OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #b, slot #5

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 - Next

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: performance
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackbslot5s.osadl.org (updated Thu Mar 12, 2026 00:44:53)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
930463	99	50	42,5	cyclictest	968713	-21	sendmail	21:00:01	3
930454	99	46	38,5	cyclictest	963602	-21	munin-run	20:45:00	1
930449	99	46	40,4	cyclictest	1030713	-21	cron	00:00:00	0
930454	99	45	35,7	cyclictest	989143	-21	grep	21:55:27	1
930449	99	45	38,4	cyclictest	948258	-21	idleruntime-cro	20:00:00	0
930463	99	44	36,5	cyclictest	1032014	-21	grep	00:00:24	3
930458	99	43	35,4	cyclictest	930442	-21	cyclictest	00:18:36	2
930449	99	43	32,8	cyclictest	972329	-21	cron	21:10:00	0
930463	99	42	33,6	cyclictest	0	-21	swapper/3	20:25:01	3
930463	99	42	32,7	cyclictest	1035368	-21	grep	00:10:24	3
930449	99	42	30,7	cyclictest	1004522	-21	grep	22:40:27	0
930454	99	41	31,6	cyclictest	0	-21	swapper/1	21:35:01	1
930454	99	41	31,6	cyclictest	0	-21	swapper/1	21:35:01	1
930449	99	41	31,6	cyclictest	987460	-21	grep	21:50:26	0
930463	99	40	30,6	cyclictest	0	-21	swapper/3	23:20:00	3
930458	99	40	30,6	cyclictest	1003230	-21	munin-run	22:40:00	2
930458	99	40	29,6	cyclictest	0	-21	swapper/2	00:25:00	2
930454	99	40	25,12	cyclictest	23	1	ktimers/1	20:05:11	1
930449	99	40	33,3	cyclictest	0	-21	swapper/0	19:30:00	0
930449	99	40	30,4	cyclictest	0	-21	swapper/0	23:10:14	0
930458	99	39	29,6	cyclictest	0	-21	swapper/2	21:55:00	2
930454	99	39	31,4	cyclictest	0	-21	swapper/1	20:00:19	1
930454	99	39	28,7	cyclictest	966522	-21	grep	20:50:25	1
930449	99	39	29,7	cyclictest	1022193	-21	sh	23:35:00	0
930463	99	38	30,4	cyclictest	1037562	-21	idleruntime-cro	00:20:00	3
930458	99	38	30,4	cyclictest	0	-21	swapper/2	19:50:01	2
930458	99	38	30,4	cyclictest	0	-21	swapper/2	19:50:00	2
930454	99	38	29,5	cyclictest	999837	-21	idleruntime-cro	22:30:00	1
930449	99	38	19,7	cyclictest	1030614	-21	kworker/u8:0+events_unbound	00:09:14	0
930463	99	37	30,4	cyclictest	982768	-21	cron	21:40:00	3
930463	99	37	27,6	cyclictest	0	-21	swapper/3	00:00:01	3
930458	99	37	27,6	cyclictest	0	-21	swapper/2	21:00:00	2
930454	99	37	29,4	cyclictest	0	-21	swapper/1	19:15:03	1
930449	99	37	27,4	cyclictest	0	-21	swapper/0	19:40:00	0
930449	99	37	27,4	cyclictest	0	-21	swapper/0	19:40:00	0
930449	99	37	26,6	cyclictest	0	-21	swapper/0	22:55:55	0
930449	99	37	25,7	cyclictest	1035834	-21	sh	00:15:00	0
930463	99	36	29,4	cyclictest	989595	-21	grep	22:00:01	3
930463	99	36	29,4	cyclictest	0	-21	swapper/3	20:50:00	3
930463	99	36	27,6	cyclictest	0	-21	swapper/3	23:25:00	3
930463	99	36	26,6	cyclictest	1042197	-21	grep	00:30:24	3
930463	99	36	26,6	cyclictest	0	-21	swapper/3	22:35:24	3
930463	99	36	26,6	cyclictest	0	-21	swapper/3	20:00:27	3
930463	99	36	25,8	cyclictest	0	-21	swapper/3	19:10:11	3
930458	99	36	28,5	cyclictest	989145	-21	unixbench_multi	21:55:27	2
930458	99	36	26,6	cyclictest	0	-21	swapper/2	20:50:25	2
930454	99	36	29,4	cyclictest	1016601	-21	unixbench_multi	23:15:26	1
