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authorLen Brown <len.brown@intel.com>2022-05-13 10:35:39 +0300
committerLen Brown <len.brown@intel.com>2022-07-28 21:23:25 +0300
commita5c6d65d06ebd09251fc3ff43f600d4d70966a4d (patch)
tree8fc27430fcc0e4f83b04cc01940406e10c5adf2e /tools/power
parent5e5fd36c58d6c820f7292ee492c3731c9a104a41 (diff)
downloadlinux-a5c6d65d06ebd09251fc3ff43f600d4d70966a4d.tar.xz
tools/power turbostat: Show uncore frequency
When CONFIG_INTEL_UNCORE_FREQ_CONTROL is effective, (Linux 5.9 and later), print the current (and default) min and max uncore frequency limits. When that driver provides the current uncore frequency (Linux 5.18 and later), print a UncMHz column reflecting the current uncore frequency. Note that UncMHz is an instantaneous sample, not an average. eg. $ sudo ./turbostat -S --show frequency ... Uncore Frequency pkg0 die0: 800 - 3900 MHz (800 - 3900 MHz) ... Avg_MHz Busy% Bzy_MHz TSC_MHz UncMHz 28 0.70 4049 3095 3900 Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/x86/turbostat/turbostat.c89
1 files changed, 88 insertions, 1 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c451fafd2e3b..1e05caeb6ff0 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -126,6 +126,7 @@ struct msr_counter bic[] = {
{ 0x0, "GFXAMHz", "", 0, 0, 0, NULL, 0 },
{ 0x0, "IPC", "", 0, 0, 0, NULL, 0 },
{ 0x0, "CoreThr", "", 0, 0, 0, NULL, 0 },
+ { 0x0, "UncMHz", "", 0, 0, 0, NULL, 0 },
};
#define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
@@ -183,10 +184,11 @@ struct msr_counter bic[] = {
#define BIC_GFXACTMHz (1ULL << 51)
#define BIC_IPC (1ULL << 52)
#define BIC_CORE_THROT_CNT (1ULL << 53)
+#define BIC_UNCORE_MHZ (1ULL << 54)
#define BIC_TOPOLOGY (BIC_Package | BIC_Node | BIC_CoreCnt | BIC_PkgCnt | BIC_Core | BIC_CPU | BIC_Die )
#define BIC_THERMAL_PWR ( BIC_CoreTmp | BIC_PkgTmp | BIC_PkgWatt | BIC_CorWatt | BIC_GFXWatt | BIC_RAMWatt | BIC_PKG__ | BIC_RAM__)
-#define BIC_FREQUENCY ( BIC_Avg_MHz | BIC_Busy | BIC_Bzy_MHz | BIC_TSC_MHz | BIC_GFXMHz | BIC_GFXACTMHz )
+#define BIC_FREQUENCY ( BIC_Avg_MHz | BIC_Busy | BIC_Bzy_MHz | BIC_TSC_MHz | BIC_GFXMHz | BIC_GFXACTMHz | BIC_UNCORE_MHZ)
#define BIC_IDLE ( BIC_sysfs | BIC_CPU_c1 | BIC_CPU_c3 | BIC_CPU_c6 | BIC_CPU_c7 | BIC_GFX_rc6 | BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_CPU_LPI | BIC_SYS_LPI | BIC_Mod_c6 | BIC_Totl_c0 | BIC_Any_c0 | BIC_GFX_c0 | BIC_CPUGFX)
#define BIC_OTHER ( BIC_IRQ | BIC_SMI | BIC_ThreadC | BIC_CoreTmp | BIC_IPC)
@@ -393,6 +395,7 @@ struct pkg_data {
unsigned long long rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
unsigned long long rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
unsigned int pkg_temp_c;
+ unsigned int uncore_mhz;
unsigned long long counter[MAX_ADDED_COUNTERS];
} *package_even, *package_odd;
@@ -988,6 +991,9 @@ void print_header(char *delim)
if (DO_BIC(BIC_RAM__))
outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
}
+ if (DO_BIC(BIC_UNCORE_MHZ))
+ outp += sprintf(outp, "%sUncMHz", (printed++ ? delim : ""));
+
for (mp = sys.pp; mp; mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 64)
@@ -1370,6 +1376,9 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
outp +=
sprintf(outp, fmt8, (printed++ ? delim : ""),
100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
+ /* UncMHz */
+ if (DO_BIC(BIC_UNCORE_MHZ))
+ outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->uncore_mhz);
