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Diffstat (limited to 'tools/power/x86/turbostat/turbostat.c')
-rw-r--r--tools/power/x86/turbostat/turbostat.c214
1 files changed, 189 insertions, 25 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 861d7719020..2655ae9a3ad 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -35,9 +35,9 @@
#include <ctype.h>
#include <sched.h>
-#define MSR_TSC 0x10
#define MSR_NEHALEM_PLATFORM_INFO 0xCE
#define MSR_NEHALEM_TURBO_RATIO_LIMIT 0x1AD
+#define MSR_IVT_TURBO_RATIO_LIMIT 0x1AE
#define MSR_APERF 0xE8
#define MSR_MPERF 0xE7
#define MSR_PKG_C2_RESIDENCY 0x60D /* SNB only */
@@ -62,7 +62,11 @@ unsigned int genuine_intel;
unsigned int has_invariant_tsc;
unsigned int do_nehalem_platform_info;
unsigned int do_nehalem_turbo_ratio_limit;
-unsigned int extra_msr_offset;
+unsigned int do_ivt_turbo_ratio_limit;
+unsigned int extra_msr_offset32;
+unsigned int extra_msr_offset64;
+unsigned int extra_delta_offset32;
+unsigned int extra_delta_offset64;
double bclk;
unsigned int show_pkg;
unsigned int show_core;
@@ -83,7 +87,10 @@ struct thread_data {
unsigned long long aperf;
unsigned long long mperf;
unsigned long long c1; /* derived */
- unsigned long long extra_msr;
+ unsigned long long extra_msr64;
+ unsigned long long extra_delta64;
+ unsigned long long extra_msr32;
+ unsigned long long extra_delta32;
unsigned int cpu_id;
unsigned int flags;
#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
@@ -222,6 +229,14 @@ void print_header(void)
if (has_aperf)
outp += sprintf(outp, " GHz");
outp += sprintf(outp, " TSC");
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
if (do_nhm_cstates)
outp += sprintf(outp, " %%c1");
if (do_nhm_cstates)
@@ -238,8 +253,6 @@ void print_header(void)
outp += sprintf(outp, " %%pc6");
if (do_snb_cstates)
outp += sprintf(outp, " %%pc7");
- if (extra_msr_offset)
- outp += sprintf(outp, " MSR 0x%x ", extra_msr_offset);
outp += sprintf(outp, "\n");
}
@@ -255,8 +268,14 @@ int dump_counters(struct thread_data *t, struct core_data *c,
fprintf(stderr, "aperf: %016llX\n", t->aperf);
fprintf(stderr, "mperf: %016llX\n", t->mperf);
fprintf(stderr, "c1: %016llX\n", t->c1);
+ fprintf(stderr, "msr0x%x: %08llX\n",
+ extra_delta_offset32, t->extra_delta32);
fprintf(stderr, "msr0x%x: %016llX\n",
- extra_msr_offset, t->extra_msr);
+ extra_delta_offset64, t->extra_delta64);
+ fprintf(stderr, "msr0x%x: %08llX\n",
+ extra_msr_offset32, t->extra_msr32);
+ fprintf(stderr, "msr0x%x: %016llX\n",
+ extra_msr_offset64, t->extra_msr64);
}
if (c) {
@@ -360,6 +379,21 @@ int format_counters(struct thread_data *t, struct core_data *c,
/* TSC */
outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
+ /* delta */
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " %11llu", t->extra_delta32);
+
+ /* DELTA */
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " %11llu", t->extra_delta64);
+ /* msr */
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
+
+ /* MSR */
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
+
if (do_nhm_cstates) {
if (!skip_c1)
outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc);
@@ -391,8 +425,6 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (do_snb_cstates)
outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
done:
- if (extra_msr_offset)
- outp += sprintf(outp, " 0x%016llx", t->extra_msr);
outp += sprintf(outp, "\n");
return 0;
@@ -502,10 +534,16 @@ delta_thread(struct thread_data *new, struct thread_data *old,
old->mperf = 1; /* divide by 0 protection */
}
+ old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
+ old->extra_delta32 &= 0xFFFFFFFF;
+
+ old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
+
/*
- * for "extra msr", just copy the latest w/o subtracting
+ * Extra MSR is just a snapshot, simply copy latest w/o subtracting
*/
- old->extra_msr = new->extra_msr;
+ old->extra_msr32 = new->extra_msr32;
+ old->extra_msr64 = new->extra_msr64;
}
int delta_cpu(struct thread_data *t, struct core_data *c,
@@ -533,6 +571,9 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
t->mperf = 0;
t->c1 = 0;
+ t->extra_delta32 = 0;
+ t->extra_delta64 = 0;
+
/* tells format_counters to dump all fields from this set */
t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
@@ -553,6 +594,9 @@ int sum_counters(struct thread_data *t, struct core_data *c,
average.threads.mperf += t->mperf;
average.threads.c1 += t->c1;
+ average.threads.extra_delta32 += t->extra_delta32;
+ average.threads.extra_delta64 += t->extra_delta64;
+
/* sum per-core values only for 1st thread in core */
if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
return 0;
@@ -588,6 +632,11 @@ void compute_average(struct thread_data *t, struct core_data *c,
average.threads.mperf /= topo.num_cpus;
average.threads.c1 /= topo.num_cpus;
+ average.threads.extra_delta32 /= topo.num_cpus;
