Commit f52ba931 authored by Sumeet Pawnikar's avatar Sumeet Pawnikar Committed by Len Brown
Browse files

tools/power turbostat: Add Power Limit4 support 



Add Power Limit4 support.

Signed-off-by: default avatarSumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Acked-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 6799ba84

arch/x86/include/asm/msr-index.h

+1 −0
Original line number Diff line number Diff line
@@ -310,6 +310,7 @@ 


/* Run Time Average Power Limiting (RAPL) Interface */



#define MSR_VR_CURRENT_CONFIG	0x00000601

#define MSR_RAPL_POWER_UNIT		0x00000606



#define MSR_PKG_POWER_LIMIT		0x00000610

tools/power/x86/turbostat/turbostat.c

+9 −0
Original line number Diff line number Diff line
@@ -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,

			(1.0 + (((msr >> 54) & 0x3) / 4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,

			((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) {