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

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  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 

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