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#define MAX_RINGS 4
#include <stdint.h>
struct gpu_top {
enum { PERF, MMIO } type;
int fd;
int num_rings;
int have_wait;
int have_sema;
struct gpu_top_ring {
const char *name;
union gpu_top_payload {
struct {
uint8_t busy;
uint8_t wait;
uint8_t sema;
} u;
uint32_t payload;
} u;
} ring[MAX_RINGS];
struct gpu_top_stat {
uint64_t time;
uint64_t busy[MAX_RINGS];
uint64_t wait[MAX_RINGS];
uint64_t sema[MAX_RINGS];
} stat[2];
int count;
};
void gpu_top_init(struct gpu_top *gt);
int gpu_top_update(struct gpu_top *gt);
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