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gerrit-public.fairphone.software / kernel / msm-4.19 / 58807a524782744aed5fb7b8fefac7134721331a / . / tools / power / x86 / turbostat / turbostat.c
blob: 9e9d348711953a44006b7c377a898e98c15b131d [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 Browne23da032012-02-06 18:37:16 -0500[diff] [blame]5 * Copyright (c) 2012 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
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]23#include <asm/msr.h>
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>
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]38
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]39char *proc_stat = "/proc/stat";
40unsigned int interval_sec = 5; /* set with -i interval_sec */
41unsigned int verbose; /* set with -v */
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]42unsigned int rapl_verbose; /* set with -R */
43unsigned int thermal_verbose; /* set with -T */
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]44unsigned int summary_only; /* set with -s */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]45unsigned int skip_c0;
46unsigned int skip_c1;
47unsigned int do_nhm_cstates;
48unsigned int do_snb_cstates;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]49unsigned int do_c8_c9_c10;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]50unsigned int has_aperf;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]51unsigned int has_epb;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]52unsigned int units = 1000000000; /* Ghz etc */
53unsigned int genuine_intel;
54unsigned int has_invariant_tsc;
55unsigned int do_nehalem_platform_info;
56unsigned int do_nehalem_turbo_ratio_limit;
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]57unsigned int do_ivt_turbo_ratio_limit;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]58unsigned int extra_msr_offset32;
59unsigned int extra_msr_offset64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]60unsigned int extra_delta_offset32;
61unsigned int extra_delta_offset64;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]62int do_smi;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]63double bclk;
64unsigned int show_pkg;
65unsigned int show_core;
66unsigned int show_cpu;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]67unsigned int show_pkg_only;
68unsigned int show_core_only;
69char *output_buffer, *outp;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]70unsigned int do_rapl;
71unsigned int do_dts;
72unsigned int do_ptm;
73unsigned int tcc_activation_temp;
74unsigned int tcc_activation_temp_override;
75double rapl_power_units, rapl_energy_units, rapl_time_units;
76double rapl_joule_counter_range;
77
78#define RAPL_PKG (1 << 0)
79#define RAPL_CORES (1 << 1)
80#define RAPL_GFX (1 << 2)
81#define RAPL_DRAM (1 << 3)
82#define RAPL_PKG_PERF_STATUS (1 << 4)
83#define RAPL_DRAM_PERF_STATUS (1 << 5)
84#define TJMAX_DEFAULT 100
85
86#define MAX(a, b) ((a) > (b) ? (a) : (b))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]87
88int aperf_mperf_unstable;
89int backwards_count;
90char *progname;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]91
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]92cpu_set_t *cpu_present_set, *cpu_affinity_set;
93size_t cpu_present_setsize, cpu_affinity_setsize;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]94
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]95struct thread_data {
96 unsigned long long tsc;
97 unsigned long long aperf;
98 unsigned long long mperf;
99 unsigned long long c1; /* derived */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]100 unsigned long long extra_msr64;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]101 unsigned long long extra_delta64;
102 unsigned long long extra_msr32;
103 unsigned long long extra_delta32;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]104 unsigned int smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]105 unsigned int cpu_id;
106 unsigned int flags;
107#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
108#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
109} *thread_even, *thread_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]110
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]111struct core_data {
112 unsigned long long c3;
113 unsigned long long c6;
114 unsigned long long c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]115 unsigned int core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]116 unsigned int core_id;
117} *core_even, *core_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]118
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]119struct pkg_data {
120 unsigned long long pc2;
121 unsigned long long pc3;
122 unsigned long long pc6;
123 unsigned long long pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]124 unsigned long long pc8;
125 unsigned long long pc9;
126 unsigned long long pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]127 unsigned int package_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]128 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
129 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
130 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
131 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
132 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
133 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
134 unsigned int pkg_temp_c;
135
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]136} *package_even, *package_odd;
137
138#define ODD_COUNTERS thread_odd, core_odd, package_odd
139#define EVEN_COUNTERS thread_even, core_even, package_even
140
141#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
142 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
143 topo.num_threads_per_core + \
144 (core_no) * topo.num_threads_per_core + (thread_no))
145#define GET_CORE(core_base, core_no, pkg_no) \
146 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
147#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
148
149struct system_summary {
150 struct thread_data threads;
151 struct core_data cores;
152 struct pkg_data packages;
153} sum, average;
154
155
156struct topo_params {
157 int num_packages;
158 int num_cpus;
159 int num_cores;
160 int max_cpu_num;
161 int num_cores_per_pkg;
162 int num_threads_per_core;
163} topo;
164
165struct timeval tv_even, tv_odd, tv_delta;
166
167void setup_all_buffers(void);
168
169int cpu_is_not_present(int cpu)
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]170{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]171 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]172}
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]173/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]174 * run func(thread, core, package) in topology order
175 * skip non-present cpus
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]176 */
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]177
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]178int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
179 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]180{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]181 int retval, pkg_no, core_no, thread_no;
182
183 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
184 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
185 for (thread_no = 0; thread_no <
186 topo.num_threads_per_core; ++thread_no) {
187 struct thread_data *t;
188 struct core_data *c;
189 struct pkg_data *p;
190
191 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
192
193 if (cpu_is_not_present(t->cpu_id))
194 continue;
195
196 c = GET_CORE(core_base, core_no, pkg_no);
197 p = GET_PKG(pkg_base, pkg_no);
198
199 retval = func(t, c, p);
200 if (retval)
201 return retval;
202 }
203 }
204 }
205 return 0;
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]206}
207
208int cpu_migrate(int cpu)
209{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]210 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
211 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
212 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
Len Brown88c32812012-03-29 21:44:40 -0400[diff] [blame]213 return -1;
214 else
215 return 0;
216}
217
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]218int get_msr(int cpu, off_t offset, unsigned long long *msr)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]219{
220 ssize_t retval;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]221 char pathname[32];
222 int fd;
223
224 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
225 fd = open(pathname, O_RDONLY);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]226 if (fd < 0)
227 return -1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]228
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]229 retval = pread(fd, msr, sizeof *msr, offset);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]230 close(fd);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]231
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]232 if (retval != sizeof *msr) {
233 fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]234 return -1;
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]235 }
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]236
237 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]238}
239
Len Browna829eb42011-02-10 23:36:34 -0500[diff] [blame]240void print_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]241{
242 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]243 outp += sprintf(outp, "pk");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]244 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]245 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]246 if (show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]247 outp += sprintf(outp, "cor");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]248 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]249 outp += sprintf(outp, " CPU");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]250 if (show_pkg || show_core || show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]251 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]252 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]253 outp += sprintf(outp, " %%c0");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]254 if (has_aperf)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]255 outp += sprintf(outp, " GHz");
256 outp += sprintf(outp, " TSC");
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]257 if (do_smi)
258 outp += sprintf(outp, " SMI");
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]259 if (extra_delta_offset32)
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]260 outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]261 if (extra_delta_offset64)
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]262 outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]263 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]264 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]265 if (extra_msr_offset64)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]266 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]267 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]268 outp += sprintf(outp, " %%c1");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]269 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]270 outp += sprintf(outp, " %%c3");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]271 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]272 outp += sprintf(outp, " %%c6");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]273 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]274 outp += sprintf(outp, " %%c7");
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]275
276 if (do_dts)
277 outp += sprintf(outp, " CTMP");
278 if (do_ptm)
279 outp += sprintf(outp, " PTMP");
280
