String_Builder _profile_output = {0};
bool profiler_initted = false;
Spinlock *_profiler_lock = 0;
void dump_profile_result() {
	File file = os_file_open("google_trace.json", O_CREATE | O_WRITE);
	
	os_file_write_string(file, STR("["));
	os_file_write_string(file, _profile_output.result);
	os_file_write_string(file, STR("{}]"));
	
	os_file_close(file);
	
	log_verbose("Wrote profiling result to google_trace.json");
}
void _profiler_report_time_cycles(string name, u64 count, u64 start) {
	if (!profiler_initted) {
		_profiler_lock = os_make_spinlock(get_heap_allocator());
		profiler_initted = true;
		
		string_builder_init_reserve(&_profile_output, 1024*1000, get_heap_allocator());	
		
	}
	
	os_spinlock_lock(_profiler_lock);
	
	string fmt = STR("{\"cat\":\"function\",\"dur\":%.3f,\"name\":\"%s\",\"ph\":\"X\",\"pid\":0,\"tid\":%zu,\"ts\":%lld},");
	string_builder_print(&_profile_output, fmt, (float64)count*1000, name, GetCurrentThreadId(), start*1000);
	
	os_spinlock_unlock(_profiler_lock);
}
#if ENABLE_PROFILING
#define tm_scope_cycles(name) \
    for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
         elapsed_time == 0; \
         elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, _profiler_report_time_cycles(STR(name), elapsed_time, start_time))
#define tm_scope_cycles_var(name, var) \
    for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
         elapsed_time == 0; \
         elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, var=elapsed_time)
#define tm_scope_cycles_accum(name, var) \
    for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
         elapsed_time == 0; \
         elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, var+=elapsed_time)
#else
	#define tm_scope_cycles(...)
	#define tm_scope_cycles_var(...)
	#define tm_scope_cycles_accum(...)
#endif