
190 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
191 topo.num_threads_per_core + \
192 (core_no) * topo.num_threads_per_core + (thread_no))
193#define GET_CORE(core_base, core_no, pkg_no) \
194 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
195#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
196
197struct system_summary {
198 struct thread_data threads;
199 struct core_data cores;
200 struct pkg_data packages;
201} sum, average;
202
203
204struct topo_params {
205 int num_packages;
206 int num_cpus;
207 int num_cores;
208 int max_cpu_num;
209 int num_cores_per_pkg;
210 int num_threads_per_core;
211} topo;
212
213struct timeval tv_even, tv_odd, tv_delta;
214
215void setup_all_buffers(void);
216
217int cpu_is_not_present(int cpu)
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]218{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]219 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]220}
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]221/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]222 * run func(thread, core, package) in topology order
223 * skip non-present cpus
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]224 */
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]225
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]226int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
227 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]228{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]229 int retval, pkg_no, core_no, thread_no;
230
231 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
232 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
233 for (thread_no = 0; thread_no <
234 topo.num_threads_per_core; ++thread_no) {
235 struct thread_data *t;
236 struct core_data *c;
237 struct pkg_data *p;
238
239 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
240
241 if (cpu_is_not_present(t->cpu_id))
242 continue;
243
244 c = GET_CORE(core_base, core_no, pkg_no);
245 p = GET_PKG(pkg_base, pkg_no);
246
247 retval = func(t, c, p);
248 if (retval)
249 return retval;
250 }
251 }
252 }
253 return 0;
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]254}
255
256int cpu_migrate(int cpu)
257{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]258 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
259 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
260 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]261 return -1;
262 else
263 return 0;
264}
265
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]266int get_msr(int cpu, off_t offset, unsigned long long *msr)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]267{
268 ssize_t retval;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]269 char pathname[32];
270 int fd;
271
272 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
273 fd = open(pathname, O_RDONLY);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]274 if (fd < 0)
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]275 err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]276
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]277 retval = pread(fd, msr, sizeof *msr, offset);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]278 close(fd);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]279
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]280 if (retval != sizeof *msr)
281 err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]282
283 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]284}
285
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]286/*
287 * Example Format w/ field column widths:
288 *
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]289 * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
290 * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]291 */
292
Len Browna829eb42011-02-10 23:36:34 -0500[diff] [blame]293void print_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]294{
295 if (show_pkg)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]296 outp += sprintf(outp, " Package");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]297 if (show_core)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]298 outp += sprintf(outp, " Core");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]299 if (show_cpu)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]300 outp += sprintf(outp, " CPU");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]301 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]302 outp += sprintf(outp, " Avg_MHz");
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]303 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]304 outp += sprintf(outp, " %%Busy");
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]305 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]306 outp += sprintf(outp, " Bzy_MHz");
307 outp += sprintf(outp, " TSC_MHz");
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]308
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]309 if (extra_delta_offset32)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]310 outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]311 if (extra_delta_offset64)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]312 outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]313 if (extra_msr_offset32)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]314 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]315 if (extra_msr_offset64)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]316 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]317
318 if (!debug)
319 goto done;
320
321 if (do_smi)
322 outp += sprintf(outp, " SMI");
323
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]324 if (do_nhm_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]325 outp += sprintf(outp, " CPU%%c1");
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]326 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]327 outp += sprintf(outp, " CPU%%c3");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]328 if (do_nhm_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]329 outp += sprintf(outp, " CPU%%c6");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]330 if (do_snb_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]331 outp += sprintf(outp, " CPU%%c7");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]332
333 if (do_dts)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]334 outp += sprintf(outp, " CoreTmp");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]335 if (do_ptm)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]336 outp += sprintf(outp, " PkgTmp");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]337
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]338 if (do_skl_residency) {
339 outp += sprintf(outp, " Totl%%C0");
340 outp += sprintf(outp, " Any%%C0");
341 outp += sprintf(outp, " GFX%%C0");
342 outp += sprintf(outp, " CPUGFX%%");
343 }
344
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]345 if (do_pc2)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]346 outp += sprintf(outp, " Pkg%%pc2");
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]347 if (do_pc3)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]348 outp += sprintf(outp, " Pkg%%pc3");
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]349 if (do_pc6)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]350 outp += sprintf(outp, " Pkg%%pc6");
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]351 if (do_pc7)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]352 outp += sprintf(outp, " Pkg%%pc7");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]353 if (do_c8_c9_c10) {
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]354 outp += sprintf(outp, " Pkg%%pc8");
355 outp += sprintf(outp, " Pkg%%pc9");
356 outp += sprintf(outp, " Pk%%pc10");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]357 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]358
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]359 if (do_rapl && !rapl_joules) {
360 if (do_rapl & RAPL_PKG)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]361 outp += sprintf(outp, " PkgWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]362 if (do_rapl & RAPL_CORES)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]363 outp += sprintf(outp, " CorWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]364 if (do_rapl & RAPL_GFX)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]365 outp += sprintf(outp, " GFXWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]366 if (do_rapl & RAPL_DRAM)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]367 outp += sprintf(outp, " RAMWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]368 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]369 outp += sprintf(outp, " PKG_%%");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]370 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]371 outp += sprintf(outp, " RAM_%%");
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]372 } else if (do_rapl && rapl_joules) {
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]373 if (do_rapl & RAPL_PKG)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]374 outp += sprintf(outp, " Pkg_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]375 if (do_rapl & RAPL_CORES)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]376 outp += sprintf(outp, " Cor_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]377 if (do_rapl & RAPL_GFX)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]378 outp += sprintf(outp, " GFX_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]379 if (do_rapl & RAPL_DRAM)
Len Brownbd6906e2015-07-24 10:35:23 -0400[diff] [blame]380 outp += sprintf(outp, " RAM_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]381 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]382 outp += sprintf(outp, " PKG_%%");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]383 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400[diff] [blame]384 outp += sprintf(outp, " RAM_%%");
385 outp += sprintf(outp, " time");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]386
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]387 }
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]388 done:
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]389 outp += sprintf(outp, "\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]390}
391
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]392int dump_counters(struct thread_data *t, struct core_data *c,
393 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]394{
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]395 outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]396
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]397 if (t) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]398 outp += sprintf(outp, "CPU: %d flags 0x%x\n",
399 t->cpu_id, t->flags);
400 outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
401 outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
402 outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
403 outp += sprintf(outp, "c1: %016llX\n", t->c1);
404 outp += sprintf(outp, "msr0x%x: %08llX\n",
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]405 extra_delta_offset32, t->extra_delta32);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]406 outp += sprintf(outp, "msr0x%x: %016llX\n",
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]407 extra_delta_offset64, t->extra_delta64);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]408 outp += sprintf(outp, "msr0x%x: %08llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]409 extra_msr_offset32, t->extra_msr32);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]410 outp += sprintf(outp, "msr0x%x: %016llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]411 extra_msr_offset64, t->extra_msr64);
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]412 if (do_smi)
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]413 outp += sprintf(outp, "SMI: %08X\n", t->smi_count);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]414 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]415
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]416 if (c) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]417 outp += sprintf(outp, "core: %d\n", c->core_id);
418 outp += sprintf(outp, "c3: %016llX\n", c->c3);
419 outp += sprintf(outp, "c6: %016llX\n", c->c6);
420 outp += sprintf(outp, "c7: %016llX\n", c->c7);
421 outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]422 }
423
424 if (p) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]425 outp += sprintf(outp, "package: %d\n", p->package_id);
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]426
427 outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
428 outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
429 outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
430 outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
431
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]432 outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]433 if (do_pc3)
434 outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
435 if (do_pc6)
436 outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
437 if (do_pc7)
438 outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]439 outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
440 outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
441 outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
442 outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
443 outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
444 outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
445 outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
446 outp += sprintf(outp, "Throttle PKG: %0X\n",
447 p->rapl_pkg_perf_status);
448 outp += sprintf(outp, "Throttle RAM: %0X\n",
449 p->rapl_dram_perf_status);
450 outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]451 }
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]452
453 outp += sprintf(outp, "\n");
454
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]455 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]456}
457
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]458/*
459 * column formatting convention & formats
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]460 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]461int format_counters(struct thread_data *t, struct core_data *c,
462 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]463{
464 double interval_float;
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]465 char *fmt8;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]466
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]467 /* if showing only 1st thread in core and this isn't one, bail out */
468 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
469 return 0;
470
471 /* if showing only 1st thread in pkg and this isn't one, bail out */
472 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
473 return 0;
474
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]475 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
476
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]477 /* topo columns, print blanks on 1st (average) line */
478 if (t == &average.threads) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]479 if (show_pkg)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]480 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]481 if (show_core)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]482 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]483 if (show_cpu)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]484 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]485 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]486 if (show_pkg) {
487 if (p)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]488 outp += sprintf(outp, "%8d", p->package_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]489 else
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]490 outp += sprintf(outp, " -");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]491 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]492 if (show_core) {
493 if (c)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]494 outp += sprintf(outp, "%8d", c->core_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]495 else
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]496 outp += sprintf(outp, " -");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]497 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]498 if (show_cpu)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]499 outp += sprintf(outp, "%8d", t->cpu_id);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]500 }
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]501
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]502 /* Avg_MHz */
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]503 if (has_aperf)
504 outp += sprintf(outp, "%8.0f",
505 1.0 / units * t->aperf / interval_float);
506
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]507 /* %Busy */
508 if (has_aperf) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]509 if (!skip_c0)
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]510 outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]511 else
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]512 outp += sprintf(outp, "********");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]513 }
514
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]515 /* Bzy_MHz */
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]516 if (has_aperf) {
517 if (has_base_hz)
518 outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf);
519 else
520 outp += sprintf(outp, "%8.0f",
521 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float);
522 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]523
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]524 /* TSC_MHz */
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]525 outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]526
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]527 /* delta */
528 if (extra_delta_offset32)
529 outp += sprintf(outp, " %11llu", t->extra_delta32);
530
531 /* DELTA */
532 if (extra_delta_offset64)
533 outp += sprintf(outp, " %11llu", t->extra_delta64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]534 /* msr */
535 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]536 outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]537
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]538 /* MSR */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]539 if (extra_msr_offset64)
540 outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]541
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]542 if (!debug)
543 goto done;
544
545 /* SMI */
546 if (do_smi)
547 outp += sprintf(outp, "%8d", t->smi_count);
548
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]549 if (do_nhm_cstates) {
550 if (!skip_c1)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]551 outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]552 else
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]553 outp += sprintf(outp, "********");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]554 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]555
556 /* print per-core data only for 1st thread in core */
557 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
558 goto done;
559
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]560 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]561 outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]562 if (do_nhm_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]563 outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]564 if (do_snb_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]565 outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]566
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]567 if (do_dts)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]568 outp += sprintf(outp, "%8d", c->core_temp_c);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]569
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]570 /* print per-package data only for 1st core in package */
571 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
572 goto done;
573
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]574 /* PkgTmp */
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]575 if (do_ptm)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]576 outp += sprintf(outp, "%8d", p->pkg_temp_c);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]577
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]578 /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
579 if (do_skl_residency) {
580 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc);
581 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc);
582 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc);
583 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc);
584 }
585
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]586 if (do_pc2)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]587 outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]588 if (do_pc3)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]589 outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]590 if (do_pc6)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]591 outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]592 if (do_pc7)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]593 outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]594 if (do_c8_c9_c10) {
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]595 outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc);
596 outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc);
597 outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]598 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]599
600 /*
601 * If measurement interval exceeds minimum RAPL Joule Counter range,
602 * indicate that results are suspect by printing "**" in fraction place.
