Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-5.4 / 2b92865e648ce04a39fda4f903784a5d01ecb0dc / . / tools / power / x86 / turbostat / turbostat.c
blob: 51741a1b7021bde03dfce4ad389cc8ceff75f52e [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
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]24#include <stdio.h>
25#include <unistd.h>
26#include <sys/types.h>
27#include <sys/wait.h>
28#include <sys/stat.h>
29#include <sys/resource.h>
30#include <fcntl.h>
31#include <signal.h>
32#include <sys/time.h>
33#include <stdlib.h>
34#include <dirent.h>
35#include <string.h>
36#include <ctype.h>
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]37#include <sched.h>
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]38#include <cpuid.h>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]39
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]40char *proc_stat = "/proc/stat";
41unsigned int interval_sec = 5; /* set with -i interval_sec */
42unsigned int verbose; /* set with -v */
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]43unsigned int rapl_verbose; /* set with -R */
44unsigned int thermal_verbose; /* set with -T */
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]45unsigned int summary_only; /* set with -s */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]46unsigned int skip_c0;
47unsigned int skip_c1;
48unsigned int do_nhm_cstates;
49unsigned int do_snb_cstates;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]50unsigned int do_c8_c9_c10;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]51unsigned int do_slm_cstates;
52unsigned int use_c1_residency_msr;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]53unsigned int has_aperf;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]54unsigned int has_epb;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]55unsigned int units = 1000000000; /* Ghz etc */
56unsigned int genuine_intel;
57unsigned int has_invariant_tsc;
58unsigned int do_nehalem_platform_info;
59unsigned int do_nehalem_turbo_ratio_limit;
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]60unsigned int do_ivt_turbo_ratio_limit;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]61unsigned int extra_msr_offset32;
62unsigned int extra_msr_offset64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]63unsigned int extra_delta_offset32;
64unsigned int extra_delta_offset64;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]65int do_smi;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]66double bclk;
67unsigned int show_pkg;
68unsigned int show_core;
69unsigned int show_cpu;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]70unsigned int show_pkg_only;
71unsigned int show_core_only;
72char *output_buffer, *outp;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]73unsigned int do_rapl;
74unsigned int do_dts;
75unsigned int do_ptm;
76unsigned int tcc_activation_temp;
77unsigned int tcc_activation_temp_override;
78double rapl_power_units, rapl_energy_units, rapl_time_units;
79double rapl_joule_counter_range;
80
81#define RAPL_PKG (1 << 0)
82#define RAPL_CORES (1 << 1)
83#define RAPL_GFX (1 << 2)
84#define RAPL_DRAM (1 << 3)
85#define RAPL_PKG_PERF_STATUS (1 << 4)
86#define RAPL_DRAM_PERF_STATUS (1 << 5)
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]87#define RAPL_PKG_POWER_INFO (1 << 6)
88#define RAPL_CORE_POLICY (1 << 7)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]89#define TJMAX_DEFAULT 100
90
91#define MAX(a, b) ((a) > (b) ? (a) : (b))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]92
93int aperf_mperf_unstable;
94int backwards_count;
95char *progname;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]96
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]97cpu_set_t *cpu_present_set, *cpu_affinity_set;
98size_t cpu_present_setsize, cpu_affinity_setsize;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]99
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]100struct thread_data {
101 unsigned long long tsc;
102 unsigned long long aperf;
103 unsigned long long mperf;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]104 unsigned long long c1;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]105 unsigned long long extra_msr64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]106 unsigned long long extra_delta64;
107 unsigned long long extra_msr32;
108 unsigned long long extra_delta32;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]109 unsigned int smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]110 unsigned int cpu_id;
111 unsigned int flags;
112#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
113#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
114} *thread_even, *thread_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]115
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]116struct core_data {
117 unsigned long long c3;
118 unsigned long long c6;
119 unsigned long long c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]120 unsigned int core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]121 unsigned int core_id;
122} *core_even, *core_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]123
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]124struct pkg_data {
125 unsigned long long pc2;
126 unsigned long long pc3;
127 unsigned long long pc6;
128 unsigned long long pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]129 unsigned long long pc8;
130 unsigned long long pc9;
131 unsigned long long pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]132 unsigned int package_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]133 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
134 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
135 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
136 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
137 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
138 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
139 unsigned int pkg_temp_c;
140
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]141} *package_even, *package_odd;
142
143#define ODD_COUNTERS thread_odd, core_odd, package_odd
144#define EVEN_COUNTERS thread_even, core_even, package_even
145
146#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
147 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
148 topo.num_threads_per_core + \
149 (core_no) * topo.num_threads_per_core + (thread_no))
150#define GET_CORE(core_base, core_no, pkg_no) \
151 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
152#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
153
154struct system_summary {
155 struct thread_data threads;
156 struct core_data cores;
157 struct pkg_data packages;
158} sum, average;
159
160
161struct topo_params {
162 int num_packages;
163 int num_cpus;
164 int num_cores;
165 int max_cpu_num;
166 int num_cores_per_pkg;
167 int num_threads_per_core;
168} topo;
169
170struct timeval tv_even, tv_odd, tv_delta;
171
172void setup_all_buffers(void);
173
174int cpu_is_not_present(int cpu)
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]175{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]176 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]177}
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]178/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]179 * run func(thread, core, package) in topology order
180 * skip non-present cpus
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]181 */
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]182
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]183int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
184 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]185{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]186 int retval, pkg_no, core_no, thread_no;
187
188 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
189 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
190 for (thread_no = 0; thread_no <
191 topo.num_threads_per_core; ++thread_no) {
192 struct thread_data *t;
193 struct core_data *c;
194 struct pkg_data *p;
195
196 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
197
198 if (cpu_is_not_present(t->cpu_id))
199 continue;
200
201 c = GET_CORE(core_base, core_no, pkg_no);
202 p = GET_PKG(pkg_base, pkg_no);
203
204 retval = func(t, c, p);
205 if (retval)
206 return retval;
207 }
208 }
209 }
210 return 0;
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]211}
212
213int cpu_migrate(int cpu)
214{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]215 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
216 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
217 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]218 return -1;
219 else
220 return 0;
221}
222
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]223int get_msr(int cpu, off_t offset, unsigned long long *msr)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]224{
225 ssize_t retval;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]226 char pathname[32];
227 int fd;
228
229 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
230 fd = open(pathname, O_RDONLY);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]231 if (fd < 0)
232 return -1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]233
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]234 retval = pread(fd, msr, sizeof *msr, offset);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]235 close(fd);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]236
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]237 if (retval != sizeof *msr) {
Josh Triplett2e9c6bc2013-08-20 17:20:13 -0700[diff] [blame]238 fprintf(stderr, "%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]239 return -1;
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]240 }
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]241
242 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]243}
244
Len Browna829eb42011-02-10 23:36:34 -0500[diff] [blame]245void print_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]246{
247 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]248 outp += sprintf(outp, "pk");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]249 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]250 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]251 if (show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]252 outp += sprintf(outp, "cor");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]253 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]254 outp += sprintf(outp, " CPU");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]255 if (show_pkg || show_core || show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]256 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]257 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]258 outp += sprintf(outp, " %%c0");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]259 if (has_aperf)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]260 outp += sprintf(outp, " GHz");
261 outp += sprintf(outp, " TSC");
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]262 if (do_smi)
263 outp += sprintf(outp, " SMI");
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]264 if (extra_delta_offset32)
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]265 outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]266 if (extra_delta_offset64)
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]267 outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]268 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]269 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]270 if (extra_msr_offset64)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]271 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]272 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]273 outp += sprintf(outp, " %%c1");
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]274 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]275 outp += sprintf(outp, " %%c3");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]276 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]277 outp += sprintf(outp, " %%c6");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]278 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]279 outp += sprintf(outp, " %%c7");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]280