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]281 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]282 outp += sprintf(outp, " %%pc2");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]283 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]284 outp += sprintf(outp, " %%pc3");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]285 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]286 outp += sprintf(outp, " %%pc6");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]287 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]288 outp += sprintf(outp, " %%pc7");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]289 if (do_c8_c9_c10) {
290 outp += sprintf(outp, " %%pc8");
291 outp += sprintf(outp, " %%pc9");
292 outp += sprintf(outp, " %%pc10");
293 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]294
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]295 if (do_rapl & RAPL_PKG)
296 outp += sprintf(outp, " Pkg_W");
297 if (do_rapl & RAPL_CORES)
298 outp += sprintf(outp, " Cor_W");
299 if (do_rapl & RAPL_GFX)
300 outp += sprintf(outp, " GFX_W");
301 if (do_rapl & RAPL_DRAM)
302 outp += sprintf(outp, " RAM_W");
303 if (do_rapl & RAPL_PKG_PERF_STATUS)
304 outp += sprintf(outp, " PKG_%%");
305 if (do_rapl & RAPL_DRAM_PERF_STATUS)
306 outp += sprintf(outp, " RAM_%%");
307
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]308 outp += sprintf(outp, "\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]309}
310
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]311int dump_counters(struct thread_data *t, struct core_data *c,
312 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]313{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]314 fprintf(stderr, "t %p, c %p, p %p\n", t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]315
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]316 if (t) {
317 fprintf(stderr, "CPU: %d flags 0x%x\n", t->cpu_id, t->flags);
318 fprintf(stderr, "TSC: %016llX\n", t->tsc);
319 fprintf(stderr, "aperf: %016llX\n", t->aperf);
320 fprintf(stderr, "mperf: %016llX\n", t->mperf);
321 fprintf(stderr, "c1: %016llX\n", t->c1);
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]322 fprintf(stderr, "msr0x%x: %08llX\n",
323 extra_delta_offset32, t->extra_delta32);
324 fprintf(stderr, "msr0x%x: %016llX\n",
325 extra_delta_offset64, t->extra_delta64);
326 fprintf(stderr, "msr0x%x: %08llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]327 extra_msr_offset32, t->extra_msr32);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]328 fprintf(stderr, "msr0x%x: %016llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]329 extra_msr_offset64, t->extra_msr64);
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]330 if (do_smi)
331 fprintf(stderr, "SMI: %08X\n", t->smi_count);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]332 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]333
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]334 if (c) {
335 fprintf(stderr, "core: %d\n", c->core_id);
336 fprintf(stderr, "c3: %016llX\n", c->c3);
337 fprintf(stderr, "c6: %016llX\n", c->c6);
338 fprintf(stderr, "c7: %016llX\n", c->c7);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]339 fprintf(stderr, "DTS: %dC\n", c->core_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]340 }
341
342 if (p) {
343 fprintf(stderr, "package: %d\n", p->package_id);
344 fprintf(stderr, "pc2: %016llX\n", p->pc2);
345 fprintf(stderr, "pc3: %016llX\n", p->pc3);
346 fprintf(stderr, "pc6: %016llX\n", p->pc6);
347 fprintf(stderr, "pc7: %016llX\n", p->pc7);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]348 fprintf(stderr, "pc8: %016llX\n", p->pc8);
349 fprintf(stderr, "pc9: %016llX\n", p->pc9);
350 fprintf(stderr, "pc10: %016llX\n", p->pc10);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]351 fprintf(stderr, "Joules PKG: %0X\n", p->energy_pkg);
352 fprintf(stderr, "Joules COR: %0X\n", p->energy_cores);
353 fprintf(stderr, "Joules GFX: %0X\n", p->energy_gfx);
354 fprintf(stderr, "Joules RAM: %0X\n", p->energy_dram);
355 fprintf(stderr, "Throttle PKG: %0X\n", p->rapl_pkg_perf_status);
356 fprintf(stderr, "Throttle RAM: %0X\n", p->rapl_dram_perf_status);
357 fprintf(stderr, "PTM: %dC\n", p->pkg_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]358 }
359 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]360}
361
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]362/*
363 * column formatting convention & formats
364 * package: "pk" 2 columns %2d
365 * core: "cor" 3 columns %3d
366 * CPU: "CPU" 3 columns %3d
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]367 * Pkg_W: %6.2
368 * Cor_W: %6.2
369 * GFX_W: %5.2
370 * RAM_W: %5.2
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]371 * GHz: "GHz" 3 columns %3.2
372 * TSC: "TSC" 3 columns %3.2
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]373 * SMI: "SMI" 4 columns %4d
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]374 * percentage " %pc3" %6.2
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]375 * Perf Status percentage: %5.2
376 * "CTMP" 4 columns %4d
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]377 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]378int format_counters(struct thread_data *t, struct core_data *c,
379 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]380{
381 double interval_float;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]382 char *fmt5, *fmt6;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]383
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]384 /* if showing only 1st thread in core and this isn't one, bail out */
385 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
386 return 0;
387
388 /* if showing only 1st thread in pkg and this isn't one, bail out */
389 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
390 return 0;
391
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]392 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
393
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]394 /* topo columns, print blanks on 1st (average) line */
395 if (t == &average.threads) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]396 if (show_pkg)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]397 outp += sprintf(outp, " ");
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]398 if (show_pkg && show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]399 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]400 if (show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]401 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]402 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]403 outp += sprintf(outp, " " " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]404 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]405 if (show_pkg) {
406 if (p)
407 outp += sprintf(outp, "%2d", p->package_id);
408 else
409 outp += sprintf(outp, " ");
410 }
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]411 if (show_pkg && show_core)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]412 outp += sprintf(outp, " ");
413 if (show_core) {
414 if (c)
415 outp += sprintf(outp, "%3d", c->core_id);
416 else
417 outp += sprintf(outp, " ");
418 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]419 if (show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]420 outp += sprintf(outp, " %3d", t->cpu_id);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]421 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]422 /* %c0 */
423 if (do_nhm_cstates) {
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]424 if (show_pkg || show_core || show_cpu)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]425 outp += sprintf(outp, " ");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]426 if (!skip_c0)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]427 outp += sprintf(outp, "%6.2f", 100.0 * t->mperf/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]428 else
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]429 outp += sprintf(outp, " ****");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]430 }
431
432 /* GHz */
433 if (has_aperf) {
434 if (!aperf_mperf_unstable) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]435 outp += sprintf(outp, " %3.2f",
436 1.0 * t->tsc / units * t->aperf /
437 t->mperf / interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]438 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]439 if (t->aperf > t->tsc || t->mperf > t->tsc) {
440 outp += sprintf(outp, " ***");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]441 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]442 outp += sprintf(outp, "%3.1f*",
443 1.0 * t->tsc /
444 units * t->aperf /
445 t->mperf / interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]446 }
447 }
448 }
449
450 /* TSC */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]451 outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]452
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]453 /* SMI */
454 if (do_smi)
455 outp += sprintf(outp, "%4d", t->smi_count);
456
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]457 /* delta */
458 if (extra_delta_offset32)
459 outp += sprintf(outp, " %11llu", t->extra_delta32);
460
461 /* DELTA */
462 if (extra_delta_offset64)
463 outp += sprintf(outp, " %11llu", t->extra_delta64);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]464 /* msr */
465 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]466 outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]467
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]468 /* MSR */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]469 if (extra_msr_offset64)
470 outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
Len Brown130ff302012-09-21 22:56:06 -0400[diff] [blame]471
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]472 if (do_nhm_cstates) {
473 if (!skip_c1)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]474 outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]475 else
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]476 outp += sprintf(outp, " ****");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]477 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]478
479 /* print per-core data only for 1st thread in core */
480 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
481 goto done;
482
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]483 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]484 outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]485 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]486 outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]487 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]488 outp += sprintf(outp, " %6.2f", 100.0 * c->c7/t->tsc);
489
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]490 if (do_dts)
491 outp += sprintf(outp, " %4d", c->core_temp_c);
492
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]493 /* print per-package data only for 1st core in package */
494 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
495 goto done;
496
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]497 if (do_ptm)
498 outp += sprintf(outp, " %4d", p->pkg_temp_c);
499
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]500 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]501 outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]502 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]503 outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]504 if (do_nhm_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]505 outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]506 if (do_snb_cstates)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]507 outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]508 if (do_c8_c9_c10) {
509 outp += sprintf(outp, " %6.2f", 100.0 * p->pc8/t->tsc);
510 outp += sprintf(outp, " %6.2f", 100.0 * p->pc9/t->tsc);
511 outp += sprintf(outp, " %6.2f", 100.0 * p->pc10/t->tsc);
512 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]513
514 /*
515 * If measurement interval exceeds minimum RAPL Joule Counter range,
516 * indicate that results are suspect by printing "**" in fraction place.