603 */
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]604 if (interval_float < rapl_joule_counter_range)
605 fmt8 = "%8.2f";
606 else
607 fmt8 = " %6.0f**";
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]608
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]609 if (do_rapl && !rapl_joules) {
610 if (do_rapl & RAPL_PKG)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]611 outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]612 if (do_rapl & RAPL_CORES)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]613 outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]614 if (do_rapl & RAPL_GFX)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]615 outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]616 if (do_rapl & RAPL_DRAM)
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]617 outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]618 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]619 outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]620 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]621 outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]622 } else if (do_rapl && rapl_joules) {
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]623 if (do_rapl & RAPL_PKG)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]624 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]625 p->energy_pkg * rapl_energy_units);
626 if (do_rapl & RAPL_CORES)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]627 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]628 p->energy_cores * rapl_energy_units);
629 if (do_rapl & RAPL_GFX)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]630 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]631 p->energy_gfx * rapl_energy_units);
632 if (do_rapl & RAPL_DRAM)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]633 outp += sprintf(outp, fmt8,
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]634 p->energy_dram * rapl_dram_energy_units);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]635 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]636 outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]637 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500[diff] [blame]638 outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]639
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]640 outp += sprintf(outp, fmt8, interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]641 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]642done:
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]643 outp += sprintf(outp, "\n");
644
645 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]646}
647
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]648void flush_stdout()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]649{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]650 fputs(output_buffer, stdout);
Len Brownddac0d62012-11-30 01:01:40 -0500[diff] [blame]651 fflush(stdout);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]652 outp = output_buffer;
653}
654void flush_stderr()
655{
656 fputs(output_buffer, stderr);
657 outp = output_buffer;
658}
659void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
660{
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]661 static int printed;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]662
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]663 if (!printed || !summary_only)
664 print_header();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]665
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]666 if (topo.num_cpus > 1)
667 format_counters(&average.threads, &average.cores,
668 &average.packages);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]669
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]670 printed = 1;
671
672 if (summary_only)
673 return;
674
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]675 for_all_cpus(format_counters, t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]676}
677
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]678#define DELTA_WRAP32(new, old) \
679 if (new > old) { \
680 old = new - old; \
681 } else { \
682 old = 0x100000000 + new - old; \
683 }
684
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]685void
686delta_package(struct pkg_data *new, struct pkg_data *old)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]687{
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]688
689 if (do_skl_residency) {
690 old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
691 old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
692 old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
693 old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
694 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]695 old->pc2 = new->pc2 - old->pc2;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]696 if (do_pc3)
697 old->pc3 = new->pc3 - old->pc3;
698 if (do_pc6)
699 old->pc6 = new->pc6 - old->pc6;
700 if (do_pc7)
701 old->pc7 = new->pc7 - old->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]702 old->pc8 = new->pc8 - old->pc8;
703 old->pc9 = new->pc9 - old->pc9;
704 old->pc10 = new->pc10 - old->pc10;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]705 old->pkg_temp_c = new->pkg_temp_c;
706
707 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
708 DELTA_WRAP32(new->energy_cores, old->energy_cores);
709 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
710 DELTA_WRAP32(new->energy_dram, old->energy_dram);
711 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
712 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]713}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]714
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]715void
716delta_core(struct core_data *new, struct core_data *old)
717{
718 old->c3 = new->c3 - old->c3;
719 old->c6 = new->c6 - old->c6;
720 old->c7 = new->c7 - old->c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]721 old->core_temp_c = new->core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]722}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]723
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]724/*
725 * old = new - old
726 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]727void
728delta_thread(struct thread_data *new, struct thread_data *old,
729 struct core_data *core_delta)
730{
731 old->tsc = new->tsc - old->tsc;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]732
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]733 /* check for TSC < 1 Mcycles over interval */
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]734 if (old->tsc < (1000 * 1000))
735 errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
736 "You can disable all c-states by booting with \"idle=poll\"\n"
737 "or just the deep ones with \"processor.max_cstate=1\"");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]738
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]739 old->c1 = new->c1 - old->c1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]740
Len Browna7296172015-01-23 01:33:58 -0500[diff] [blame]741 if (has_aperf) {
742 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
743 old->aperf = new->aperf - old->aperf;
744 old->mperf = new->mperf - old->mperf;
745 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]746
Len Browna7296172015-01-23 01:33:58 -0500[diff] [blame]747 if (!aperf_mperf_unstable) {
748 fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
749 fprintf(stderr, "* Frequency results do not cover entire interval *\n");
750 fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]751
Len Browna7296172015-01-23 01:33:58 -0500[diff] [blame]752 aperf_mperf_unstable = 1;
753 }
754 /*
755 * mperf delta is likely a huge "positive" number
756 * can not use it for calculating c0 time
757 */
758 skip_c0 = 1;
759 skip_c1 = 1;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]760 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]761 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]762
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]763
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]764 if (use_c1_residency_msr) {
765 /*
766 * Some models have a dedicated C1 residency MSR,
767 * which should be more accurate than the derivation below.
768 */
769 } else {
770 /*
771 * As counter collection is not atomic,
772 * it is possible for mperf's non-halted cycles + idle states
773 * to exceed TSC's all cycles: show c1 = 0% in that case.
774 */
775 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
776 old->c1 = 0;
777 else {
778 /* normal case, derive c1 */
779 old->c1 = old->tsc - old->mperf - core_delta->c3
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]780 - core_delta->c6 - core_delta->c7;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]781 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]782 }
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]783
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]784 if (old->mperf == 0) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]785 if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]786 old->mperf = 1; /* divide by 0 protection */
787 }
788
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]789 old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
790 old->extra_delta32 &= 0xFFFFFFFF;
791
792 old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
793
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]794 /*
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]795 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]796 */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]797 old->extra_msr32 = new->extra_msr32;
798 old->extra_msr64 = new->extra_msr64;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]799
800 if (do_smi)
801 old->smi_count = new->smi_count - old->smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]802}
803
804int delta_cpu(struct thread_data *t, struct core_data *c,
805 struct pkg_data *p, struct thread_data *t2,
806 struct core_data *c2, struct pkg_data *p2)
807{
808 /* calculate core delta only for 1st thread in core */
809 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
810 delta_core(c, c2);
811
812 /* always calculate thread delta */
813 delta_thread(t, t2, c2); /* c2 is core delta */
814
815 /* calculate package delta only for 1st core in package */
816 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
817 delta_package(p, p2);
818
819 return 0;
820}
821
822void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
823{
824 t->tsc = 0;
825 t->aperf = 0;
826 t->mperf = 0;
827 t->c1 = 0;
828
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]829 t->smi_count = 0;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]830 t->extra_delta32 = 0;
831 t->extra_delta64 = 0;
832
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]833 /* tells format_counters to dump all fields from this set */
834 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
835
836 c->c3 = 0;
837 c->c6 = 0;
838 c->c7 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]839 c->core_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]840
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]841 p->pkg_wtd_core_c0 = 0;
842 p->pkg_any_core_c0 = 0;
843 p->pkg_any_gfxe_c0 = 0;
844 p->pkg_both_core_gfxe_c0 = 0;
845
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]846 p->pc2 = 0;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]847 if (do_pc3)
848 p->pc3 = 0;
849 if (do_pc6)
850 p->pc6 = 0;
851 if (do_pc7)
852 p->pc7 = 0;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]853 p->pc8 = 0;
854 p->pc9 = 0;
855 p->pc10 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]856
857 p->energy_pkg = 0;
858 p->energy_dram = 0;
859 p->energy_cores = 0;
860 p->energy_gfx = 0;
861 p->rapl_pkg_perf_status = 0;
862 p->rapl_dram_perf_status = 0;
863 p->pkg_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]864}
865int sum_counters(struct thread_data *t, struct core_data *c,
866 struct pkg_data *p)
867{
868 average.threads.tsc += t->tsc;
869 average.threads.aperf += t->aperf;
870 average.threads.mperf += t->mperf;
871 average.threads.c1 += t->c1;
872
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]873 average.threads.extra_delta32 += t->extra_delta32;
874 average.threads.extra_delta64 += t->extra_delta64;
875
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]876 /* sum per-core values only for 1st thread in core */
877 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
878 return 0;
879
880 average.cores.c3 += c->c3;
881 average.cores.c6 += c->c6;
882 average.cores.c7 += c->c7;
883
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]884 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
885
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]886 /* sum per-pkg values only for 1st core in pkg */
887 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
888 return 0;
889
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]890 if (do_skl_residency) {
891 average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
892 average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
893 average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
894 average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
895 }
896
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]897 average.packages.pc2 += p->pc2;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]898 if (do_pc3)
899 average.packages.pc3 += p->pc3;
900 if (do_pc6)
901 average.packages.pc6 += p->pc6;
902 if (do_pc7)
903 average.packages.pc7 += p->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]904 average.packages.pc8 += p->pc8;
905 average.packages.pc9 += p->pc9;
906 average.packages.pc10 += p->pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]907
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]908 average.packages.energy_pkg += p->energy_pkg;
909 average.packages.energy_dram += p->energy_dram;
910 average.packages.energy_cores += p->energy_cores;
911 average.packages.energy_gfx += p->energy_gfx;
912
913 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
914
915 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
916 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]917 return 0;
918}
919/*
920 * sum the counters for all cpus in the system
921 * compute the weighted average
922 */
923void compute_average(struct thread_data *t, struct core_data *c,
924 struct pkg_data *p)
925{
926 clear_counters(&average.threads, &average.cores, &average.packages);
927
928 for_all_cpus(sum_counters, t, c, p);
929
930 average.threads.tsc /= topo.num_cpus;
931 average.threads.aperf /= topo.num_cpus;
932 average.threads.mperf /= topo.num_cpus;
933 average.threads.c1 /= topo.num_cpus;
934
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]935 average.threads.extra_delta32 /= topo.num_cpus;
936 average.threads.extra_delta32 &= 0xFFFFFFFF;
937
938 average.threads.extra_delta64 /= topo.num_cpus;
939
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]940 average.cores.c3 /= topo.num_cores;
941 average.cores.c6 /= topo.num_cores;
942 average.cores.c7 /= topo.num_cores;
943
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]944 if (do_skl_residency) {
945 average.packages.pkg_wtd_core_c0 /= topo.num_packages;
946 average.packages.pkg_any_core_c0 /= topo.num_packages;
947 average.packages.pkg_any_gfxe_c0 /= topo.num_packages;
948 average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages;
949 }
950
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]951 average.packages.pc2 /= topo.num_packages;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]952 if (do_pc3)
953 average.packages.pc3 /= topo.num_packages;
954 if (do_pc6)
955 average.packages.pc6 /= topo.num_packages;
956 if (do_pc7)
957 average.packages.pc7 /= topo.num_packages;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]958
959 average.packages.pc8 /= topo.num_packages;
960 average.packages.pc9 /= topo.num_packages;
961 average.packages.pc10 /= topo.num_packages;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]962}
963
964static unsigned long long rdtsc(void)
965{
966 unsigned int low, high;
967
968 asm volatile("rdtsc" : "=a" (low), "=d" (high));
969
970 return low | ((unsigned long long)high) << 32;
971}
972
973
974/*
975 * get_counters(...)
