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Commit b3a34e93 authored by Len Brown's avatar Len Brown
Browse files

tools/power turbostat: decode CPUID(6).TURBO 



show the CPUID feature for turbo to clarify the case
when it may not be shown in MISC_ENABLE

CPUID(6): APERF, TURBO, DTS, PTM, No-HWP, No-HWPnotify, No-HWPwindow, No-HWPepp, No-HWPpkg, EPB
cpu4: MSR_IA32_MISC_ENABLE: 0x00850089 (TCC EIST MWAIT TURBO)

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 0f7887c4

tools/power/x86/turbostat/turbostat.c

+4 −1
Original line number Diff line number Diff line
@@ -3626,6 +3626,7 @@ void process_cpuid() 
{

	unsigned int eax, ebx, ecx, edx, max_level, max_extended_level;

	unsigned int fms, family, model, stepping;

	unsigned int has_turbo;



	eax = ebx = ecx = edx = 0;
@@ -3696,6 +3697,7 @@ void process_cpuid() 
	do_dts = eax & (1 << 0);

	if (do_dts)

		BIC_PRESENT(BIC_CoreTmp);

	has_turbo = eax & (1 << 1);

	do_ptm = eax & (1 << 6);

	if (do_ptm)

		BIC_PRESENT(BIC_PkgTmp);
@@ -3707,9 +3709,10 @@ void process_cpuid() 
	has_epb = ecx & (1 << 3);



	if (debug)

		fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, "

		fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, "

			"%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n",

			has_aperf ? "" : "No-",

			has_turbo ? "" : "No-",

			do_dts ? "" : "No-",

			do_ptm ? "" : "No-",

			has_hwp ? "" : "No-",