gpu_usage.h

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#ifndef GPU_USAGE_H
#define GPU_USAGE_H
 
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
 
enum {
    GPU_USAGE_MAX_FDS = 64,
    GPU_USAGE_MAX_KEY_LEN = 48,
};
 
typedef struct {
    FILE* streams[GPU_USAGE_MAX_FDS];
    int stream_count;
 
    uint64_t prev_gpu_time_ns;
    uint64_t prev_wall_time_ns;
 
    float load_percent;
    char driver[GPU_USAGE_MAX_KEY_LEN];
    char engine_key[GPU_USAGE_MAX_KEY_LEN];
 
    bool available;
} GPUUsageMonitor;
 
void gpu_usage_init(GPUUsageMonitor* mon);
 
void gpu_usage_cleanup(GPUUsageMonitor* mon);
 
void gpu_usage_update(GPUUsageMonitor* mon);
 
float gpu_usage_get_load(const GPUUsageMonitor* mon);
 
bool gpu_usage_is_available(const GPUUsageMonitor* mon);
 
#endif /* GPU_USAGE_H */