diff options
-rw-r--r-- | tools/power/x86/turbostat/turbostat.8 | 4 | ||||
-rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 161 |
2 files changed, 147 insertions, 18 deletions
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index a08de27..e31b721 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -47,9 +47,9 @@ name as necessary to disambiguate it from others is necessary. Note that option default: delta .fi .PP -\fB--hide column\fP do not show the specified columns. May be invoked multiple times, or with a comma-separated list of column names. +\fB--hide column\fP do not show the specified columns. May be invoked multiple times, or with a comma-separated list of column names. Use "--hide sysfs" to hide the sysfs statistics columns as a group. .PP -\fB--show column\fP show only the specified columns. May be invoked multiple times, or with a comma-separated list of column names. +\fB--show column\fP show only the specified columns. May be invoked multiple times, or with a comma-separated list of column names. Use "--show sysfs" to show the sysfs statistics columns as a group. .PP \fB--Dump\fP displays the raw counter values. .PP diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 841f837..eb6cc8c 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -208,7 +208,7 @@ struct pkg_data { #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE}; -enum counter_type {COUNTER_CYCLES, COUNTER_SECONDS}; +enum counter_type {COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC}; enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT}; struct msr_counter { @@ -222,6 +222,7 @@ struct msr_counter { unsigned int flags; #define FLAGS_HIDE (1 << 0) #define FLAGS_SHOW (1 << 1) +#define SYSFS_PERCPU (1 << 1) }; struct sys_counters { @@ -379,6 +380,7 @@ struct msr_counter bic[] = { { 0x0, "Core" }, { 0x0, "CPU" }, { 0x0, "Mod%c6" }, + { 0x0, "sysfs" }, }; #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter)) @@ -420,9 +422,10 @@ struct msr_counter bic[] = { #define BIC_Core (1ULL << 35) #define BIC_CPU (1ULL << 36) #define BIC_Mod_c6 (1ULL << 37) +#define BIC_sysfs (1ULL << 38) unsigned long long bic_enabled = 0xFFFFFFFFFFFFFFFFULL; -unsigned long long bic_present; +unsigned long long bic_present = BIC_sysfs; #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME) #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT) @@ -489,9 +492,6 @@ void print_header(void) if (DO_BIC(BIC_SMI)) outp += sprintf(outp, "\tSMI"); - if (DO_BIC(BIC_CPU_c1)) - outp += sprintf(outp, "\tCPU%%c1"); - for (mp = sys.tp; mp; mp = mp->next) { if (mp->format == FORMAT_RAW) { if (mp->width == 64) @@ -499,10 +499,12 @@ void print_header(void) else outp += sprintf(outp, "\t%10.10s", mp->name); } else { - outp += sprintf(outp, "\t%-7.7s", mp->name); + outp += sprintf(outp, "\t%s", mp->name); } } + if (DO_BIC(BIC_CPU_c1)) + outp += sprintf(outp, "\tCPU%%c1"); if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates) outp += sprintf(outp, "\tCPU%%c3"); if (DO_BIC(BIC_CPU_c6)) @@ -523,7 +525,7 @@ void print_header(void) else outp += sprintf(outp, "\t%10.10s", mp->name); } else { - outp += sprintf(outp, "\t%-7.7s", mp->name); + outp += sprintf(outp, "\t%s", mp->name); } } @@ -592,7 +594,7 @@ void print_header(void) else outp += sprintf(outp, "\t%10.10s", mp->name); } else { - outp += sprintf(outp, "\t%-7.7s", mp->name); + outp += sprintf(outp, "\t%s", mp->name); } } @@ -753,10 +755,6 @@ int format_counters(struct thread_data *t, struct core_data *c, if (DO_BIC(BIC_SMI)) outp += sprintf(outp, "\t%d", t->smi_count); - /* C1 */ - if (DO_BIC(BIC_CPU_c1)) - outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc); - /* Added counters */ for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { if (mp->format == FORMAT_RAW) { @@ -767,10 +765,18 @@ int format_counters(struct thread_data *t, struct core_data *c, } else if (mp->format == FORMAT_DELTA) { outp += sprintf(outp, "\t%lld", t->counter[i]); } else if (mp->format == FORMAT_PERCENT) { - outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc); + if (mp->type == COUNTER_USEC) + outp += sprintf(outp, "\t%.2f", t->counter[i]/interval_float/10000); + else + outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc); } } + /* C1 */ + if (DO_BIC(BIC_CPU_c1)) + outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc); + + /* print per-core data only for 1st thread in core */ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) goto done; @@ -1286,6 +1292,8 @@ void compute_average(struct thread_data *t, struct core_data *c, for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { if (mp->format == FORMAT_RAW) continue; + if (mp->flags & SYSFS_PERCPU && mp->type == COUNTER_ITEMS) + continue; average.threads.counter[i] /= topo.num_cpus; } for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { @@ -1348,7 +1356,16 @@ int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp) if (get_msr(cpu, mp->msr_num, counterp)) return -1; } else { - *counterp = snapshot_sysfs_counter(mp->path); + char path[128]; + + if (mp->flags & SYSFS_PERCPU) { + sprintf(path, "/sys/devices/system/cpu/cpu%d/%s", + cpu, mp->path); + + *counterp = snapshot_sysfs_counter(path); + } else { + *counterp = snapshot_sysfs_counter(mp->path); + } } return 0; @@ -2822,6 +2839,48 @@ dump_cstate_pstate_config_info(unsigned int family, unsigned int model) dump_nhm_cst_cfg(); } +static void +dump_sysfs_cstate_config(void) +{ + char path[64]; + char name_buf[16]; + char desc[64]; + FILE *input; + int state; + char *sp; + + if (!DO_BIC(BIC_sysfs)) + return; + + for (state = 0; state < 10; ++state) { + + sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", + base_cpu, state); + input = fopen(path, "r"); + if (input == NULL) + continue; + fgets(name_buf, sizeof(name_buf), input); + + /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ + sp = strchr(name_buf, '-'); + if (!sp) + sp = strchrnul(name_buf, '\n'); + *sp = '\0'; + + fclose(input); + + sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc", + base_cpu, state); + input = fopen(path, "r"); + if (input == NULL) + continue; + fgets(desc, sizeof(desc), input); + + fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc); + fclose(input); + } +} + /* * print_epb() @@ -4008,6 +4067,9 @@ void process_cpuid() if (!quiet) dump_cstate_pstate_config_info(family, model); + if (!quiet) + dump_sysfs_cstate_config(); + if (has_skl_msrs(family, model)) calculate_tsc_tweak(); @@ -4380,7 +4442,7 @@ void print_version() { int add_counter(unsigned int msr_num, char *path, char *name, unsigned int width, enum counter_scope scope, - enum counter_type type, enum counter_format format) + enum counter_type type, enum counter_format format, int flags) { struct msr_counter *msrp; @@ -4397,6 +4459,7 @@ int add_counter(unsigned int msr_num, char *path, char *name, msrp->width = width; msrp->type = type; msrp->format = format; + msrp->flags = flags; switch (scope) { @@ -4486,6 +4549,10 @@ void parse_add_command(char *add_command) type = COUNTER_SECONDS; goto next; } + if (!strncmp(add_command, "usec", strlen("usec"))) { + type = COUNTER_USEC; + goto next; + } if (!strncmp(add_command, "raw", strlen("raw"))) { format = FORMAT_RAW; goto next; @@ -4541,7 +4608,7 @@ next: } } - if (add_counter(msr_num, path, name_buffer, width, scope, type, format)) + if (add_counter(msr_num, path, name_buffer, width, scope, type, format, 0)) fail++; if (fail) { @@ -4549,6 +4616,65 @@ next: exit(1); } } + +void probe_sysfs(void) +{ + char path[64]; + char name_buf[16]; + FILE *input; + int state; + char *sp; + + if (!DO_BIC(BIC_sysfs)) + return; + + for (state = 10; state > 0; --state) { + + sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", + base_cpu, state); + input = fopen(path, "r"); + if (input == NULL) + continue; + fgets(name_buf, sizeof(name_buf), input); + + /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ + sp = strchr(name_buf, '-'); + if (!sp) + sp = strchrnul(name_buf, '\n'); + *sp = '%'; + *(sp + 1) = '\0'; + + fclose(input); + + sprintf(path, "cpuidle/state%d/time", state); + + add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_USEC, + FORMAT_PERCENT, SYSFS_PERCPU); + } + + for (state = 10; state > 0; --state) { + + sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", + base_cpu, state); + input = fopen(path, "r"); + if (input == NULL) + continue; + fgets(name_buf, sizeof(name_buf), input); + /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ + sp = strchr(name_buf, '-'); + if (!sp) + sp = strchrnul(name_buf, '\n'); + *sp = '\0'; + fclose(input); + + sprintf(path, "cpuidle/state%d/usage", state); + + add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_ITEMS, + FORMAT_DELTA, SYSFS_PERCPU); + } + +} + /* * HIDE_LIST - hide this list of counters, show the rest [default] * SHOW_LIST - show this list of counters, hide the rest @@ -4581,6 +4707,7 @@ void parse_show_hide(char *optarg, enum show_hide_mode new_mode) * multiple invocations simply clear more bits in enabled mask */ bic_enabled &= ~bic_lookup(optarg); + } void cmdline(int argc, char **argv) @@ -4682,6 +4809,8 @@ int main(int argc, char **argv) if (!quiet) print_version(); + probe_sysfs(); + turbostat_init(); /* dump counters and exit */ |