976 * migrate to cpu
977 * acquire and record local counters for that cpu
978 */
979int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
980{
981 int cpu = t->cpu_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]982 unsigned long long msr;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]983
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]984 if (cpu_migrate(cpu)) {
985 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]986 return -1;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]987 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]988
989 t->tsc = rdtsc(); /* we are running on local CPU of interest */
990
991 if (has_aperf) {
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]992 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]993 return -3;
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]994 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]995 return -4;
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +0200[diff] [blame]996 t->aperf = t->aperf * aperf_mperf_multiplier;
997 t->mperf = t->mperf * aperf_mperf_multiplier;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]998 }
999
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]1000 if (do_smi) {
1001 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
1002 return -5;
1003 t->smi_count = msr & 0xFFFFFFFF;
1004 }
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]1005 if (extra_delta_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1006 if (get_msr(cpu, extra_delta_offset32, &msr))
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]1007 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1008 t->extra_delta32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]1009 }
1010
1011 if (extra_delta_offset64)
1012 if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
1013 return -5;
1014
1015 if (extra_msr_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1016 if (get_msr(cpu, extra_msr_offset32, &msr))
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]1017 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1018 t->extra_msr32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]1019 }
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]1020
1021 if (extra_msr_offset64)
1022 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1023 return -5;
1024
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1025 if (use_c1_residency_msr) {
1026 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
1027 return -6;
1028 }
1029
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1030 /* collect core counters only for 1st thread in core */
1031 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1032 return 0;
1033
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1034 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1035 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
1036 return -6;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1037 }
1038
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1039 if (do_nhm_cstates && !do_knl_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1040 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
1041 return -7;
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1042 } else if (do_knl_cstates) {
1043 if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
1044 return -7;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1045 }
1046
1047 if (do_snb_cstates)
1048 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
1049 return -8;
1050
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1051 if (do_dts) {
1052 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1053 return -9;
1054 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1055 }
1056
1057
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1058 /* collect package counters only for 1st core in package */
1059 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1060 return 0;
1061
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]1062 if (do_skl_residency) {
1063 if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
1064 return -10;
1065 if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
1066 return -11;
1067 if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
1068 return -12;
1069 if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
1070 return -13;
1071 }
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1072 if (do_pc3)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1073 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
1074 return -9;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1075 if (do_pc6)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1076 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
1077 return -10;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1078 if (do_pc2)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1079 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
1080 return -11;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1081 if (do_pc7)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1082 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
1083 return -12;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]1084 if (do_c8_c9_c10) {
1085 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
1086 return -13;
1087 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
1088 return -13;
1089 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
1090 return -13;
1091 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1092 if (do_rapl & RAPL_PKG) {
1093 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
1094 return -13;
1095 p->energy_pkg = msr & 0xFFFFFFFF;
1096 }
1097 if (do_rapl & RAPL_CORES) {
1098 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
1099 return -14;
1100 p->energy_cores = msr & 0xFFFFFFFF;
1101 }
1102 if (do_rapl & RAPL_DRAM) {
1103 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
1104 return -15;
1105 p->energy_dram = msr & 0xFFFFFFFF;
1106 }
1107 if (do_rapl & RAPL_GFX) {
1108 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
1109 return -16;
1110 p->energy_gfx = msr & 0xFFFFFFFF;
1111 }
1112 if (do_rapl & RAPL_PKG_PERF_STATUS) {
1113 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
1114 return -16;
1115 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
1116 }
1117 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
1118 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
1119 return -16;
1120 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
1121 }
1122 if (do_ptm) {
1123 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1124 return -17;
1125 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1126 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1127 return 0;
1128}
1129
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1130/*
1131 * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
1132 * If you change the values, note they are used both in comparisons
1133 * (>= PCL__7) and to index pkg_cstate_limit_strings[].
1134 */
1135
1136#define PCLUKN 0 /* Unknown */
1137#define PCLRSV 1 /* Reserved */
1138#define PCL__0 2 /* PC0 */
1139#define PCL__1 3 /* PC1 */
1140#define PCL__2 4 /* PC2 */
1141#define PCL__3 5 /* PC3 */
1142#define PCL__4 6 /* PC4 */
1143#define PCL__6 7 /* PC6 */
1144#define PCL_6N 8 /* PC6 No Retention */
1145#define PCL_6R 9 /* PC6 Retention */
1146#define PCL__7 10 /* PC7 */
1147#define PCL_7S 11 /* PC7 Shrink */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]1148#define PCL__8 12 /* PC8 */
1149#define PCL__9 13 /* PC9 */
1150#define PCLUNL 14 /* Unlimited */
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1151
1152int pkg_cstate_limit = PCLUKN;
1153char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]1154 "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1155
Len Browne9257f52015-04-01 21:02:57 -0400[diff] [blame]1156int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1157int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1158int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1159int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1160int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1161int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1162
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]1163
1164static void
1165calculate_tsc_tweak()
1166{
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]1167 tsc_tweak = base_hz / tsc_hz;
1168}
1169
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1170static void
1171dump_nhm_platform_info(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1172{
1173 unsigned long long msr;
1174 unsigned int ratio;
1175
Len Brownec0adc52015-11-12 02:42:31 -0500[diff] [blame]1176 get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1177
Len Brownec0adc52015-11-12 02:42:31 -0500[diff] [blame]1178 fprintf(stderr, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1179
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1180 ratio = (msr >> 40) & 0xFF;
Len Brown8f61f352015-03-23 18:36:57 -0400[diff] [blame]1181 fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1182 ratio, bclk, ratio * bclk);
1183
1184 ratio = (msr >> 8) & 0xFF;
Len Brown8f61f352015-03-23 18:36:57 -0400[diff] [blame]1185 fprintf(stderr, "%d * %.0f = %.0f MHz base frequency\n",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1186 ratio, bclk, ratio * bclk);
1187
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1188 get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1189 fprintf(stderr, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
1190 base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]1191
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1192 return;
1193}
1194
1195static void
1196dump_hsw_turbo_ratio_limits(void)
1197{
1198 unsigned long long msr;
1199 unsigned int ratio;
1200
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1201 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1202
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1203 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1204
1205 ratio = (msr >> 8) & 0xFF;
1206 if (ratio)
1207 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n",
1208 ratio, bclk, ratio * bclk);
1209
1210 ratio = (msr >> 0) & 0xFF;
1211 if (ratio)
1212 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n",
1213 ratio, bclk, ratio * bclk);
1214 return;
1215}
1216
1217static void
1218dump_ivt_turbo_ratio_limits(void)
1219{
1220 unsigned long long msr;
1221 unsigned int ratio;
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1222
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1223 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1224
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1225 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1226
1227 ratio = (msr >> 56) & 0xFF;
1228 if (ratio)
1229 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
1230 ratio, bclk, ratio * bclk);
1231
1232 ratio = (msr >> 48) & 0xFF;
1233 if (ratio)
1234 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
1235 ratio, bclk, ratio * bclk);
1236
1237 ratio = (msr >> 40) & 0xFF;
1238 if (ratio)
1239 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
1240 ratio, bclk, ratio * bclk);
1241
1242 ratio = (msr >> 32) & 0xFF;
1243 if (ratio)
1244 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
1245 ratio, bclk, ratio * bclk);
1246
1247 ratio = (msr >> 24) & 0xFF;
1248 if (ratio)
1249 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
1250 ratio, bclk, ratio * bclk);
1251
1252 ratio = (msr >> 16) & 0xFF;
1253 if (ratio)
1254 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
1255 ratio, bclk, ratio * bclk);
1256
1257 ratio = (msr >> 8) & 0xFF;
1258 if (ratio)
1259 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
1260 ratio, bclk, ratio * bclk);
1261
1262 ratio = (msr >> 0) & 0xFF;
1263 if (ratio)
1264 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
1265 ratio, bclk, ratio * bclk);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1266 return;
1267}
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1268
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1269static void
1270dump_nhm_turbo_ratio_limits(void)
1271{
1272 unsigned long long msr;
1273 unsigned int ratio;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1274
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1275 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1276
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1277 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1278
1279 ratio = (msr >> 56) & 0xFF;
1280 if (ratio)
1281 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1282 ratio, bclk, ratio * bclk);
1283
1284 ratio = (msr >> 48) & 0xFF;
1285 if (ratio)
1286 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1287 ratio, bclk, ratio * bclk);
1288
1289 ratio = (msr >> 40) & 0xFF;
1290 if (ratio)
1291 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1292 ratio, bclk, ratio * bclk);
1293
1294 ratio = (msr >> 32) & 0xFF;
1295 if (ratio)
1296 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1297 ratio, bclk, ratio * bclk);
1298
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1299 ratio = (msr >> 24) & 0xFF;
1300 if (ratio)
1301 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1302 ratio, bclk, ratio * bclk);
1303
1304 ratio = (msr >> 16) & 0xFF;
1305 if (ratio)
1306 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1307 ratio, bclk, ratio * bclk);
1308
1309 ratio = (msr >> 8) & 0xFF;
1310 if (ratio)
1311 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1312 ratio, bclk, ratio * bclk);
1313
1314 ratio = (msr >> 0) & 0xFF;
1315 if (ratio)
1316 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1317 ratio, bclk, ratio * bclk);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1318 return;
1319}
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]1320
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1321static void
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1322dump_knl_turbo_ratio_limits(void)
1323{
1324 int cores;
1325 unsigned int ratio;
1326 unsigned long long msr;
1327 int delta_cores;
1328 int delta_ratio;
1329 int i;
1330
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1331 get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1332
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1333 fprintf(stderr, "cpu%d: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n",
1334 base_cpu, msr);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1335
1336 /**
1337 * Turbo encoding in KNL is as follows:
1338 * [7:0] -- Base value of number of active cores of bucket 1.
1339 * [15:8] -- Base value of freq ratio of bucket 1.
1340 * [20:16] -- +ve delta of number of active cores of bucket 2.
1341 * i.e. active cores of bucket 2 =
1342 * active cores of bucket 1 + delta
1343 * [23:21] -- Negative delta of freq ratio of bucket 2.
1344 * i.e. freq ratio of bucket 2 =
1345 * freq ratio of bucket 1 - delta
1346 * [28:24]-- +ve delta of number of active cores of bucket 3.
1347 * [31:29]-- -ve delta of freq ratio of bucket 3.
1348 * [36:32]-- +ve delta of number of active cores of bucket 4.
1349 * [39:37]-- -ve delta of freq ratio of bucket 4.
1350 * [44:40]-- +ve delta of number of active cores of bucket 5.
1351 * [47:45]-- -ve delta of freq ratio of bucket 5.
1352 * [52:48]-- +ve delta of number of active cores of bucket 6.
1353 * [55:53]-- -ve delta of freq ratio of bucket 6.
1354 * [60:56]-- +ve delta of number of active cores of bucket 7.
1355 * [63:61]-- -ve delta of freq ratio of bucket 7.
