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tools/power turbostat: Add Power Limit4 support

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Add Power Limit4 support.

Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Sumeet Pawnikar 2021-08-20 17:42:43 +05:30 committed by Len Brown
parent 6799ba84ca
commit f52ba93190
2 changed files with 10 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
arch/x86/include/asm/msr-index.h
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@ -310,6 +310,7 @@
/* Run Time Average Power Limiting (RAPL) Interface */ /* Run Time Average Power Limiting (RAPL) Interface */
#define MSR_VR_CURRENT_CONFIG 0x00000601
#define MSR_RAPL_POWER_UNIT 0x00000606 #define MSR_RAPL_POWER_UNIT 0x00000606
#define MSR_PKG_POWER_LIMIT 0x00000610 #define MSR_PKG_POWER_LIMIT 0x00000610

9
tools/power/x86/turbostat/turbostat.c
View file

@ -4773,6 +4773,15 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
((msr >> 32) & 0x7FFF) * rapl_power_units, ((msr >> 32) & 0x7FFF) * rapl_power_units,
(1.0 + (((msr >> 54) & 0x3) / 4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, (1.0 + (((msr >> 54) & 0x3) / 4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
((msr >> 48) & 1) ? "EN" : "DIS"); ((msr >> 48) & 1) ? "EN" : "DIS");
if (get_msr(cpu, MSR_VR_CURRENT_CONFIG, &msr))
return -9;
fprintf(outf, "cpu%d: MSR_VR_CURRENT_CONFIG: 0x%08llx\n", cpu, msr);
fprintf(outf, "cpu%d: PKG Limit #4: %f Watts (%slocked)\n",
cpu,
((msr >> 0) & 0x1FFF) * rapl_power_units,
(msr >> 31) & 1 ? "" : "UN");
} }
if (do_rapl & RAPL_DRAM_POWER_INFO) { if (do_rapl & RAPL_DRAM_POWER_INFO) {