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#include <stdint.h>
struct gpu_perf {
int page_size;
int nr_cpus;
int nr_events;
int *fd;
void **map;
struct gpu_perf_sample {
uint64_t id;
int (*func)(struct gpu_perf *, const void *);
} *sample;
int flip_complete;
struct gpu_perf_comm {
struct gpu_perf_comm *next;
char name[256];
pid_t pid;
int nr_requests[4];
void *user_data;
uint64_t wait_begin;
uint64_t wait_time;
} *comm;
};
void gpu_perf_init(struct gpu_perf *gp, unsigned flags);
int gpu_perf_update(struct gpu_perf *gp);
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