1356 */
1357 cores = msr & 0xFF;
1358 ratio = (msr >> 8) && 0xFF;
1359 if (ratio > 0)
1360 fprintf(stderr,
1361 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1362 ratio, bclk, ratio * bclk, cores);
1363
1364 for (i = 16; i < 64; i = i + 8) {
1365 delta_cores = (msr >> i) & 0x1F;
1366 delta_ratio = (msr >> (i + 5)) && 0x7;
1367 if (!delta_cores || !delta_ratio)
1368 return;
1369 cores = cores + delta_cores;
1370 ratio = ratio - delta_ratio;
1371
1372 /** -ve ratios will make successive ratio calculations
1373 * negative. Hence return instead of carrying on.
1374 */
1375 if (ratio > 0)
1376 fprintf(stderr,
1377 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1378 ratio, bclk, ratio * bclk, cores);
1379 }
1380}
1381
1382static void
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1383dump_nhm_cst_cfg(void)
1384{
1385 unsigned long long msr;
1386
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1387 get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1388
1389#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
1390#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
1391
Len Brownbfae2052015-06-17 12:27:21 -0400[diff] [blame]1392 fprintf(stderr, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr);
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1393
1394 fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
1395 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
1396 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
1397 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
1398 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
1399 (msr & (1 << 15)) ? "" : "UN",
1400 (unsigned int)msr & 7,
1401 pkg_cstate_limit_strings[pkg_cstate_limit]);
1402 return;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1403}
1404
Len Brown6fb31432015-06-17 16:23:45 -0400[diff] [blame]1405static void
1406dump_config_tdp(void)
1407{
1408 unsigned long long msr;
1409
1410 get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
1411 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
1412 fprintf(stderr, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF);
1413
1414 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
1415 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
1416 if (msr) {
1417 fprintf(stderr, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
1418 fprintf(stderr, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
1419 fprintf(stderr, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
1420 fprintf(stderr, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF);
1421 }
1422 fprintf(stderr, ")\n");
1423
1424 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
1425 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
1426 if (msr) {
1427 fprintf(stderr, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
1428 fprintf(stderr, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
1429 fprintf(stderr, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
1430 fprintf(stderr, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF);
1431 }
1432 fprintf(stderr, ")\n");
1433
1434 get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
1435 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
1436 if ((msr) & 0x3)
1437 fprintf(stderr, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
1438 fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
1439 fprintf(stderr, ")\n");
1440
1441 get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
1442 fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
Len Brown759d2a92015-10-22 02:42:12 -0400[diff] [blame]1443 fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0x7F);
Len Brown6fb31432015-06-17 16:23:45 -0400[diff] [blame]1444 fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
1445 fprintf(stderr, ")\n");
1446}
1447
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1448void free_all_buffers(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1449{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1450 CPU_FREE(cpu_present_set);
1451 cpu_present_set = NULL;
1452 cpu_present_set = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1453
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1454 CPU_FREE(cpu_affinity_set);
1455 cpu_affinity_set = NULL;
1456 cpu_affinity_setsize = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1457
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1458 free(thread_even);
1459 free(core_even);
1460 free(package_even);
1461
1462 thread_even = NULL;
1463 core_even = NULL;
1464 package_even = NULL;
1465
1466 free(thread_odd);
1467 free(core_odd);
1468 free(package_odd);
1469
1470 thread_odd = NULL;
1471 core_odd = NULL;
1472 package_odd = NULL;
1473
1474 free(output_buffer);
1475 output_buffer = NULL;
1476 outp = NULL;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1477}
1478
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1479/*
Josh Triplett57a42a32013-08-20 17:20:17 -0700[diff] [blame]1480 * Open a file, and exit on failure
1481 */
1482FILE *fopen_or_die(const char *path, const char *mode)
1483{
1484 FILE *filep = fopen(path, "r");
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]1485 if (!filep)
1486 err(1, "%s: open failed", path);
Josh Triplett57a42a32013-08-20 17:20:17 -0700[diff] [blame]1487 return filep;
1488}
1489
1490/*
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]1491 * Parse a file containing a single int.
1492 */
1493int parse_int_file(const char *fmt, ...)
1494{
1495 va_list args;
1496 char path[PATH_MAX];
1497 FILE *filep;
1498 int value;
1499
1500 va_start(args, fmt);
1501 vsnprintf(path, sizeof(path), fmt, args);
1502 va_end(args);
Josh Triplett57a42a32013-08-20 17:20:17 -0700[diff] [blame]1503 filep = fopen_or_die(path, "r");
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]1504 if (fscanf(filep, "%d", &value) != 1)
1505 err(1, "%s: failed to parse number from file", path);
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]1506 fclose(filep);
1507 return value;
1508}
1509
1510/*
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1511 * get_cpu_position_in_core(cpu)
1512 * return the position of the CPU among its HT siblings in the core
1513 * return -1 if the sibling is not in list
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1514 */
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1515int get_cpu_position_in_core(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1516{
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1517 char path[64];
1518 FILE *filep;
1519 int this_cpu;
1520 char character;
1521 int i;
1522
1523 sprintf(path,
1524 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list",
1525 cpu);
1526 filep = fopen(path, "r");
1527 if (filep == NULL) {
1528 perror(path);
1529 exit(1);
1530 }
1531
1532 for (i = 0; i < topo.num_threads_per_core; i++) {
1533 fscanf(filep, "%d", &this_cpu);
1534 if (this_cpu == cpu) {
1535 fclose(filep);
1536 return i;
1537 }
1538
1539 /* Account for no separator after last thread*/
1540 if (i != (topo.num_threads_per_core - 1))
1541 fscanf(filep, "%c", &character);
1542 }
1543
1544 fclose(filep);
1545 return -1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1546}
1547
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1548/*
1549 * cpu_is_first_core_in_package(cpu)
1550 * return 1 if given CPU is 1st core in package
1551 */
1552int cpu_is_first_core_in_package(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1553{
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]1554 return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1555}
1556
1557int get_physical_package_id(int cpu)
1558{
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]1559 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1560}
1561
1562int get_core_id(int cpu)
1563{
Josh Triplett95aebc42013-08-20 17:20:16 -0700[diff] [blame]1564 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1565}
1566
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1567int get_num_ht_siblings(int cpu)
1568{
1569 char path[80];
1570 FILE *filep;
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1571 int sib1;
1572 int matches = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1573 char character;
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1574 char str[100];
1575 char *ch;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1576
1577 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
Josh Triplett57a42a32013-08-20 17:20:17 -0700[diff] [blame]1578 filep = fopen_or_die(path, "r");
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1579
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1580 /*
1581 * file format:
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1582 * A ',' separated or '-' separated set of numbers
1583 * (eg 1-2 or 1,3,4,5)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1584 */
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1585 fscanf(filep, "%d%c\n", &sib1, &character);
1586 fseek(filep, 0, SEEK_SET);
1587 fgets(str, 100, filep);
1588 ch = strchr(str, character);
1589 while (ch != NULL) {
1590 matches++;
1591 ch = strchr(ch+1, character);
1592 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1593
1594 fclose(filep);
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]1595 return matches+1;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1596}
1597
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1598/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1599 * run func(thread, core, package) in topology order
1600 * skip non-present cpus
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1601 */
1602
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1603int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
1604 struct pkg_data *, struct thread_data *, struct core_data *,
1605 struct pkg_data *), struct thread_data *thread_base,
1606 struct core_data *core_base, struct pkg_data *pkg_base,
1607 struct thread_data *thread_base2, struct core_data *core_base2,
1608 struct pkg_data *pkg_base2)
1609{
1610 int retval, pkg_no, core_no, thread_no;
1611
1612 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1613 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
1614 for (thread_no = 0; thread_no <
1615 topo.num_threads_per_core; ++thread_no) {
1616 struct thread_data *t, *t2;
1617 struct core_data *c, *c2;
1618 struct pkg_data *p, *p2;
1619
1620 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
1621
1622 if (cpu_is_not_present(t->cpu_id))
1623 continue;
1624
1625 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
1626
1627 c = GET_CORE(core_base, core_no, pkg_no);
1628 c2 = GET_CORE(core_base2, core_no, pkg_no);
1629
1630 p = GET_PKG(pkg_base, pkg_no);
1631 p2 = GET_PKG(pkg_base2, pkg_no);
1632
1633 retval = func(t, c, p, t2, c2, p2);
1634 if (retval)
1635 return retval;
1636 }
1637 }
1638 }
1639 return 0;
1640}
1641
1642/*
1643 * run func(cpu) on every cpu in /proc/stat
1644 * return max_cpu number
1645 */
1646int for_all_proc_cpus(int (func)(int))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1647{
1648 FILE *fp;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1649 int cpu_num;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1650 int retval;
1651
Josh Triplett57a42a32013-08-20 17:20:17 -0700[diff] [blame]1652 fp = fopen_or_die(proc_stat, "r");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1653
1654 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]1655 if (retval != 0)
1656 err(1, "%s: failed to parse format", proc_stat);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1657
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1658 while (1) {
1659 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1660 if (retval != 1)
1661 break;
1662
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1663 retval = func(cpu_num);
1664 if (retval) {
1665 fclose(fp);
1666 return(retval);
1667 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1668 }
1669 fclose(fp);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1670 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1671}
1672
1673void re_initialize(void)
1674{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1675 free_all_buffers();
1676 setup_all_buffers();
1677 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1678}
1679
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1680
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1681/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1682 * count_cpus()
1683 * remember the last one seen, it will be the max
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1684 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1685int count_cpus(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1686{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1687 if (topo.max_cpu_num < cpu)
1688 topo.max_cpu_num = cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1689
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1690 topo.num_cpus += 1;
1691 return 0;
1692}
1693int mark_cpu_present(int cpu)
1694{
1695 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1696 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1697}
1698
1699void turbostat_loop()
1700{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1701 int retval;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1702 int restarted = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1703
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1704restart:
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1705 restarted++;
1706
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1707 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1708 if (retval < -1) {
1709 exit(retval);
1710 } else if (retval == -1) {
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1711 if (restarted > 1) {
1712 exit(retval);
1713 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1714 re_initialize();
1715 goto restart;
1716 }
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1717 restarted = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1718 gettimeofday(&tv_even, (struct timezone *)NULL);
1719
1720 while (1) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1721 if (for_all_proc_cpus(cpu_is_not_present)) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1722 re_initialize();
1723 goto restart;
1724 }
1725 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1726 retval = for_all_cpus(get_counters, ODD_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1727 if (retval < -1) {
1728 exit(retval);
1729 } else if (retval == -1) {
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1730 re_initialize();
1731 goto restart;
1732 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1733 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1734 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1735 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
1736 compute_average(EVEN_COUNTERS);
1737 format_all_counters(EVEN_COUNTERS);
1738 flush_stdout();
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1739 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1740 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1741 if (retval < -1) {
1742 exit(retval);
1743 } else if (retval == -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1744 re_initialize();
1745 goto restart;
1746 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1747 gettimeofday(&tv_even, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1748 timersub(&tv_even, &tv_odd, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1749 for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
1750 compute_average(ODD_COUNTERS);
1751 format_all_counters(ODD_COUNTERS);
1752 flush_stdout();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1753 }
