sim_profiler.h

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#ifndef OAKFIELD_SIM_PROFILER_H
#define OAKFIELD_SIM_PROFILER_H
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#include "field.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct SimProfilerSnapshot {
    uint64_t frame_start_ns;    
    uint64_t frame_end_ns;      
    uint64_t total_ns;          
    double average_operator_ns; 
} SimProfilerSnapshot;
 
typedef struct SimProfilerCounter {
    uint64_t inclusive_ns;       
    uint64_t invocations;        
    double delta_rms_sum;        
    uint64_t delta_sample_count; 
} SimProfilerCounter;
 
typedef struct SimProfiler {
    SimProfilerCounter *counters; 
    size_t counter_count;         
    bool frame_active;            
    uint64_t frame_start_ns;      
    uint64_t frame_end_ns;        
} SimProfiler;
 
SimResult sim_profiler_init(SimProfiler *profiler, size_t operators);
 
void sim_profiler_destroy(SimProfiler *profiler);
 
void sim_profiler_begin_frame(SimProfiler *profiler);
 
void sim_profiler_end_frame(SimProfiler *profiler);
 
void sim_profiler_record_operator(SimProfiler *profiler, size_t operator_index,
                                  uint64_t duration_ns);
 
void sim_profiler_record_operator_delta(SimProfiler *profiler, size_t operator_index,
                                        double delta_rms, uint64_t sample_count);
 
SimResult sim_profiler_snapshot(const SimProfiler *profiler, SimProfilerSnapshot *out_snapshot);
 
#ifdef __cplusplus
}
#endif
 
#endif /* OAKFIELD_SIM_PROFILER_H */