281 if (do_dts)
282 outp += sprintf(outp, " CTMP");
283 if (do_ptm)
284 outp += sprintf(outp, " PTMP");
285
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]286 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]287 outp += sprintf(outp, " %%pc2");
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]288 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]289 outp += sprintf(outp, " %%pc3");
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]290 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]291 outp += sprintf(outp, " %%pc6");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]292 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]293 outp += sprintf(outp, " %%pc7");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]294 if (do_c8_c9_c10) {
295 outp += sprintf(outp, " %%pc8");
296 outp += sprintf(outp, " %%pc9");
297 outp += sprintf(outp, " %%pc10");
298 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]299
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]300 if (do_rapl & RAPL_PKG)
301 outp += sprintf(outp, " Pkg_W");
302 if (do_rapl & RAPL_CORES)
303 outp += sprintf(outp, " Cor_W");
304 if (do_rapl & RAPL_GFX)
305 outp += sprintf(outp, " GFX_W");
306 if (do_rapl & RAPL_DRAM)
307 outp += sprintf(outp, " RAM_W");
308 if (do_rapl & RAPL_PKG_PERF_STATUS)
309 outp += sprintf(outp, " PKG_%%");
310 if (do_rapl & RAPL_DRAM_PERF_STATUS)
311 outp += sprintf(outp, " RAM_%%");
312
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]313 outp += sprintf(outp, "\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]314}
315
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]316int dump_counters(struct thread_data *t, struct core_data *c,
317 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]318{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]319 fprintf(stderr, "t %p, c %p, p %p\n", t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]320
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]321 if (t) {
322 fprintf(stderr, "CPU: %d flags 0x%x\n", t->cpu_id, t->flags);
323 fprintf(stderr, "TSC: %016llX\n", t->tsc);
324 fprintf(stderr, "aperf: %016llX\n", t->aperf);
325 fprintf(stderr, "mperf: %016llX\n", t->mperf);
326 fprintf(stderr, "c1: %016llX\n", t->c1);
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]327 fprintf(stderr, "msr0x%x: %08llX\n",
328 extra_delta_offset32, t->extra_delta32);
329 fprintf(stderr, "msr0x%x: %016llX\n",
330 extra_delta_offset64, t->extra_delta64);
331 fprintf(stderr, "msr0x%x: %08llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]332 extra_msr_offset32, t->extra_msr32);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]333 fprintf(stderr, "msr0x%x: %016llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]334 extra_msr_offset64, t->extra_msr64);
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]335 if (do_smi)
336 fprintf(stderr, "SMI: %08X\n", t->smi_count);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]337 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]338
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]339 if (c) {
340 fprintf(stderr, "core: %d\n", c->core_id);
341 fprintf(stderr, "c3: %016llX\n", c->c3);
342 fprintf(stderr, "c6: %016llX\n", c->c6);
343 fprintf(stderr, "c7: %016llX\n", c->c7);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]344 fprintf(stderr, "DTS: %dC\n", c->core_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]345 }
346
347 if (p) {
348 fprintf(stderr, "package: %d\n", p->package_id);
349 fprintf(stderr, "pc2: %016llX\n", p->pc2);
350 fprintf(stderr, "pc3: %016llX\n", p->pc3);
351 fprintf(stderr, "pc6: %016llX\n", p->pc6);
352 fprintf(stderr, "pc7: %016llX\n", p->pc7);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]353 fprintf(stderr, "pc8: %016llX\n", p->pc8);
354 fprintf(stderr, "pc9: %016llX\n", p->pc9);
355 fprintf(stderr, "pc10: %016llX\n", p->pc10);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]356 fprintf(stderr, "Joules PKG: %0X\n", p->energy_pkg);
357 fprintf(stderr, "Joules COR: %0X\n", p->energy_cores);
358 fprintf(stderr, "Joules GFX: %0X\n", p->energy_gfx);
359 fprintf(stderr, "Joules RAM: %0X\n", p->energy_dram);
360 fprintf(stderr, "Throttle PKG: %0X\n", p->rapl_pkg_perf_status);
361 fprintf(stderr, "Throttle RAM: %0X\n", p->rapl_dram_perf_status);
362 fprintf(stderr, "PTM: %dC\n", p->pkg_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]363 }
364 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]365}
366
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]367/*
368 * column formatting convention & formats
369 * package: "pk" 2 columns %2d
370 * core: "cor" 3 columns %3d
371 * CPU: "CPU" 3 columns %3d
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]372 * Pkg_W: %6.2
373 * Cor_W: %6.2
374 * GFX_W: %5.2
375 * RAM_W: %5.2
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]376 * GHz: "GHz" 3 columns %3.2
377 * TSC: "TSC" 3 columns %3.2
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]378 * SMI: "SMI" 4 columns %4d
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]379 * percentage " %pc3" %6.2
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]380 * Perf Status percentage: %5.2
381 * "CTMP" 4 columns %4d
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]382 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]383int format_counters(struct thread_data *t, struct core_data *c,
384 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]385{
386 double interval_float;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]387 char *fmt5, *fmt6;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]388
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]389 /* if showing only 1st thread in core and this isn't one, bail out */
390 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
391 return 0;
392
393 /* if showing only 1st thread in pkg and this isn't one, bail out */
394 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
395 return 0;
396
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]397 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
398
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]399 /* topo columns, print blanks on 1st (average) line */
400 if (t == &average.threads) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]401 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]402 outp += sprintf(outp, " ");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]403 if (show_pkg && show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]404 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]405 if (show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]406 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]407 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]408 outp += sprintf(outp, " " " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]409 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]410 if (show_pkg) {
411 if (p)
412 outp += sprintf(outp, "%2d", p->package_id);
413 else
414 outp += sprintf(outp, " ");
415 }
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]416 if (show_pkg && show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]417 outp += sprintf(outp, " ");
418 if (show_core) {
419 if (c)
420 outp += sprintf(outp, "%3d", c->core_id);
421 else
422 outp += sprintf(outp, " ");
423 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]424 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]425 outp += sprintf(outp, " %3d", t->cpu_id);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]426 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]427 /* %c0 */
428 if (do_nhm_cstates) {
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]429 if (show_pkg || show_core || show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]430 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]431 if (!skip_c0)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]432 outp += sprintf(outp, "%6.2f", 100.0 * t->mperf/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]433 else
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]434 outp += sprintf(outp, " ****");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]435 }
436
437 /* GHz */
438 if (has_aperf) {
439 if (!aperf_mperf_unstable) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]440 outp += sprintf(outp, " %3.2f",
441 1.0 * t->tsc / units * t->aperf /
442 t->mperf / interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]443 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]444 if (t->aperf > t->tsc || t->mperf > t->tsc) {
445 outp += sprintf(outp, " ***");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]446 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]447 outp += sprintf(outp, "%3.1f*",
448 1.0 * t->tsc /
449 units * t->aperf /
450 t->mperf / interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]451 }
452 }
453 }
454
455 /* TSC */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]456 outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]457
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]458 /* SMI */
459 if (do_smi)
460 outp += sprintf(outp, "%4d", t->smi_count);
461
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]462 /* delta */
463 if (extra_delta_offset32)
464 outp += sprintf(outp, " %11llu", t->extra_delta32);
465
466 /* DELTA */
467 if (extra_delta_offset64)
468 outp += sprintf(outp, " %11llu", t->extra_delta64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]469 /* msr */
470 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]471 outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]472
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]473 /* MSR */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]474 if (extra_msr_offset64)
475 outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]476
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]477 if (do_nhm_cstates) {
478 if (!skip_c1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]479 outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]480 else
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]481 outp += sprintf(outp, " ****");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]482 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]483
484 /* print per-core data only for 1st thread in core */
485 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
486 goto done;
487
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]488 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]489 outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]490 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]491 outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]492 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]493 outp += sprintf(outp, " %6.2f", 100.0 * c->c7/t->tsc);
494
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]495 if (do_dts)
496 outp += sprintf(outp, " %4d", c->core_temp_c);
497
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]498 /* print per-package data only for 1st core in package */
499 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
500 goto done;
501
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]502 if (do_ptm)
503 outp += sprintf(outp, " %4d", p->pkg_temp_c);
504
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]505 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]506 outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]507 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]508 outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]509 if (do_nhm_cstates && !do_slm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]510 outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]511 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]512 outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]513 if (do_c8_c9_c10) {
514 outp += sprintf(outp, " %6.2f", 100.0 * p->pc8/t->tsc);
515 outp += sprintf(outp, " %6.2f", 100.0 * p->pc9/t->tsc);
516 outp += sprintf(outp, " %6.2f", 100.0 * p->pc10/t->tsc);
517 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]518
519 /*
520 * If measurement interval exceeds minimum RAPL Joule Counter range,
521 * indicate that results are suspect by printing "**" in fraction place.