1754}
1755
1756void check_dev_msr()
1757{
1758 struct stat sb;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1759 char pathname[32];
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1760
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1761 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
1762 if (stat(pathname, &sb))
Len Browna21d38c2015-03-24 16:37:35 -0400[diff] [blame]1763 if (system("/sbin/modprobe msr > /dev/null 2>&1"))
1764 err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1765}
1766
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]1767void check_permissions()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1768{
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]1769 struct __user_cap_header_struct cap_header_data;
1770 cap_user_header_t cap_header = &cap_header_data;
1771 struct __user_cap_data_struct cap_data_data;
1772 cap_user_data_t cap_data = &cap_data_data;
1773 extern int capget(cap_user_header_t hdrp, cap_user_data_t datap);
1774 int do_exit = 0;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1775 char pathname[32];
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]1776
1777 /* check for CAP_SYS_RAWIO */
1778 cap_header->pid = getpid();
1779 cap_header->version = _LINUX_CAPABILITY_VERSION;
1780 if (capget(cap_header, cap_data) < 0)
1781 err(-6, "capget(2) failed");
1782
1783 if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) {
1784 do_exit++;
1785 warnx("capget(CAP_SYS_RAWIO) failed,"
1786 " try \"# setcap cap_sys_rawio=ep %s\"", progname);
1787 }
1788
1789 /* test file permissions */
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1790 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
1791 if (euidaccess(pathname, R_OK)) {
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]1792 do_exit++;
1793 warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
1794 }
1795
1796 /* if all else fails, thell them to be root */
1797 if (do_exit)
1798 if (getuid() != 0)
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1799 warnx("... or simply run as root");
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]1800
1801 if (do_exit)
1802 exit(-6);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1803}
1804
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1805/*
1806 * NHM adds support for additional MSRs:
1807 *
1808 * MSR_SMI_COUNT 0x00000034
1809 *
Len Brownec0adc52015-11-12 02:42:31 -0500[diff] [blame]1810 * MSR_PLATFORM_INFO 0x000000ce
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1811 * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2
1812 *
1813 * MSR_PKG_C3_RESIDENCY 0x000003f8
1814 * MSR_PKG_C6_RESIDENCY 0x000003f9
1815 * MSR_CORE_C3_RESIDENCY 0x000003fc
1816 * MSR_CORE_C6_RESIDENCY 0x000003fd
1817 *
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1818 * Side effect:
1819 * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1820 */
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1821int probe_nhm_msrs(unsigned int family, unsigned int model)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1822{
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1823 unsigned long long msr;
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]1824 unsigned int base_ratio;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1825 int *pkg_cstate_limits;
1826
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1827 if (!genuine_intel)
1828 return 0;
1829
1830 if (family != 6)
1831 return 0;
1832
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]1833 bclk = discover_bclk(family, model);
1834
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1835 switch (model) {
1836 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1837 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1838 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1839 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1840 case 0x2C: /* Westmere EP - Gulftown */
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1841 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1842 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1843 pkg_cstate_limits = nhm_pkg_cstate_limits;
1844 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1845 case 0x2A: /* SNB */
1846 case 0x2D: /* SNB Xeon */
Len Brown553575f2011-11-18 03:32:01 -0500[diff] [blame]1847 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]1848 case 0x3E: /* IVB Xeon */
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1849 pkg_cstate_limits = snb_pkg_cstate_limits;
1850 break;
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1851 case 0x3C: /* HSW */
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]1852 case 0x3F: /* HSX */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1853 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1854 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]1855 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -0500[diff] [blame]1856 case 0x47: /* BDW */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]1857 case 0x4F: /* BDX */
1858 case 0x56: /* BDX-DE */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]1859 case 0x4E: /* SKL */
1860 case 0x5E: /* SKL */
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1861 pkg_cstate_limits = hsw_pkg_cstate_limits;
1862 break;
1863 case 0x37: /* BYT */
1864 case 0x4D: /* AVN */
1865 pkg_cstate_limits = slv_pkg_cstate_limits;
1866 break;
1867 case 0x4C: /* AMT */
1868 pkg_cstate_limits = amt_pkg_cstate_limits;
1869 break;
1870 case 0x57: /* PHI */
1871 pkg_cstate_limits = phi_pkg_cstate_limits;
1872 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1873 default:
1874 return 0;
1875 }
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]1876 get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
Len Browne9257f52015-04-01 21:02:57 -0400[diff] [blame]1877 pkg_cstate_limit = pkg_cstate_limits[msr & 0xF];
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1878
Len Brownec0adc52015-11-12 02:42:31 -0500[diff] [blame]1879 get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
Len Brown21ed5572015-10-19 22:37:40 -0400[diff] [blame]1880 base_ratio = (msr >> 8) & 0xFF;
1881
1882 base_hz = base_ratio * bclk * 1000000;
1883 has_base_hz = 1;
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]1884 return 1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1885}
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1886int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model)
1887{
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]1888 switch (model) {
1889 /* Nehalem compatible, but do not include turbo-ratio limit support */
1890 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1891 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1892 return 0;
1893 default:
1894 return 1;
1895 }
1896}
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1897int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
1898{
1899 if (!genuine_intel)
1900 return 0;
1901
1902 if (family != 6)
1903 return 0;
1904
1905 switch (model) {
1906 case 0x3E: /* IVB Xeon */
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1907 case 0x3F: /* HSW Xeon */
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1908 return 1;
1909 default:
1910 return 0;
1911 }
1912}
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1913int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model)
1914{
1915 if (!genuine_intel)
1916 return 0;
1917
1918 if (family != 6)
1919 return 0;
1920
1921 switch (model) {
1922 case 0x3F: /* HSW Xeon */
1923 return 1;
1924 default:
1925 return 0;
1926 }
1927}
1928
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1929int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
1930{
1931 if (!genuine_intel)
1932 return 0;
1933
1934 if (family != 6)
1935 return 0;
1936
1937 switch (model) {
1938 case 0x57: /* Knights Landing */
1939 return 1;
1940 default:
1941 return 0;
1942 }
1943}
Len Brown6fb31432015-06-17 16:23:45 -0400[diff] [blame]1944int has_config_tdp(unsigned int family, unsigned int model)
1945{
1946 if (!genuine_intel)
1947 return 0;
1948
1949 if (family != 6)
1950 return 0;
1951
1952 switch (model) {
1953 case 0x3A: /* IVB */
Len Brown6fb31432015-06-17 16:23:45 -0400[diff] [blame]1954 case 0x3C: /* HSW */
1955 case 0x3F: /* HSX */
1956 case 0x45: /* HSW */
1957 case 0x46: /* HSW */
1958 case 0x3D: /* BDW */
1959 case 0x47: /* BDW */
1960 case 0x4F: /* BDX */
1961 case 0x56: /* BDX-DE */
1962 case 0x4E: /* SKL */
1963 case 0x5E: /* SKL */
1964
1965 case 0x57: /* Knights Landing */
1966 return 1;
1967 default:
1968 return 0;
1969 }
1970}
1971
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1972static void
1973dump_cstate_pstate_config_info(family, model)
1974{
1975 if (!do_nhm_platform_info)
1976 return;
1977
1978 dump_nhm_platform_info();
1979
1980 if (has_hsw_turbo_ratio_limit(family, model))
1981 dump_hsw_turbo_ratio_limits();
1982
1983 if (has_ivt_turbo_ratio_limit(family, model))
1984 dump_ivt_turbo_ratio_limits();
1985
1986 if (has_nhm_turbo_ratio_limit(family, model))
1987 dump_nhm_turbo_ratio_limits();
1988
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]1989 if (has_knl_turbo_ratio_limit(family, model))
1990 dump_knl_turbo_ratio_limits();
1991
Len Brown6fb31432015-06-17 16:23:45 -0400[diff] [blame]1992 if (has_config_tdp(family, model))
1993 dump_config_tdp();
1994
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]1995 dump_nhm_cst_cfg();
1996}
1997
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1998
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1999/*
2000 * print_epb()
2001 * Decode the ENERGY_PERF_BIAS MSR
2002 */
2003int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2004{
2005 unsigned long long msr;
2006 char *epb_string;
2007 int cpu;
2008
2009 if (!has_epb)
2010 return 0;
2011
2012 cpu = t->cpu_id;
2013
2014 /* EPB is per-package */
2015 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2016 return 0;
2017
2018 if (cpu_migrate(cpu)) {
2019 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2020 return -1;
2021 }
2022
2023 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
2024 return 0;
2025
Len Browne9be7dd2015-05-26 12:19:37 -0400[diff] [blame]2026 switch (msr & 0xF) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2027 case ENERGY_PERF_BIAS_PERFORMANCE:
2028 epb_string = "performance";
2029 break;
2030 case ENERGY_PERF_BIAS_NORMAL:
2031 epb_string = "balanced";
2032 break;
2033 case ENERGY_PERF_BIAS_POWERSAVE:
2034 epb_string = "powersave";
2035 break;
2036 default:
2037 epb_string = "custom";
2038 break;
2039 }
2040 fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
2041
2042 return 0;
2043}
2044
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2045/*
2046 * print_perf_limit()
2047 */
2048int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2049{
2050 unsigned long long msr;
2051 int cpu;
2052
2053 cpu = t->cpu_id;
2054
2055 /* per-package */
2056 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2057 return 0;
2058
2059 if (cpu_migrate(cpu)) {
2060 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2061 return -1;
2062 }
2063
2064 if (do_core_perf_limit_reasons) {
2065 get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr);
2066 fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2067 fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
Len Browne33cbe82015-03-13 16:30:57 -0400[diff] [blame]2068 (msr & 1 << 15) ? "bit15, " : "",
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2069 (msr & 1 << 14) ? "bit14, " : "",
Len Browne33cbe82015-03-13 16:30:57 -0400[diff] [blame]2070 (msr & 1 << 13) ? "Transitions, " : "",
2071 (msr & 1 << 12) ? "MultiCoreTurbo, " : "",
2072 (msr & 1 << 11) ? "PkgPwrL2, " : "",
2073 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2074 (msr & 1 << 9) ? "CorePwr, " : "",
2075 (msr & 1 << 8) ? "Amps, " : "",
2076 (msr & 1 << 6) ? "VR-Therm, " : "",
2077 (msr & 1 << 5) ? "Auto-HWP, " : "",
2078 (msr & 1 << 4) ? "Graphics, " : "",
2079 (msr & 1 << 2) ? "bit2, " : "",
2080 (msr & 1 << 1) ? "ThermStatus, " : "",
2081 (msr & 1 << 0) ? "PROCHOT, " : "");
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2082 fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
Len Browne33cbe82015-03-13 16:30:57 -0400[diff] [blame]2083 (msr & 1 << 31) ? "bit31, " : "",
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2084 (msr & 1 << 30) ? "bit30, " : "",
Len Browne33cbe82015-03-13 16:30:57 -0400[diff] [blame]2085 (msr & 1 << 29) ? "Transitions, " : "",
2086 (msr & 1 << 28) ? "MultiCoreTurbo, " : "",
2087 (msr & 1 << 27) ? "PkgPwrL2, " : "",
2088 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2089 (msr & 1 << 25) ? "CorePwr, " : "",
2090 (msr & 1 << 24) ? "Amps, " : "",
2091 (msr & 1 << 22) ? "VR-Therm, " : "",
2092 (msr & 1 << 21) ? "Auto-HWP, " : "",
2093 (msr & 1 << 20) ? "Graphics, " : "",
2094 (msr & 1 << 18) ? "bit18, " : "",
2095 (msr & 1 << 17) ? "ThermStatus, " : "",
2096 (msr & 1 << 16) ? "PROCHOT, " : "");
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2097
2098 }
2099 if (do_gfx_perf_limit_reasons) {
2100 get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr);
2101 fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2102 fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)",
2103 (msr & 1 << 0) ? "PROCHOT, " : "",
2104 (msr & 1 << 1) ? "ThermStatus, " : "",
2105 (msr & 1 << 4) ? "Graphics, " : "",
2106 (msr & 1 << 6) ? "VR-Therm, " : "",
2107 (msr & 1 << 8) ? "Amps, " : "",
2108 (msr & 1 << 9) ? "GFXPwr, " : "",
2109 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2110 (msr & 1 << 11) ? "PkgPwrL2, " : "");
2111 fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n",
2112 (msr & 1 << 16) ? "PROCHOT, " : "",
2113 (msr & 1 << 17) ? "ThermStatus, " : "",
2114 (msr & 1 << 20) ? "Graphics, " : "",
2115 (msr & 1 << 22) ? "VR-Therm, " : "",
2116 (msr & 1 << 24) ? "Amps, " : "",
2117 (msr & 1 << 25) ? "GFXPwr, " : "",
2118 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2119 (msr & 1 << 27) ? "PkgPwrL2, " : "");
2120 }
2121 if (do_ring_perf_limit_reasons) {
2122 get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr);
2123 fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2124 fprintf(stderr, " (Active: %s%s%s%s%s%s)",
2125 (msr & 1 << 0) ? "PROCHOT, " : "",
2126 (msr & 1 << 1) ? "ThermStatus, " : "",
2127 (msr & 1 << 6) ? "VR-Therm, " : "",
2128 (msr & 1 << 8) ? "Amps, " : "",
2129 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2130 (msr & 1 << 11) ? "PkgPwrL2, " : "");
2131 fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n",
2132 (msr & 1 << 16) ? "PROCHOT, " : "",
2133 (msr & 1 << 17) ? "ThermStatus, " : "",
2134 (msr & 1 << 22) ? "VR-Therm, " : "",
2135 (msr & 1 << 24) ? "Amps, " : "",
2136 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2137 (msr & 1 << 27) ? "PkgPwrL2, " : "");
2138 }
2139 return 0;
2140}
2141
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2142#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
2143#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
2144
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2145double get_tdp(model)
2146{
2147 unsigned long long msr;
2148
2149 if (do_rapl & RAPL_PKG_POWER_INFO)
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]2150 if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr))
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2151 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
2152
2153 switch (model) {
2154 case 0x37:
2155 case 0x4D:
2156 return 30.0;
2157 default:
2158 return 135.0;
2159 }
2160}
2161
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]2162/*
2163 * rapl_dram_energy_units_probe()
2164 * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
