diff options
Diffstat (limited to 'tools/perf/util/stat.h')
| -rw-r--r-- | tools/perf/util/stat.h | 199 |
1 files changed, 196 insertions, 3 deletions
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 588367c3c767..f986911c9296 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -1,16 +1,209 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PERF_STATS_H #define __PERF_STATS_H -#include "types.h" +#include <linux/types.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/resource.h> +#include "cpumap.h" +#include "counts.h" -struct stats -{ +struct perf_cpu_map; +struct perf_stat_config; +struct timespec; + +struct stats { double n, mean, M2; + u64 max, min; +}; + +/* hold aggregated event info */ +struct perf_stat_aggr { + /* aggregated values */ + struct perf_counts_values counts; + /* number of entries (CPUs) aggregated */ + int nr; + /* whether any entry has failed to read/process event */ + bool failed; + /* to mark this data is processed already */ + bool used; +}; + +/* per-evsel event stats */ +struct perf_stat_evsel { + /* used for repeated runs */ + struct stats res_stats; + /* number of allocated 'aggr' */ + int nr_aggr; + /* aggregated event values */ + struct perf_stat_aggr *aggr; + /* used for group read */ + u64 *group_data; +}; + +enum aggr_mode { + AGGR_NONE, + AGGR_GLOBAL, + AGGR_SOCKET, + AGGR_DIE, + AGGR_CLUSTER, + AGGR_CACHE, + AGGR_CORE, + AGGR_THREAD, + AGGR_UNSET, + AGGR_NODE, + AGGR_MAX }; +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; + u32 aggr_level; + 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 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 metric_no_threshold; + bool hardware_aware_grouping; + 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; + const char *csv_sep; + struct stats *walltime_nsecs_stats; + struct rusage ru_data; + struct cpu_aggr_map *aggr_map; + aggr_get_id_t aggr_get_id; + struct cpu_aggr_map *cpus_aggr_map; + u64 *walltime_run; + int ctl_fd; + int ctl_fd_ack; + bool ctl_fd_close; + const char *cgroup_list; + unsigned int topdown_level; +}; + +extern struct perf_stat_config stat_config; + +void perf_stat__set_big_num(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; +} + +struct evsel; +struct evlist; + +enum metric_threshold_classify { + METRIC_THRESHOLD_UNKNOWN, + METRIC_THRESHOLD_BAD, + METRIC_THRESHOLD_NEARLY_BAD, + METRIC_THRESHOLD_LESS_GOOD, + METRIC_THRESHOLD_GOOD, +}; +const char *metric_threshold_classify__color(enum metric_threshold_classify thresh); + +typedef void (*print_metric_t)(struct perf_stat_config *config, + void *ctx, + enum metric_threshold_classify thresh, + const char *fmt, + const char *unit, + double val); +typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx); + +/* Used to print the display name of the Default metricgroup for now. */ +typedef void (*print_metricgroup_header_t)(struct perf_stat_config *config, + void *ctx, const char *metricgroup_name); + +void perf_stat__reset_shadow_stats(void); +struct perf_stat_output_ctx { + void *ctx; + print_metric_t print_metric; + new_line_t new_line; + print_metricgroup_header_t print_metricgroup_header; + bool force_header; +}; + +void perf_stat__print_shadow_stats(struct perf_stat_config *config, + struct evsel *evsel, + int aggr_idx, + struct perf_stat_output_ctx *out); +bool perf_stat__skip_metric_event(struct evsel *evsel, u64 ena, u64 run); +void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config, + struct evsel *evsel, + int aggr_idx, + int *num, + void *from, + struct perf_stat_output_ctx *out); + +int evlist__alloc_stats(struct perf_stat_config *config, + 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 evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr); +void evlist__reset_aggr_stats(struct evlist *evlist); +void evlist__copy_res_stats(struct perf_stat_config *config, struct evlist *evlist); + +int perf_stat_process_counter(struct perf_stat_config *config, + struct evsel *counter); +void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *evlist); +void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist); + +struct perf_tool; +union perf_event; +struct perf_session; +struct target; + +int perf_event__process_stat_event(const struct perf_tool *tool, + 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); + +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 aggr_idx); #endif |