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tools/power turbostat: add [-m MSR#] option

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-m MSR# prints the specified MSR in 32-bit format
-M MSR# prints the specified MSR in 64-bit format

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2012-09-21 23:45:46 -04:00
parent 130ff304f6
commit 2f32edf12c
2 changed files with 67 additions and 17 deletions
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70
tools/power/x86/turbostat/turbostat.c
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@@ -63,7 +63,8 @@ unsigned int has_invariant_tsc;
unsigned int do_nehalem_platform_info;
unsigned int do_nehalem_turbo_ratio_limit;
unsigned int do_ivt_turbo_ratio_limit;
unsigned int extra_msr_offset;
unsigned int extra_msr_offset32;
unsigned int extra_msr_offset64;
double bclk;
unsigned int show_pkg;
unsigned int show_core;
@@ -84,7 +85,8 @@ 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 int extra_msr32;
unsigned int cpu_id;
unsigned int flags;
#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
@@ -206,6 +208,24 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
return 0;
}
/*
* Truncate the 8 bytes we read from /dev/cpu/.../msr
* to the 4 bytes requested
*/
int get_msr32(int cpu, off_t offset, unsigned int *msr)
{
int retval;
unsigned long long msr64;
retval = get_msr(cpu, offset, &msr64);
*msr = (unsigned int) msr64;
return retval;
}
void print_header(void)
{
if (show_pkg)
@@ -223,8 +243,10 @@ void print_header(void)
if (has_aperf)
outp += sprintf(outp, " GHz");
outp += sprintf(outp, " TSC");
if (extra_msr_offset)
outp += sprintf(outp, " MSR 0x%04X", extra_msr_offset);
if (extra_msr_offset32)
outp += sprintf(outp, " MSR 0x%04X", extra_msr_offset32);
if (extra_msr_offset64)
outp += sprintf(outp, " MSR 0x%04X", extra_msr_offset64);
if (do_nhm_cstates)
outp += sprintf(outp, " %%c1");
if (do_nhm_cstates)
@@ -256,8 +278,10 @@ 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: %08X\n",
extra_msr_offset32, t->extra_msr32);
fprintf(stderr, "msr0x%x: %016llX\n",
extra_msr_offset, t->extra_msr);
extra_msr_offset64, t->extra_msr64);
}
if (c) {
@@ -361,9 +385,13 @@ int format_counters(struct thread_data *t, struct core_data *c,
/* TSC */
outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
/* msr */
if (extra_msr_offset32)
outp += sprintf(outp, " 0x%08x", t->extra_msr32);
/* MSR */
if (extra_msr_offset)
outp += sprintf(outp, " 0x%016llx", t->extra_msr);
if (extra_msr_offset64)
outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
if (do_nhm_cstates) {
if (!skip_c1)
@@ -506,9 +534,10 @@ delta_thread(struct thread_data *new, struct thread_data *old,
}
/*
* for "extra msr", just copy the latest w/o subtracting
* Extra MSR is 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,
@@ -632,8 +661,12 @@ 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_msr_offset32)
if (get_msr32(cpu, extra_msr_offset32, &t->extra_msr32))
return -5;
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 */
@@ -1242,7 +1275,7 @@ void check_cpuid()
void usage()
{
fprintf(stderr, "%s: [-v] [-M MSR#] [-i interval_sec | command ...]\n",
fprintf(stderr, "%s: [-v] [-m msr#] [-M MSR#] [-i interval_sec | command ...]\n",
progname);
exit(1);
}
@@ -1532,7 +1565,7 @@ void cmdline(int argc, char **argv)
progname = argv[0];
while ((opt = getopt(argc, argv, "+cpsvi:M:")) != -1) {
while ((opt = getopt(argc, argv, "+cpsvi:m:M:")) != -1) {
switch (opt) {
case 'c':
show_core_only++;
@@ -1549,10 +1582,15 @@ void cmdline(int argc, char **argv)
case 'i':
interval_sec = atoi(optarg);
break;
case 'M':
sscanf(optarg, "%x", &extra_msr_offset);
case 'm':
sscanf(optarg, "%x", &extra_msr_offset32);
if (verbose > 1)
fprintf(stderr, "MSR 0x%X\n", extra_msr_offset);
fprintf(stderr, "msr 0x%X\n", extra_msr_offset32);
break;
case 'M':
sscanf(optarg, "%x", &extra_msr_offset64);
if (verbose > 1)
fprintf(stderr, "MSR 0x%X\n", extra_msr_offset64);
break;
default:
usage();