522 */
523 if (interval_float < rapl_joule_counter_range) {
524 fmt5 = " %5.2f";
525 fmt6 = " %6.2f";
526 } else {
527 fmt5 = " %3.0f**";
528 fmt6 = " %4.0f**";
529 }
530
531 if (do_rapl & RAPL_PKG)
532 outp += sprintf(outp, fmt6, p->energy_pkg * rapl_energy_units / interval_float);
533 if (do_rapl & RAPL_CORES)
534 outp += sprintf(outp, fmt6, p->energy_cores * rapl_energy_units / interval_float);
535 if (do_rapl & RAPL_GFX)
536 outp += sprintf(outp, fmt5, p->energy_gfx * rapl_energy_units / interval_float);
537 if (do_rapl & RAPL_DRAM)
538 outp += sprintf(outp, fmt5, p->energy_dram * rapl_energy_units / interval_float);
539 if (do_rapl & RAPL_PKG_PERF_STATUS )
540 outp += sprintf(outp, fmt5, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
541 if (do_rapl & RAPL_DRAM_PERF_STATUS )
542 outp += sprintf(outp, fmt5, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
543
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]544done:
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]545 outp += sprintf(outp, "\n");
546
547 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]548}
549
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]550void flush_stdout()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]551{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]552 fputs(output_buffer, stdout);
Len Brownddac0d62012-11-30 01:01:40 -0500[diff] [blame]553 fflush(stdout);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]554 outp = output_buffer;
555}
556void flush_stderr()
557{
558 fputs(output_buffer, stderr);
559 outp = output_buffer;
560}
561void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
562{
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]563 static int printed;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]564
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]565 if (!printed || !summary_only)
566 print_header();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]567
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]568 if (topo.num_cpus > 1)
569 format_counters(&average.threads, &average.cores,
570 &average.packages);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]571
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]572 printed = 1;
573
574 if (summary_only)
575 return;
576
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]577 for_all_cpus(format_counters, t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]578}
579
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]580#define DELTA_WRAP32(new, old) \
581 if (new > old) { \
582 old = new - old; \
583 } else { \
584 old = 0x100000000 + new - old; \
585 }
586
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]587void
588delta_package(struct pkg_data *new, struct pkg_data *old)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]589{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]590 old->pc2 = new->pc2 - old->pc2;
591 old->pc3 = new->pc3 - old->pc3;
592 old->pc6 = new->pc6 - old->pc6;
593 old->pc7 = new->pc7 - old->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]594 old->pc8 = new->pc8 - old->pc8;
595 old->pc9 = new->pc9 - old->pc9;
596 old->pc10 = new->pc10 - old->pc10;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]597 old->pkg_temp_c = new->pkg_temp_c;
598
599 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
600 DELTA_WRAP32(new->energy_cores, old->energy_cores);
601 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
602 DELTA_WRAP32(new->energy_dram, old->energy_dram);
603 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
604 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]605}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]606
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]607void
608delta_core(struct core_data *new, struct core_data *old)
609{
610 old->c3 = new->c3 - old->c3;
611 old->c6 = new->c6 - old->c6;
612 old->c7 = new->c7 - old->c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]613 old->core_temp_c = new->core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]614}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]615
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]616/*
617 * old = new - old
618 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]619void
620delta_thread(struct thread_data *new, struct thread_data *old,
621 struct core_data *core_delta)
622{
623 old->tsc = new->tsc - old->tsc;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]624
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]625 /* check for TSC < 1 Mcycles over interval */
626 if (old->tsc < (1000 * 1000)) {
627 fprintf(stderr, "Insanely slow TSC rate, TSC stops in idle?\n");
628 fprintf(stderr, "You can disable all c-states by booting with \"idle=poll\"\n");
629 fprintf(stderr, "or just the deep ones with \"processor.max_cstate=1\"\n");
630 exit(-3);
631 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]632
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]633 old->c1 = new->c1 - old->c1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]634
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]635 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
636 old->aperf = new->aperf - old->aperf;
637 old->mperf = new->mperf - old->mperf;
638 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]639
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]640 if (!aperf_mperf_unstable) {
641 fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
642 fprintf(stderr, "* Frequency results do not cover entire interval *\n");
643 fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
644
645 aperf_mperf_unstable = 1;
646 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]647 /*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]648 * mperf delta is likely a huge "positive" number
649 * can not use it for calculating c0 time
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]650 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]651 skip_c0 = 1;
652 skip_c1 = 1;
653 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]654
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]655
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]656 if (use_c1_residency_msr) {
657 /*
658 * Some models have a dedicated C1 residency MSR,
659 * which should be more accurate than the derivation below.
660 */
661 } else {
662 /*
663 * As counter collection is not atomic,
664 * it is possible for mperf's non-halted cycles + idle states
665 * to exceed TSC's all cycles: show c1 = 0% in that case.
666 */
667 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
668 old->c1 = 0;
669 else {
670 /* normal case, derive c1 */
671 old->c1 = old->tsc - old->mperf - core_delta->c3
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]672 - core_delta->c6 - core_delta->c7;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]673 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]674 }
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]675
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]676 if (old->mperf == 0) {
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]677 if (verbose > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]678 old->mperf = 1; /* divide by 0 protection */
679 }
680
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]681 old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
682 old->extra_delta32 &= 0xFFFFFFFF;
683
684 old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
685
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]686 /*
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]687 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]688 */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]689 old->extra_msr32 = new->extra_msr32;
690 old->extra_msr64 = new->extra_msr64;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]691
692 if (do_smi)
693 old->smi_count = new->smi_count - old->smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]694}
695
696int delta_cpu(struct thread_data *t, struct core_data *c,
697 struct pkg_data *p, struct thread_data *t2,
698 struct core_data *c2, struct pkg_data *p2)
699{
700 /* calculate core delta only for 1st thread in core */
701 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
702 delta_core(c, c2);
703
704 /* always calculate thread delta */
705 delta_thread(t, t2, c2); /* c2 is core delta */
706
707 /* calculate package delta only for 1st core in package */
708 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
709 delta_package(p, p2);
710
711 return 0;
712}
713
714void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
715{
716 t->tsc = 0;
717 t->aperf = 0;
718 t->mperf = 0;
719 t->c1 = 0;
720
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]721 t->smi_count = 0;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]722 t->extra_delta32 = 0;
723 t->extra_delta64 = 0;
724
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]725 /* tells format_counters to dump all fields from this set */
726 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
727
728 c->c3 = 0;
729 c->c6 = 0;
730 c->c7 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]731 c->core_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]732
733 p->pc2 = 0;
734 p->pc3 = 0;
735 p->pc6 = 0;
736 p->pc7 = 0;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]737 p->pc8 = 0;
738 p->pc9 = 0;
739 p->pc10 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]740
741 p->energy_pkg = 0;
742 p->energy_dram = 0;
743 p->energy_cores = 0;
744 p->energy_gfx = 0;
745 p->rapl_pkg_perf_status = 0;
746 p->rapl_dram_perf_status = 0;
747 p->pkg_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]748}
749int sum_counters(struct thread_data *t, struct core_data *c,
750 struct pkg_data *p)
751{
752 average.threads.tsc += t->tsc;
753 average.threads.aperf += t->aperf;
754 average.threads.mperf += t->mperf;
755 average.threads.c1 += t->c1;
756
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]757 average.threads.extra_delta32 += t->extra_delta32;
758 average.threads.extra_delta64 += t->extra_delta64;
759
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]760 /* sum per-core values only for 1st thread in core */
761 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
762 return 0;
763
764 average.cores.c3 += c->c3;
765 average.cores.c6 += c->c6;
766 average.cores.c7 += c->c7;
767
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]768 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
769
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]770 /* sum per-pkg values only for 1st core in pkg */
771 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
772 return 0;
773
774 average.packages.pc2 += p->pc2;
775 average.packages.pc3 += p->pc3;
776 average.packages.pc6 += p->pc6;
777 average.packages.pc7 += p->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]778 average.packages.pc8 += p->pc8;
779 average.packages.pc9 += p->pc9;
780 average.packages.pc10 += p->pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]781
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]782 average.packages.energy_pkg += p->energy_pkg;
783 average.packages.energy_dram += p->energy_dram;
784 average.packages.energy_cores += p->energy_cores;
785 average.packages.energy_gfx += p->energy_gfx;
786
787 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
788
789 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
790 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]791 return 0;
792}
793/*
794 * sum the counters for all cpus in the system
795 * compute the weighted average
796 */
797void compute_average(struct thread_data *t, struct core_data *c,
798 struct pkg_data *p)
799{
800 clear_counters(&average.threads, &average.cores, &average.packages);
801
802 for_all_cpus(sum_counters, t, c, p);
803
804 average.threads.tsc /= topo.num_cpus;
805 average.threads.aperf /= topo.num_cpus;
806 average.threads.mperf /= topo.num_cpus;
807 average.threads.c1 /= topo.num_cpus;
808
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]809 average.threads.extra_delta32 /= topo.num_cpus;
810 average.threads.extra_delta32 &= 0xFFFFFFFF;
811
812 average.threads.extra_delta64 /= topo.num_cpus;
813
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]814 average.cores.c3 /= topo.num_cores;
815 average.cores.c6 /= topo.num_cores;
816 average.cores.c7 /= topo.num_cores;
817
818 average.packages.pc2 /= topo.num_packages;
819 average.packages.pc3 /= topo.num_packages;
820 average.packages.pc6 /= topo.num_packages;
821 average.packages.pc7 /= topo.num_packages;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]822
823 average.packages.pc8 /= topo.num_packages;
824 average.packages.pc9 /= topo.num_packages;
825 average.packages.pc10 /= topo.num_packages;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]826}
827
828static unsigned long long rdtsc(void)
829{
830 unsigned int low, high;
831
832 asm volatile("rdtsc" : "=a" (low), "=d" (high));
833
834 return low | ((unsigned long long)high) << 32;
835}
836
837
838/*
839 * get_counters(...)
