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tools/power turbostat: indicate SMX and SGX support

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SGX presence is related to a SKL power workaround,
so lets show when that is enabled.

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2016-03-11 13:26:03 -05:00
parent 0102b06747
commit aa8d8cc79a
1 changed files with 27 additions and 1 deletions
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28
tools/power/x86/turbostat/turbostat.c
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@ -3052,6 +3052,17 @@ guess:
return 0;
}
void decode_feature_control_msr(void)
{
unsigned long long msr;
if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr))
fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n",
base_cpu, msr,
msr & FEATURE_CONTROL_LOCKED ? "" : "UN-",
msr & (1 << 18) ? "SGX" : "");
}
void decode_misc_enable_msr(void)
{
unsigned long long msr;
@ -3111,9 +3122,10 @@ void process_cpuid()
if (debug) {
fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
max_level, family, model, stepping, family, model, stepping);
fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s\n",
fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n",
ecx & (1 << 0) ? "SSE3" : "-",
ecx & (1 << 3) ? "MONITOR" : "-",
ecx & (1 << 6) ? "SMX" : "-",
ecx & (1 << 7) ? "EIST" : "-",
ecx & (1 << 8) ? "TM2" : "-",
edx & (1 << 4) ? "TSC" : "-",
@ -3175,6 +3187,20 @@ void process_cpuid()
if (debug)
decode_misc_enable_msr();
if (max_level >= 0x7) {
int has_sgx;
ecx = 0;
__cpuid_count(0x7, 0, eax, ebx, ecx, edx);
has_sgx = ebx & (1 << 2);
fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-");
if (has_sgx)
decode_feature_control_msr();
}
if (max_level >= 0x15) {
unsigned int eax_crystal;
unsigned int ebx_tsc;