2165 */
2166static double
2167rapl_dram_energy_units_probe(int model, double rapl_energy_units)
2168{
2169 /* only called for genuine_intel, family 6 */
2170
2171 switch (model) {
2172 case 0x3F: /* HSX */
2173 case 0x4F: /* BDX */
2174 case 0x56: /* BDX-DE */
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]2175 case 0x57: /* KNL */
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]2176 return (rapl_dram_energy_units = 15.3 / 1000000);
2177 default:
2178 return (rapl_energy_units);
2179 }
2180}
2181
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2182
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2183/*
2184 * rapl_probe()
2185 *
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2186 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2187 */
2188void rapl_probe(unsigned int family, unsigned int model)
2189{
2190 unsigned long long msr;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2191 unsigned int time_unit;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2192 double tdp;
2193
2194 if (!genuine_intel)
2195 return;
2196
2197 if (family != 6)
2198 return;
2199
2200 switch (model) {
2201 case 0x2A:
2202 case 0x3A:
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]2203 case 0x3C: /* HSW */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]2204 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]2205 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]2206 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -0500[diff] [blame]2207 case 0x47: /* BDW */
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2208 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2209 break;
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2210 case 0x4E: /* SKL */
2211 case 0x5E: /* SKL */
2212 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
2213 break;
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]2214 case 0x3F: /* HSX */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]2215 case 0x4F: /* BDX */
2216 case 0x56: /* BDX-DE */
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]2217 case 0x57: /* KNL */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2218 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
Len Browne6f9bb32013-12-03 02:19:19 -0500[diff] [blame]2219 break;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2220 case 0x2D:
2221 case 0x3E:
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2222 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2223 break;
2224 case 0x37: /* BYT */
2225 case 0x4D: /* AVN */
2226 do_rapl = RAPL_PKG | RAPL_CORES ;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2227 break;
2228 default:
2229 return;
2230 }
2231
2232 /* units on package 0, verify later other packages match */
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]2233 if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2234 return;
2235
2236 rapl_power_units = 1.0 / (1 << (msr & 0xF));
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2237 if (model == 0x37)
2238 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
2239 else
2240 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2241
Andrey Semin40ee8e32014-12-05 00:07:00 -0500[diff] [blame]2242 rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units);
2243
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2244 time_unit = msr >> 16 & 0xF;
2245 if (time_unit == 0)
2246 time_unit = 0xA;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2247
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2248 rapl_time_units = 1.0 / (1 << (time_unit));
2249
2250 tdp = get_tdp(model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2251
2252 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2253 if (debug)
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2254 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2255
2256 return;
2257}
2258
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2259void perf_limit_reasons_probe(family, model)
2260{
2261 if (!genuine_intel)
2262 return;
2263
2264 if (family != 6)
2265 return;
2266
2267 switch (model) {
2268 case 0x3C: /* HSW */
2269 case 0x45: /* HSW */
2270 case 0x46: /* HSW */
2271 do_gfx_perf_limit_reasons = 1;
2272 case 0x3F: /* HSX */
2273 do_core_perf_limit_reasons = 1;
2274 do_ring_perf_limit_reasons = 1;
2275 default:
2276 return;
2277 }
2278}
2279
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2280int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2281{
2282 unsigned long long msr;
2283 unsigned int dts;
2284 int cpu;
2285
2286 if (!(do_dts || do_ptm))
2287 return 0;
2288
2289 cpu = t->cpu_id;
2290
2291 /* DTS is per-core, no need to print for each thread */
2292 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
2293 return 0;
2294
2295 if (cpu_migrate(cpu)) {
2296 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2297 return -1;
2298 }
2299
2300 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
2301 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
2302 return 0;
2303
2304 dts = (msr >> 16) & 0x7F;
2305 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
2306 cpu, msr, tcc_activation_temp - dts);
2307
2308#ifdef THERM_DEBUG
2309 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
2310 return 0;
2311
2312 dts = (msr >> 16) & 0x7F;
2313 dts2 = (msr >> 8) & 0x7F;
2314 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2315 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
2316#endif
2317 }
2318
2319
2320 if (do_dts) {
2321 unsigned int resolution;
2322
2323 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
2324 return 0;
2325
2326 dts = (msr >> 16) & 0x7F;
2327 resolution = (msr >> 27) & 0xF;
2328 fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
2329 cpu, msr, tcc_activation_temp - dts, resolution);
2330
2331#ifdef THERM_DEBUG
2332 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
2333 return 0;
2334
2335 dts = (msr >> 16) & 0x7F;
2336 dts2 = (msr >> 8) & 0x7F;
2337 fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2338 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
2339#endif
2340 }
2341
2342 return 0;
2343}
2344
2345void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
2346{
2347 fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
2348 cpu, label,
2349 ((msr >> 15) & 1) ? "EN" : "DIS",
2350 ((msr >> 0) & 0x7FFF) * rapl_power_units,
2351 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
2352 (((msr >> 16) & 1) ? "EN" : "DIS"));
2353
2354 return;
2355}
2356
2357int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2358{
2359 unsigned long long msr;
2360 int cpu;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2361
2362 if (!do_rapl)
2363 return 0;
2364
2365 /* RAPL counters are per package, so print only for 1st thread/package */
2366 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2367 return 0;
2368
2369 cpu = t->cpu_id;
2370 if (cpu_migrate(cpu)) {
2371 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2372 return -1;
2373 }
2374
2375 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
2376 return -1;
2377
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2378 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2379 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
2380 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2381 rapl_power_units, rapl_energy_units, rapl_time_units);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2382 }
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2383 if (do_rapl & RAPL_PKG_POWER_INFO) {
2384
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2385 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
2386 return -5;
2387
2388
2389 fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2390 cpu, msr,
2391 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2392 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2393 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2394 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
2395
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2396 }
2397 if (do_rapl & RAPL_PKG) {
2398
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2399 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
2400 return -9;
2401
2402 fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
2403 cpu, msr, (msr >> 63) & 1 ? "": "UN");
2404
2405 print_power_limit_msr(cpu, msr, "PKG Limit #1");
2406 fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
2407 cpu,
2408 ((msr >> 47) & 1) ? "EN" : "DIS",
2409 ((msr >> 32) & 0x7FFF) * rapl_power_units,
2410 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
2411 ((msr >> 48) & 1) ? "EN" : "DIS");
2412 }
2413
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2414 if (do_rapl & RAPL_DRAM_POWER_INFO) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2415 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
2416 return -6;
2417
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2418 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2419 cpu, msr,
2420 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2421 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2422 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2423 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2424 }
2425 if (do_rapl & RAPL_DRAM) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2426 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
2427 return -9;
2428 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
2429 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2430
2431 print_power_limit_msr(cpu, msr, "DRAM Limit");
2432 }
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2433 if (do_rapl & RAPL_CORE_POLICY) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2434 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2435 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
2436 return -7;
2437
2438 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2439 }
2440 }
2441 if (do_rapl & RAPL_CORES) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2442 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2443
2444 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
2445 return -9;
2446 fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
2447 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2448 print_power_limit_msr(cpu, msr, "Cores Limit");
2449 }
2450 }
2451 if (do_rapl & RAPL_GFX) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2452 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2453 if (get_msr(cpu, MSR_PP1_POLICY, &msr))
2454 return -8;
2455
2456 fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
2457
2458 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
2459 return -9;
2460 fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
2461 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2462 print_power_limit_msr(cpu, msr, "GFX Limit");
2463 }
2464 }
2465 return 0;
2466}
2467
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2468/*
2469 * SNB adds support for additional MSRs:
2470 *
2471 * MSR_PKG_C7_RESIDENCY 0x000003fa
2472 * MSR_CORE_C7_RESIDENCY 0x000003fe
2473 * MSR_PKG_C2_RESIDENCY 0x0000060d
2474 */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2475
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2476int has_snb_msrs(unsigned int family, unsigned int model)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2477{
2478 if (!genuine_intel)
2479 return 0;
2480
2481 switch (model) {
2482 case 0x2A:
2483 case 0x2D:
Len Brown650a37f2012-06-03 23:34:44 -0400[diff] [blame]2484 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]2485 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]2486 case 0x3C: /* HSW */
2487 case 0x3F: /* HSW */
2488 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]2489 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]2490 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -0500[diff] [blame]2491 case 0x47: /* BDW */
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]2492 case 0x4F: /* BDX */
2493 case 0x56: /* BDX-DE */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2494 case 0x4E: /* SKL */
2495 case 0x5E: /* SKL */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2496 return 1;
2497 }
2498 return 0;
2499}
2500
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2501/*
2502 * HSW adds support for additional MSRs:
2503 *
2504 * MSR_PKG_C8_RESIDENCY 0x00000630
2505 * MSR_PKG_C9_RESIDENCY 0x00000631
2506 * MSR_PKG_C10_RESIDENCY 0x00000632
2507 */
2508int has_hsw_msrs(unsigned int family, unsigned int model)
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]2509{
2510 if (!genuine_intel)
2511 return 0;
2512
2513 switch (model) {
Len Brown4e8e863f2014-02-27 23:28:53 -0500[diff] [blame]2514 case 0x45: /* HSW */
2515 case 0x3D: /* BDW */
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2516 case 0x4E: /* SKL */
2517 case 0x5E: /* SKL */
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]2518 return 1;
2519 }
2520 return 0;
2521}
2522
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2523/*
2524 * SKL adds support for additional MSRS:
2525 *
2526 * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658
2527 * MSR_PKG_ANY_CORE_C0_RES 0x00000659
2528 * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A
2529 * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B
2530 */
2531int has_skl_msrs(unsigned int family, unsigned int model)
2532{
2533 if (!genuine_intel)
2534 return 0;
2535
2536 switch (model) {
2537 case 0x4E: /* SKL */
2538 case 0x5E: /* SKL */
2539 return 1;
2540 }
2541 return 0;
2542}
2543
2544
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]2545
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2546int is_slm(unsigned int family, unsigned int model)
2547{
2548 if (!genuine_intel)
2549 return 0;
2550 switch (model) {
2551 case 0x37: /* BYT */
2552 case 0x4D: /* AVN */
2553 return 1;
2554 }
2555 return 0;
2556}
2557
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]2558int is_knl(unsigned int family, unsigned int model)
2559{
2560 if (!genuine_intel)
2561 return 0;
2562 switch (model) {
2563 case 0x57: /* KNL */
2564 return 1;
2565 }
2566 return 0;
2567}
2568
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +0200[diff] [blame]2569unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model)
2570{
2571 if (is_knl(family, model))
2572 return 1024;
2573 return 1;
2574}
2575
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2576#define SLM_BCLK_FREQS 5
2577double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
2578
2579double slm_bclk(void)
2580{
2581 unsigned long long msr = 3;
2582 unsigned int i;
2583 double freq;
2584
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]2585 if (get_msr(base_cpu, MSR_FSB_FREQ, &msr))
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2586 fprintf(stderr, "SLM BCLK: unknown\n");
2587
2588 i = msr & 0xf;
2589 if (i >= SLM_BCLK_FREQS) {
2590 fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
2591 msr = 3;
2592 }
2593 freq = slm_freq_table[i];
2594
2595 fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
2596
2597 return freq;
2598}
2599
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2600double discover_bclk(unsigned int family, unsigned int model)
2601{
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2602 if (has_snb_msrs(family, model))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2603 return 100.00;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2604 else if (is_slm(family, model))
2605 return slm_bclk();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2606 else
2607 return 133.33;
2608}
2609
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2610/*
2611 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
2612 * the Thermal Control Circuit (TCC) activates.