840 * migrate to cpu
841 * acquire and record local counters for that cpu
842 */
843int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
844{
845 int cpu = t->cpu_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]846 unsigned long long msr;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]847
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]848 if (cpu_migrate(cpu)) {
849 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]850 return -1;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]851 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]852
853 t->tsc = rdtsc(); /* we are running on local CPU of interest */
854
855 if (has_aperf) {
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]856 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]857 return -3;
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]858 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]859 return -4;
860 }
861
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]862 if (do_smi) {
863 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
864 return -5;
865 t->smi_count = msr & 0xFFFFFFFF;
866 }
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]867 if (extra_delta_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]868 if (get_msr(cpu, extra_delta_offset32, &msr))
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]869 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]870 t->extra_delta32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]871 }
872
873 if (extra_delta_offset64)
874 if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
875 return -5;
876
877 if (extra_msr_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]878 if (get_msr(cpu, extra_msr_offset32, &msr))
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]879 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]880 t->extra_msr32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]881 }
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]882
883 if (extra_msr_offset64)
884 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]885 return -5;
886
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]887 if (use_c1_residency_msr) {
888 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
889 return -6;
890 }
891
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]892 /* collect core counters only for 1st thread in core */
893 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
894 return 0;
895
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]896 if (do_nhm_cstates && !do_slm_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]897 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
898 return -6;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]899 }
900
901 if (do_nhm_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]902 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
903 return -7;
904 }
905
906 if (do_snb_cstates)
907 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
908 return -8;
909
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]910 if (do_dts) {
911 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
912 return -9;
913 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
914 }
915
916
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]917 /* collect package counters only for 1st core in package */
918 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
919 return 0;
920
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]921 if (do_nhm_cstates && !do_slm_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]922 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
923 return -9;
924 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
925 return -10;
926 }
927 if (do_snb_cstates) {
928 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
929 return -11;
930 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
931 return -12;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]932 }
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]933 if (do_c8_c9_c10) {
934 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
935 return -13;
936 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
937 return -13;
938 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
939 return -13;
940 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]941 if (do_rapl & RAPL_PKG) {
942 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
943 return -13;
944 p->energy_pkg = msr & 0xFFFFFFFF;
945 }
946 if (do_rapl & RAPL_CORES) {
947 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
948 return -14;
949 p->energy_cores = msr & 0xFFFFFFFF;
950 }
951 if (do_rapl & RAPL_DRAM) {
952 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
953 return -15;
954 p->energy_dram = msr & 0xFFFFFFFF;
955 }
956 if (do_rapl & RAPL_GFX) {
957 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
958 return -16;
959 p->energy_gfx = msr & 0xFFFFFFFF;
960 }
961 if (do_rapl & RAPL_PKG_PERF_STATUS) {
962 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
963 return -16;
964 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
965 }
966 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
967 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
968 return -16;
969 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
970 }
971 if (do_ptm) {
972 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
973 return -17;
974 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
975 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]976 return 0;
977}
978
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]979void print_verbose_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]980{
981 unsigned long long msr;
982 unsigned int ratio;
983
984 if (!do_nehalem_platform_info)
985 return;
986
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]987 get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]988
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]989 fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]990
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]991 ratio = (msr >> 40) & 0xFF;
992 fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
993 ratio, bclk, ratio * bclk);
994
995 ratio = (msr >> 8) & 0xFF;
996 fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
997 ratio, bclk, ratio * bclk);
998
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]999 get_msr(0, MSR_IA32_POWER_CTL, &msr);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1000 fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]1001 msr, msr & 0x2 ? "EN" : "DIS");
1002
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1003 if (!do_ivt_turbo_ratio_limit)
1004 goto print_nhm_turbo_ratio_limits;
1005
1006 get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
1007
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]1008 fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1009
1010 ratio = (msr >> 56) & 0xFF;
1011 if (ratio)
1012 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
1013 ratio, bclk, ratio * bclk);
1014
1015 ratio = (msr >> 48) & 0xFF;
1016 if (ratio)
1017 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
1018 ratio, bclk, ratio * bclk);
1019
1020 ratio = (msr >> 40) & 0xFF;
1021 if (ratio)
1022 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
1023 ratio, bclk, ratio * bclk);
1024
1025 ratio = (msr >> 32) & 0xFF;
1026 if (ratio)
1027 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
1028 ratio, bclk, ratio * bclk);
1029
1030 ratio = (msr >> 24) & 0xFF;
1031 if (ratio)
1032 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
1033 ratio, bclk, ratio * bclk);
1034
1035 ratio = (msr >> 16) & 0xFF;
1036 if (ratio)
1037 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
1038 ratio, bclk, ratio * bclk);
1039
1040 ratio = (msr >> 8) & 0xFF;
1041 if (ratio)
1042 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
1043 ratio, bclk, ratio * bclk);
1044
1045 ratio = (msr >> 0) & 0xFF;
1046 if (ratio)
1047 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
1048 ratio, bclk, ratio * bclk);
1049
1050print_nhm_turbo_ratio_limits:
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1051 get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
1052
1053#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
1054#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
1055
1056 fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
1057
1058 fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: ",
1059 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
1060 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
1061 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
1062 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
1063 (msr & (1 << 15)) ? "" : "UN",
1064 (unsigned int)msr & 7);
1065
1066
1067 switch(msr & 0x7) {
1068 case 0:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1069 fprintf(stderr, do_slm_cstates ? "no pkg states" : "pc0");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1070 break;
1071 case 1:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1072 fprintf(stderr, do_slm_cstates ? "no pkg states" : do_snb_cstates ? "pc2" : "pc0");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1073 break;
1074 case 2:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1075 fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc6-noret" : "pc3");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1076 break;
1077 case 3:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1078 fprintf(stderr, do_slm_cstates ? "invalid" : "pc6");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1079 break;
1080 case 4:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1081 fprintf(stderr, do_slm_cstates ? "pc4" : "pc7");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1082 break;
1083 case 5:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1084 fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc7s" : "invalid");
1085 break;
1086 case 6:
1087 fprintf(stderr, do_slm_cstates ? "pc6" : "invalid");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1088 break;
1089 case 7:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1090 fprintf(stderr, do_slm_cstates ? "pc7" : "unlimited");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1091 break;
1092 default:
1093 fprintf(stderr, "invalid");
1094 }
1095 fprintf(stderr, ")\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1096
1097 if (!do_nehalem_turbo_ratio_limit)
1098 return;
1099
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]1100 get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1101
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]1102 fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1103
1104 ratio = (msr >> 56) & 0xFF;
1105 if (ratio)
1106 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1107 ratio, bclk, ratio * bclk);
1108
1109 ratio = (msr >> 48) & 0xFF;
1110 if (ratio)
1111 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1112 ratio, bclk, ratio * bclk);
1113
1114 ratio = (msr >> 40) & 0xFF;
1115 if (ratio)
1116 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1117 ratio, bclk, ratio * bclk);
1118
1119 ratio = (msr >> 32) & 0xFF;
1120 if (ratio)
1121 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1122 ratio, bclk, ratio * bclk);
1123
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1124 ratio = (msr >> 24) & 0xFF;
1125 if (ratio)
1126 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1127 ratio, bclk, ratio * bclk);
1128
1129 ratio = (msr >> 16) & 0xFF;
1130 if (ratio)
1131 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1132 ratio, bclk, ratio * bclk);
1133
1134 ratio = (msr >> 8) & 0xFF;
1135 if (ratio)
1136 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1137 ratio, bclk, ratio * bclk);
1138
1139 ratio = (msr >> 0) & 0xFF;
1140 if (ratio)
1141 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1142 ratio, bclk, ratio * bclk);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1143}
1144
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1145void free_all_buffers(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1146{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1147 CPU_FREE(cpu_present_set);
