1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef PMU_EVENTS_H
3 #define PMU_EVENTS_H
4 
5 enum 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  */
13 struct 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  */
40 struct 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 
47 struct 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  */
55 extern struct pmu_events_map pmu_events_map[];
56 extern struct pmu_sys_events pmu_sys_event_tables[];
57 
58 #endif
59