517 */
518 if (interval_float < rapl_joule_counter_range) {
519 fmt5 = " %5.2f";
520 fmt6 = " %6.2f";
521 } else {
522 fmt5 = " %3.0f**";
523 fmt6 = " %4.0f**";
524 }
525
526 if (do_rapl & RAPL_PKG)
527 outp += sprintf(outp, fmt6, p->energy_pkg * rapl_energy_units / interval_float);
528 if (do_rapl & RAPL_CORES)
529 outp += sprintf(outp, fmt6, p->energy_cores * rapl_energy_units / interval_float);
530 if (do_rapl & RAPL_GFX)
531 outp += sprintf(outp, fmt5, p->energy_gfx * rapl_energy_units / interval_float);
532 if (do_rapl & RAPL_DRAM)
533 outp += sprintf(outp, fmt5, p->energy_dram * rapl_energy_units / interval_float);
534 if (do_rapl & RAPL_PKG_PERF_STATUS )
535 outp += sprintf(outp, fmt5, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
536 if (do_rapl & RAPL_DRAM_PERF_STATUS )
537 outp += sprintf(outp, fmt5, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
538
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]539done:
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]540 outp += sprintf(outp, "\n");
541
542 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]543}
544
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]545void flush_stdout()
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]546{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]547 fputs(output_buffer, stdout);
Len Brownddac0d62012-11-30 01:01:40 -0500[diff] [blame]548 fflush(stdout);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]549 outp = output_buffer;
550}
551void flush_stderr()
552{
553 fputs(output_buffer, stderr);
554 outp = output_buffer;
555}
556void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
557{
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]558 static int printed;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]559
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]560 if (!printed || !summary_only)
561 print_header();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]562
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]563 if (topo.num_cpus > 1)
564 format_counters(&average.threads, &average.cores,
565 &average.packages);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]566
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]567 printed = 1;
568
569 if (summary_only)
570 return;
571
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]572 for_all_cpus(format_counters, t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]573}
574
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]575#define DELTA_WRAP32(new, old) \
576 if (new > old) { \
577 old = new - old; \
578 } else { \
579 old = 0x100000000 + new - old; \
580 }
581
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]582void
583delta_package(struct pkg_data *new, struct pkg_data *old)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]584{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]585 old->pc2 = new->pc2 - old->pc2;
586 old->pc3 = new->pc3 - old->pc3;
587 old->pc6 = new->pc6 - old->pc6;
588 old->pc7 = new->pc7 - old->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]589 old->pc8 = new->pc8 - old->pc8;
590 old->pc9 = new->pc9 - old->pc9;
591 old->pc10 = new->pc10 - old->pc10;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]592 old->pkg_temp_c = new->pkg_temp_c;
593
594 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
595 DELTA_WRAP32(new->energy_cores, old->energy_cores);
596 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
597 DELTA_WRAP32(new->energy_dram, old->energy_dram);
598 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
599 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]600}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]601
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]602void
603delta_core(struct core_data *new, struct core_data *old)
604{
605 old->c3 = new->c3 - old->c3;
606 old->c6 = new->c6 - old->c6;
607 old->c7 = new->c7 - old->c7;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]608 old->core_temp_c = new->core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]609}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]610
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]611/*
612 * old = new - old
613 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]614void
615delta_thread(struct thread_data *new, struct thread_data *old,
616 struct core_data *core_delta)
617{
618 old->tsc = new->tsc - old->tsc;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]619
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]620 /* check for TSC < 1 Mcycles over interval */
621 if (old->tsc < (1000 * 1000)) {
622 fprintf(stderr, "Insanely slow TSC rate, TSC stops in idle?\n");
623 fprintf(stderr, "You can disable all c-states by booting with \"idle=poll\"\n");
624 fprintf(stderr, "or just the deep ones with \"processor.max_cstate=1\"\n");
625 exit(-3);
626 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]627
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]628 old->c1 = new->c1 - old->c1;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]629
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]630 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
631 old->aperf = new->aperf - old->aperf;
632 old->mperf = new->mperf - old->mperf;
633 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]634
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]635 if (!aperf_mperf_unstable) {
636 fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
637 fprintf(stderr, "* Frequency results do not cover entire interval *\n");
638 fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
639
640 aperf_mperf_unstable = 1;
641 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]642 /*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]643 * mperf delta is likely a huge "positive" number
644 * can not use it for calculating c0 time
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]645 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]646 skip_c0 = 1;
647 skip_c1 = 1;
648 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]649
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]650
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]651 /*
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]652 * As counter collection is not atomic,
653 * it is possible for mperf's non-halted cycles + idle states
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]654 * to exceed TSC's all cycles: show c1 = 0% in that case.
655 */
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]656 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]657 old->c1 = 0;
658 else {
659 /* normal case, derive c1 */
660 old->c1 = old->tsc - old->mperf - core_delta->c3
661 - core_delta->c6 - core_delta->c7;
662 }
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]663
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]664 if (old->mperf == 0) {
Len Brownc3ae3312012-06-13 21:31:46 -0400[diff] [blame]665 if (verbose > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]666 old->mperf = 1; /* divide by 0 protection */
667 }
668
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]669 old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
670 old->extra_delta32 &= 0xFFFFFFFF;
671
672 old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
673
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]674 /*
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]675 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]676 */
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]677 old->extra_msr32 = new->extra_msr32;
678 old->extra_msr64 = new->extra_msr64;
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]679
680 if (do_smi)
681 old->smi_count = new->smi_count - old->smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]682}
683
684int delta_cpu(struct thread_data *t, struct core_data *c,
685 struct pkg_data *p, struct thread_data *t2,
686 struct core_data *c2, struct pkg_data *p2)
687{
688 /* calculate core delta only for 1st thread in core */
689 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
690 delta_core(c, c2);
691
692 /* always calculate thread delta */
693 delta_thread(t, t2, c2); /* c2 is core delta */
694
695 /* calculate package delta only for 1st core in package */
696 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
697 delta_package(p, p2);
698
699 return 0;
700}
701
702void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
703{
704 t->tsc = 0;
705 t->aperf = 0;
706 t->mperf = 0;
707 t->c1 = 0;
708
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]709 t->smi_count = 0;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]710 t->extra_delta32 = 0;
711 t->extra_delta64 = 0;
712
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]713 /* tells format_counters to dump all fields from this set */
714 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
715
716 c->c3 = 0;
717 c->c6 = 0;
718 c->c7 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]719 c->core_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]720
721 p->pc2 = 0;
722 p->pc3 = 0;
723 p->pc6 = 0;
724 p->pc7 = 0;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]725 p->pc8 = 0;
726 p->pc9 = 0;
727 p->pc10 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]728
729 p->energy_pkg = 0;
730 p->energy_dram = 0;
731 p->energy_cores = 0;
732 p->energy_gfx = 0;
733 p->rapl_pkg_perf_status = 0;
734 p->rapl_dram_perf_status = 0;
735 p->pkg_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]736}
737int sum_counters(struct thread_data *t, struct core_data *c,
738 struct pkg_data *p)
739{
740 average.threads.tsc += t->tsc;
741 average.threads.aperf += t->aperf;
742 average.threads.mperf += t->mperf;
743 average.threads.c1 += t->c1;
744
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]745 average.threads.extra_delta32 += t->extra_delta32;
746 average.threads.extra_delta64 += t->extra_delta64;
747
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]748 /* sum per-core values only for 1st thread in core */
749 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
750 return 0;
751
752 average.cores.c3 += c->c3;
753 average.cores.c6 += c->c6;
754 average.cores.c7 += c->c7;
755
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]756 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
757
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]758 /* sum per-pkg values only for 1st core in pkg */
759 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
760 return 0;
761
762 average.packages.pc2 += p->pc2;
763 average.packages.pc3 += p->pc3;
764 average.packages.pc6 += p->pc6;
765 average.packages.pc7 += p->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]766 average.packages.pc8 += p->pc8;
767 average.packages.pc9 += p->pc9;
768 average.packages.pc10 += p->pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]769
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]770 average.packages.energy_pkg += p->energy_pkg;
771 average.packages.energy_dram += p->energy_dram;
772 average.packages.energy_cores += p->energy_cores;
773 average.packages.energy_gfx += p->energy_gfx;
774
775 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
776
777 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
778 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]779 return 0;
780}
781/*
782 * sum the counters for all cpus in the system
783 * compute the weighted average
784 */
785void compute_average(struct thread_data *t, struct core_data *c,
786 struct pkg_data *p)
787{
788 clear_counters(&average.threads, &average.cores, &average.packages);
789
790 for_all_cpus(sum_counters, t, c, p);
791
792 average.threads.tsc /= topo.num_cpus;
793 average.threads.aperf /= topo.num_cpus;
794 average.threads.mperf /= topo.num_cpus;
795 average.threads.c1 /= topo.num_cpus;
796
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]797 average.threads.extra_delta32 /= topo.num_cpus;
798 average.threads.extra_delta32 &= 0xFFFFFFFF;
799
800 average.threads.extra_delta64 /= topo.num_cpus;
801
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]802 average.cores.c3 /= topo.num_cores;
803 average.cores.c6 /= topo.num_cores;
804 average.cores.c7 /= topo.num_cores;
805
806 average.packages.pc2 /= topo.num_packages;
807 average.packages.pc3 /= topo.num_packages;
808 average.packages.pc6 /= topo.num_packages;
809 average.packages.pc7 /= topo.num_packages;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]810
811 average.packages.pc8 /= topo.num_packages;
812 average.packages.pc9 /= topo.num_packages;
813 average.packages.pc10 /= topo.num_packages;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]814}
815
816static unsigned long long rdtsc(void)
817{
818 unsigned int low, high;
819
820 asm volatile("rdtsc" : "=a" (low), "=d" (high));
821
822 return low | ((unsigned long long)high) << 32;
823}
824
825
826/*
827 * get_counters(...)