1148 cpu_present_set = NULL;
1149 cpu_present_set = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1150
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1151 CPU_FREE(cpu_affinity_set);
1152 cpu_affinity_set = NULL;
1153 cpu_affinity_setsize = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1154
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1155 free(thread_even);
1156 free(core_even);
1157 free(package_even);
1158
1159 thread_even = NULL;
1160 core_even = NULL;
1161 package_even = NULL;
1162
1163 free(thread_odd);
1164 free(core_odd);
1165 free(package_odd);
1166
1167 thread_odd = NULL;
1168 core_odd = NULL;
1169 package_odd = NULL;
1170
1171 free(output_buffer);
1172 output_buffer = NULL;
1173 outp = NULL;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1174}
1175
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1176/*
1177 * cpu_is_first_sibling_in_core(cpu)
1178 * return 1 if given CPU is 1st HT sibling in the core
1179 */
1180int cpu_is_first_sibling_in_core(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1181{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1182 char path[64];
1183 FILE *filep;
1184 int first_cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1185
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1186 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1187 filep = fopen(path, "r");
1188 if (filep == NULL) {
1189 perror(path);
1190 exit(1);
1191 }
1192 fscanf(filep, "%d", &first_cpu);
1193 fclose(filep);
1194 return (cpu == first_cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1195}
1196
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1197/*
1198 * cpu_is_first_core_in_package(cpu)
1199 * return 1 if given CPU is 1st core in package
1200 */
1201int cpu_is_first_core_in_package(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1202{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1203 char path[64];
1204 FILE *filep;
1205 int first_cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1206
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1207 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
1208 filep = fopen(path, "r");
1209 if (filep == NULL) {
1210 perror(path);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1211 exit(1);
1212 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1213 fscanf(filep, "%d", &first_cpu);
1214 fclose(filep);
1215 return (cpu == first_cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1216}
1217
1218int get_physical_package_id(int cpu)
1219{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1220 char path[80];
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1221 FILE *filep;
1222 int pkg;
1223
1224 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
1225 filep = fopen(path, "r");
1226 if (filep == NULL) {
1227 perror(path);
1228 exit(1);
1229 }
1230 fscanf(filep, "%d", &pkg);
1231 fclose(filep);
1232 return pkg;
1233}
1234
1235int get_core_id(int cpu)
1236{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1237 char path[80];
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1238 FILE *filep;
1239 int core;
1240
1241 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
1242 filep = fopen(path, "r");
1243 if (filep == NULL) {
1244 perror(path);
1245 exit(1);
1246 }
1247 fscanf(filep, "%d", &core);
1248 fclose(filep);
1249 return core;
1250}
1251
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1252int get_num_ht_siblings(int cpu)
1253{
1254 char path[80];
1255 FILE *filep;
1256 int sib1, sib2;
1257 int matches;
1258 char character;
1259
1260 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1261 filep = fopen(path, "r");
1262 if (filep == NULL) {
1263 perror(path);
1264 exit(1);
1265 }
1266 /*
1267 * file format:
1268 * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
1269 * otherwinse 1 sibling (self).
1270 */
1271 matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
1272
1273 fclose(filep);
1274
1275 if (matches == 3)
1276 return 2;
1277 else
1278 return 1;
1279}
1280
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1281/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1282 * run func(thread, core, package) in topology order
1283 * skip non-present cpus
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1284 */
1285
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1286int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
1287 struct pkg_data *, struct thread_data *, struct core_data *,
1288 struct pkg_data *), struct thread_data *thread_base,
1289 struct core_data *core_base, struct pkg_data *pkg_base,
1290 struct thread_data *thread_base2, struct core_data *core_base2,
1291 struct pkg_data *pkg_base2)
1292{
1293 int retval, pkg_no, core_no, thread_no;
1294
1295 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1296 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
1297 for (thread_no = 0; thread_no <
1298 topo.num_threads_per_core; ++thread_no) {
1299 struct thread_data *t, *t2;
1300 struct core_data *c, *c2;
1301 struct pkg_data *p, *p2;
1302
1303 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
1304
1305 if (cpu_is_not_present(t->cpu_id))
1306 continue;
1307
1308 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
1309
1310 c = GET_CORE(core_base, core_no, pkg_no);
1311 c2 = GET_CORE(core_base2, core_no, pkg_no);
1312
1313 p = GET_PKG(pkg_base, pkg_no);
1314 p2 = GET_PKG(pkg_base2, pkg_no);
1315
1316 retval = func(t, c, p, t2, c2, p2);
1317 if (retval)
1318 return retval;
1319 }
1320 }
1321 }
1322 return 0;
1323}
1324
1325/*
1326 * run func(cpu) on every cpu in /proc/stat
1327 * return max_cpu number
1328 */
1329int for_all_proc_cpus(int (func)(int))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1330{
1331 FILE *fp;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1332 int cpu_num;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1333 int retval;
1334
1335 fp = fopen(proc_stat, "r");
1336 if (fp == NULL) {
1337 perror(proc_stat);
1338 exit(1);
1339 }
1340
1341 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
1342 if (retval != 0) {
1343 perror("/proc/stat format");
1344 exit(1);
1345 }
1346
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1347 while (1) {
1348 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]1349 if (retval != 1)
1350 break;
1351
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1352 retval = func(cpu_num);
1353 if (retval) {
1354 fclose(fp);
1355 return(retval);
1356 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1357 }
1358 fclose(fp);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1359 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1360}
1361
1362void re_initialize(void)
1363{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1364 free_all_buffers();
1365 setup_all_buffers();
1366 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1367}
1368
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1369
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1370/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1371 * count_cpus()
1372 * remember the last one seen, it will be the max
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1373 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1374int count_cpus(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1375{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1376 if (topo.max_cpu_num < cpu)
1377 topo.max_cpu_num = cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1378
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1379 topo.num_cpus += 1;
1380 return 0;
1381}
1382int mark_cpu_present(int cpu)
1383{
1384 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1385 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1386}
1387
1388void turbostat_loop()
1389{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1390 int retval;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1391 int restarted = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1392
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1393restart:
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1394 restarted++;
1395
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1396 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1397 if (retval < -1) {
1398 exit(retval);
1399 } else if (retval == -1) {
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1400 if (restarted > 1) {
1401 exit(retval);
1402 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1403 re_initialize();
1404 goto restart;
1405 }
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1406 restarted = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1407 gettimeofday(&tv_even, (struct timezone *)NULL);
1408
1409 while (1) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1410 if (for_all_proc_cpus(cpu_is_not_present)) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1411 re_initialize();
1412 goto restart;
1413 }
1414 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1415 retval = for_all_cpus(get_counters, ODD_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1416 if (retval < -1) {
1417 exit(retval);
1418 } else if (retval == -1) {
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1419 re_initialize();
1420 goto restart;
1421 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1422 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1423 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1424 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
1425 compute_average(EVEN_COUNTERS);
1426 format_all_counters(EVEN_COUNTERS);
1427 flush_stdout();
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1428 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1429 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1430 if (retval < -1) {
1431 exit(retval);
1432 } else if (retval == -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1433 re_initialize();
1434 goto restart;
1435 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1436 gettimeofday(&tv_even, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1437 timersub(&tv_even, &tv_odd, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1438 for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
1439 compute_average(ODD_COUNTERS);
1440 format_all_counters(ODD_COUNTERS);
1441 flush_stdout();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1442 }
1443}
1444
1445void check_dev_msr()
1446{
1447 struct stat sb;
1448
1449 if (stat("/dev/cpu/0/msr", &sb)) {
1450 fprintf(stderr, "no /dev/cpu/0/msr\n");
1451 fprintf(stderr, "Try \"# modprobe msr\"\n");
1452 exit(-5);
1453 }
1454}
1455
1456void check_super_user()
1457{
1458 if (getuid() != 0) {
1459 fprintf(stderr, "must be root\n");
1460 exit(-6);
1461 }
1462}
1463
1464int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
1465{
1466 if (!genuine_intel)
1467 return 0;
1468
1469 if (family != 6)
1470 return 0;
1471
1472 switch (model) {
1473 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1474 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1475 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1476 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1477 case 0x2C: /* Westmere EP - Gulftown */
1478 case 0x2A: /* SNB */
1479 case 0x2D: /* SNB Xeon */
Len Brown553575f2011-11-18 03:32:01 -0500[diff] [blame]1480 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]1481 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1482 case 0x3C: /* HSW */
1483 case 0x3F: /* HSW */
1484 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1485 case 0x46: /* HSW */
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1486 case 0x37: /* BYT */
1487 case 0x4D: /* AVN */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1488 return 1;
1489 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1490 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1491 default:
1492 return 0;
1493 }
1494}
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1495int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
1496{
1497 if (!genuine_intel)
1498 return 0;
1499
1500 if (family != 6)
1501 return 0;
1502
1503 switch (model) {
1504 case 0x3E: /* IVB Xeon */
1505 return 1;
1506 default:
1507 return 0;
1508 }
1509}
