tools/testing/selftests/powerpc/pmu/event.h

   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 */