text: /*
   * Copyright 2013, Michael Ellerman, IBM Corp.
   * Licensed under GPLv2.
   */
  
  #ifndef _SELFTESTS_POWERPC_PMU_EVENT_H
  #define _SELFTESTS_POWERPC_PMU_EVENT_H
  
  #include <unistd.h>
  #include <linux/perf_event.h>
  
  #include "utils.h"
  
  
  struct event {
  	struct perf_event_attr attr;
  	char *name;
  	int fd;
  	/* This must match the read_format we use */
  	struct {
  		u64 value;
  		u64 running;
  		u64 enabled;
  	} result;
  };
  
  void event_init(struct event *e, u64 config);
  void event_init_named(struct event *e, u64 config, char *name);
  void event_init_opts(struct event *e, u64 config, int type, char *name);
  int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd);
  int event_open_with_group(struct event *e, int group_fd);
  int event_open_with_pid(struct event *e, pid_t pid);
  int event_open_with_cpu(struct event *e, int cpu);
  int event_open(struct event *e);
  void event_close(struct event *e);
  int event_enable(struct event *e);
  int event_disable(struct event *e);
  int event_reset(struct event *e);
  int event_read(struct event *e);
  void event_report_justified(struct event *e, int name_width, int result_width);
  void event_report(struct event *e);
  
  #endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */
  