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Groups > linux.kernel > #1590015

[PATCH 41/44] tools/power turbostat: dump p-state software config

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From: Len Brown <len.brown@intel.com>

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: Len Brown <len.brown@intel.com>
---
 tools/power/x86/turbostat/turbostat.c | 50 +++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 2c674ad5ab80..7af5f42a9792 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -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();
-- 
2.11.0.161.g6610af872

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[GIT PULL] turbostat 17.02.24 Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 11/44] tools/power turbostat: Baytrail c-state support Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 06/44] tools/power turbostat: update MSR_PKG_CST_CONFIG_CONTROL decoding Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 24/44] x86: intel-family.h: Add GEMINI_LAKE SOC Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
    Re: [PATCH 24/44] x86: intel-family.h: Add GEMINI_LAKE SOC Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-03-02 01:00 +0100
  [PATCH 18/44] x86 msr_index.h: Define MSR_MISC_FEATURE_CONTROL Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 02/44] tools/power turbostat: Add --show and --hide parameters Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 07/44] x86: msr-index.h: Define MSR_PKG_CST_CONFIG_CONTROL Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 34/44] tools/power turbostat: Add --list option to show available header names Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 30/44] tools/power turbostat: extend --add option to accept /sys path Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 41/44] tools/power turbostat: dump p-state software config Len Brown <lenb@kernel.org> - 2017-03-01 06:50 +0100
  [PATCH 05/44] tools/power turbostat: Baytrail: remove debug line in quiet mode Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 03/44] tools/power turbostat: BYT does not have MSR_MISC_PWR_MGMT Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 12/44] tools/power turbostat: add precision to --debug frequency output Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 40/44] tools/power turbostat: show package number, even without --debug Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 08/44] intel_idle: use new name for MSR_PKG_CST_CONFIG_CONTROL Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 14/44] x86 msr-index.h: Define Atom specific core ratio MSR locations Len Brown <lenb@kernel.org> - 2017-03-01 07:00 +0100
  [PATCH 10/44] x86: msr-index.h: Remove unused MSR_NHM_SNB_PKG_CST_CFG_CTL Len Brown <lenb@kernel.org> - 2017-03-01 07:40 +0100
  [PATCH 01/44] tools/power turbostat: fix bugs in --add option Len Brown <lenb@kernel.org> - 2017-03-01 07:50 +0100
  [PATCH 16/44] tools/power turbostat: dump Atom P-states correctly Len Brown <lenb@kernel.org> - 2017-03-01 08:20 +0100
  [PATCH 13/44] tools/power turbostat: further decode MSR_IA32_MISC_ENABLE Len Brown <lenb@kernel.org> - 2017-03-01 08:20 +0100
  [PATCH 33/44] tools/power turbostat: fix zero IRQ count shown in one-shot command mode Len Brown <lenb@kernel.org> - 2017-03-01 08:20 +0100
  [PATCH 04/44] tools/power turbostat: decode Baytrail CC6 and MC6 demotion configuration Len Brown <lenb@kernel.org> - 2017-03-01 08:30 +0100
  [PATCH 09/44] tools/power turbostat: use new name for MSR_PKG_CST_CONFIG_CONTROL Len Brown <lenb@kernel.org> - 2017-03-01 09:20 +0100
  [PATCH 35/44] tools/power turbostat: use wide columns to display large numbers Len Brown <lenb@kernel.org> - 2017-03-01 10:40 +0100
  [PATCH 28/44] tools/power turbostat: fix decoding for GLM, DNV, SKX turbo-ratio limits Len Brown <lenb@kernel.org> - 2017-03-01 16:40 +0100
  [PATCH 19/44] tools/power turbostat: decode MSR_MISC_FEATURE_CONTROL Len Brown <lenb@kernel.org> - 2017-03-02 02:20 +0100

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