828 * migrate to cpu
829 * acquire and record local counters for that cpu
830 */
831int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
832{
833 int cpu = t->cpu_id;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]834 unsigned long long msr;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]835
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]836 if (cpu_migrate(cpu)) {
837 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]838 return -1;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]839 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]840
841 t->tsc = rdtsc(); /* we are running on local CPU of interest */
842
843 if (has_aperf) {
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]844 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]845 return -3;
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]846 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]847 return -4;
848 }
849
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]850 if (do_smi) {
851 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
852 return -5;
853 t->smi_count = msr & 0xFFFFFFFF;
854 }
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]855 if (extra_delta_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]856 if (get_msr(cpu, extra_delta_offset32, &msr))
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]857 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]858 t->extra_delta32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]859 }
860
861 if (extra_delta_offset64)
862 if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
863 return -5;
864
865 if (extra_msr_offset32) {
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]866 if (get_msr(cpu, extra_msr_offset32, &msr))
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]867 return -5;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]868 t->extra_msr32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]869 }
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]870
871 if (extra_msr_offset64)
872 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]873 return -5;
874
875 /* collect core counters only for 1st thread in core */
876 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
877 return 0;
878
879 if (do_nhm_cstates) {
880 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
881 return -6;
882 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
883 return -7;
884 }
885
886 if (do_snb_cstates)
887 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
888 return -8;
889
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]890 if (do_dts) {
891 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
892 return -9;
893 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
894 }
895
896
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]897 /* collect package counters only for 1st core in package */
898 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
899 return 0;
900
901 if (do_nhm_cstates) {
902 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
903 return -9;
904 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
905 return -10;
906 }
907 if (do_snb_cstates) {
908 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
909 return -11;
910 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
911 return -12;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]912 }
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]913 if (do_c8_c9_c10) {
914 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
915 return -13;
916 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
917 return -13;
918 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
919 return -13;
920 }
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]921 if (do_rapl & RAPL_PKG) {
922 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
923 return -13;
924 p->energy_pkg = msr & 0xFFFFFFFF;
925 }
926 if (do_rapl & RAPL_CORES) {
927 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
928 return -14;
929 p->energy_cores = msr & 0xFFFFFFFF;
930 }
931 if (do_rapl & RAPL_DRAM) {
932 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
933 return -15;
934 p->energy_dram = msr & 0xFFFFFFFF;
935 }
936 if (do_rapl & RAPL_GFX) {
937 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
938 return -16;
939 p->energy_gfx = msr & 0xFFFFFFFF;
940 }
941 if (do_rapl & RAPL_PKG_PERF_STATUS) {
942 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
943 return -16;
944 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
945 }
946 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
947 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
948 return -16;
949 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
950 }
951 if (do_ptm) {
952 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
953 return -17;
954 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
955 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]956 return 0;
957}
958
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]959void print_verbose_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]960{
961 unsigned long long msr;
962 unsigned int ratio;
963
964 if (!do_nehalem_platform_info)
965 return;
966
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]967 get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]968
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]969 fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]970
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]971 ratio = (msr >> 40) & 0xFF;
972 fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
973 ratio, bclk, ratio * bclk);
974
975 ratio = (msr >> 8) & 0xFF;
976 fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
977 ratio, bclk, ratio * bclk);
978
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]979 get_msr(0, MSR_IA32_POWER_CTL, &msr);
980 fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E: %sabled)\n",
981 msr, msr & 0x2 ? "EN" : "DIS");
982
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]983 if (!do_ivt_turbo_ratio_limit)
984 goto print_nhm_turbo_ratio_limits;
985
986 get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
987
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]988 fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]989
990 ratio = (msr >> 56) & 0xFF;
991 if (ratio)
992 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
993 ratio, bclk, ratio * bclk);
994
995 ratio = (msr >> 48) & 0xFF;
996 if (ratio)
997 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
998 ratio, bclk, ratio * bclk);
999
1000 ratio = (msr >> 40) & 0xFF;
1001 if (ratio)
1002 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
1003 ratio, bclk, ratio * bclk);
1004
1005 ratio = (msr >> 32) & 0xFF;
1006 if (ratio)
1007 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
1008 ratio, bclk, ratio * bclk);
1009
1010 ratio = (msr >> 24) & 0xFF;
1011 if (ratio)
1012 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
1013 ratio, bclk, ratio * bclk);
1014
1015 ratio = (msr >> 16) & 0xFF;
1016 if (ratio)
1017 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
1018 ratio, bclk, ratio * bclk);
1019
1020 ratio = (msr >> 8) & 0xFF;
1021 if (ratio)
1022 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
1023 ratio, bclk, ratio * bclk);
1024
1025 ratio = (msr >> 0) & 0xFF;
1026 if (ratio)
1027 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
1028 ratio, bclk, ratio * bclk);
1029
1030print_nhm_turbo_ratio_limits:
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1031 get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
1032
1033#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
1034#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
1035
1036 fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
1037
1038 fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: ",
1039 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
1040 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
1041 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
1042 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
1043 (msr & (1 << 15)) ? "" : "UN",
1044 (unsigned int)msr & 7);
1045
1046
1047 switch(msr & 0x7) {
1048 case 0:
1049 fprintf(stderr, "pc0");
1050 break;
1051 case 1:
1052 fprintf(stderr, do_snb_cstates ? "pc2" : "pc0");
1053 break;
1054 case 2:
1055 fprintf(stderr, do_snb_cstates ? "pc6-noret" : "pc3");
1056 break;
1057 case 3:
1058 fprintf(stderr, "pc6");
1059 break;
1060 case 4:
1061 fprintf(stderr, "pc7");
1062 break;
1063 case 5:
1064 fprintf(stderr, do_snb_cstates ? "pc7s" : "invalid");
1065 break;
1066 case 7:
1067 fprintf(stderr, "unlimited");
1068 break;
1069 default:
1070 fprintf(stderr, "invalid");
1071 }
1072 fprintf(stderr, ")\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1073
1074 if (!do_nehalem_turbo_ratio_limit)
1075 return;
1076
Len Brown9c63a652012-10-31 01:29:52 -0400[diff] [blame]1077 get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1078
Len Brown67920412013-01-31 15:22:15 -0500[diff] [blame]1079 fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1080
1081 ratio = (msr >> 56) & 0xFF;
1082 if (ratio)
1083 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1084 ratio, bclk, ratio * bclk);
1085
1086 ratio = (msr >> 48) & 0xFF;
1087 if (ratio)
1088 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1089 ratio, bclk, ratio * bclk);
1090
1091 ratio = (msr >> 40) & 0xFF;
1092 if (ratio)
1093 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1094 ratio, bclk, ratio * bclk);
1095
1096 ratio = (msr >> 32) & 0xFF;
1097 if (ratio)
1098 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1099 ratio, bclk, ratio * bclk);
1100
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1101 ratio = (msr >> 24) & 0xFF;
1102 if (ratio)
1103 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1104 ratio, bclk, ratio * bclk);
1105
1106 ratio = (msr >> 16) & 0xFF;
1107 if (ratio)
1108 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1109 ratio, bclk, ratio * bclk);
1110
1111 ratio = (msr >> 8) & 0xFF;
1112 if (ratio)
1113 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1114 ratio, bclk, ratio * bclk);
1115
1116 ratio = (msr >> 0) & 0xFF;
1117 if (ratio)
1118 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1119 ratio, bclk, ratio * bclk);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1120}
1121
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1122void free_all_buffers(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1123{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1124 CPU_FREE(cpu_present_set);
1125 cpu_present_set = NULL;
1126 cpu_present_set = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1127
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1128 CPU_FREE(cpu_affinity_set);
1129 cpu_affinity_set = NULL;
1130 cpu_affinity_setsize = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1131
