230 lines
6.4 KiB
C
230 lines
6.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_STATS_H
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#define __PERF_STATS_H
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#include <linux/types.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/resource.h>
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#include "cpumap.h"
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#include "rblist.h"
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#include "counts.h"
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struct perf_cpu_map;
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struct perf_stat_config;
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struct timespec;
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struct stats {
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double n, mean, M2;
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u64 max, min;
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};
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/* hold aggregated event info */
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struct perf_stat_aggr {
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/* aggregated values */
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struct perf_counts_values counts;
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/* number of entries (CPUs) aggregated */
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int nr;
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/* whether any entry has failed to read/process event */
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bool failed;
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/* to mark this data is processed already */
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bool used;
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};
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/* per-evsel event stats */
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struct perf_stat_evsel {
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/* used for repeated runs */
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struct stats res_stats;
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/* number of allocated 'aggr' */
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int nr_aggr;
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/* aggregated event values */
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struct perf_stat_aggr *aggr;
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/* used for group read */
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u64 *group_data;
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};
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enum aggr_mode {
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AGGR_NONE,
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AGGR_GLOBAL,
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AGGR_SOCKET,
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AGGR_DIE,
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AGGR_CLUSTER,
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AGGR_CACHE,
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AGGR_CORE,
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AGGR_THREAD,
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AGGR_UNSET,
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AGGR_NODE,
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AGGR_MAX
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};
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struct rusage_stats {
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struct stats ru_utime_usec_stat;
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struct stats ru_stime_usec_stat;
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};
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typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
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struct perf_stat_config {
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enum aggr_mode aggr_mode;
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u32 aggr_level;
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bool scale;
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bool no_inherit;
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bool identifier;
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bool csv_output;
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bool json_output;
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bool interval_clear;
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bool metric_only;
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bool null_run;
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bool ru_display;
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bool big_num;
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bool hybrid_merge;
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bool walltime_run_table;
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bool all_kernel;
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bool all_user;
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bool percore_show_thread;
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bool summary;
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bool no_csv_summary;
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bool metric_no_group;
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bool metric_no_merge;
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bool metric_no_threshold;
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bool hardware_aware_grouping;
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bool stop_read_counter;
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bool iostat_run;
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char *user_requested_cpu_list;
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bool system_wide;
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FILE *output;
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unsigned int interval;
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unsigned int timeout;
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unsigned int unit_width;
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unsigned int metric_only_len;
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int times;
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int run_count;
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int print_free_counters_hint;
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int print_mixed_hw_group_error;
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const char *csv_sep;
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struct stats *walltime_nsecs_stats;
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struct rusage ru_data;
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struct rusage_stats *ru_stats;
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struct cpu_aggr_map *aggr_map;
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aggr_get_id_t aggr_get_id;
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struct cpu_aggr_map *cpus_aggr_map;
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u64 *walltime_run;
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struct rblist metric_events;
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int ctl_fd;
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int ctl_fd_ack;
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bool ctl_fd_close;
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const char *cgroup_list;
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unsigned int topdown_level;
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};
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void perf_stat__set_big_num(int set);
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void perf_stat__set_no_csv_summary(int set);
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void update_stats(struct stats *stats, u64 val);
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double avg_stats(struct stats *stats);
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double stddev_stats(struct stats *stats);
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double rel_stddev_stats(double stddev, double avg);
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static inline void init_stats(struct stats *stats)
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{
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stats->n = 0.0;
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stats->mean = 0.0;
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stats->M2 = 0.0;
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stats->min = (u64) -1;
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stats->max = 0;
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}
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static inline void init_rusage_stats(struct rusage_stats *ru_stats) {
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init_stats(&ru_stats->ru_utime_usec_stat);
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init_stats(&ru_stats->ru_stime_usec_stat);
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}
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static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) {
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const u64 us_to_ns = 1000;
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const u64 s_to_ns = 1000000000;
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update_stats(&ru_stats->ru_utime_usec_stat,
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(rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns));
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update_stats(&ru_stats->ru_stime_usec_stat,
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(rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns));
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}
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struct evsel;
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struct evlist;
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extern struct stats walltime_nsecs_stats;
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extern struct rusage_stats ru_stats;
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typedef void (*print_metric_t)(struct perf_stat_config *config,
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void *ctx, const char *color, const char *unit,
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const char *fmt, double val);
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typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
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/* Used to print the display name of the Default metricgroup for now. */
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typedef void (*print_metricgroup_header_t)(struct perf_stat_config *config,
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void *ctx, const char *metricgroup_name);
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void perf_stat__reset_shadow_stats(void);
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struct perf_stat_output_ctx {
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void *ctx;
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print_metric_t print_metric;
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new_line_t new_line;
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print_metricgroup_header_t print_metricgroup_header;
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bool force_header;
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};
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void perf_stat__print_shadow_stats(struct perf_stat_config *config,
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struct evsel *evsel,
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double avg, int aggr_idx,
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struct perf_stat_output_ctx *out,
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struct rblist *metric_events);
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bool perf_stat__skip_metric_event(struct evsel *evsel,
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struct rblist *metric_events,
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u64 ena, u64 run);
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void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
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struct evsel *evsel,
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int aggr_idx,
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int *num,
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void *from,
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struct perf_stat_output_ctx *out,
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struct rblist *metric_events);
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int evlist__alloc_stats(struct perf_stat_config *config,
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struct evlist *evlist, bool alloc_raw);
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void evlist__free_stats(struct evlist *evlist);
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void evlist__reset_stats(struct evlist *evlist);
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void evlist__reset_prev_raw_counts(struct evlist *evlist);
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void evlist__copy_prev_raw_counts(struct evlist *evlist);
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void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
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int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr);
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void evlist__reset_aggr_stats(struct evlist *evlist);
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void evlist__copy_res_stats(struct perf_stat_config *config, struct evlist *evlist);
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int perf_stat_process_counter(struct perf_stat_config *config,
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struct evsel *counter);
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void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *evlist);
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void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist);
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struct perf_tool;
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union perf_event;
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struct perf_session;
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struct target;
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int perf_event__process_stat_event(struct perf_session *session,
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union perf_event *event);
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size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
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int create_perf_stat_counter(struct evsel *evsel,
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struct perf_stat_config *config,
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struct target *target,
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int cpu_map_idx);
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void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
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struct target *_target, struct timespec *ts, int argc, const char **argv);
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struct metric_expr;
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double test_generic_metric(struct metric_expr *mexp, int aggr_idx);
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#endif
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