OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #7

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

Click here to display the system's profile data.

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: performance
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackfslot7s.osadl.org (updated Sun Nov 24, 2024 00:44:19)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
185580	2	191	165,22	sleep2	0	-21	swapper/2	19:06:08	2
185625	2	144	108,28	sleep0	0	-21	swapper/0	19:06:42	0
185848	2	139	108,24	sleep3	0	-21	swapper/3	19:09:33	3
185599	2	139	103,29	sleep1	0	-21	swapper/1	19:06:23	1
186338	99	64	59,4	cyclictest	228829	-21	kworker/u8:3+flush-259:0	22:20:00	0
186348	99	62	60,2	cyclictest	257468	-21	kworker/u8:2+flush-259:0	22:55:15	3
186344	99	58	56,2	cyclictest	196194	-21	kworker/u8:2+flush-259:0	20:15:00	2
186348	99	57	55,2	cyclictest	274923	-21	kworker/u8:4+flush-259:0	00:20:23	3
186344	99	56	52,3	cyclictest	273329	-21	kworker/u8:2+flush-259:0	00:10:01	2
186338	99	54	51,2	cyclictest	216947	-21	apt-get	20:45:02	0
186348	99	53	47,5	cyclictest	194179	-21	kworker/u8:0+flush-259:0	19:55:00	3
186344	99	51	49,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	21:40:00	2
186348	99	50	48,2	cyclictest	228829	-21	kworker/u8:3+events_unbound	23:05:14	3
186348	99	50	47,2	cyclictest	228829	-21	kworker/u8:3+events_unbound	23:20:14	3
186348	99	47	44,2	cyclictest	232186	-21	kworker/u8:0+events_unbound	21:40:15	3
186348	99	47	43,3	cyclictest	232186	-21	kworker/u8:0+events_unbound	21:55:00	3
186348	99	46	43,2	cyclictest	280005	-21	kworker/u8:0+events_unbound	00:10:15	3
186348	99	46	43,2	cyclictest	274923	-21	kworker/u8:4+flush-259:0	23:55:21	3
186344	99	46	44,2	cyclictest	209079	-21	kworker/u8:1+flush-259:0	21:20:20	2
186348	99	45	43,2	cyclictest	194179	-21	kworker/u8:0+flush-259:0	20:10:15	3
186348	99	44	40,3	cyclictest	178025	-21	kworker/u8:1+events_unbound	19:35:13	3
186338	99	44	38,4	cyclictest	222540	-21	cp	21:00:02	0
186341	99	42	39,2	cyclictest	228829	-21	kworker/u8:3+events_unbound	23:34:59	1
186348	99	41	39,2	cyclictest	274923	-21	kworker/u8:4+flush-259:0	00:00:21	3
186348	99	41	39,2	cyclictest	218810	-21	kworker/u8:2+flush-259:0	21:10:19	3
186344	99	41	36,3	cyclictest	281551	-21	latency_hist	00:05:00	2
186338	99	41	35,4	cyclictest	197723	-21	apt-get	19:45:00	0
186338	99	40	37,2	cyclictest	178025	-21	kworker/u8:1+flush-259:0	19:15:01	0
186338	99	39	34,3	cyclictest	631	-21	rs:main		0
186338	99	39	34,3	cyclictest	631	-21	rs:main		0
186348	99	37	35,2	cyclictest	243044	-21	kworker/u8:1+events_unbound	22:30:00	3
186341	99	37	33,3	cyclictest	243044	-21	kworker/u8:1+flush-259:0	22:45:00	1
186341	99	37	31,4	cyclictest	250114	-21	ntpq	22:25:16	1
186338	99	37	33,3	cyclictest	273329	-21	kworker/u8:2+flush-259:0	23:45:01	0
186338	99	37	32,3	cyclictest	291528	-21	diskstats	00:35:13	0
186348	99	36	35,1	cyclictest	194179	-21	kworker/u8:0+events_unbound	20:30:14	3
186344	99	36	34,2	cyclictest	209079	-21	kworker/u8:1+flush-259:0	21:05:23	2
186344	99	36	31,4	cyclictest	433058	-21	systemd-journal	21:50:24	2
186341	99	36	35,1	cyclictest	274923	-21	kworker/u8:4+events_unbound	00:13:26	1
186348	99	35	33,2	cyclictest	209079	-21	kworker/u8:1+flush-259:0	21:19:55	3
186348	99	35	32,2	cyclictest	232186	-21	kworker/u8:0+flush-259:0	21:30:24	3
186344	99	35	30,3	cyclictest	218781	-21	apt-get	20:50:00	2
186338	99	35	31,2	cyclictest	21	1	rcuc/0	00:20:00	0
186338	99	35	29,4	cyclictest	238304	-21	kworker/u8:4+flush-259:0	22:55:01	0
186348	99	34	32,2	cyclictest	238304	-21	kworker/u8:4+flush-259:0	22:50:21	3
186348	99	34	29,4	cyclictest	231201	-21	ntpq	21:25:17	3
186344	99	34	31,2	cyclictest	286294	-21	latency_hist	00:20:01	2
186341	99	34	30,3	cyclictest	228829	-21	kworker/u8:3+flush-259:0	23:20:21	1
186341	99	34	29,3	cyclictest	210622	-21	latency_hist	20:25:01	1