930454	99	36	26,6	cyclictest	0	-21	swapper/1	19:10:15	1
930449	99	36	25,7	cyclictest	985752	-21	grep	21:45:25	0
930463	99	35	27,4	cyclictest	0	-21	swapper/3	23:00:00	3
930463	99	35	27,4	cyclictest	0	-21	swapper/3	00:05:14	3
930463	99	35	26,6	cyclictest	977482	-21	grep	21:25:00	3
930463	99	35	26,6	cyclictest	977482	-21	grep	21:25:00	3
930463	99	35	25,6	cyclictest	943529	-21	fschecks_count	19:45:17	3
930463	99	35	25,6	cyclictest	943529	-21	fschecks_count	19:45:17	3
930458	99	35	25,6	cyclictest	0	-21	swapper/2	23:35:25	2
930458	99	35	24,6	cyclictest	0	-21	swapper/2	22:40:25	2
930454	99	35	27,4	cyclictest	0	-21	swapper/1	20:15:21	1
930454	99	35	26,6	cyclictest	1036233	-21	fschecks_count	00:15:16	1
930454	99	35	26,6	cyclictest	0	-21	swapper/1	20:40:01	1
930454	99	35	25,6	cyclictest	0	-21	swapper/1	22:55:00	1
930449	99	35	26,6	cyclictest	942735	-21	grep	19:40:24	0
930449	99	35	26,6	cyclictest	942735	-21	grep	19:40:23	0
930449	99	35	26,4	cyclictest	0	-21	swapper/0	21:25:00	0
930449	99	35	26,4	cyclictest	0	-21	swapper/0	21:25:00	0
930449	99	35	25,6	cyclictest	0	-21	swapper/0	21:55:28	0
930449	99	35	24,7	cyclictest	949540	-21	grep	20:00:27	0
930449	99	35	24,6	cyclictest	964872	-21	grep	20:45:25	0
930449	99	35	24,5	cyclictest	1002810	-21	head	22:35:24	0
930449	99	35	22,8	cyclictest	958082	-21	grep	20:25:26	0
930463	99	34	27,3	cyclictest	0	-21	swapper/3	20:15:21	3
930463	99	34	25,6	cyclictest	0	-21	swapper/3	23:05:00	3
930463	99	34	23,7	cyclictest	0	-21	swapper/3	23:05:24	3
930458	99	34	24,6	cyclictest	0	-21	swapper/2	23:59:59	2
930454	99	34	25,6	cyclictest	0	-21	swapper/1	19:50:00	1
930454	99	34	25,6	cyclictest	0	-21	swapper/1	19:50:00	1
930454	99	34	24,6	cyclictest	1022224	-21	wc	23:35:00	1
930454	99	34	23,7	cyclictest	0	-21	swapper/1	23:15:00	1
930454	99	34	23,6	cyclictest	0	-21	swapper/1	00:05:23	1
930449	99	34	27,4	cyclictest	1023897	-21	sh	23:40:01	0
930449	99	34	24,6	cyclictest	0	-21	swapper/0	22:50:25	0
930463	99	33	27,3	cyclictest	0	-21	swapper/3	20:55:00	3
930463	99	33	24,6	cyclictest	0	-21	swapper/3	19:35:23	3
930463	99	33	24,6	cyclictest	0	-21	swapper/3	19:35:23	3
930463	99	33	23,7	cyclictest	994702	-21	sh	22:15:00	3
930458	99	33	27,3	cyclictest	0	-21	swapper/2	19:15:01	2
930458	99	33	26,4	cyclictest	0	-21	swapper/2	23:20:01	2
930458	99	33	25,4	cyclictest	0	-21	swapper/2	21:50:01	2
930458	99	33	24,6	cyclictest	0	-21	swapper/2	22:20:00	2
930458	99	33	23,6	cyclictest	0	-21	swapper/2	23:35:00	2
930458	99	33	23,6	cyclictest	0	-21	swapper/2	21:30:25	2
930458	99	33	23,6	cyclictest	0	-21	swapper/2	21:30:25	2
930458	99	33	23,6	cyclictest	0	-21	swapper/2	21:15:00	2
930458	99	33	23,6	cyclictest	0	-21	swapper/2	21:15:00	2
930449	99	33	5,16	cyclictest	968703	-21	munin-run	21:00:01	0
930449	99	33	25,4	cyclictest	0	-21	swapper/0	20:40:01	0
930463	99	32	24,5	cyclictest	0	-21	swapper/3	19:20:23	3
930463	99	32	24,4	cyclictest	0	-21	swapper/3	22:35:00	3
930463	99	32	24,4	cyclictest	0	-21	swapper/3	19:15:25	3
930463	99	32	20,8	cyclictest	937824	-21	http	19:30:01	3
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


Access: public		Short link to this page
This page was last modified on 2019-05-28 - 00:17