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Default latency plot of shadow in rack #9, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

Click here to display the system's profile data or here to proceed to next system.

Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the 376 highest latencies:

System rack9slot4s (updated Sun May 17, 2026 00:59:01)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
30652	99	1241	1193,42	cyclictest	31091	-21	diskstats	19:25:15	0
30653	99	1175	1151,20	cyclictest	31093	-21	diskstats	19:25:16	1
28881	2	784	733,30	sleep1	0	-21	swapper/1	19:20:04	1
30267	2	700	654,32	sleep0	0	-21	swapper/0	19:21:33	0
3769	2	99	0,9	sleep0	30652	99	cyclictest	23:55:13	0
14634	2	78	0,7	sleep1	30653	99	cyclictest	20:05:17	1
25380	2	77	0,8	sleep1	30653	99	cyclictest	22:00:15	1
16738	2	66	0,12	sleep0	30652	99	cyclictest	21:35:27	0
31055	2	57	0,2	sleep0	31058	-21	cut	22:15:15	0
30652	99	52	20,4	cyclictest	3	-21	ksoftirqd/0	23:25:16	0
30652	99	51	13,6	cyclictest	3	-21	ksoftirqd/0	21:15:28	0
30652	99	50	20,4	cyclictest	3	-21	ksoftirqd/0	21:40:29	0
30652	99	50	15,6	cyclictest	3	-21	ksoftirqd/0	19:45:11	0
30652	99	49	22,4	cyclictest	3	-21	ksoftirqd/0	23:40:15	0
30652	99	49	22,4	cyclictest	3	-21	ksoftirqd/0	23:20:28	0
30652	99	49	22,4	cyclictest	3	-21	ksoftirqd/0	21:10:16	0
30652	99	49	21,4	cyclictest	3	-21	ksoftirqd/0	23:05:17	0
30652	99	49	12,6	cyclictest	3	-21	ksoftirqd/0	22:55:18	0
30652	99	48	22,4	cyclictest	3	-21	ksoftirqd/0	00:25:32	0
30652	99	48	14,6	cyclictest	3	-21	ksoftirqd/0	00:50:18	0
30652	99	48	13,6	cyclictest	3	-21	ksoftirqd/0	22:05:17	0
30652	99	48	13,6	cyclictest	3	-21	ksoftirqd/0	00:23:53	0
30652	99	48	13,5	cyclictest	3	-21	ksoftirqd/0	22:20:27	0
30652	99	48	12,5	cyclictest	3	-21	ksoftirqd/0	20:35:27	0
30652	99	48	11,6	cyclictest	3	-21	ksoftirqd/0	19:30:19	0
30652	99	47	21,4	cyclictest	3	-21	ksoftirqd/0	00:30:26	0
30652	99	47	21,4	cyclictest	3	-21	ksoftirqd/0	00:15:28	0
30652	99	47	15,4	cyclictest	3	-21	ksoftirqd/0	23:36:45	0
30652	99	47	13,6	cyclictest	3	-21	ksoftirqd/0	23:00:14	0
30652	99	47	13,6	cyclictest	3	-21	ksoftirqd/0	21:04:29	0
30652	99	47	13,4	cyclictest	3	-21	ksoftirqd/0	19:41:59	0
30652	99	47	12,6	cyclictest	3	-21	ksoftirqd/0	21:20:21	0
30652	99	47	12,6	cyclictest	3	-21	ksoftirqd/0	20:05:13	0
30652	99	47	12,5	cyclictest	3	-21	ksoftirqd/0	23:19:20	0
30652	99	47	11,6	cyclictest	3	-21	ksoftirqd/0	00:35:27	0
30653	99	46	22,4	cyclictest	22	-21	ksoftirqd/1	21:35:26	1
30652	99	46	21,4	cyclictest	3	-21	ksoftirqd/0	22:25:30	0
30652	99	46	15,4	cyclictest	3	-21	ksoftirqd/0	22:01:33	0
30652	99	46	13,6	cyclictest	3	-21	ksoftirqd/0	20:30:11	0
30652	99	46	13,5	cyclictest	3	-21	ksoftirqd/0	00:05:22	0
30652	99	46	11,5	cyclictest	3	-21	ksoftirqd/0	22:50:27	0
30652	99	46	11,5	cyclictest	3	-21	ksoftirqd/0	22:45:05	0
