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NX2navi/runtime/prof.h
2026-11-07 05:04:38 -05:00

13 lines
788 B
C

// Between perf.c (frame timing, always built) and the OS's sampling profiler (prof_win.c on Windows).
#pragma once
#include <stdint.h>
extern volatile uint32_t prof_render_tid; // the thread that presents (perf_present)
extern volatile uint32_t prof_main_tid; // the guest main thread (perf_main_thread)
extern volatile uint32_t prof_replay_tid; // the asynchronous replay (perf_replay_thread): its waits hold up the frame too
// The sampler; perf.c's weak versions do nothing.
int prof_sampler_start(void); // NX2NAVI_PROFILE: starts sampling; 1 when it runs
void prof_sampler_write(void); // writes the profile once (prof_write)
void prof_sampler_frame(uint64_t frame, uint64_t now, uint64_t d); // every present; d: the interval, 0 on the first