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Commit 7293fccd authored by Len Brown's avatar Len Brown
Browse files

tools/power turbostat: dump p-state software config 



cpu1: cpufreq driver: acpi-cpufreq
cpu1: cpufreq governor: ondemand
cpufreq boost: 1

or

cpu0: cpufreq driver: intel_pstate
cpu0: cpufreq governor: powersave
cpufreq intel_pstate no_turbo: 0

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 7da6e3e2

tools/power/x86/turbostat/turbostat.c

+50 −0
Original line number Diff line number Diff line
@@ -2979,6 +2979,54 @@ dump_sysfs_cstate_config(void) 
		fclose(input);

	}

}

static void

dump_sysfs_pstate_config(void)

{

	char path[64];

	char driver_buf[64];

	char governor_buf[64];

	FILE *input;

	int turbo;



	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver",

			base_cpu);

	input = fopen(path, "r");

	if (input == NULL) {

		fprintf(stderr, "NSFOD %s\n", path);

		return;

	}

	fgets(driver_buf, sizeof(driver_buf), input);

	fclose(input);



	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor",

			base_cpu);

	input = fopen(path, "r");

	if (input == NULL) {

		fprintf(stderr, "NSFOD %s\n", path);

		return;

	}

	fgets(governor_buf, sizeof(governor_buf), input);

	fclose(input);



	fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);

	fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf);



	sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");

	input = fopen(path, "r");

	if (input != NULL) {

		fscanf(input, "%d", &turbo);

		fprintf(outf, "cpufreq boost: %d\n", turbo);

		fclose(input);

	}



	sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");

	input = fopen(path, "r");

	if (input != NULL) {

		fscanf(input, "%d", &turbo);

		fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);

		fclose(input);

	}

}





/*
@@ -4168,6 +4216,8 @@ void process_cpuid() 


	if (!quiet)

		dump_sysfs_cstate_config();

	if (!quiet)

		dump_sysfs_pstate_config();



	if (has_skl_msrs(family, model))

		calculate_tsc_tweak();