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1132 free(thread_even);
1133 free(core_even);
1134 free(package_even);
1135
1136 thread_even = NULL;
1137 core_even = NULL;
1138 package_even = NULL;
1139
1140 free(thread_odd);
1141 free(core_odd);
1142 free(package_odd);
1143
1144 thread_odd = NULL;
1145 core_odd = NULL;
1146 package_odd = NULL;
1147
1148 free(output_buffer);
1149 output_buffer = NULL;
1150 outp = NULL;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1151}
1152
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1153/*
1154 * cpu_is_first_sibling_in_core(cpu)
1155 * return 1 if given CPU is 1st HT sibling in the core
1156 */
1157int cpu_is_first_sibling_in_core(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1158{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1159 char path[64];
1160 FILE *filep;
1161 int first_cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1162
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1163 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1164 filep = fopen(path, "r");
1165 if (filep == NULL) {
1166 perror(path);
1167 exit(1);
1168 }
1169 fscanf(filep, "%d", &first_cpu);
1170 fclose(filep);
1171 return (cpu == first_cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1172}
1173
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1174/*
1175 * cpu_is_first_core_in_package(cpu)
1176 * return 1 if given CPU is 1st core in package
1177 */
1178int cpu_is_first_core_in_package(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1179{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1180 char path[64];
1181 FILE *filep;
1182 int first_cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1183
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1184 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
1185 filep = fopen(path, "r");
1186 if (filep == NULL) {
1187 perror(path);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1188 exit(1);
1189 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1190 fscanf(filep, "%d", &first_cpu);
1191 fclose(filep);
1192 return (cpu == first_cpu);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1193}
1194
1195int get_physical_package_id(int cpu)
1196{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1197 char path[80];
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1198 FILE *filep;
1199 int pkg;
1200
1201 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
1202 filep = fopen(path, "r");
1203 if (filep == NULL) {
1204 perror(path);
1205 exit(1);
1206 }
1207 fscanf(filep, "%d", &pkg);
1208 fclose(filep);
1209 return pkg;
1210}
1211
1212int get_core_id(int cpu)
1213{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1214 char path[80];
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1215 FILE *filep;
1216 int core;
1217
1218 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
1219 filep = fopen(path, "r");
1220 if (filep == NULL) {
1221 perror(path);
1222 exit(1);
1223 }
1224 fscanf(filep, "%d", &core);
1225 fclose(filep);
1226 return core;
1227}
1228
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1229int get_num_ht_siblings(int cpu)
1230{
1231 char path[80];
1232 FILE *filep;
1233 int sib1, sib2;
1234 int matches;
1235 char character;
1236
1237 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1238 filep = fopen(path, "r");
1239 if (filep == NULL) {
1240 perror(path);
1241 exit(1);
1242 }
1243 /*
1244 * file format:
1245 * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
1246 * otherwinse 1 sibling (self).
1247 */
1248 matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
1249
1250 fclose(filep);
1251
1252 if (matches == 3)
1253 return 2;
1254 else
1255 return 1;
1256}
1257
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1258/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1259 * run func(thread, core, package) in topology order
1260 * skip non-present cpus
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1261 */
1262
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1263int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
1264 struct pkg_data *, struct thread_data *, struct core_data *,
1265 struct pkg_data *), struct thread_data *thread_base,
1266 struct core_data *core_base, struct pkg_data *pkg_base,
1267 struct thread_data *thread_base2, struct core_data *core_base2,
1268 struct pkg_data *pkg_base2)
1269{
1270 int retval, pkg_no, core_no, thread_no;
1271
1272 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1273 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
1274 for (thread_no = 0; thread_no <
1275 topo.num_threads_per_core; ++thread_no) {
1276 struct thread_data *t, *t2;
1277 struct core_data *c, *c2;
1278 struct pkg_data *p, *p2;
1279
1280 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
1281
1282 if (cpu_is_not_present(t->cpu_id))
1283 continue;
1284
1285 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
1286
1287 c = GET_CORE(core_base, core_no, pkg_no);
1288 c2 = GET_CORE(core_base2, core_no, pkg_no);
1289
1290 p = GET_PKG(pkg_base, pkg_no);
1291 p2 = GET_PKG(pkg_base2, pkg_no);
1292
1293 retval = func(t, c, p, t2, c2, p2);
1294 if (retval)
1295 return retval;
1296 }
1297 }
1298 }
1299 return 0;
1300}
1301
1302/*
1303 * run func(cpu) on every cpu in /proc/stat
1304 * return max_cpu number
1305 */
1306int for_all_proc_cpus(int (func)(int))
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1307{
1308 FILE *fp;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1309 int cpu_num;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1310 int retval;
1311
1312 fp = fopen(proc_stat, "r");
1313 if (fp == NULL) {
1314 perror(proc_stat);
1315 exit(1);
1316 }
1317
1318 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
1319 if (retval != 0) {
1320 perror("/proc/stat format");
1321 exit(1);
1322 }
1323
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1324 while (1) {
1325 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]1326 if (retval != 1)
1327 break;
1328
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1329 retval = func(cpu_num);
1330 if (retval) {
1331 fclose(fp);
1332 return(retval);
1333 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1334 }
1335 fclose(fp);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1336 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1337}
1338
1339void re_initialize(void)
1340{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1341 free_all_buffers();
1342 setup_all_buffers();
1343 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1344}
1345
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1346
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1347/*
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1348 * count_cpus()
1349 * remember the last one seen, it will be the max
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1350 */
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1351int count_cpus(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1352{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1353 if (topo.max_cpu_num < cpu)
1354 topo.max_cpu_num = cpu;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1355
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1356 topo.num_cpus += 1;
1357 return 0;
1358}
1359int mark_cpu_present(int cpu)
1360{
1361 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1362 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1363}
1364
1365void turbostat_loop()
1366{
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1367 int retval;
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1368 int restarted = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1369
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1370restart:
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1371 restarted++;
1372
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1373 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1374 if (retval < -1) {
1375 exit(retval);
1376 } else if (retval == -1) {
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1377 if (restarted > 1) {
1378 exit(retval);
1379 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1380 re_initialize();
1381 goto restart;
1382 }
Len Browne52966c2012-11-08 22:38:05 -0500[diff] [blame]1383 restarted = 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1384 gettimeofday(&tv_even, (struct timezone *)NULL);
1385
1386 while (1) {
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1387 if (for_all_proc_cpus(cpu_is_not_present)) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1388 re_initialize();
1389 goto restart;
1390 }
1391 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1392 retval = for_all_cpus(get_counters, ODD_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1393 if (retval < -1) {
1394 exit(retval);
1395 } else if (retval == -1) {
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1396 re_initialize();
1397 goto restart;
1398 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1399 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1400 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1401 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
1402 compute_average(EVEN_COUNTERS);
1403 format_all_counters(EVEN_COUNTERS);
1404 flush_stdout();
Len Brown15aaa342012-03-29 22:19:58 -0400[diff] [blame]1405 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1406 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]1407 if (retval < -1) {
1408 exit(retval);
1409 } else if (retval == -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1410 re_initialize();
1411 goto restart;
1412 }
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1413 gettimeofday(&tv_even, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1414 timersub(&tv_even, &tv_odd, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]1415 for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
1416 compute_average(ODD_COUNTERS);
1417 format_all_counters(ODD_COUNTERS);
1418 flush_stdout();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1419 }
1420}
1421
1422void check_dev_msr()
1423{
1424 struct stat sb;
1425
1426 if (stat("/dev/cpu/0/msr", &sb)) {
1427 fprintf(stderr, "no /dev/cpu/0/msr\n");
1428 fprintf(stderr, "Try \"# modprobe msr\"\n");
1429 exit(-5);
1430 }
1431}
1432
1433void check_super_user()
1434{
1435 if (getuid() != 0) {
1436 fprintf(stderr, "must be root\n");
1437 exit(-6);
1438 }
1439}
1440
1441int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
1442{
1443 if (!genuine_intel)
1444 return 0;
1445
1446 if (family != 6)
1447 return 0;
1448
1449 switch (model) {
1450 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1451 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1452 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1453 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1454 case 0x2C: /* Westmere EP - Gulftown */
1455 case 0x2A: /* SNB */
1456 case 0x2D: /* SNB Xeon */
