OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, 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
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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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system

Characteristics of the 50 highest latencies:

System rack5slot4s.osadl.org (updated Sun Dec 10, 2023 12:44:39)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
13521	99	193	187,2	cyclictest	27987	-21	smartctl	07:20:25	1
13524	99	173	171,1	cyclictest	0	-21	swapper/2	07:20:25	2
13517	99	124	113,10	cyclictest	0	-21	swapper/0	07:20:26	0
12718	2	118	104,10	sleep2	0	-21	swapper/2	07:05:39	2
8013	2	117	104,9	sleep3	0	-21	swapper/3	07:05:18	3
13112	2	116	103,10	sleep0	0	-21	swapper/0	07:07:05	0
13143	2	115	102,10	sleep1	0	-21	swapper/1	07:07:30	1
13521	99	109	104,2	cyclictest	0	-21	swapper/1	07:10:03	1
13524	99	94	90,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:55:27	2
13521	99	93	90,2	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:15:36	1
13524	99	92	85,5	cyclictest	26033	-21	kworker/u16:0+events_unbound	08:00:31	2
13521	99	92	89,2	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:50:02	1
13524	99	90	88,1	cyclictest	0	-21	swapper/2	07:10:02	2
13521	99	84	81,2	cyclictest	26033	-21	kworker/u16:0+events_unbound	08:30:22	1
13524	99	77	73,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:50:03	2
13521	99	67	63,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	08:45:36	1
13521	99	66	62,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	12:35:38	1
13521	99	64	45,12	cyclictest	26033	-21	kworker/u16:0+events_unbound	11:59:26	1
13521	99	63	59,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	09:35:37	1
13524	99	62	58,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	08:25:37	2
13521	99	62	58,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	12:10:36	1
13521	99	61	57,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	09:30:36	1
13517	99	61	57,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:39:56	0
13521	99	59	55,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	11:15:35	1
13524	99	58	53,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	09:50:30	2
13521	99	58	54,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	11:50:34	1
13521	99	57	51,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:30:43	1
13521	99	56	52,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	09:20:33	1
13521	99	56	52,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:45:40	1
13521	99	55	51,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	10:30:34	1
13521	99	55	51,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	08:05:32	1
13524	99	53	34,12	cyclictest	15706	-21	kworker/u16:3+events_unbound	11:55:11	2
13524	99	52	47,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:40:39	2
13524	99	52	29,15	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:42:39	2
13521	99	52	48,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	11:45:31	1
13524	99	51	47,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:10:31	2
13524	99	50	46,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	12:25:21	2
13524	99	50	46,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	09:10:35	2
13521	99	50	46,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	09:25:26	1
13521	99	50	44,2	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:00:01	1
13524	99	49	45,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:50:33	2
13524	99	49	45,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:25:30	2
13521	99	49	45,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	11:30:35	1
13521	99	49	45,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	07:55:06	1
13521	99	49	31,15	cyclictest	26033	-21	kworker/u16:0+events_unbound	10:49:45	1
13521	99	48	44,3	cyclictest	26033	-21	kworker/u16:0+events_unbound	07:25:39	1
13521	99	48	43,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	12:15:23	1
13524	99	47	43,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	11:45:09	2
13524	99	47	43,3	cyclictest	15706	-21	kworker/u16:3+events_unbound	10:45:23	2
13524	99	47	42,4	cyclictest	26033	-21	kworker/u16:0+events_unbound	08:10:21	2
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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