30652	99	45	9,6	cyclictest	3	-21	ksoftirqd/0	21:32:22	0
30652	99	45	21,4	cyclictest	3	-21	ksoftirqd/0	19:55:11	0
30652	99	45	19,4	cyclictest	3	-21	ksoftirqd/0	20:15:10	0
30652	99	45	16,10	cyclictest	3	-21	ksoftirqd/0	23:30:11	0
30652	99	45	16,10	cyclictest	3	-21	ksoftirqd/0	20:40:15	0
30652	99	45	13,3	cyclictest	3	-21	ksoftirqd/0	00:46:34	0
30652	99	45	12,6	cyclictest	3	-21	ksoftirqd/0	00:12:40	0
30652	99	45	11,5	cyclictest	3	-21	ksoftirqd/0	21:54:52	0
30652	99	44	21,4	cyclictest	3	-21	ksoftirqd/0	23:45:22	0
30652	99	44	21,4	cyclictest	3	-21	ksoftirqd/0	20:55:28	0
30652	99	44	14,5	cyclictest	3	-21	ksoftirqd/0	19:50:52	0
30652	99	44	14,5	cyclictest	3	-21	ksoftirqd/0	19:50:52	0
30652	99	44	13,3	cyclictest	3	-21	ksoftirqd/0	22:33:47	0
30652	99	44	12,4	cyclictest	3	-21	ksoftirqd/0	22:13:12	0
30652	99	44	12,4	cyclictest	3	-21	ksoftirqd/0	21:29:31	0
30652	99	44	12,4	cyclictest	3	-21	ksoftirqd/0	19:37:37	0
30652	99	44	12,3	cyclictest	3	-21	ksoftirqd/0	21:06:57	0
30652	99	44	11,4	cyclictest	3	-21	ksoftirqd/0	22:35:44	0
30652	99	44	10,6	cyclictest	3	-21	ksoftirqd/0	22:42:24	0
30652	99	44	10,6	cyclictest	3	-21	ksoftirqd/0	21:49:28	0
30652	99	44	10,5	cyclictest	3	-21	ksoftirqd/0	00:42:26	0
30653	99	43	21,12	cyclictest	22	-21	ksoftirqd/1	00:25:20	1
30652	99	43	22,4	cyclictest	3	-21	ksoftirqd/0	23:10:18	0
30652	99	43	21,4	cyclictest	3	-21	ksoftirqd/0	21:55:12	0
30652	99	43	21,4	cyclictest	3	-21	ksoftirqd/0	20:45:24	0
30652	99	43	12,3	cyclictest	3	-21	ksoftirqd/0	20:11:05	0
30652	99	43	11,5	cyclictest	3	-21	ksoftirqd/0	00:00:36	0
30653	99	42	23,9	cyclictest	22	-21	ksoftirqd/1	20:10:19	1
30652	99	42	8,5	cyclictest	3	-21	ksoftirqd/0	20:00:21	0
30652	99	42	19,4	cyclictest	3	-21	ksoftirqd/0	20:50:24	0
30652	99	42	15,7	cyclictest	3	-21	ksoftirqd/0	20:26:40	0
30652	99	42	11,3	cyclictest	3	-21	ksoftirqd/0	20:21:47	0
30653	99	41	25,4	cyclictest	22	-21	ksoftirqd/1	00:20:25	1
30653	99	41	19,12	cyclictest	22	-21	ksoftirqd/1	21:25:13	1
30652	99	41	20,4	cyclictest	3	-21	ksoftirqd/0	23:50:26	0
30653	99	40	26,4	cyclictest	22	-21	ksoftirqd/1	20:45:25	1
30653	99	40	24,4	cyclictest	22	-21	ksoftirqd/1	21:20:28	1
30653	99	40	23,4	cyclictest	22	-21	ksoftirqd/1	00:42:10	1
30653	99	39	26,4	cyclictest	22	-21	ksoftirqd/1	21:30:29	1
30653	99	39	25,4	cyclictest	22	-21	ksoftirqd/1	23:55:29	1
30653	99	39	25,4	cyclictest	22	-21	ksoftirqd/1	23:35:28	1
30653	99	39	25,4	cyclictest	22	-21	ksoftirqd/1	20:40:23	1
30653	99	39	25,4	cyclictest	22	-21	ksoftirqd/1	19:55:21	1
30653	99	39	25,4	cyclictest	22	-21	ksoftirqd/1	00:45:28	1
30653	99	39	24,5	cyclictest	22	-21	ksoftirqd/1	22:50:28	1
30653	99	39	24,5	cyclictest	22	-21	ksoftirqd/1	21:40:15	1
30653	99	39	24,5	cyclictest	22	-21	ksoftirqd/1	19:50:28	1
30653	99	39	24,5	cyclictest	22	-21	ksoftirqd/1	19:50:27	1
30653	99	39	23,4	cyclictest	22	-21	ksoftirqd/1	20:00:18	1
