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6233cac9c9
Since the events may be processed out of order (due to per-cpu ringbuffers) we need to be careful to associated wait pairs in order to compute the correct elapsed time. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
34 lines
619 B
C
34 lines
619 B
C
#include <stdint.h>
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struct gpu_perf {
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int page_size;
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int nr_cpus;
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int nr_events;
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int *fd;
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void **map;
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struct gpu_perf_sample {
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uint64_t id;
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int (*func)(struct gpu_perf *, const void *);
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} *sample;
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int flip_complete;
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struct gpu_perf_comm {
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struct gpu_perf_comm *next;
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struct gpu_perf_wait {
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struct gpu_perf_wait *next;
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uint32_t seqno;
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uint64_t time;
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} *wait;
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char name[256];
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pid_t pid;
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int nr_requests[4];
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void *user_data;
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uint64_t wait_begin;
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uint64_t wait_time;
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} *comm;
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};
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void gpu_perf_init(struct gpu_perf *gp, unsigned flags);
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int gpu_perf_update(struct gpu_perf *gp);
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