1510
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1511/*
1512 * print_epb()
1513 * Decode the ENERGY_PERF_BIAS MSR
1514 */
1515int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1516{
1517 unsigned long long msr;
1518 char *epb_string;
1519 int cpu;
1520
1521 if (!has_epb)
1522 return 0;
1523
1524 cpu = t->cpu_id;
1525
1526 /* EPB is per-package */
1527 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1528 return 0;
1529
1530 if (cpu_migrate(cpu)) {
1531 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1532 return -1;
1533 }
1534
1535 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
1536 return 0;
1537
1538 switch (msr & 0x7) {
1539 case ENERGY_PERF_BIAS_PERFORMANCE:
1540 epb_string = "performance";
1541 break;
1542 case ENERGY_PERF_BIAS_NORMAL:
1543 epb_string = "balanced";
1544 break;
1545 case ENERGY_PERF_BIAS_POWERSAVE:
1546 epb_string = "powersave";
1547 break;
1548 default:
1549 epb_string = "custom";
1550 break;
1551 }
1552 fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
1553
1554 return 0;
1555}
1556
1557#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
1558#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
1559
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1560double get_tdp(model)
1561{
1562 unsigned long long msr;
1563
1564 if (do_rapl & RAPL_PKG_POWER_INFO)
1565 if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
1566 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
1567
1568 switch (model) {
1569 case 0x37:
1570 case 0x4D:
1571 return 30.0;
1572 default:
1573 return 135.0;
1574 }
1575}
1576
1577
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1578/*
1579 * rapl_probe()
1580 *
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1581 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1582 */
1583void rapl_probe(unsigned int family, unsigned int model)
1584{
1585 unsigned long long msr;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1586 unsigned int time_unit;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1587 double tdp;
1588
1589 if (!genuine_intel)
1590 return;
1591
1592 if (family != 6)
1593 return;
1594
1595 switch (model) {
1596 case 0x2A:
1597 case 0x3A:
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1598 case 0x3C: /* HSW */
1599 case 0x3F: /* HSW */
1600 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1601 case 0x46: /* HSW */
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1602 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]1603 break;
1604 case 0x2D:
1605 case 0x3E:
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1606 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
1607 break;
1608 case 0x37: /* BYT */
1609 case 0x4D: /* AVN */
1610 do_rapl = RAPL_PKG | RAPL_CORES ;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1611 break;
1612 default:
1613 return;
1614 }
1615
1616 /* units on package 0, verify later other packages match */
1617 if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
1618 return;
1619
1620 rapl_power_units = 1.0 / (1 << (msr & 0xF));
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1621 if (model == 0x37)
1622 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
1623 else
1624 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1625
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1626 time_unit = msr >> 16 & 0xF;
1627 if (time_unit == 0)
1628 time_unit = 0xA;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1629
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1630 rapl_time_units = 1.0 / (1 << (time_unit));
1631
1632 tdp = get_tdp(model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1633
1634 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1635 if (verbose)
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1636 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]1637
1638 return;
1639}
1640
1641int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1642{
1643 unsigned long long msr;
1644 unsigned int dts;
1645 int cpu;
1646
1647 if (!(do_dts || do_ptm))
1648 return 0;
1649
1650 cpu = t->cpu_id;
1651
1652 /* DTS is per-core, no need to print for each thread */
1653 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1654 return 0;
1655
1656 if (cpu_migrate(cpu)) {
1657 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1658 return -1;
1659 }
1660
1661 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
1662 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1663 return 0;
1664
1665 dts = (msr >> 16) & 0x7F;
1666 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
1667 cpu, msr, tcc_activation_temp - dts);
1668
1669#ifdef THERM_DEBUG
1670 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
1671 return 0;
1672
1673 dts = (msr >> 16) & 0x7F;
1674 dts2 = (msr >> 8) & 0x7F;
1675 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1676 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1677#endif
1678 }
1679
1680
1681 if (do_dts) {
1682 unsigned int resolution;
1683
1684 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1685 return 0;
1686
1687 dts = (msr >> 16) & 0x7F;
1688 resolution = (msr >> 27) & 0xF;
1689 fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
1690 cpu, msr, tcc_activation_temp - dts, resolution);
1691
1692#ifdef THERM_DEBUG
1693 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
1694 return 0;
1695
1696 dts = (msr >> 16) & 0x7F;
1697 dts2 = (msr >> 8) & 0x7F;
1698 fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1699 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1700#endif
1701 }
1702
1703 return 0;
1704}
1705
1706void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
1707{
1708 fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
1709 cpu, label,
1710 ((msr >> 15) & 1) ? "EN" : "DIS",
1711 ((msr >> 0) & 0x7FFF) * rapl_power_units,
1712 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
1713 (((msr >> 16) & 1) ? "EN" : "DIS"));
1714
1715 return;
1716}
1717
1718int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1719{
1720 unsigned long long msr;
1721 int cpu;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1722
1723 if (!do_rapl)
1724 return 0;
1725
1726 /* RAPL counters are per package, so print only for 1st thread/package */
1727 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1728 return 0;
1729
1730 cpu = t->cpu_id;
1731 if (cpu_migrate(cpu)) {
1732 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1733 return -1;
1734 }
1735
1736 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
1737 return -1;
1738
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1739 if (verbose) {
1740 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
1741 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1742 rapl_power_units, rapl_energy_units, rapl_time_units);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1743 }
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1744 if (do_rapl & RAPL_PKG_POWER_INFO) {
1745
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1746 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
1747 return -5;
1748
1749
1750 fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1751 cpu, msr,
1752 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1753 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1754 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1755 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1756
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1757 }
1758 if (do_rapl & RAPL_PKG) {
1759
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1760 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
1761 return -9;
1762
1763 fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
1764 cpu, msr, (msr >> 63) & 1 ? "": "UN");
1765
1766 print_power_limit_msr(cpu, msr, "PKG Limit #1");
1767 fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
1768 cpu,
1769 ((msr >> 47) & 1) ? "EN" : "DIS",
1770 ((msr >> 32) & 0x7FFF) * rapl_power_units,
1771 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
1772 ((msr >> 48) & 1) ? "EN" : "DIS");
1773 }
1774
1775 if (do_rapl & RAPL_DRAM) {
1776 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
1777 return -6;
1778
1779
1780 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1781 cpu, msr,
1782 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1783 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1784 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1785 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1786
1787
1788 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
1789 return -9;
1790 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
1791 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1792
1793 print_power_limit_msr(cpu, msr, "DRAM Limit");
1794 }
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1795 if (do_rapl & RAPL_CORE_POLICY) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1796 if (verbose) {
1797 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
1798 return -7;
1799
1800 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1801 }
1802 }
1803 if (do_rapl & RAPL_CORES) {
1804 if (verbose) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1805
1806 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
1807 return -9;
1808 fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
1809 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1810 print_power_limit_msr(cpu, msr, "Cores Limit");
1811 }
1812 }
1813 if (do_rapl & RAPL_GFX) {
1814 if (verbose) {
1815 if (get_msr(cpu, MSR_PP1_POLICY, &msr))
1816 return -8;
1817
1818 fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
1819
1820 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
1821 return -9;
1822 fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
1823 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1824 print_power_limit_msr(cpu, msr, "GFX Limit");
1825 }
1826 }
1827 return 0;
1828}
1829
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1830
1831int is_snb(unsigned int family, unsigned int model)
1832{
1833 if (!genuine_intel)
1834 return 0;
1835
1836 switch (model) {
1837 case 0x2A:
1838 case 0x2D:
Len Brown650a37f2012-06-03 23:34:44 -0400[diff] [blame]1839 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]1840 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1841 case 0x3C: /* HSW */
1842 case 0x3F: /* HSW */
1843 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1844 case 0x46: /* HSW */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1845 return 1;
1846 }
1847 return 0;
1848}
1849
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]1850int has_c8_c9_c10(unsigned int family, unsigned int model)
1851{
1852 if (!genuine_intel)
1853 return 0;
1854
1855 switch (model) {
1856 case 0x45:
1857 return 1;
1858 }
1859 return 0;
1860}
1861
1862
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1863int is_slm(unsigned int family, unsigned int model)
1864{
1865 if (!genuine_intel)
1866 return 0;
1867 switch (model) {
1868 case 0x37: /* BYT */
1869 case 0x4D: /* AVN */
1870 return 1;
1871 }
1872 return 0;
1873}
1874
1875#define SLM_BCLK_FREQS 5
1876double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
1877
1878double slm_bclk(void)
1879{
1880 unsigned long long msr = 3;
1881 unsigned int i;
1882 double freq;
1883
1884 if (get_msr(0, MSR_FSB_FREQ, &msr))
1885 fprintf(stderr, "SLM BCLK: unknown\n");
1886
1887 i = msr & 0xf;
1888 if (i >= SLM_BCLK_FREQS) {
1889 fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
1890 msr = 3;
1891 }
1892 freq = slm_freq_table[i];
1893
1894 fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
1895
1896 return freq;
1897}
1898
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1899double discover_bclk(unsigned int family, unsigned int model)
1900{
1901 if (is_snb(family, model))
1902 return 100.00;
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1903 else if (is_slm(family, model))
1904 return slm_bclk();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1905 else
1906 return 133.33;
1907}
1908
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1909/*
1910 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
1911 * the Thermal Control Circuit (TCC) activates.
