1 /*
2  * Copyright 2013, Michael Ellerman, IBM Corp.
3  * Licensed under GPLv2.
4  */
5 
6 #ifndef _SELFTESTS_POWERPC_PMU_EVENT_H
7 #define _SELFTESTS_POWERPC_PMU_EVENT_H
8 
9 #include <unistd.h>
10 #include <linux/perf_event.h>
11 
12 #include "utils.h"
13 
14 
15 struct event {
16 	struct perf_event_attr attr;
17 	char *name;
18 	int fd;
19 	/* This must match the read_format we use */
20 	struct {
21 		u64 value;
22 		u64 running;
23 		u64 enabled;
24 	} result;
25 };
26 
27 void event_init(struct event *e, u64 config);
28 void event_init_named(struct event *e, u64 config, char *name);
29 void event_init_opts(struct event *e, u64 config, int type, char *name);
30 int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd);
31 int event_open_with_group(struct event *e, int group_fd);
32 int event_open_with_pid(struct event *e, pid_t pid);
33 int event_open_with_cpu(struct event *e, int cpu);
34 int event_open(struct event *e);
35 void event_close(struct event *e);
36 int event_enable(struct event *e);
37 int event_disable(struct event *e);
38 int event_reset(struct event *e);
39 int event_read(struct event *e);
40 void event_report_justified(struct event *e, int name_width, int result_width);
41 void event_report(struct event *e);
42 
43 #endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */
44