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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