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 Apr 19, 2024 00:44:42)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
13485	2	204	0,0	sleep3	0	-21	swapper/3	19:55:17	3
22889	99	178	176,1	cyclictest	0	-21	swapper/2	19:20:24	2
22889	99	146	144,1	cyclictest	0	-21	swapper/2	19:10:06	2
21761	2	118	103,10	sleep3	0	-21	swapper/3	19:05:23	3
22458	2	117	103,10	sleep2	0	-21	swapper/2	19:06:46	2
22708	2	113	101,9	sleep1	0	-21	swapper/1	19:09:58	1
22525	2	112	103,6	sleep0	0	-21	swapper/0	19:07:37	0
22886	99	105	102,2	cyclictest	7683	-21	kworker/u16:3+events_unbound	21:10:09	1
22886	99	83	80,2	cyclictest	797	-21	kworker/u16:1+events_unbound	23:15:18	1
22886	99	83	75,7	cyclictest	7683	-21	kworker/u16:3+events_unbound	22:45:26	1
22879	99	79	75,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	00:00:01	0
22879	99	73	69,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:15:01	0
22886	99	71	68,2	cyclictest	7683	-21	kworker/u16:3+events_unbound	22:55:25	1
22879	99	65	61,3	cyclictest	797	-21	kworker/u16:1+events_unbound	23:05:27	0
22879	99	62	58,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:30:03	0
22879	99	61	57,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	22:10:25	0
22889	99	60	55,4	cyclictest	7683	-21	kworker/u16:3+events_unbound	22:05:01	2
22879	99	60	56,3	cyclictest	797	-21	kworker/u16:1+events_unbound	22:35:53	0
22879	99	60	56,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	21:55:28	0
22879	99	59	53,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:15:03	0
4707	2	58	0,0	sleep3	0	-21	swapper/3	22:10:12	3
22879	99	58	54,3	cyclictest	797	-21	kworker/u16:1+events_unbound	23:15:28	0
22879	99	57	53,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	21:05:31	0
22879	99	56	45,10	cyclictest	0	-21	swapper/0	19:20:23	0
22886	99	55	52,2	cyclictest	2701	-21	kworker/u16:0+events_unbound	20:10:10	1
22886	99	55	50,4	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:35:11	1
22879	99	55	51,3	cyclictest	32390	-21	kworker/u16:2+events_unbound	00:15:30	0
22879	99	55	50,4	cyclictest	7683	-21	kworker/u16:3+events_unbound	23:50:11	0
22889	99	54	50,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	19:30:01	2
22886	99	54	50,3	cyclictest	32390	-21	kworker/u16:2+events_unbound	00:15:15	1
22879	99	54	52,2	cyclictest	7683	-21	kworker/u16:3+events_unbound	21:50:28	0
22879	99	54	50,3	cyclictest	797	-21	kworker/u16:1+events_unbound	23:40:27	0
22879	99	54	50,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	20:40:00	0
2518	2	53	0,0	sleep3	0	-21	swapper/3	20:40:21	3
2518	2	53	0,0	sleep3	0	-21	swapper/3	20:40:21	3
22889	99	52	48,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	21:05:02	2
22879	99	51	48,2	cyclictest	2701	-21	kworker/u16:0+events_unbound	21:15:29	0
22879	99	50	46,3	cyclictest	797	-21	kworker/u16:1+events_unbound	23:30:12	0
22879	99	50	46,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	23:55:14	0
22879	99	50	46,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	22:25:25	0
22879	99	49	46,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	20:20:14	0
22879	99	49	45,3	cyclictest	7683	-21	kworker/u16:3+events_unbound	21:10:32	0
22879	99	49	45,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	21:20:25	0
22879	99	49	43,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:25:23	0
22886	99	48	44,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:50:16	1
22886	99	48	44,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:15:13	1
22879	99	48	45,2	cyclictest	7683	-21	kworker/u16:3+events_unbound	20:50:25	0
22879	99	48	43,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	19:50:12	0
22879	99	47	44,2	cyclictest	2701	-21	kworker/u16:0+events_unbound	21:30:10	0
22879	99	47	43,3	cyclictest	2701	-21	kworker/u16:0+events_unbound	20:25:13	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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