LXR linux/tools/perf/util/pmu.h

   1#ifndef __PMU_H
   2#define __PMU_H
   3
   4#include <linux/bitmap.h>
   5#include <linux/perf_event.h>
   6#include <stdbool.h>
   7#include "parse-events.h"
   8
   9enum {
  10        PERF_PMU_FORMAT_VALUE_CONFIG,
  11        PERF_PMU_FORMAT_VALUE_CONFIG1,
  12        PERF_PMU_FORMAT_VALUE_CONFIG2,
  13};
  14
  15#define PERF_PMU_FORMAT_BITS 64
  16
  17struct perf_event_attr;
  18
  19struct perf_pmu {
  20        char *name;
  21        __u32 type;
  22        bool selectable;
  23        struct perf_event_attr *default_config;
  24        struct cpu_map *cpus;
  25        struct list_head format;  /* HEAD struct perf_pmu_format -> list */
  26        struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
  27        struct list_head list;    /* ELEM */
  28};
  29
  30struct perf_pmu_info {
  31        const char *unit;
  32        double scale;
  33        bool per_pkg;
  34        bool snapshot;
  35};
  36
  37#define UNIT_MAX_LEN    31 /* max length for event unit name */
  38
  39struct perf_pmu_alias {
  40        char *name;
  41        struct list_head terms; /* HEAD struct parse_events_term -> list */
  42        struct list_head list;  /* ELEM */
  43        char unit[UNIT_MAX_LEN+1];
  44        double scale;
  45        bool per_pkg;
  46        bool snapshot;
  47};
  48
  49struct perf_pmu *perf_pmu__find(const char *name);
  50int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
  51                     struct list_head *head_terms,
  52                     struct parse_events_error *error);
  53int perf_pmu__config_terms(struct list_head *formats,
  54                           struct perf_event_attr *attr,
  55                           struct list_head *head_terms,
  56                           bool zero, struct parse_events_error *error);
  57__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
  58int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
  59                          struct perf_pmu_info *info);
  60struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
  61                                  struct list_head *head_terms);
  62int perf_pmu_wrap(void);
  63void perf_pmu_error(struct list_head *list, char *name, char const *msg);
  64
  65int perf_pmu__new_format(struct list_head *list, char *name,
  66                         int config, unsigned long *bits);
  67void perf_pmu__set_format(unsigned long *bits, long from, long to);
  68int perf_pmu__format_parse(char *dir, struct list_head *head);
  69
  70struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
  71
  72void print_pmu_events(const char *event_glob, bool name_only);
  73bool pmu_have_event(const char *pname, const char *name);
  74
  75int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
  76                        ...) __attribute__((format(scanf, 3, 4)));
  77
  78int perf_pmu__test(void);
  79
  80struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
  81
  82#endif /* __PMU_H */
  83