diff options
Diffstat (limited to 'tools/perf/util/stat.h')
| -rw-r--r-- | tools/perf/util/stat.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h new file mode 100644 index 000000000..e19abb163 --- /dev/null +++ b/tools/perf/util/stat.h @@ -0,0 +1,175 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_STATS_H +#define __PERF_STATS_H + +#include <linux/types.h> +#include <stdio.h> +#include "xyarray.h" +#include "rblist.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__SMI_NUM, + PERF_STAT_EVSEL_ID__APERF, + PERF_STAT_EVSEL_ID__MAX, +}; + +struct perf_stat_evsel { + struct stats res_stats[3]; + enum perf_stat_evsel_id id; + u64 *group_data; +}; + +enum aggr_mode { + AGGR_NONE, + AGGR_GLOBAL, + AGGR_SOCKET, + AGGR_CORE, + AGGR_THREAD, + AGGR_UNSET, +}; + +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_SMI_NUM, + STAT_APERF, + STAT_MAX +}; + +struct runtime_stat { + struct rblist value_list; +}; + +struct perf_stat_config { + enum aggr_mode aggr_mode; + bool scale; + FILE *output; + unsigned int interval; + unsigned int timeout; + int times; + struct runtime_stat *stats; + int stats_num; +}; + +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; + +struct perf_aggr_thread_value { + struct perf_evsel *counter; + int id; + double uval; + u64 val; + u64 run; + u64 ena; +}; + +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) + +extern struct runtime_stat rt_stat; +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 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 perf_evsel *counter, u64 count, + int cpu, 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_evsel *evsel, + double avg, int cpu, + struct perf_stat_output_ctx *out, + struct rblist *metric_events, + struct runtime_stat *st); +void perf_stat__collect_metric_expr(struct perf_evlist *); + +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); +void perf_evlist__reset_prev_raw_counts(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 |