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW) {
@@ -1471,6 +1480,7 @@ int delta_package(struct pkg_data *new, struct pkg_data *old)
else
old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms;
+ old->uncore_mhz = new->uncore_mhz;
old->gfx_mhz = new->gfx_mhz;
old->gfx_act_mhz = new->gfx_act_mhz;
@@ -1689,6 +1699,7 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
p->pkg_temp_c = 0;
p->gfx_rc6_ms = 0;
+ p->uncore_mhz = 0;
p->gfx_mhz = 0;
p->gfx_act_mhz = 0;
for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
@@ -1788,6 +1799,7 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.packages.energy_gfx += p->energy_gfx;
average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
+ average.packages.uncore_mhz = p->uncore_mhz;
average.packages.gfx_mhz = p->gfx_mhz;
average.packages.gfx_act_mhz = p->gfx_act_mhz;
@@ -1948,6 +1960,16 @@ int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
return 0;
}
+unsigned long long get_uncore_mhz(int package, int die)
+{
+ char path[128];
+
+ sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/current_freq_khz", package,
+ die);
+
+ return (snapshot_sysfs_counter(path) / 1000);
+}
+
int get_epb(int cpu)
{
char path[128 + PATH_BYTES];
@@ -2297,6 +2319,10 @@ retry:
if (DO_BIC(BIC_GFX_rc6))
p->gfx_rc6_ms = gfx_cur_rc6_ms;
+ /* n.b. assume die0 uncore frequency applies to whole package */
+ if (DO_BIC(BIC_UNCORE_MHZ))
+ p->uncore_mhz = get_uncore_mhz(p->package_id, 0);
+
if (DO_BIC(BIC_GFXMHz))
p->gfx_mhz = gfx_cur_mhz;
@@ -4098,6 +4124,24 @@ static void dump_cstate_pstate_config_info(unsigned int family, unsigned int mod
dump_nhm_cst_cfg();
}
+static int read_sysfs_int(char *path)
+{
+ FILE *input;
+ int retval = -1;
+
+ input = fopen(path, "r");
+ if (input == NULL) {
+ if (debug)
+ fprintf(outf, "NSFOD %s\n", path);
+ return (-1);
+ }
+ if (fscanf(input, "%d", &retval) != 1)
+ err(1, "%s: failed to read int from file", path);
+ fclose(input);
+
+ return (retval);
+}
+
static void dump_sysfs_file(char *path)
{
FILE *input;
@@ -4116,6 +4160,48 @@ static void dump_sysfs_file(char *path)
fprintf(outf, "%s: %s", strrchr(path, '/') + 1, cpuidle_buf);
}
+static void intel_uncore_frequency_probe(void)
+{
+ int i, j;
+ char path[128];
+
+ if (!genuine_intel)
+ return;
+
+ if (access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00", R_OK))
+ return;
+
+ if (!access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz", R_OK))
+ BIC_PRESENT(BIC_UNCORE_MHZ);
+
+ if (quiet)
+ return;
+
+ for (i = 0; i < topo.num_packages; ++i) {
+ for (j = 0; j < topo.num_die; ++j) {
+ int k, l;
+
+ sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/min_freq_khz",
+ i, j);
+ k = read_sysfs_int(path);
+ sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/max_freq_khz",
+ i, j);
+ l = read_sysfs_int(path);
+ fprintf(outf, "Uncore Frequency pkg%d die%d: %d - %d MHz ", i, j, k / 1000, l / 1000);
+
+ sprintf(path,
+ "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_min_freq_khz",
+ i, j);
+ k = read_sysfs_int(path);
+ sprintf(path,
+ "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_max_freq_khz",
+ i, j);
+ l = read_sysfs_int(path);
+ fprintf(outf, "(%d - %d MHz)\n", k / 1000, l / 1000);
+ }
+ }
+}
+
static void dump_sysfs_cstate_config(void)
{
char path[64];
@@ -5700,6 +5786,7 @@ void process_cpuid()
if (!quiet)
dump_cstate_pstate_config_info(family, model);
+ intel_uncore_frequency_probe();
if (!quiet)
print_dev_latency();