186348	99	33	31,2	cyclictest	286349	-21	kworker/u8:5+flush-259:0	00:35:21	3
186348	99	33	31,2	cyclictest	232186	-21	kworker/u8:0+events_unbound	21:35:15	3
186344	99	33	29,3	cyclictest	258928	-21	store	22:55:00	2
186341	99	33	28,3	cyclictest	201375	-21	/usr/sbin/munin	19:55:17	1
186338	99	33	30,2	cyclictest	194179	-21	kworker/u8:0+flush-259:0	19:50:00	0
186348	99	32	30,2	cyclictest	257468	-21	kworker/u8:2+events_unbound	23:15:14	3
186348	99	32	30,2	cyclictest	232186	-21	kworker/u8:0+events_unbound	21:45:19	3
186348	99	32	29,2	cyclictest	209079	-21	kworker/u8:1+events_unbound	20:50:01	3
186341	99	32	26,4	cyclictest	232612	-21	meminfo	21:30:18	1
186338	99	32	27,4	cyclictest	216186	-21	ntpq	20:40:18	0
186338	99	32	27,3	cyclictest	228773	-21	latency_hist	21:20:00	0
186348	99	31	28,2	cyclictest	181001	-21	kworker/u8:2+events_unbound	19:10:14	3
186348	99	31	27,3	cyclictest	433058	-21	systemd-journal	22:39:03	3
186348	99	30	28,2	cyclictest	274923	-21	kworker/u8:4+events_unbound	00:15:23	3
186338	99	30	25,3	cyclictest	283131	-21	latency_hist	00:10:01	0
186348	99	29	28,1	cyclictest	273329	-21	kworker/u8:2+events_unbound	00:05:20	3
186348	99	29	25,3	cyclictest	194179	-21	kworker/u8:0+events_unbound	20:00:17	3
186348	99	29	25,1	cyclictest	260283	-21	kworker/u8:0+events_unbound	23:30:18	3
186348	99	29	23,4	cyclictest	209846	-21	ntpq	20:20:17	3
186344	99	29	26,2	cyclictest	196194	-21	kworker/u8:2+flush-259:0	20:35:00	2
186341	99	29	27,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	23:15:00	1
186348	99	28	27,1	cyclictest	238304	-21	kworker/u8:4+events_unbound	22:30:23	3
186348	99	28	26,2	cyclictest	286349	-21	kworker/u8:5+flush-259:0	00:25:05	3
186348	99	28	26,2	cyclictest	238304	-21	kworker/u8:4+events_unbound	22:00:22	3
186348	99	28	26,2	cyclictest	238304	-21	kworker/u8:4+events_unbound	22:00:22	3
186344	99	28	26,2	cyclictest	228829	-21	kworker/u8:3+events_unbound	23:18:25	2
186344	99	28	25,2	cyclictest	194179	-21	kworker/u8:0+events_unbound	20:05:18	2
186344	99	28	24,3	cyclictest	243286	-21	apt-get	22:05:12	2
186338	99	28	24,3	cyclictest	196194	-21	kworker/u8:2+flush-259:0	20:00:00	0
186344	99	27	25,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	23:50:01	2
186344	99	27	25,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	23:50:01	2
186341	99	27	24,2	cyclictest	273329	-21	kworker/u8:2+flush-259:0	23:55:00	1
186341	99	27	21,4	cyclictest	247741	-21	latency_hist	22:20:00	1
186348	99	26	24,2	cyclictest	274923	-21	kworker/u8:4+events_unbound	23:45:23	3
186348	99	26	24,2	cyclictest	274923	-21	kworker/u8:4+events_unbound	23:45:22	3
186348	99	26	24,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	21:55:16	3
186348	99	26	24,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	21:55:15	3
186348	99	26	24,2	cyclictest	178025	-21	kworker/u8:1+events_unbound	19:25:19	3
186348	99	26	24,2	cyclictest	178025	-21	kworker/u8:1+events_unbound	19:20:20	3
186344	99	26	22,3	cyclictest	260283	-21	kworker/u8:0+events_unbound	23:00:18	2
186344	99	26	22,3	cyclictest	243044	-21	kworker/u8:1+flush-259:0	22:35:00	2
186344	99	26	21,3	cyclictest	202725	-21	idleruntime-cro	20:00:01	2
186341	99	26	24,2	cyclictest	228829	-21	kworker/u8:3+flush-259:0	23:35:16	1
186338	99	26	22,3	cyclictest	194179	-21	kworker/u8:0+flush-259:0	19:35:00	0
186338	99	26	18,5	cyclictest	631	-21	rs:main		0
186348	99	25	19,4	cyclictest	289959	-21	diskstats	00:30:17	3
186344	99	25	23,2	cyclictest	228829	-21	kworker/u8:3+events_unbound	23:35:15	2
186344	99	25	22,2	cyclictest	274923	-21	kworker/u8:4+flush-259:0	23:55:16	2
186344	99	25	22,2	cyclictest	243044	-21	kworker/u8:1+flush-259:0	22:24:55	2
186338	99	25	21,3	cyclictest	243044	-21	kworker/u8:1+flush-259:0	22:30:01	0
186338	99	25	19,5	cyclictest	218810	-21	kworker/u8:2+flush-259:0	21:05:00	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2024-07-29 - 23:00