diff options
Diffstat (limited to 'tools/perf/util/stat.h')
| -rw-r--r-- | tools/perf/util/stat.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h new file mode 100644 index 000000000..05c5125d7 --- /dev/null +++ b/tools/perf/util/stat.h @@ -0,0 +1,279 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_STATS_H +#define __PERF_STATS_H + +#include <linux/types.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/resource.h> +#include "cpumap.h" +#include "rblist.h" + +struct perf_cpu_map; +struct perf_stat_config; +struct timespec; + +struct stats { + double n, mean, M2; + u64 max, min; +}; + +enum perf_stat_evsel_id { + PERF_STAT_EVSEL_ID__NONE = 0, + PERF_STAT_EVSEL_ID__CYCLES_IN_TX, + PERF_STAT_EVSEL_ID__TRANSACTION_START, + PERF_STAT_EVSEL_ID__ELISION_START, + PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, + PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, + PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, + PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, + PERF_STAT_EVSEL_ID__TOPDOWN_RETIRING, + PERF_STAT_EVSEL_ID__TOPDOWN_BAD_SPEC, + PERF_STAT_EVSEL_ID__TOPDOWN_FE_BOUND, + PERF_STAT_EVSEL_ID__TOPDOWN_BE_BOUND, + PERF_STAT_EVSEL_ID__TOPDOWN_HEAVY_OPS, + PERF_STAT_EVSEL_ID__TOPDOWN_BR_MISPREDICT, + PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_LAT, + PERF_STAT_EVSEL_ID__TOPDOWN_MEM_BOUND, + PERF_STAT_EVSEL_ID__SMI_NUM, + PERF_STAT_EVSEL_ID__APERF, + PERF_STAT_EVSEL_ID__MAX, +}; + +struct perf_stat_evsel { + struct stats res_stats; + enum perf_stat_evsel_id id; + u64 *group_data; +}; + +enum aggr_mode { + AGGR_NONE, + AGGR_GLOBAL, + AGGR_SOCKET, + AGGR_DIE, + AGGR_CORE, + AGGR_THREAD, + AGGR_UNSET, + AGGR_NODE, + AGGR_MAX +}; + +enum { + CTX_BIT_USER = 1 << 0, + CTX_BIT_KERNEL = 1 << 1, + CTX_BIT_HV = 1 << 2, + CTX_BIT_HOST = 1 << 3, + CTX_BIT_IDLE = 1 << 4, + CTX_BIT_MAX = 1 << 5, +}; + +#define NUM_CTX CTX_BIT_MAX + +enum stat_type { + STAT_NONE = 0, + STAT_NSECS, + STAT_CYCLES, + STAT_STALLED_CYCLES_FRONT, + STAT_STALLED_CYCLES_BACK, + STAT_BRANCHES, + STAT_CACHEREFS, + STAT_L1_DCACHE, + STAT_L1_ICACHE, + STAT_LL_CACHE, + STAT_ITLB_CACHE, + STAT_DTLB_CACHE, + STAT_CYCLES_IN_TX, + STAT_TRANSACTION, + STAT_ELISION, + STAT_TOPDOWN_TOTAL_SLOTS, + STAT_TOPDOWN_SLOTS_ISSUED, + STAT_TOPDOWN_SLOTS_RETIRED, + STAT_TOPDOWN_FETCH_BUBBLES, + STAT_TOPDOWN_RECOVERY_BUBBLES, + STAT_TOPDOWN_RETIRING, + STAT_TOPDOWN_BAD_SPEC, + STAT_TOPDOWN_FE_BOUND, + STAT_TOPDOWN_BE_BOUND, + STAT_TOPDOWN_HEAVY_OPS, + STAT_TOPDOWN_BR_MISPREDICT, + STAT_TOPDOWN_FETCH_LAT, + STAT_TOPDOWN_MEM_BOUND, + STAT_SMI_NUM, + STAT_APERF, + STAT_MAX +}; + +struct runtime_stat { + struct rblist value_list; +}; + +struct rusage_stats { + struct stats ru_utime_usec_stat; + struct stats ru_stime_usec_stat; +}; + +typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu); + +struct perf_stat_config { + enum aggr_mode aggr_mode; + bool scale; + bool no_inherit; + bool identifier; + bool csv_output; + bool json_output; + bool interval_clear; + bool metric_only; + bool null_run; + bool ru_display; + bool big_num; + bool no_merge; + bool hybrid_merge; + bool walltime_run_table; + bool all_kernel; + bool all_user; + bool percore_show_thread; + bool summary; + bool no_csv_summary; + bool metric_no_group; + bool metric_no_merge; + bool stop_read_counter; + bool iostat_run; + char *user_requested_cpu_list; + bool system_wide; + FILE *output; + unsigned int interval; + unsigned int timeout; + unsigned int unit_width; + unsigned int metric_only_len; + int times; + int run_count; + int print_free_counters_hint; + int print_mixed_hw_group_error; + const char *csv_sep; + struct stats *walltime_nsecs_stats; + struct rusage ru_data; + struct rusage_stats *ru_stats; + struct cpu_aggr_map *aggr_map; + aggr_get_id_t