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tools/power turbostat: show GFXMHz 

Under the column "GFXMHz", show a snapshot of this attribute:
/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz

This is an instantaneous snapshot of what sysfs presents
at the end of the measurement interval.  turbostat does
not average or otherwise perform any math on this value.

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2016-02-27 00:37:54 -05:00
parent 562a2d377b
commit 27d47356b6
1 changed files with 49 additions and 1 deletions
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50
tools/power/x86/turbostat/turbostat.c
View File

@ -90,6 +90,8 @@ char *output_buffer, *outp;
unsigned int do_rapl;
unsigned int do_dts;
unsigned int do_ptm;
unsigned int do_gfx_mhz;
unsigned int gfx_cur_mhz;
unsigned int tcc_activation_temp;
unsigned int tcc_activation_temp_override;
double rapl_power_units, rapl_time_units;
@ -183,6 +185,7 @@ struct pkg_data {
unsigned long long pkg_any_core_c0;
unsigned long long pkg_any_gfxe_c0;
unsigned long long pkg_both_core_gfxe_c0;
unsigned int gfx_mhz;
unsigned int package_id;
unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
@ -311,7 +314,7 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
/*
* Example Format w/ field column widths:
*
* Package Core CPU Avg_MHz Bzy_MHz TSC_MHz IRQ SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
* Package Core CPU Avg_MHz Bzy_MHz TSC_MHz IRQ SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp GFXMHz Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
* 12345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
*/
@ -362,6 +365,9 @@ void print_header(void)
if (do_ptm)
outp += sprintf(outp, " PkgTmp");
if (do_gfx_mhz)
outp += sprintf(outp, " GFXMHz");
if (do_skl_residency) {
outp += sprintf(outp, " Totl%%C0");
outp += sprintf(outp, " Any%%C0");
@ -608,6 +614,10 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (do_ptm)
outp += sprintf(outp, "%8d", p->pkg_temp_c);
/* GFXMHz */
if (do_gfx_mhz)
outp += sprintf(outp, "%8d", p->gfx_mhz);
/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
if (do_skl_residency) {
outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc);
@ -746,6 +756,8 @@ delta_package(struct pkg_data *new, struct pkg_data *old)
old->pc10 = new->pc10 - old->pc10;
old->pkg_temp_c = new->pkg_temp_c;
old->gfx_mhz = new->gfx_mhz;
DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
DELTA_WRAP32(new->energy_cores, old->energy_cores);
DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
@ -909,6 +921,8 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
p->rapl_pkg_perf_status = 0;
p->rapl_dram_perf_status = 0;
p->pkg_temp_c = 0;
p->gfx_mhz = 0;
}
int sum_counters(struct thread_data *t, struct core_data *c,
struct pkg_data *p)
@ -961,6 +975,8 @@ int sum_counters(struct thread_data *t, struct core_data *c,
average.packages.energy_cores += p->energy_cores;
average.packages.energy_gfx += p->energy_gfx;
average.packages.gfx_mhz = p->gfx_mhz;
average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
@ -1176,6 +1192,9 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
return -17;
p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
}
if (do_gfx_mhz)
p->gfx_mhz = gfx_cur_mhz;
return 0;
}
@ -1825,6 +1844,30 @@ int snapshot_proc_interrupts(void)
}
return 0;
}
/*
* snapshot_gfx_mhz()
*
* record snapshot of
* /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
*
* return 1 if config change requires a restart, else return 0
*/
int snapshot_gfx_mhz(void)
{
static FILE *fp;
int retval;
if (fp == NULL)
fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
else
rewind(fp);
retval = fscanf(fp, "%d", &gfx_cur_mhz);
if (retval != 1)
err(1, "GFX MHz");
return 0;
}
/*
* snapshot /proc and /sys files
@ -1836,6 +1879,9 @@ int snapshot_proc_sysfs_files(void)
if (snapshot_proc_interrupts())
return 1;
if (do_gfx_mhz)
snapshot_gfx_mhz();
return 0;
}
@ -3111,6 +3157,8 @@ void process_cpuid()
if (has_skl_msrs(family, model))
calculate_tsc_tweak();
do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK);
return;
}