Release 4.14 tools/perf/util/pmu.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PMU_H

#define __PMU_H

#include <linux/bitmap.h>
#include <linux/compiler.h>
#include <linux/perf_event.h>
#include <stdbool.h>
#include "evsel.h"
#include "parse-events.h"

enum {
	
PERF_PMU_FORMAT_VALUE_CONFIG,
	
PERF_PMU_FORMAT_VALUE_CONFIG1,
	
PERF_PMU_FORMAT_VALUE_CONFIG2,
};


#define PERF_PMU_FORMAT_BITS 64

struct perf_event_attr;


struct perf_pmu {
	
char *name;
	
__u32 type;
	
bool selectable;
	
bool is_uncore;
	
struct perf_event_attr *default_config;
	
struct cpu_map *cpus;
	
struct list_head format;  /* HEAD struct perf_pmu_format -> list */
	
struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
	
struct list_head list;    /* ELEM */
	
int (*set_drv_config)	(struct perf_evsel_config_term *term);
};


struct perf_pmu_info {
	
const char *unit;
	
const char *metric_expr;
	
const char *metric_name;
	
double scale;
	
bool per_pkg;
	
bool snapshot;
};


#define UNIT_MAX_LEN	31 
/* max length for event unit name */


struct perf_pmu_alias {
	
char *name;
	
char *desc;
	
char *long_desc;
	
char *topic;
	
char *str;
	
struct list_head terms; /* HEAD struct parse_events_term -> list */
	
struct list_head list;  /* ELEM */
	
char unit[UNIT_MAX_LEN+1];
	
double scale;
	
bool per_pkg;
	
bool snapshot;
	
char *metric_expr;
	
char *metric_name;
};

struct perf_pmu *perf_pmu__find(const char *name);
int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
		     struct list_head *head_terms,
		     struct parse_events_error *error);
int perf_pmu__config_terms(struct list_head *formats,
			   struct perf_event_attr *attr,
			   struct list_head *head_terms,
			   bool zero, struct parse_events_error *error);
__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
			  struct perf_pmu_info *info);
struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
				  struct list_head *head_terms);
int perf_pmu_wrap(void);
void perf_pmu_error(struct list_head *list, char *name, char const *msg);

int perf_pmu__new_format(struct list_head *list, char *name,
			 int config, unsigned long *bits);
void perf_pmu__set_format(unsigned long *bits, long from, long to);
int perf_pmu__format_parse(char *dir, struct list_head *head);

struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);

void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
		      bool long_desc, bool details_flag);
bool pmu_have_event(const char *pname, const char *name);

int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);

int perf_pmu__test(void);

struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);

#endif /* __PMU_H */
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Directory: tools/perf/util

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