Lines Matching full:noise

3  * OS Noise Tracer: computes the OS Noise suffered by a running thread.
324 	u64			noise;		/* noise */
325 	u64			max_sample;	/* max single noise sample */
446 	seq_puts(s, "   NOISE  %% OF CPU  NOISE    +-----------------------------+\n");
470 	seq_puts(s, "   NOISE  %% OF CPU  NOISE    +-----------------------------+\n");
512 	entry->noise		= sample->noise;
880  * occurrence, compute the noise caused by the NMI, and to remove the noise
943  * Computes the duration of the IRQ noise, and trace it. Also discounts the
944  * interference from other sources of noise could be currently being accounted.
1074  * Computes the duration of the softirq noise, and trace it. Also discounts the
1075  * interference from other sources of noise could be currently being accounted.
1146  * thread_entry - Record the starting of a thread noise window
1169  * thread_exit - Report the end of a thread noise window
1171  * It computes the total noise from a thread, tracing if needed.
1268  * used to record the beginning and to report the end of a thread noise window.
1287  * hook_thread_events - Hook the instrumentation for thread noise
1289  * Hook the osnoise tracer callbacks to handle the noise from other
1312  * unhook_thread_events - unhook the instrumentation for thread noise
1314  * Unook the osnoise tracer callbacks to handle the noise from other
1426 	s64 noise = 0, max_noise = 0;
1495 		noise = time_sub(sample, last_sample);
1500 		if (noise < 0) {
1501 			osnoise_taint("negative noise!");
1520 		if (noise >= threshold) {
1523 			if (noise > max_noise)
1524 				max_noise = noise;
1529 			sum_noise += noise;
1531 			trace_sample_threshold(last_sample, noise, interference);
1534 				if (noise > stop_in)
1541 		 * This will eventually cause unwarranted noise as PREEMPT_RCU
1596 	 * Save noise info.
1598 	s.noise = time_to_us(sum_noise);
1611 		if (s.noise > osnoise_data.stop_tracing_total)