LXR linux/tools/perf/pmu-events/pmu-events.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef PMU_EVENTS_H
   3#define PMU_EVENTS_H
   4
   5enum aggr_mode_class {
   6        PerChip = 1,
   7        PerCore
   8};
   9
  10/*
  11 * Describe each PMU event. Each CPU has a table of PMU events.
  12 */
  13struct pmu_event {
  14        const char *name;
  15        const char *compat;
  16        const char *event;
  17        const char *desc;
  18        const char *topic;
  19        const char *long_desc;
  20        const char *pmu;
  21        const char *unit;
  22        const char *perpkg;
  23        const char *aggr_mode;
  24        const char *metric_expr;
  25        const char *metric_name;
  26        const char *metric_group;
  27        const char *deprecated;
  28        const char *metric_constraint;
  29};
  30
  31/*
  32 *
  33 * Map a CPU to its table of PMU events. The CPU is identified by the
  34 * cpuid field, which is an arch-specific identifier for the CPU.
  35 * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
  36 * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
  37 *
  38 * The  cpuid can contain any character other than the comma.
  39 */
  40struct pmu_events_map {
  41        const char *cpuid;
  42        const char *version;
  43        const char *type;               /* core, uncore etc */
  44        struct pmu_event *table;
  45};
  46
  47struct pmu_sys_events {
  48        struct pmu_event *table;
  49};
  50
  51/*
  52 * Global table mapping each known CPU for the architecture to its
  53 * table of PMU events.
  54 */
  55extern struct pmu_events_map pmu_events_map[];
  56extern struct pmu_sys_events pmu_sys_event_tables[];
  57
  58#endif
  59