30653	99	39	23,4	cyclictest	22	-21	ksoftirqd/1	00:00:09	1
30653	99	39	19,10	cyclictest	22	-21	ksoftirqd/1	00:30:13	1
30653	99	38	3,4	cyclictest	8	1	rcu_preempt	22:30:12	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	23:40:18	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	23:10:26	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	22:10:24	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	21:50:16	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	21:10:24	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	21:05:23	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	00:10:18	1
30653	99	38	24,4	cyclictest	22	-21	ksoftirqd/1	00:05:11	1
30653	99	38	23,5	cyclictest	22	-21	ksoftirqd/1	22:35:27	1
30653	99	38	23,5	cyclictest	22	-21	ksoftirqd/1	19:30:22	1
30653	99	38	22,4	cyclictest	22	-21	ksoftirqd/1	23:30:14	1
30653	99	38	22,4	cyclictest	22	-21	ksoftirqd/1	20:30:28	1
30653	99	38	22,4	cyclictest	22	-21	ksoftirqd/1	19:45:22	1
30653	99	37	2,4	cyclictest	22	-21	ksoftirqd/1	00:15:31	1
30653	99	37	24,4	cyclictest	22	-21	ksoftirqd/1	20:15:16	1
30653	99	37	24,4	cyclictest	22	-21	ksoftirqd/1	00:35:21	1
30653	99	37	23,5	cyclictest	22	-21	ksoftirqd/1	20:50:29	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	23:50:15	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	23:15:17	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	23:00:11	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	22:45:21	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	22:40:28	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	22:25:30	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	22:20:19	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	22:05:27	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	21:55:14	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	21:45:28	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	20:35:27	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	20:25:23	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	20:20:22	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	19:40:24	1
30653	99	37	23,4	cyclictest	22	-21	ksoftirqd/1	00:50:23	1
30653	99	37	22,5	cyclictest	22	-21	ksoftirqd/1	22:15:26	1
30653	99	37	22,5	cyclictest	22	-21	ksoftirqd/1	20:55:27	1
30653	99	36	23,4	cyclictest	22	-21	ksoftirqd/1	23:05:26	1
30653	99	36	22,4	cyclictest	22	-21	ksoftirqd/1	23:45:17	1
30653	99	36	22,4	cyclictest	22	-21	ksoftirqd/1	23:25:12	1
30653	99	36	22,4	cyclictest	22	-21	ksoftirqd/1	21:15:23	1
30653	99	36	22,4	cyclictest	22	-21	ksoftirqd/1	21:00:18	1
30653	99	36	22,4	cyclictest	22	-21	ksoftirqd/1	19:35:24	1
30653	99	35	21,4	cyclictest	22	-21	ksoftirqd/1	23:20:29	1
30653	99	35	21,4	cyclictest	22	-21	ksoftirqd/1	22:55:22	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2019-05-28 - 00:17