2613 * This is usually equal to tjMax.
2614 *
2615 * Older processors do not have this MSR, so there we guess,
2616 * but also allow cmdline over-ride with -T.
2617 *
2618 * Several MSR temperature values are in units of degrees-C
2619 * below this value, including the Digital Thermal Sensor (DTS),
2620 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
2621 */
2622int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2623{
2624 unsigned long long msr;
2625 unsigned int target_c_local;
2626 int cpu;
2627
2628 /* tcc_activation_temp is used only for dts or ptm */
2629 if (!(do_dts || do_ptm))
2630 return 0;
2631
2632 /* this is a per-package concept */
2633 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2634 return 0;
2635
2636 cpu = t->cpu_id;
2637 if (cpu_migrate(cpu)) {
2638 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2639 return -1;
2640 }
2641
2642 if (tcc_activation_temp_override != 0) {
2643 tcc_activation_temp = tcc_activation_temp_override;
2644 fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
2645 cpu, tcc_activation_temp);
2646 return 0;
2647 }
2648
2649 /* Temperature Target MSR is Nehalem and newer only */
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2650 if (!do_nhm_platform_info)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2651 goto guess;
2652
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]2653 if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2654 goto guess;
2655
Jean Delvare34821242014-05-01 11:40:19 +0200[diff] [blame]2656 target_c_local = (msr >> 16) & 0xFF;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2657
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2658 if (debug)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2659 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
2660 cpu, msr, target_c_local);
2661
Jean Delvare34821242014-05-01 11:40:19 +0200[diff] [blame]2662 if (!target_c_local)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2663 goto guess;
2664
2665 tcc_activation_temp = target_c_local;
2666
2667 return 0;
2668
2669guess:
2670 tcc_activation_temp = TJMAX_DEFAULT;
2671 fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
2672 cpu, tcc_activation_temp);
2673
2674 return 0;
2675}
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]2676void process_cpuid()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2677{
2678 unsigned int eax, ebx, ecx, edx, max_level;
2679 unsigned int fms, family, model, stepping;
2680
2681 eax = ebx = ecx = edx = 0;
2682
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame]2683 __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2684
2685 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
2686 genuine_intel = 1;
2687
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2688 if (debug)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2689 fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2690 (char *)&ebx, (char *)&edx, (char *)&ecx);
2691
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame]2692 __get_cpuid(1, &fms, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2693 family = (fms >> 8) & 0xf;
2694 model = (fms >> 4) & 0xf;
2695 stepping = fms & 0xf;
2696 if (family == 6 || family == 0xf)
2697 model += ((fms >> 16) & 0xf) << 4;
2698
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2699 if (debug)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2700 fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
2701 max_level, family, model, stepping, family, model, stepping);
2702
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]2703 if (!(edx & (1 << 5)))
2704 errx(1, "CPUID: no MSR");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2705
2706 /*
2707 * check max extended function levels of CPUID.
2708 * This is needed to check for invariant TSC.
2709 * This check is valid for both Intel and AMD.
2710 */
2711 ebx = ecx = edx = 0;
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame]2712 __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2713
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2714 if (max_level >= 0x80000007) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2715
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2716 /*
2717 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
2718 * this check is valid for both Intel and AMD
2719 */
2720 __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
2721 has_invariant_tsc = edx & (1 << 8);
2722 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2723
2724 /*
2725 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
2726 * this check is valid for both Intel and AMD
2727 */
2728
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame]2729 __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
Thomas Renninger8209e052011-01-21 15:11:19 +0100[diff] [blame]2730 has_aperf = ecx & (1 << 0);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2731 do_dts = eax & (1 << 0);
2732 do_ptm = eax & (1 << 6);
2733 has_epb = ecx & (1 << 3);
2734
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2735 if (debug)
Len Browna7296172015-01-23 01:33:58 -0500[diff] [blame]2736 fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n",
2737 has_aperf ? "" : "No ",
2738 do_dts ? "" : "No ",
2739 do_ptm ? "" : "No ",
2740 has_epb ? "" : "No ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2741
Len Brown8a5bdf42015-04-01 21:02:57 -0400[diff] [blame]2742 if (max_level > 0x15) {
2743 unsigned int eax_crystal;
2744 unsigned int ebx_tsc;
2745
2746 /*
2747 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
2748 */
2749 eax_crystal = ebx_tsc = crystal_hz = edx = 0;
2750 __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx);
2751
2752 if (ebx_tsc != 0) {
2753
2754 if (debug && (ebx != 0))
2755 fprintf(stderr, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
2756 eax_crystal, ebx_tsc, crystal_hz);
2757
2758 if (crystal_hz == 0)
2759 switch(model) {
2760 case 0x4E: /* SKL */
2761 case 0x5E: /* SKL */
2762 crystal_hz = 24000000; /* 24 MHz */
2763 break;
2764 default:
2765 crystal_hz = 0;
2766 }
2767
2768 if (crystal_hz) {
2769 tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal;
2770 if (debug)
2771 fprintf(stderr, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
2772 tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal);
2773 }
2774 }
2775 }
2776
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +0200[diff] [blame]2777 if (has_aperf)
2778 aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model);
2779
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]2780 do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model);
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2781 do_snb_cstates = has_snb_msrs(family, model);
Len Brownee7e38e2015-02-09 23:39:45 -0500[diff] [blame]2782 do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2);
2783 do_pc3 = (pkg_cstate_limit >= PCL__3);
2784 do_pc6 = (pkg_cstate_limit >= PCL__6);
2785 do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7);
Len Brownd7899442015-01-23 00:12:33 -0500[diff] [blame]2786 do_c8_c9_c10 = has_hsw_msrs(family, model);
Len Brown0b2bb692015-03-26 00:50:30 -0400[diff] [blame]2787 do_skl_residency = has_skl_msrs(family, model);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2788 do_slm_cstates = is_slm(family, model);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700[diff] [blame]2789 do_knl_cstates = is_knl(family, model);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2790
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2791 rapl_probe(family, model);
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]2792 perf_limit_reasons_probe(family, model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2793
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]2794 if (debug)
2795 dump_cstate_pstate_config_info();
2796
Len Browna2b7b742015-09-26 00:12:38 -0400[diff] [blame]2797 if (has_skl_msrs(family, model))
2798 calculate_tsc_tweak();
2799
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2800 return;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2801}
2802
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2803void help()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2804{
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2805 fprintf(stderr,
2806 "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
2807 "\n"
2808 "Turbostat forks the specified COMMAND and prints statistics\n"
2809 "when COMMAND completes.\n"
2810 "If no COMMAND is specified, turbostat wakes every 5-seconds\n"
2811 "to print statistics, until interrupted.\n"
2812 "--debug run in \"debug\" mode\n"
2813 "--interval sec Override default 5-second measurement interval\n"
2814 "--help print this help message\n"
2815 "--counter msr print 32-bit counter at address \"msr\"\n"
2816 "--Counter msr print 64-bit Counter at address \"msr\"\n"
2817 "--msr msr print 32-bit value at address \"msr\"\n"
2818 "--MSR msr print 64-bit Value at address \"msr\"\n"
2819 "--version print version information\n"
2820 "\n"
2821 "For more help, run \"man turbostat\"\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2822}
2823
2824
2825/*
2826 * in /dev/cpu/ return success for names that are numbers
2827 * ie. filter out ".", "..", "microcode".
