#ifndef __PERF_STATS_H #define __PERF_STATS_H #include #include #include "xyarray.h" 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__MAX, }; struct perf_stat_evsel { struct stats res_stats[3]; enum perf_stat_evsel_id id; }; enum aggr_mode { AGGR_NONE, AGGR_GLOBAL, AGGR_SOCKET, AGGR_CORE, AGGR_THREAD, AGGR_UNSET, }; struct perf_stat_config { enum aggr_mode aggr_mode; bool scale; FILE *output; unsigned int interval; }; 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 perf_evsel; struct perf_evlist; bool __perf_evsel_stat__is(struct perf_evsel *evsel, enum perf_stat_evsel_id id); #define perf_stat_evsel__is(evsel, id) \ __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) void perf_stat_evsel_id_init(struct perf_evsel *evsel); extern struct stats walltime_nsecs_stats; typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit, const char *fmt, double val); typedef void (*new_line_t )(void *ctx); void perf_stat__init_shadow_stats(void); void perf_stat__reset_shadow_stats(void); void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, int cpu); struct perf_stat_output_ctx { void *ctx; print_metric_t print_metric; new_line_t new_line; }; void perf_stat__print_shadow_stats(struct perf_evsel *evsel, double avg, int cpu, struct perf_stat_output_ctx *out); int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); void perf_evlist__free_stats(struct perf_evlist *evlist); void perf_evlist__reset_stats(struct perf_evlist *evlist); int perf_stat_process_counter(struct perf_stat_config *config, struct perf_evsel *counter); struct perf_tool; union perf_event; struct perf_session; int perf_event__process_stat_event(struct perf_tool *tool, union perf_event *event, struct perf_session *session); 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); #endif ref='/cgit.cgi/linux/net-next.git/log/sound/usb?id=ff4cf0e5ce952488074aa7f47734af1794f55fbc'>usb/usx2y/usbusx2y.c

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