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 Fri Nov 22, 2024 00:44:40)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
5555	2	228	0,0	sleep3	0	-21	swapper/3	19:15:00	3
31995	99	165	161,1	cyclictest	0	-21	swapper/1	19:13:02	1
31433	2	144	0,1	sleep3	0	-21	swapper/3	21:30:32	3
31628	2	115	102,9	sleep3	0	-21	swapper/3	19:07:45	3
31791	2	114	102,9	sleep2	0	-21	swapper/2	19:09:51	2
31626	2	108	95,10	sleep1	0	-21	swapper/1	19:07:42	1
26635	2	107	93,10	sleep0	0	-21	swapper/0	19:05:08	0
31999	99	58	53,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	20:40:15	2
31995	99	58	52,4	cyclictest	18363	-21	kworker/u16:1+events_unbound	21:40:02	1
31993	99	55	51,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:00:00	0
31993	99	50	46,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	22:55:24	0
31999	99	49	45,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	21:05:27	2
31999	99	49	45,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	19:20:15	2
31999	99	49	44,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	21:25:14	2
31999	99	47	43,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:30:20	2
31995	99	47	43,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	23:35:25	1
31993	99	47	42,4	cyclictest	27698	-21	kworker/u16:0+events_unbound	22:30:01	0
31993	99	47	42,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:10:01	0
31993	99	46	41,4	cyclictest	27698	-21	kworker/u16:0+events_unbound	21:55:25	0
31999	99	45	44,1	cyclictest	0	-21	swapper/2	19:13:02	2
31999	99	44	40,3	cyclictest	1568	-21	kworker/u16:3+events_unbound	00:35:27	2
3439	2	41	0,0	chrt	0	-21	swapper/2	20:10:14	2
31999	99	41	37,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	22:50:20	2
31993	99	41	36,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:15:01	0
31999	99	40	36,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	21:20:13	2
31999	99	39	35,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	19:50:24	2
31995	99	39	36,2	cyclictest	689	-21	snmpd	19:15:01	1
31993	99	39	34,4	cyclictest	27698	-21	kworker/u16:0+events_unbound	21:05:25	0
31999	99	37	33,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	23:35:13	2
31999	99	37	30,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	22:10:27	2
31993	99	37	33,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	21:15:14	0
31993	99	37	33,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:30:31	0
31999	99	36	32,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	23:10:22	2
31999	99	36	32,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	23:15:28	2
31999	99	36	32,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	22:40:24	2
31999	99	36	32,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	19:55:24	2
31993	99	36	32,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	19:40:17	0
31999	99	35	31,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	23:00:22	2
31999	99	35	31,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	20:15:28	2
31999	99	35	31,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	00:10:02	2
31993	99	35	31,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	20:05:24	0
31993	99	35	31,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	21:10:27	0
31993	99	35	31,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	20:00:28	0
31993	99	35	30,4	cyclictest	18363	-21	kworker/u16:1+events_unbound	20:45:02	0
23076	2	35	0,1	chrt	0	-21	swapper/2	22:25:13	2
31999	99	34	30,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	23:05:17	2
31999	99	34	30,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	22:20:20	2
31999	99	34	30,3	cyclictest	27698	-21	kworker/u16:0+events_unbound	00:05:23	2
31999	99	34	30,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	21:45:14	2
31999	99	33	29,3	cyclictest	18363	-21	kworker/u16:1+events_unbound	22:00:24	2
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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