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 May 02, 2025 00:44:39)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
2223	99	160	159,1	cyclictest	0	-21	swapper/2	19:12:35	2
2219	99	140	137,1	cyclictest	0	-21	swapper/1	19:12:35	1
1891	2	118	94,10	sleep1	0	-21	swapper/1	19:08:05	1
1887	2	117	104,10	sleep2	0	-21	swapper/2	19:08:01	2
1749	2	115	102,10	sleep3	0	-21	swapper/3	19:06:14	3
29337	2	107	95,7	sleep0	0	-21	swapper/0	19:05:15	0
2219	99	94	84,6	cyclictest	13928	-21	kworker/u16:2+events_unbound	19:25:25	1
2219	99	83	66,13	cyclictest	13928	-21	kworker/u16:2+events_unbound	20:25:20	1
2219	99	74	62,9	cyclictest	28187	-21	kworker/u16:3+events_unbound	23:10:18	1
2219	99	71	66,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:10:18	1
2219	99	70	66,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:30:28	1
2219	99	70	64,4	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:50:18	1
2219	99	69	65,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:20:01	1
2219	99	69	65,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	22:10:03	1
2219	99	68	65,2	cyclictest	13928	-21	kworker/u16:2+events_unbound	21:25:18	1
2219	99	67	63,3	cyclictest	3191	-21	kworker/u16:1+events_unbound	00:00:16	1
10654	2	67	0,0	sleep0	0	-21	swapper/0	23:40:12	0
2219	99	65	59,4	cyclictest	28187	-21	kworker/u16:3+events_unbound	22:00:28	1
21348	2	65	0,1	sleep0	18	1	rcuc/0	00:15:27	0
1489	2	65	0,0	sleep0	0	-21	swapper/0	20:05:17	0
2219	99	64	60,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	22:20:27	1
2219	99	64	60,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	19:20:27	1
2219	99	64	58,4	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:45:15	1
2219	99	63	59,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	22:15:14	1
2219	99	63	59,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:15:27	1
2219	99	63	59,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	00:20:28	1
2219	99	63	57,4	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:40:18	1
2219	99	62	58,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	22:45:27	1
2219	99	62	58,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:40:26	1
2219	99	62	58,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	00:10:26	1
2219	99	62	57,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	22:50:16	1
2219	99	62	57,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	00:30:16	1
2219	99	62	56,4	cyclictest	13928	-21	kworker/u16:2+events_unbound	20:15:18	1
2219	99	60	56,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	20:55:30	1
2219	99	60	56,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	20:30:25	1
2219	99	59	55,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:15:26	1
2219	99	59	55,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:15:25	1
2219	99	59	55,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	21:05:28	1
2219	99	59	54,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	22:05:16	1
2219	99	58	54,3	cyclictest	3191	-21	kworker/u16:1+events_unbound	23:55:25	1
2219	99	57	53,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	23:25:25	1
2219	99	57	53,3	cyclictest	13928	-21	kworker/u16:2+events_unbound	00:05:27	1
2219	99	56	53,2	cyclictest	28187	-21	kworker/u16:3+events_unbound	20:00:28	1
2219	99	56	52,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:55:24	1
2219	99	56	51,4	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:35:26	1
2219	99	55	51,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	20:10:29	1
2219	99	55	51,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	20:05:02	1
2219	99	53	48,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	21:30:21	1
2219	99	52	48,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	20:45:28	1
2219	99	51	47,3	cyclictest	28187	-21	kworker/u16:3+events_unbound	19:35:13	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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