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(struct event *e); 33 void event_close(struct event *e); 34 int event_reset(struct event *e); 35 int event_read(struct event *e); 36 void event_report_justified(struct event *e, int name_width, int result_width); 37 void event_report(struct event *e); 38 39 #endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */ 40