Len Brown553575f2011-11-18 03:32:01 -0500[diff] [blame]1457 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]1458 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1459 case 0x3C: /* HSW */
1460 case 0x3F: /* HSW */
1461 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1462 case 0x46: /* HSW */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1463 return 1;
1464 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1465 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1466 default:
1467 return 0;
1468 }
1469}
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1470int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
1471{
1472 if (!genuine_intel)
1473 return 0;
1474
1475 if (family != 6)
1476 return 0;
1477
1478 switch (model) {
1479 case 0x3E: /* IVB Xeon */
1480 return 1;
1481 default:
1482 return 0;
1483 }
1484}
1485
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1486/*
1487 * print_epb()
1488 * Decode the ENERGY_PERF_BIAS MSR
1489 */
1490int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1491{
1492 unsigned long long msr;
1493 char *epb_string;
1494 int cpu;
1495
1496 if (!has_epb)
1497 return 0;
1498
1499 cpu = t->cpu_id;
1500
1501 /* EPB is per-package */
1502 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1503 return 0;
1504
1505 if (cpu_migrate(cpu)) {
1506 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1507 return -1;
1508 }
1509
1510 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
1511 return 0;
1512
1513 switch (msr & 0x7) {
1514 case ENERGY_PERF_BIAS_PERFORMANCE:
1515 epb_string = "performance";
1516 break;
1517 case ENERGY_PERF_BIAS_NORMAL:
1518 epb_string = "balanced";
1519 break;
1520 case ENERGY_PERF_BIAS_POWERSAVE:
1521 epb_string = "powersave";
1522 break;
1523 default:
1524 epb_string = "custom";
1525 break;
1526 }
1527 fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
1528
1529 return 0;
1530}
1531
1532#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
1533#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
1534
1535/*
1536 * rapl_probe()
1537 *
1538 * sets do_rapl
1539 */
1540void rapl_probe(unsigned int family, unsigned int model)
1541{
1542 unsigned long long msr;
1543 double tdp;
1544
1545 if (!genuine_intel)
1546 return;
1547
1548 if (family != 6)
1549 return;
1550
1551 switch (model) {
1552 case 0x2A:
1553 case 0x3A:
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1554 case 0x3C: /* HSW */
1555 case 0x3F: /* HSW */
1556 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1557 case 0x46: /* HSW */
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1558 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
1559 break;
1560 case 0x2D:
1561 case 0x3E:
1562 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS;
1563 break;
1564 default:
1565 return;
1566 }
1567
1568 /* units on package 0, verify later other packages match */
1569 if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
1570 return;
1571
1572 rapl_power_units = 1.0 / (1 << (msr & 0xF));
1573 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1574 rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
1575
1576 /* get TDP to determine energy counter range */
1577 if (get_msr(0, MSR_PKG_POWER_INFO, &msr))
1578 return;
1579
1580 tdp = ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
1581
1582 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
1583
1584 if (verbose)
1585 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range\n", rapl_joule_counter_range);
1586
1587 return;
1588}
1589
1590int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1591{
1592 unsigned long long msr;
1593 unsigned int dts;
1594 int cpu;
1595
1596 if (!(do_dts || do_ptm))
1597 return 0;
1598
1599 cpu = t->cpu_id;
1600
1601 /* DTS is per-core, no need to print for each thread */
1602 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1603 return 0;
1604
1605 if (cpu_migrate(cpu)) {
1606 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1607 return -1;
1608 }
1609
1610 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
1611 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1612 return 0;
1613
1614 dts = (msr >> 16) & 0x7F;
1615 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
1616 cpu, msr, tcc_activation_temp - dts);
1617
1618#ifdef THERM_DEBUG
1619 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
1620 return 0;
1621
1622 dts = (msr >> 16) & 0x7F;
1623 dts2 = (msr >> 8) & 0x7F;
1624 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1625 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1626#endif
1627 }
1628
1629
1630 if (do_dts) {
1631 unsigned int resolution;
1632
1633 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1634 return 0;
1635
1636 dts = (msr >> 16) & 0x7F;
1637 resolution = (msr >> 27) & 0xF;
1638 fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
1639 cpu, msr, tcc_activation_temp - dts, resolution);
1640
1641#ifdef THERM_DEBUG
1642 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
1643 return 0;
1644
1645 dts = (msr >> 16) & 0x7F;
1646 dts2 = (msr >> 8) & 0x7F;
1647 fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1648 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1649#endif
1650 }
1651
1652 return 0;
1653}
1654
1655void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
1656{
1657 fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
1658 cpu, label,
1659 ((msr >> 15) & 1) ? "EN" : "DIS",
1660 ((msr >> 0) & 0x7FFF) * rapl_power_units,
1661 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
1662 (((msr >> 16) & 1) ? "EN" : "DIS"));
1663
1664 return;
1665}
1666
1667int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1668{
1669 unsigned long long msr;
1670 int cpu;
1671 double local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units;
1672
1673 if (!do_rapl)
1674 return 0;
1675
1676 /* RAPL counters are per package, so print only for 1st thread/package */
1677 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1678 return 0;
1679
1680 cpu = t->cpu_id;
1681 if (cpu_migrate(cpu)) {
1682 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1683 return -1;
1684 }
1685
1686 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
1687 return -1;
1688
1689 local_rapl_power_units = 1.0 / (1 << (msr & 0xF));
1690 local_rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1691 local_rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
1692
1693 if (local_rapl_power_units != rapl_power_units)
1694 fprintf(stderr, "cpu%d, ERROR: Power units mis-match\n", cpu);
1695 if (local_rapl_energy_units != rapl_energy_units)
1696 fprintf(stderr, "cpu%d, ERROR: Energy units mis-match\n", cpu);
1697 if (local_rapl_time_units != rapl_time_units)
1698 fprintf(stderr, "cpu%d, ERROR: Time units mis-match\n", cpu);
1699
1700 if (verbose) {
1701 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
1702 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
1703 local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units);
1704 }
1705 if (do_rapl & RAPL_PKG) {
1706 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
1707 return -5;
1708
1709
1710 fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1711 cpu, msr,
1712 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1713 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1714 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1715 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1716
1717 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
1718 return -9;
1719
1720 fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
1721 cpu, msr, (msr >> 63) & 1 ? "": "UN");
1722
1723 print_power_limit_msr(cpu, msr, "PKG Limit #1");
1724 fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
1725 cpu,
1726 ((msr >> 47) & 1) ? "EN" : "DIS",
1727 ((msr >> 32) & 0x7FFF) * rapl_power_units,
1728 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
1729 ((msr >> 48) & 1) ? "EN" : "DIS");
1730 }
1731
1732 if (do_rapl & RAPL_DRAM) {
1733 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
1734 return -6;
1735
1736
1737 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1738 cpu, msr,
1739 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1740 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1741 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1742 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1743
1744
1745 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
1746 return -9;
1747 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
1748 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1749
1750 print_power_limit_msr(cpu, msr, "DRAM Limit");
1751 }
1752 if (do_rapl & RAPL_CORES) {
1753 if (verbose) {
1754 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
1755 return -7;
1756
1757 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
1758
1759 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
1760 return -9;
1761 fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
1762 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1763 print_power_limit_msr(cpu, msr, "Cores Limit");
1764 }
1765 }
1766 if (do_rapl & RAPL_GFX) {
1767 if (verbose) {
1768 if (get_msr(cpu, MSR_PP1_POLICY, &msr))
1769 return -8;
1770
1771 fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
1772
1773 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
1774 return -9;
1775 fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
1776 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1777 print_power_limit_msr(cpu, msr, "GFX Limit");
1778 }
1779 }
1780 return 0;
1781}
1782
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1783
1784int is_snb(unsigned int family, unsigned int model)
1785{
1786 if (!genuine_intel)
1787 return 0;
1788
1789 switch (model) {
1790 case 0x2A:
1791 case 0x2D:
Len Brown650a37f2012-06-03 23:34:44 -0400[diff] [blame]1792 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -0400[diff] [blame]1793 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -0500[diff] [blame]1794 case 0x3C: /* HSW */
1795 case 0x3F: /* HSW */
1796 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -0400[diff] [blame]1797 case 0x46: /* HSW */
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1798 return 1;
1799 }
1800 return 0;
1801}
1802
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]1803int has_c8_c9_c10(unsigned int family, unsigned int model)
1804{
1805 if (!genuine_intel)
1806 return 0;
1807
1808 switch (model) {
1809 case 0x45:
1810 return 1;
1811 }
1812 return 0;
1813}
1814
1815
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1816double discover_bclk(unsigned int family, unsigned int model)
1817{
1818 if (is_snb(family, model))
1819 return 100.00;
1820 else
1821 return 133.33;
1822}
1823
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1824/*
1825 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
1826 * the Thermal Control Circuit (TCC) activates.
