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Commit aa8d8cc7 authored by Len Brown's avatar Len Brown
Browse files

tools/power turbostat: indicate SMX and SGX support 



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

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 0102b067

tools/power/x86/turbostat/turbostat.c

+27 −1
Original line number Diff line number Diff line
@@ -3052,6 +3052,17 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk 
	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;