1912 * This is usually equal to tjMax.
1913 *
1914 * Older processors do not have this MSR, so there we guess,
1915 * but also allow cmdline over-ride with -T.
1916 *
1917 * Several MSR temperature values are in units of degrees-C
1918 * below this value, including the Digital Thermal Sensor (DTS),
1919 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
1920 */
1921int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1922{
1923 unsigned long long msr;
1924 unsigned int target_c_local;
1925 int cpu;
1926
1927 /* tcc_activation_temp is used only for dts or ptm */
1928 if (!(do_dts || do_ptm))
1929 return 0;
1930
1931 /* this is a per-package concept */
1932 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1933 return 0;
1934
1935 cpu = t->cpu_id;
1936 if (cpu_migrate(cpu)) {
1937 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1938 return -1;
1939 }
1940
1941 if (tcc_activation_temp_override != 0) {
1942 tcc_activation_temp = tcc_activation_temp_override;
1943 fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
1944 cpu, tcc_activation_temp);
1945 return 0;
1946 }
1947
1948 /* Temperature Target MSR is Nehalem and newer only */
1949 if (!do_nehalem_platform_info)
1950 goto guess;
1951
1952 if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
1953 goto guess;
1954
1955 target_c_local = (msr >> 16) & 0x7F;
1956
1957 if (verbose)
1958 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
1959 cpu, msr, target_c_local);
1960
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]1961 if (target_c_local < 85 || target_c_local > 127)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1962 goto guess;
1963
1964 tcc_activation_temp = target_c_local;
1965
1966 return 0;
1967
1968guess:
1969 tcc_activation_temp = TJMAX_DEFAULT;
1970 fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
1971 cpu, tcc_activation_temp);
1972
1973 return 0;
1974}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1975void check_cpuid()
1976{
1977 unsigned int eax, ebx, ecx, edx, max_level;
1978 unsigned int fms, family, model, stepping;
1979
1980 eax = ebx = ecx = edx = 0;
1981
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]1982 __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1983
1984 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
1985 genuine_intel = 1;
1986
1987 if (verbose)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1988 fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1989 (char *)&ebx, (char *)&edx, (char *)&ecx);
1990
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]1991 __get_cpuid(1, &fms, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1992 family = (fms >> 8) & 0xf;
1993 model = (fms >> 4) & 0xf;
1994 stepping = fms & 0xf;
1995 if (family == 6 || family == 0xf)
1996 model += ((fms >> 16) & 0xf) << 4;
1997
1998 if (verbose)
1999 fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
2000 max_level, family, model, stepping, family, model, stepping);
2001
2002 if (!(edx & (1 << 5))) {
2003 fprintf(stderr, "CPUID: no MSR\n");
2004 exit(1);
2005 }
2006
2007 /*
2008 * check max extended function levels of CPUID.
2009 * This is needed to check for invariant TSC.
2010 * This check is valid for both Intel and AMD.
2011 */
2012 ebx = ecx = edx = 0;
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]2013 __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2014
2015 if (max_level < 0x80000007) {
2016 fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level);
2017 exit(1);
2018 }
2019
2020 /*
2021 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
2022 * this check is valid for both Intel and AMD
2023 */
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]2024 __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
Thomas Renninger8209e052011-01-21 15:11:19 +0100[diff] [blame]2025 has_invariant_tsc = edx & (1 << 8);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2026
2027 if (!has_invariant_tsc) {
2028 fprintf(stderr, "No invariant TSC\n");
2029 exit(1);
2030 }
2031
2032 /*
2033 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
2034 * this check is valid for both Intel and AMD
2035 */
2036
Josh Triplett2b928652013-08-20 17:20:14 -0700[diff] [blame^]2037 __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
Thomas Renninger8209e052011-01-21 15:11:19 +0100[diff] [blame]2038 has_aperf = ecx & (1 << 0);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2039 do_dts = eax & (1 << 0);
2040 do_ptm = eax & (1 << 6);
2041 has_epb = ecx & (1 << 3);
2042
2043 if (verbose)
2044 fprintf(stderr, "CPUID(6): %s%s%s%s\n",
2045 has_aperf ? "APERF" : "No APERF!",
2046 do_dts ? ", DTS" : "",
2047 do_ptm ? ", PTM": "",
2048 has_epb ? ", EPB": "");
2049
2050 if (!has_aperf)
2051 exit(-1);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2052
2053 do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
2054 do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]2055 do_smi = do_nhm_cstates;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2056 do_snb_cstates = is_snb(family, model);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]2057 do_c8_c9_c10 = has_c8_c9_c10(family, model);
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2058 do_slm_cstates = is_slm(family, model);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2059 bclk = discover_bclk(family, model);
2060
2061 do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]2062 do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2063 rapl_probe(family, model);
2064
2065 return;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2066}
2067
2068
2069void usage()
2070{
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2071 fprintf(stderr, "%s: [-v][-R][-T][-p|-P|-S][-c MSR# | -s]][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2072 progname);
2073 exit(1);
2074}
2075
2076
2077/*
2078 * in /dev/cpu/ return success for names that are numbers
2079 * ie. filter out ".", "..", "microcode".
