tools/perf/util/stat.h - third_party/kernel - Git at Google

 /* 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
	/* 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