aggr_get_id; + struct cpu_aggr_map *cpus_aggr_map; + u64 *walltime_run; + struct rblist metric_events; + int ctl_fd; + int ctl_fd_ack; + bool ctl_fd_close; + const char *cgroup_list; + unsigned int topdown_level; +}; + +void perf_stat__set_big_num(int set); +void perf_stat__set_no_csv_summary(int set); + +void update_stats(struct stats *stats, u64 val); +double avg_stats(struct stats *stats); +double stddev_stats(struct stats *stats); +double rel_stddev_stats(double stddev, double avg); + +static inline void init_stats(struct stats *stats) +{ + stats->n = 0.0; + stats->mean = 0.0; + stats->M2 = 0.0; + stats->min = (u64) -1; + stats->max = 0; +} + +static inline void init_rusage_stats(struct rusage_stats *ru_stats) { + init_stats(&ru_stats->ru_utime_usec_stat); + init_stats(&ru_stats->ru_stime_usec_stat); +} + +static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) { + const u64 us_to_ns = 1000; + const u64 s_to_ns = 1000000000; + update_stats(&ru_stats->ru_utime_usec_stat, + (rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns)); + update_stats(&ru_stats->ru_stime_usec_stat, + (rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns)); +} + +struct evsel; +struct evlist; + +struct perf_aggr_thread_value { + struct evsel *counter; + struct aggr_cpu_id id; + double uval; + u64 val; + u64 run; + u64 ena; +}; + +bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id); + +#define perf_stat_evsel__is(evsel, id) \ + __perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id) + +extern struct runtime_stat rt_stat; +extern struct stats walltime_nsecs_stats; +extern struct rusage_stats ru_stats; + +typedef void (*print_metric_t)(struct perf_stat_config *config, + void *ctx, const char *color, const char *unit, + const char *fmt, double val); +typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx); + +void runtime_stat__init(struct runtime_stat *st); +void runtime_stat__exit(struct runtime_stat *st); +void perf_stat__init_shadow_stats(void); +void perf_stat__reset_shadow_stats(void); +void perf_stat__reset_shadow_per_stat(struct runtime_stat *st); +void perf_stat__update_shadow_stats(struct evsel *counter, u64 count, + int map_idx, struct runtime_stat *st); +struct perf_stat_output_ctx { + void *ctx; + print_metric_t print_metric; + new_line_t new_line; + bool force_header; +}; + +void perf_stat__print_shadow_stats(struct perf_stat_config *config, + struct evsel *evsel, + double avg, int map_idx, + struct perf_stat_output_ctx *out, + struct rblist *metric_events, + struct runtime_stat *st); +void perf_stat__collect_metric_expr(struct evlist *); + +int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw); +void evlist__free_stats(struct evlist *evlist); +void evlist__reset_stats(struct evlist *evlist); +void evlist__reset_prev_raw_counts(struct evlist *evlist); +void evlist__copy_prev_raw_counts(struct evlist *evlist); +void evlist__save_aggr_prev_raw_counts(struct evlist *evlist); + +int perf_stat_process_counter(struct perf_stat_config *config, + struct evsel *counter); +struct perf_tool; +union perf_event; +struct perf_session; +struct target; + +int perf_event__process_stat_event(struct perf_session *session, + union perf_event *event); + +size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); +size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); +size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); + +int create_perf_stat_counter(struct evsel *evsel, + struct perf_stat_config *config, + struct target *target, + int cpu_map_idx); +void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, + struct target *_target, struct timespec *ts, int argc, const char **argv); + +struct metric_expr; +double test_generic_metric(struct metric_expr *mexp, int map_idx, struct runtime_stat *st); +#endif |