+ average.threads.extra_delta32 &= 0xFFFFFFFF;
+
+ average.threads.extra_delta64 /= topo.num_cpus;
+
average.cores.c3 /= topo.num_cores;
average.cores.c6 /= topo.num_cores;
average.cores.c7 /= topo.num_cores;
@@ -629,8 +678,24 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
return -4;
}
- if (extra_msr_offset)
- if (get_msr(cpu, extra_msr_offset, &t->extra_msr))
+ if (extra_delta_offset32) {
+ if (get_msr(cpu, extra_delta_offset32, &t->extra_delta32))
+ return -5;
+ t->extra_delta32 &= 0xFFFFFFFF;
+ }
+
+ if (extra_delta_offset64)
+ if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
+ return -5;
+
+ if (extra_msr_offset32) {
+ if (get_msr(cpu, extra_msr_offset32, &t->extra_msr32))
+ return -5;
+ t->extra_msr32 &= 0xFFFFFFFF;
+ }
+
+ if (extra_msr_offset64)
+ if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
return -5;
/* collect core counters only for 1st thread in core */
@@ -677,6 +742,9 @@ void print_verbose_header(void)
get_msr(0, MSR_NEHALEM_PLATFORM_INFO, &msr);
+ if (verbose > 1)
+ fprintf(stderr, "MSR_NEHALEM_PLATFORM_INFO: 0x%llx\n", msr);
+
ratio = (msr >> 40) & 0xFF;
fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
ratio, bclk, ratio * bclk);
@@ -685,14 +753,84 @@ void print_verbose_header(void)
fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
ratio, bclk, ratio * bclk);
+ if (!do_ivt_turbo_ratio_limit)
+ goto print_nhm_turbo_ratio_limits;
+
+ get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
+
if (verbose > 1)
- fprintf(stderr, "MSR_NEHALEM_PLATFORM_INFO: 0x%llx\n", msr);
+ fprintf(stderr, "MSR_IVT_TURBO_RATIO_LIMIT: 0x%llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 24) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 16) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 8) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 0) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+print_nhm_turbo_ratio_limits:
if (!do_nehalem_turbo_ratio_limit)
return;
get_msr(0, MSR_NEHALEM_TURBO_RATIO_LIMIT, &msr);
+ if (verbose > 1)
+ fprintf(stderr, "MSR_NEHALEM_TURBO_RATIO_LIMIT: 0x%llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
+ ratio, bclk, ratio * bclk);
+
ratio = (msr >> 24) & 0xFF;
if (ratio)
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
@@ -712,7 +850,6 @@ void print_verbose_header(void)
if (ratio)
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
ratio, bclk, ratio * bclk);
-
}
void free_all_buffers(void)
@@ -1038,7 +1175,7 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
case 0x2A: /* SNB */
case 0x2D: /* SNB Xeon */
case 0x3A: /* IVB */
- case 0x3D: /* IVB Xeon */
+ case 0x3E: /* IVB Xeon */
return 1;
case 0x2E: /* Nehalem-EX Xeon - Beckton */
case 0x2F: /* Westmere-EX Xeon - Eagleton */
@@ -1046,6 +1183,22 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
return 0;
}
}
+int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
+{
+ if (!genuine_intel)
+ return 0;
+
+ if (family != 6)
+ return 0;
+
+ switch (model) {
+ case 0x3E: /* IVB Xeon */
+ return 1;
+ default:
+ return 0;
+ }
+}
+
int is_snb(unsigned int family, unsigned int model)
{
@@ -1056,7 +1209,7 @@ int is_snb(unsigned int family, unsigned int model)
case 0x2A:
case 0x2D:
case 0x3A: /* IVB */
- case 0x3D: /* IVB Xeon */
+ case 0x3E: /* IVB Xeon */
return 1;
}
return 0;
@@ -1145,12 +1298,13 @@ void check_cpuid()
bclk = discover_bclk(family, model);
do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
+ do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
}
void usage()
{
- fprintf(stderr, "%s: [-v] [-M MSR#] [-i interval_sec | command ...]\n",
+ fprintf(stderr, "%s: [-v][-p|-P|-S][-c MSR# | -s]][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n",
progname);
exit(1);
}
@@ -1440,15 +1594,15 @@ void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt(argc, argv, "+cpsvi:M:")) != -1) {
+ while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) {
switch (opt) {
- case 'c':
+ case 'p':
show_core_only++;
break;
- case 'p':
+ case 'P':
show_pkg_only++;
break;
- case 's':
+ case 'S':
summary_only++;
break;
case 'v':
@@ -1457,10 +1611,20 @@ void cmdline(int argc, char **argv)
case 'i':
interval_sec = atoi(optarg);
break;
+ case 'c':
+ sscanf(optarg, "%x", &extra_delta_offset32);
+ break;
+ case 's':
+ extra_delta_offset32 = 0x34; /* SMI counter */
+ break;
+ case 'C':
+ sscanf(optarg, "%x", &extra_delta_offset64);
+ break;
+ case 'm':
+ sscanf(optarg, "%x", &extra_msr_offset32);
+ break;
case 'M':
- sscanf(optarg, "%x", &extra_msr_offset);
- if (verbose > 1)
- fprintf(stderr, "MSR 0x%X\n", extra_msr_offset);
+ sscanf(optarg, "%x", &extra_msr_offset64);
break;
default:
usage();
@@ -1473,7 +1637,7 @@ int main(int argc, char **argv)
cmdline(argc, argv);
if (verbose > 1)
- fprintf(stderr, "turbostat v2.0 May 16, 2012"
+ fprintf(stderr, "turbostat v2.1 October 6, 2012"
" - Len Brown <lenb@kernel.org>\n");
turbostat_init();