1827 * This is usually equal to tjMax.
1828 *
1829 * Older processors do not have this MSR, so there we guess,
1830 * but also allow cmdline over-ride with -T.
1831 *
1832 * Several MSR temperature values are in units of degrees-C
1833 * below this value, including the Digital Thermal Sensor (DTS),
1834 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
1835 */
1836int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1837{
1838 unsigned long long msr;
1839 unsigned int target_c_local;
1840 int cpu;
1841
1842 /* tcc_activation_temp is used only for dts or ptm */
1843 if (!(do_dts || do_ptm))
1844 return 0;
1845
1846 /* this is a per-package concept */
1847 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1848 return 0;
1849
1850 cpu = t->cpu_id;
1851 if (cpu_migrate(cpu)) {
1852 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1853 return -1;
1854 }
1855
1856 if (tcc_activation_temp_override != 0) {
1857 tcc_activation_temp = tcc_activation_temp_override;
1858 fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
1859 cpu, tcc_activation_temp);
1860 return 0;
1861 }
1862
1863 /* Temperature Target MSR is Nehalem and newer only */
1864 if (!do_nehalem_platform_info)
1865 goto guess;
1866
1867 if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
1868 goto guess;
1869
1870 target_c_local = (msr >> 16) & 0x7F;
1871
1872 if (verbose)
1873 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
1874 cpu, msr, target_c_local);
1875
1876 if (target_c_local < 85 || target_c_local > 120)
1877 goto guess;
1878
1879 tcc_activation_temp = target_c_local;
1880
1881 return 0;
1882
1883guess:
1884 tcc_activation_temp = TJMAX_DEFAULT;
1885 fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
1886 cpu, tcc_activation_temp);
1887
1888 return 0;
1889}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1890void check_cpuid()
1891{
1892 unsigned int eax, ebx, ecx, edx, max_level;
1893 unsigned int fms, family, model, stepping;
1894
1895 eax = ebx = ecx = edx = 0;
1896
1897 asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0));
1898
1899 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
1900 genuine_intel = 1;
1901
1902 if (verbose)
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1903 fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1904 (char *)&ebx, (char *)&edx, (char *)&ecx);
1905
1906 asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx");
1907 family = (fms >> 8) & 0xf;
1908 model = (fms >> 4) & 0xf;
1909 stepping = fms & 0xf;
1910 if (family == 6 || family == 0xf)
1911 model += ((fms >> 16) & 0xf) << 4;
1912
1913 if (verbose)
1914 fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
1915 max_level, family, model, stepping, family, model, stepping);
1916
1917 if (!(edx & (1 << 5))) {
1918 fprintf(stderr, "CPUID: no MSR\n");
1919 exit(1);
1920 }
1921
1922 /*
1923 * check max extended function levels of CPUID.
1924 * This is needed to check for invariant TSC.
1925 * This check is valid for both Intel and AMD.
1926 */
1927 ebx = ecx = edx = 0;
1928 asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000000));
1929
1930 if (max_level < 0x80000007) {
1931 fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level);
1932 exit(1);
1933 }
1934
1935 /*
1936 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
1937 * this check is valid for both Intel and AMD
1938 */
1939 asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
Thomas Renninger8209e052011-01-21 15:11:19 +0100[diff] [blame]1940 has_invariant_tsc = edx & (1 << 8);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1941
1942 if (!has_invariant_tsc) {
1943 fprintf(stderr, "No invariant TSC\n");
1944 exit(1);
1945 }
1946
1947 /*
1948 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
1949 * this check is valid for both Intel and AMD
1950 */
1951
1952 asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
Thomas Renninger8209e052011-01-21 15:11:19 +0100[diff] [blame]1953 has_aperf = ecx & (1 << 0);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1954 do_dts = eax & (1 << 0);
1955 do_ptm = eax & (1 << 6);
1956 has_epb = ecx & (1 << 3);
1957
1958 if (verbose)
1959 fprintf(stderr, "CPUID(6): %s%s%s%s\n",
1960 has_aperf ? "APERF" : "No APERF!",
1961 do_dts ? ", DTS" : "",
1962 do_ptm ? ", PTM": "",
1963 has_epb ? ", EPB": "");
1964
1965 if (!has_aperf)
1966 exit(-1);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1967
1968 do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
1969 do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
Len Brown1ed51012013-02-10 17:19:24 -0500[diff] [blame]1970 do_smi = do_nhm_cstates;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1971 do_snb_cstates = is_snb(family, model);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]1972 do_c8_c9_c10 = has_c8_c9_c10(family, model);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1973 bclk = discover_bclk(family, model);
1974
1975 do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
Len Brown6574a5d2012-09-21 00:01:31 -0400[diff] [blame]1976 do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1977 rapl_probe(family, model);
1978
1979 return;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]1980}
1981
1982
1983void usage()
1984{
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]1985 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]1986 progname);
1987 exit(1);
1988}
1989
1990
1991/*
1992 * in /dev/cpu/ return success for names that are numbers
1993 * ie. filter out ".", "..", "microcode".
