kernel/debug/user_debugger.cpp

1313 	thread_debug_info& debugInfo = thread->debug_info;
1315 	if (debugInfo.profile.samples == NULL)
1320 	int32 maxSamples = debugInfo.profile.max_samples;
1321 	int32 sampleCount = debugInfo.profile.sample_count;
1322 	int32 stackDepth = debugInfo.profile.stack_depth;
1324 	if (debugInfo.profile.sample_count > 0) {
1325 		if (debugInfo.profile.last_image_event < imageEvent
1326 			&& debugInfo.profile.variable_stack_depth
1330 			addr_t* event = debugInfo.profile.samples + sampleCount;
1334 			debugInfo.profile.sample_count = sampleCount;
1335 			debugInfo.profile.last_image_event = imageEvent;
1338 		if (debugInfo.profile.last_image_event < imageEvent
1339 			|| debugInfo.profile.flush_threshold - sampleCount < stackDepth) {
1349 				debugInfo.profile.dropped_ticks++;
1355 		debugInfo.profile.image_event = imageEvent;
1356 		debugInfo.profile.last_image_event = imageEvent;
1360 	addr_t* returnAddresses = debugInfo.profile.samples
1361 		+ debugInfo.profile.sample_count;
1362 	if (debugInfo.profile.variable_stack_depth) {
1367 		debugInfo.profile.sample_count += *returnAddresses + 1;
1379 		debugInfo.profile.sample_count += stackDepth;
1395 	thread_debug_info& debugInfo = thread->debug_info;
1397 	SpinLocker threadDebugInfoLocker(debugInfo.lock);
1399 	if (debugInfo.profile.samples != NULL && debugInfo.profile.buffer_full) {
1400 		int32 sampleCount = debugInfo.profile.sample_count;
1401 		int32 droppedTicks = debugInfo.profile.dropped_ticks;
1402 		int32 stackDepth = debugInfo.profile.stack_depth;
1403 		bool variableStackDepth = debugInfo.profile.variable_stack_depth;
1404 		int32 imageEvent = debugInfo.profile.image_event;
1407 		debugInfo.profile.sample_count = 0;
1408 		debugInfo.profile.dropped_ticks = 0;
1431 			debugInfo.profile.buffer_full = false;
1432 			schedule_profiling_timer(thread, debugInfo.profile.interval);
1448 	thread_debug_info& debugInfo = thread->debug_info;
1450 	SpinLocker threadDebugInfoLocker(debugInfo.lock);
1460 			debugInfo.profile.installed_timer = NULL;
1461 			debugInfo.profile.buffer_full = true;
1463 			schedule_profiling_timer(thread, debugInfo.profile.interval);
1465 		debugInfo.profile.installed_timer = NULL;