2828 */
2829int dir_filter(const struct dirent *dirp)
2830{
2831 if (isdigit(dirp->d_name[0]))
2832 return 1;
2833 else
2834 return 0;
2835}
2836
2837int open_dev_cpu_msr(int dummy1)
2838{
2839 return 0;
2840}
2841
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2842void topology_probe()
2843{
2844 int i;
2845 int max_core_id = 0;
2846 int max_package_id = 0;
2847 int max_siblings = 0;
2848 struct cpu_topology {
2849 int core_id;
2850 int physical_package_id;
2851 } *cpus;
2852
2853 /* Initialize num_cpus, max_cpu_num */
2854 topo.num_cpus = 0;
2855 topo.max_cpu_num = 0;
2856 for_all_proc_cpus(count_cpus);
2857 if (!summary_only && topo.num_cpus > 1)
2858 show_cpu = 1;
2859
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2860 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2861 fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
2862
2863 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]2864 if (cpus == NULL)
2865 err(1, "calloc cpus");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2866
2867 /*
2868 * Allocate and initialize cpu_present_set
2869 */
2870 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]2871 if (cpu_present_set == NULL)
2872 err(3, "CPU_ALLOC");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2873 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2874 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
2875 for_all_proc_cpus(mark_cpu_present);
2876
2877 /*
2878 * Allocate and initialize cpu_affinity_set
2879 */
2880 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]2881 if (cpu_affinity_set == NULL)
2882 err(3, "CPU_ALLOC");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2883 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2884 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
2885
2886
2887 /*
2888 * For online cpus
2889 * find max_core_id, max_package_id
2890 */
2891 for (i = 0; i <= topo.max_cpu_num; ++i) {
2892 int siblings;
2893
2894 if (cpu_is_not_present(i)) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2895 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2896 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
2897 continue;
2898 }
2899 cpus[i].core_id = get_core_id(i);
2900 if (cpus[i].core_id > max_core_id)
2901 max_core_id = cpus[i].core_id;
2902
2903 cpus[i].physical_package_id = get_physical_package_id(i);
2904 if (cpus[i].physical_package_id > max_package_id)
2905 max_package_id = cpus[i].physical_package_id;
2906
2907 siblings = get_num_ht_siblings(i);
2908 if (siblings > max_siblings)
2909 max_siblings = siblings;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2910 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2911 fprintf(stderr, "cpu %d pkg %d core %d\n",
2912 i, cpus[i].physical_package_id, cpus[i].core_id);
2913 }
2914 topo.num_cores_per_pkg = max_core_id + 1;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2915 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2916 fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
2917 max_core_id, topo.num_cores_per_pkg);
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]2918 if (debug && !summary_only && topo.num_cores_per_pkg > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2919 show_core = 1;
2920
2921 topo.num_packages = max_package_id + 1;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2922 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2923 fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
2924 max_package_id, topo.num_packages);
Len Brown1cc21f72015-02-23 00:34:57 -0500[diff] [blame]2925 if (debug && !summary_only && topo.num_packages > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2926 show_pkg = 1;
2927
2928 topo.num_threads_per_core = max_siblings;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]2929 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2930 fprintf(stderr, "max_siblings %d\n", max_siblings);
2931
2932 free(cpus);
2933}
2934
2935void
2936allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
2937{
2938 int i;
2939
2940 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
2941 topo.num_packages, sizeof(struct thread_data));
2942 if (*t == NULL)
2943 goto error;
2944
2945 for (i = 0; i < topo.num_threads_per_core *
2946 topo.num_cores_per_pkg * topo.num_packages; i++)
2947 (*t)[i].cpu_id = -1;
2948
2949 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
2950 sizeof(struct core_data));
2951 if (*c == NULL)
2952 goto error;
2953
2954 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
2955 (*c)[i].core_id = -1;
2956
2957 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
2958 if (*p == NULL)
2959 goto error;
2960
2961 for (i = 0; i < topo.num_packages; i++)
2962 (*p)[i].package_id = i;
2963
2964 return;
2965error:
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]2966 err(1, "calloc counters");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2967}
2968/*
2969 * init_counter()
2970 *
2971 * set cpu_id, core_num, pkg_num
2972 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2973 *
2974 * increment topo.num_cores when 1st core in pkg seen
2975 */
2976void init_counter(struct thread_data *thread_base, struct core_data *core_base,
2977 struct pkg_data *pkg_base, int thread_num, int core_num,
2978 int pkg_num, int cpu_id)
2979{
2980 struct thread_data *t;
2981 struct core_data *c;
2982 struct pkg_data *p;
2983
2984 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
2985 c = GET_CORE(core_base, core_num, pkg_num);
2986 p = GET_PKG(pkg_base, pkg_num);
2987
2988 t->cpu_id = cpu_id;
2989 if (thread_num == 0) {
2990 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
2991 if (cpu_is_first_core_in_package(cpu_id))
2992 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
2993 }
2994
2995 c->core_id = core_num;
2996 p->package_id = pkg_num;
2997}
2998
2999
3000int initialize_counters(int cpu_id)
3001{
3002 int my_thread_id, my_core_id, my_package_id;
3003
3004 my_package_id = get_physical_package_id(cpu_id);
3005 my_core_id = get_core_id(cpu_id);
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -0700[diff] [blame]3006 my_thread_id = get_cpu_position_in_core(cpu_id);
3007 if (!my_thread_id)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3008 topo.num_cores++;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3009
3010 init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
3011 init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
3012 return 0;
3013}
3014
3015void allocate_output_buffer()
3016{
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]3017 output_buffer = calloc(1, (1 + topo.num_cpus) * 1024);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3018 outp = output_buffer;
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]3019 if (outp == NULL)
3020 err(-1, "calloc output buffer");
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3021}
3022
3023void setup_all_buffers(void)
3024{
3025 topology_probe();
3026 allocate_counters(&thread_even, &core_even, &package_even);
3027 allocate_counters(&thread_odd, &core_odd, &package_odd);
3028 allocate_output_buffer();
3029 for_all_proc_cpus(initialize_counters);
3030}
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]3031
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]3032void set_base_cpu(void)
3033{
3034 base_cpu = sched_getcpu();
3035 if (base_cpu < 0)
3036 err(-ENODEV, "No valid cpus found");
3037
3038 if (debug > 1)
3039 fprintf(stderr, "base_cpu = %d\n", base_cpu);
3040}
3041
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3042void turbostat_init()
3043{
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -0400[diff] [blame]3044 setup_all_buffers();
3045 set_base_cpu();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3046 check_dev_msr();
Len Brown98481e72014-08-15 00:36:50 -0400[diff] [blame]3047 check_permissions();
Len Brownfcd17212015-03-23 20:29:09 -0400[diff] [blame]3048 process_cpuid();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3049
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3050
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3051 if (debug)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]3052 for_all_cpus(print_epb, ODD_COUNTERS);
3053
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3054 if (debug)
Len Brown3a9a9412014-08-15 02:39:52 -0400[diff] [blame]3055 for_all_cpus(print_perf_limit, ODD_COUNTERS);
3056
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3057 if (debug)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]3058 for_all_cpus(print_rapl, ODD_COUNTERS);
3059
3060 for_all_cpus(set_temperature_target, ODD_COUNTERS);
3061
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3062 if (debug)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]3063 for_all_cpus(print_thermal, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3064}
3065
3066int fork_it(char **argv)
3067{
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3068 pid_t child_pid;
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]3069 int status;
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]3070
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]3071 status = for_all_cpus(get_counters, EVEN_COUNTERS);
3072 if (status)
3073 exit(status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3074 /* clear affinity side-effect of get_counters() */
3075 sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3076 gettimeofday(&tv_even, (struct timezone *)NULL);
3077
3078 child_pid = fork();
3079 if (!child_pid) {
3080 /* child */
3081 execvp(argv[0], argv);
3082 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3083
3084 /* parent */
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]3085 if (child_pid == -1)
3086 err(1, "fork");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3087
3088 signal(SIGINT, SIG_IGN);
3089 signal(SIGQUIT, SIG_IGN);
Josh Triplettb2c95d92013-08-20 17:20:18 -0700[diff] [blame]3090 if (waitpid(child_pid, &status, 0) == -1)
3091 err(status, "waitpid");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3092 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3093 /*
3094 * n.b. fork_it() does not check for errors from for_all_cpus()
3095 * because re-starting is problematic when forking
3096 */
3097 for_all_cpus(get_counters, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3098 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3099 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]3100 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
3101 compute_average(EVEN_COUNTERS);
3102 format_all_counters(EVEN_COUNTERS);
3103 flush_stderr();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3104
Justin P. Mattock6eab04a2011-04-08 19:49:08 -0700[diff] [blame]3105 fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3106
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]3107 return status;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3108}
3109
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]3110int get_and_dump_counters(void)
3111{
3112 int status;
3113
3114 status = for_all_cpus(get_counters, ODD_COUNTERS);
3115 if (status)
3116 return status;
3117
3118 status = for_all_cpus(dump_counters, ODD_COUNTERS);
3119 if (status)
3120 return status;
3121
3122 flush_stdout();
3123
3124 return status;
3125}
3126
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3127void print_version() {
Len Brownaf71b982015-09-26 09:49:55 -0400[diff] [blame]3128 fprintf(stderr, "turbostat version 4.8 26-Sep, 2015"
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3129 " - Len Brown <lenb@kernel.org>\n");
3130}
3131
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3132void cmdline(int argc, char **argv)
3133{
3134 int opt;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3135 int option_index = 0;
3136 static struct option long_options[] = {
3137 {"Counter", required_argument, 0, 'C'},
3138 {"counter", required_argument, 0, 'c'},
3139 {"Dump", no_argument, 0, 'D'},
3140 {"debug", no_argument, 0, 'd'},
3141 {"interval", required_argument, 0, 'i'},
3142 {"help", no_argument, 0, 'h'},
3143 {"Joules", no_argument, 0, 'J'},
3144 {"MSR", required_argument, 0, 'M'},
3145 {"msr", required_argument, 0, 'm'},
3146 {"Package", no_argument, 0, 'p'},
3147 {"processor", no_argument, 0, 'p'},
3148 {"Summary", no_argument, 0, 'S'},
3149 {"TCC", required_argument, 0, 'T'},
3150 {"version", no_argument, 0, 'v' },
3151 {0, 0, 0, 0 }
3152 };
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3153
3154 progname = argv[0];
3155
Len Browna01e72f2015-07-15 21:49:41 -0400[diff] [blame]3156 while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:PpST:v",
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3157 long_options, &option_index)) != -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3158 switch (opt) {
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3159 case 'C':
3160 sscanf(optarg, "%x", &extra_delta_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3161 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]3162 case 'c':
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]3163 sscanf(optarg, "%x", &extra_delta_offset32);
3164 break;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3165 case 'D':
3166 dump_only++;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]3167 break;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3168 case 'd':
3169 debug++;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]3170 break;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3171 case 'h':
3172 default:
3173 help();
3174 exit(1);
3175 case 'i':
3176 interval_sec = atoi(optarg);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]3177 break;
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800[diff] [blame]3178 case 'J':
3179 rapl_joules++;
3180 break;
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3181 case 'M':
3182 sscanf(optarg, "%x", &extra_msr_offset64);
3183 break;
3184 case 'm':
3185 sscanf(optarg, "%x", &extra_msr_offset32);
3186 break;
3187 case 'P':
3188 show_pkg_only++;
3189 break;
3190 case 'p':
3191 show_core_only++;
3192 break;
3193 case 'S':
3194 summary_only++;
3195 break;
3196 case 'T':
3197 tcc_activation_temp_override = atoi(optarg);
3198 break;
3199 case 'v':
3200 print_version();
3201 exit(0);
3202 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3203 }
3204 }
3205}
3206
3207int main(int argc, char **argv)
3208{
3209 cmdline(argc, argv);
3210
Len Brownd8af6f52015-02-10 01:56:38 -0500[diff] [blame]3211 if (debug)
3212 print_version();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3213
3214 turbostat_init();
3215
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200[diff] [blame]3216 /* dump counters and exit */
3217 if (dump_only)
3218 return get_and_dump_counters();
3219
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]3220 /*
3221 * if any params left, it must be a command to fork
3222 */
3223 if (argc - optind)
3224 return fork_it(argv + optind);
3225 else
3226 turbostat_loop();
3227
3228 return 0;
3229}