2080 */
2081int dir_filter(const struct dirent *dirp)
2082{
2083 if (isdigit(dirp->d_name[0]))
2084 return 1;
2085 else
2086 return 0;
2087}
2088
2089int open_dev_cpu_msr(int dummy1)
2090{
2091 return 0;
2092}
2093
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2094void topology_probe()
2095{
2096 int i;
2097 int max_core_id = 0;
2098 int max_package_id = 0;
2099 int max_siblings = 0;
2100 struct cpu_topology {
2101 int core_id;
2102 int physical_package_id;
2103 } *cpus;
2104
2105 /* Initialize num_cpus, max_cpu_num */
2106 topo.num_cpus = 0;
2107 topo.max_cpu_num = 0;
2108 for_all_proc_cpus(count_cpus);
2109 if (!summary_only && topo.num_cpus > 1)
2110 show_cpu = 1;
2111
2112 if (verbose > 1)
2113 fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
2114
2115 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
2116 if (cpus == NULL) {
2117 perror("calloc cpus");
2118 exit(1);
2119 }
2120
2121 /*
2122 * Allocate and initialize cpu_present_set
2123 */
2124 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
2125 if (cpu_present_set == NULL) {
2126 perror("CPU_ALLOC");
2127 exit(3);
2128 }
2129 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2130 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
2131 for_all_proc_cpus(mark_cpu_present);
2132
2133 /*
2134 * Allocate and initialize cpu_affinity_set
2135 */
2136 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
2137 if (cpu_affinity_set == NULL) {
2138 perror("CPU_ALLOC");
2139 exit(3);
2140 }
2141 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2142 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
2143
2144
2145 /*
2146 * For online cpus
2147 * find max_core_id, max_package_id
2148 */
2149 for (i = 0; i <= topo.max_cpu_num; ++i) {
2150 int siblings;
2151
2152 if (cpu_is_not_present(i)) {
2153 if (verbose > 1)
2154 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
2155 continue;
2156 }
2157 cpus[i].core_id = get_core_id(i);
2158 if (cpus[i].core_id > max_core_id)
2159 max_core_id = cpus[i].core_id;
2160
2161 cpus[i].physical_package_id = get_physical_package_id(i);
2162 if (cpus[i].physical_package_id > max_package_id)
2163 max_package_id = cpus[i].physical_package_id;
2164
2165 siblings = get_num_ht_siblings(i);
2166 if (siblings > max_siblings)
2167 max_siblings = siblings;
2168 if (verbose > 1)
2169 fprintf(stderr, "cpu %d pkg %d core %d\n",
2170 i, cpus[i].physical_package_id, cpus[i].core_id);
2171 }
2172 topo.num_cores_per_pkg = max_core_id + 1;
2173 if (verbose > 1)
2174 fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
2175 max_core_id, topo.num_cores_per_pkg);
2176 if (!summary_only && topo.num_cores_per_pkg > 1)
2177 show_core = 1;
2178
2179 topo.num_packages = max_package_id + 1;
2180 if (verbose > 1)
2181 fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
2182 max_package_id, topo.num_packages);
2183 if (!summary_only && topo.num_packages > 1)
2184 show_pkg = 1;
2185
2186 topo.num_threads_per_core = max_siblings;
2187 if (verbose > 1)
2188 fprintf(stderr, "max_siblings %d\n", max_siblings);
2189
2190 free(cpus);
2191}
2192
2193void
2194allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
2195{
2196 int i;
2197
2198 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
2199 topo.num_packages, sizeof(struct thread_data));
2200 if (*t == NULL)
2201 goto error;
2202
2203 for (i = 0; i < topo.num_threads_per_core *
2204 topo.num_cores_per_pkg * topo.num_packages; i++)
2205 (*t)[i].cpu_id = -1;
2206
2207 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
2208 sizeof(struct core_data));
2209 if (*c == NULL)
2210 goto error;
2211
2212 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
2213 (*c)[i].core_id = -1;
2214
2215 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
2216 if (*p == NULL)
2217 goto error;
2218
2219 for (i = 0; i < topo.num_packages; i++)
2220 (*p)[i].package_id = i;
2221
2222 return;
2223error:
2224 perror("calloc counters");
2225 exit(1);
2226}
2227/*
2228 * init_counter()
2229 *
2230 * set cpu_id, core_num, pkg_num
2231 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2232 *
2233 * increment topo.num_cores when 1st core in pkg seen
2234 */
2235void init_counter(struct thread_data *thread_base, struct core_data *core_base,
2236 struct pkg_data *pkg_base, int thread_num, int core_num,
2237 int pkg_num, int cpu_id)
2238{
2239 struct thread_data *t;
2240 struct core_data *c;
2241 struct pkg_data *p;
2242
2243 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
2244 c = GET_CORE(core_base, core_num, pkg_num);
2245 p = GET_PKG(pkg_base, pkg_num);
2246
2247 t->cpu_id = cpu_id;
2248 if (thread_num == 0) {
2249 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
2250 if (cpu_is_first_core_in_package(cpu_id))
2251 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
2252 }
2253
2254 c->core_id = core_num;
2255 p->package_id = pkg_num;
2256}
2257
2258
2259int initialize_counters(int cpu_id)
2260{
2261 int my_thread_id, my_core_id, my_package_id;
2262
2263 my_package_id = get_physical_package_id(cpu_id);
2264 my_core_id = get_core_id(cpu_id);
2265
2266 if (cpu_is_first_sibling_in_core(cpu_id)) {
2267 my_thread_id = 0;
2268 topo.num_cores++;
2269 } else {
2270 my_thread_id = 1;
2271 }
2272
2273 init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2274 init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2275 return 0;
2276}
2277
2278void allocate_output_buffer()
2279{
Josh Triplettb844db32013-06-12 17:26:37 -0700[diff] [blame]2280 output_buffer = calloc(1, (1 + topo.num_cpus) * 256);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2281 outp = output_buffer;
2282 if (outp == NULL) {
2283 perror("calloc");
2284 exit(-1);
2285 }
2286}
2287
2288void setup_all_buffers(void)
2289{
2290 topology_probe();
2291 allocate_counters(&thread_even, &core_even, &package_even);
2292 allocate_counters(&thread_odd, &core_odd, &package_odd);
2293 allocate_output_buffer();
2294 for_all_proc_cpus(initialize_counters);
2295}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2296void turbostat_init()
2297{
2298 check_cpuid();
2299
2300 check_dev_msr();
2301 check_super_user();
2302
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2303 setup_all_buffers();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2304
2305 if (verbose)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2306 print_verbose_header();
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2307
2308 if (verbose)
2309 for_all_cpus(print_epb, ODD_COUNTERS);
2310
2311 if (verbose)
2312 for_all_cpus(print_rapl, ODD_COUNTERS);
2313
2314 for_all_cpus(set_temperature_target, ODD_COUNTERS);
2315
2316 if (verbose)
2317 for_all_cpus(print_thermal, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2318}
2319
2320int fork_it(char **argv)
2321{
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2322 pid_t child_pid;
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2323 int status;
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]2324
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2325 status = for_all_cpus(get_counters, EVEN_COUNTERS);
2326 if (status)
2327 exit(status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2328 /* clear affinity side-effect of get_counters() */
2329 sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2330 gettimeofday(&tv_even, (struct timezone *)NULL);
2331
2332 child_pid = fork();
2333 if (!child_pid) {
2334 /* child */
2335 execvp(argv[0], argv);
2336 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2337
2338 /* parent */
2339 if (child_pid == -1) {
2340 perror("fork");
2341 exit(1);
2342 }
2343
2344 signal(SIGINT, SIG_IGN);
2345 signal(SIGQUIT, SIG_IGN);
2346 if (waitpid(child_pid, &status, 0) == -1) {
2347 perror("wait");
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2348 exit(status);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2349 }
2350 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2351 /*
2352 * n.b. fork_it() does not check for errors from for_all_cpus()
2353 * because re-starting is problematic when forking
2354 */
2355 for_all_cpus(get_counters, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2356 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2357 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2358 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
2359 compute_average(EVEN_COUNTERS);
2360 format_all_counters(EVEN_COUNTERS);
2361 flush_stderr();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2362
Justin P. Mattock6eab04a2011-04-08 19:49:08 -0700[diff] [blame]2363 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]2364
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2365 return status;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2366}
2367
2368void cmdline(int argc, char **argv)
2369{
2370 int opt;
2371
2372 progname = argv[0];
2373
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2374 while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:RT:")) != -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2375 switch (opt) {
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2376 case 'p':
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2377 show_core_only++;
2378 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2379 case 'P':
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2380 show_pkg_only++;
2381 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2382 case 'S':
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]2383 summary_only++;
2384 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2385 case 'v':
2386 verbose++;
2387 break;
2388 case 'i':
2389 interval_sec = atoi(optarg);
2390 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2391 case 'c':
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]2392 sscanf(optarg, "%x", &extra_delta_offset32);
2393 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2394 case 'C':
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]2395 sscanf(optarg, "%x", &extra_delta_offset64);
2396 break;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]2397 case 'm':
2398 sscanf(optarg, "%x", &extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]2399 break;
2400 case 'M':
2401 sscanf(optarg, "%x", &extra_msr_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2402 break;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2403 case 'R':
2404 rapl_verbose++;
2405 break;
2406 case 'T':
2407 tcc_activation_temp_override = atoi(optarg);
2408 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2409 default:
2410 usage();
2411 }
2412 }
2413}
2414
2415int main(int argc, char **argv)
2416{
2417 cmdline(argc, argv);
2418
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2419 if (verbose)
Len Brown144b44b2013-11-09 00:30:16 -0500[diff] [blame]2420 fprintf(stderr, "turbostat v3.5 April 26, 2013"
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2421 " - Len Brown <lenb@kernel.org>\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2422
2423 turbostat_init();
2424
2425 /*
2426 * if any params left, it must be a command to fork
2427 */
2428 if (argc - optind)
2429 return fork_it(argv + optind);
2430 else
2431 turbostat_loop();
2432
2433 return 0;
2434}