1994 */
1995int dir_filter(const struct dirent *dirp)
1996{
1997 if (isdigit(dirp->d_name[0]))
1998 return 1;
1999 else
2000 return 0;
2001}
2002
2003int open_dev_cpu_msr(int dummy1)
2004{
2005 return 0;
2006}
2007
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2008void topology_probe()
2009{
2010 int i;
2011 int max_core_id = 0;
2012 int max_package_id = 0;
2013 int max_siblings = 0;
2014 struct cpu_topology {
2015 int core_id;
2016 int physical_package_id;
2017 } *cpus;
2018
2019 /* Initialize num_cpus, max_cpu_num */
2020 topo.num_cpus = 0;
2021 topo.max_cpu_num = 0;
2022 for_all_proc_cpus(count_cpus);
2023 if (!summary_only && topo.num_cpus > 1)
2024 show_cpu = 1;
2025
2026 if (verbose > 1)
2027 fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
2028
2029 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
2030 if (cpus == NULL) {
2031 perror("calloc cpus");
2032 exit(1);
2033 }
2034
2035 /*
2036 * Allocate and initialize cpu_present_set
2037 */
2038 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
2039 if (cpu_present_set == NULL) {
2040 perror("CPU_ALLOC");
2041 exit(3);
2042 }
2043 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2044 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
2045 for_all_proc_cpus(mark_cpu_present);
2046
2047 /*
2048 * Allocate and initialize cpu_affinity_set
2049 */
2050 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
2051 if (cpu_affinity_set == NULL) {
2052 perror("CPU_ALLOC");
2053 exit(3);
2054 }
2055 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2056 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
2057
2058
2059 /*
2060 * For online cpus
2061 * find max_core_id, max_package_id
2062 */
2063 for (i = 0; i <= topo.max_cpu_num; ++i) {
2064 int siblings;
2065
2066 if (cpu_is_not_present(i)) {
2067 if (verbose > 1)
2068 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
2069 continue;
2070 }
2071 cpus[i].core_id = get_core_id(i);
2072 if (cpus[i].core_id > max_core_id)
2073 max_core_id = cpus[i].core_id;
2074
2075 cpus[i].physical_package_id = get_physical_package_id(i);
2076 if (cpus[i].physical_package_id > max_package_id)
2077 max_package_id = cpus[i].physical_package_id;
2078
2079 siblings = get_num_ht_siblings(i);
2080 if (siblings > max_siblings)
2081 max_siblings = siblings;
2082 if (verbose > 1)
2083 fprintf(stderr, "cpu %d pkg %d core %d\n",
2084 i, cpus[i].physical_package_id, cpus[i].core_id);
2085 }
2086 topo.num_cores_per_pkg = max_core_id + 1;
2087 if (verbose > 1)
2088 fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
2089 max_core_id, topo.num_cores_per_pkg);
2090 if (!summary_only && topo.num_cores_per_pkg > 1)
2091 show_core = 1;
2092
2093 topo.num_packages = max_package_id + 1;
2094 if (verbose > 1)
2095 fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
2096 max_package_id, topo.num_packages);
2097 if (!summary_only && topo.num_packages > 1)
2098 show_pkg = 1;
2099
2100 topo.num_threads_per_core = max_siblings;
2101 if (verbose > 1)
2102 fprintf(stderr, "max_siblings %d\n", max_siblings);
2103
2104 free(cpus);
2105}
2106
2107void
2108allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
2109{
2110 int i;
2111
2112 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
2113 topo.num_packages, sizeof(struct thread_data));
2114 if (*t == NULL)
2115 goto error;
2116
2117 for (i = 0; i < topo.num_threads_per_core *
2118 topo.num_cores_per_pkg * topo.num_packages; i++)
2119 (*t)[i].cpu_id = -1;
2120
2121 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
2122 sizeof(struct core_data));
2123 if (*c == NULL)
2124 goto error;
2125
2126 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
2127 (*c)[i].core_id = -1;
2128
2129 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
2130 if (*p == NULL)
2131 goto error;
2132
2133 for (i = 0; i < topo.num_packages; i++)
2134 (*p)[i].package_id = i;
2135
2136 return;
2137error:
2138 perror("calloc counters");
2139 exit(1);
2140}
2141/*
2142 * init_counter()
2143 *
2144 * set cpu_id, core_num, pkg_num
2145 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2146 *
2147 * increment topo.num_cores when 1st core in pkg seen
2148 */
2149void init_counter(struct thread_data *thread_base, struct core_data *core_base,
2150 struct pkg_data *pkg_base, int thread_num, int core_num,
2151 int pkg_num, int cpu_id)
2152{
2153 struct thread_data *t;
2154 struct core_data *c;
2155 struct pkg_data *p;
2156
2157 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
2158 c = GET_CORE(core_base, core_num, pkg_num);
2159 p = GET_PKG(pkg_base, pkg_num);
2160
2161 t->cpu_id = cpu_id;
2162 if (thread_num == 0) {
2163 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
2164 if (cpu_is_first_core_in_package(cpu_id))
2165 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
2166 }
2167
2168 c->core_id = core_num;
2169 p->package_id = pkg_num;
2170}
2171
2172
2173int initialize_counters(int cpu_id)
2174{
2175 int my_thread_id, my_core_id, my_package_id;
2176
2177 my_package_id = get_physical_package_id(cpu_id);
2178 my_core_id = get_core_id(cpu_id);
2179
2180 if (cpu_is_first_sibling_in_core(cpu_id)) {
2181 my_thread_id = 0;
2182 topo.num_cores++;
2183 } else {
2184 my_thread_id = 1;
2185 }
2186
2187 init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2188 init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2189 return 0;
2190}
2191
2192void allocate_output_buffer()
2193{
2194 output_buffer = calloc(1, (1 + topo.num_cpus) * 128);
2195 outp = output_buffer;
2196 if (outp == NULL) {
2197 perror("calloc");
2198 exit(-1);
2199 }
2200}
2201
2202void setup_all_buffers(void)
2203{
2204 topology_probe();
2205 allocate_counters(&thread_even, &core_even, &package_even);
2206 allocate_counters(&thread_odd, &core_odd, &package_odd);
2207 allocate_output_buffer();
2208 for_all_proc_cpus(initialize_counters);
2209}
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2210void turbostat_init()
2211{
2212 check_cpuid();
2213
2214 check_dev_msr();
2215 check_super_user();
2216
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2217 setup_all_buffers();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2218
2219 if (verbose)
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2220 print_verbose_header();
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2221
2222 if (verbose)
2223 for_all_cpus(print_epb, ODD_COUNTERS);
2224
2225 if (verbose)
2226 for_all_cpus(print_rapl, ODD_COUNTERS);
2227
2228 for_all_cpus(set_temperature_target, ODD_COUNTERS);
2229
2230 if (verbose)
2231 for_all_cpus(print_thermal, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2232}
2233
2234int fork_it(char **argv)
2235{
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2236 pid_t child_pid;
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2237 int status;
Len Brownd15cf7c2012-06-03 23:24:00 -0400[diff] [blame]2238
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2239 status = for_all_cpus(get_counters, EVEN_COUNTERS);
2240 if (status)
2241 exit(status);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2242 /* clear affinity side-effect of get_counters() */
2243 sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2244 gettimeofday(&tv_even, (struct timezone *)NULL);
2245
2246 child_pid = fork();
2247 if (!child_pid) {
2248 /* child */
2249 execvp(argv[0], argv);
2250 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2251
2252 /* parent */
2253 if (child_pid == -1) {
2254 perror("fork");
2255 exit(1);
2256 }
2257
2258 signal(SIGINT, SIG_IGN);
2259 signal(SIGQUIT, SIG_IGN);
2260 if (waitpid(child_pid, &status, 0) == -1) {
2261 perror("wait");
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2262 exit(status);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2263 }
2264 }
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2265 /*
2266 * n.b. fork_it() does not check for errors from for_all_cpus()
2267 * because re-starting is problematic when forking
2268 */
2269 for_all_cpus(get_counters, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2270 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2271 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2272 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
2273 compute_average(EVEN_COUNTERS);
2274 format_all_counters(EVEN_COUNTERS);
2275 flush_stderr();
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2276
Justin P. Mattock6eab04a2011-04-08 19:49:08 -0700[diff] [blame]2277 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]2278
Len Brownd91bb172012-11-01 00:08:19 -0400[diff] [blame]2279 return status;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2280}
2281
2282void cmdline(int argc, char **argv)
2283{
2284 int opt;
2285
2286 progname = argv[0];
2287
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2288 while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:RT:")) != -1) {
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2289 switch (opt) {
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2290 case 'p':
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2291 show_core_only++;
2292 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2293 case 'P':
Len Brownc98d5d92012-06-04 00:56:40 -0400[diff] [blame]2294 show_pkg_only++;
2295 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2296 case 'S':
Len Browne23da032012-02-06 18:37:16 -0500[diff] [blame]2297 summary_only++;
2298 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2299 case 'v':
2300 verbose++;
2301 break;
2302 case 'i':
2303 interval_sec = atoi(optarg);
2304 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2305 case 'c':
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]2306 sscanf(optarg, "%x", &extra_delta_offset32);
2307 break;
Len Brownf9240812012-10-06 15:26:31 -0400[diff] [blame]2308 case 'C':
Len Brown8e180f32012-09-22 01:25:08 -0400[diff] [blame]2309 sscanf(optarg, "%x", &extra_delta_offset64);
2310 break;
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]2311 case 'm':
2312 sscanf(optarg, "%x", &extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400[diff] [blame]2313 break;
2314 case 'M':
2315 sscanf(optarg, "%x", &extra_msr_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2316 break;
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2317 case 'R':
2318 rapl_verbose++;
2319 break;
2320 case 'T':
2321 tcc_activation_temp_override = atoi(optarg);
2322 break;
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2323 default:
2324 usage();
2325 }
2326 }
2327}
2328
2329int main(int argc, char **argv)
2330{
2331 cmdline(argc, argv);
2332
Len Brown889facb2012-11-08 00:48:57 -0500[diff] [blame]2333 if (verbose)
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800[diff] [blame]2334 fprintf(stderr, "turbostat v3.4 April 17, 2013"
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2335 " - Len Brown <lenb@kernel.org>\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400[diff] [blame]2336
2337 turbostat_init();
2338
2339 /*
2340 * if any params left, it must be a command to fork
2341 */
2342 if (argc - optind)
2343 return fork_it(argv + optind);
2344 else
2345 turbostat_loop();
2346
2347 return 0;
2348}