OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #f, slot #5

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: reduced

Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system

Characteristics of all highest latencies:

System rackfslot5.osadl.org (updated Thu Sep 17, 2026 06:46:28)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
24370	99	792	747,39	cyclictest	13614	-21	kworker/0:5+events_freezable_power_	05:29:34	0
24370	99	792	747,39	cyclictest	13614	-21	kworker/0:5+events_freezable_power_	05:29:34	0
24371	99	767	755,7	cyclictest	0	-21	swapper/1	05:07:38	1
24371	99	766	754,7	cyclictest	0	-21	swapper/1	05:18:37	1
24371	99	766	754,7	cyclictest	0	-21	swapper/1	05:18:36	1
24371	99	762	749,8	cyclictest	0	-21	swapper/1	06:35:25	1
24374	99	760	748,7	cyclictest	0	-21	swapper/3	05:51:32	3
24374	99	760	748,7	cyclictest	0	-21	swapper/3	05:51:31	3
24371	99	750	738,7	cyclictest	0	-21	swapper/1	06:24:26	1
24374	99	744	731,8	cyclictest	0	-21	swapper/3	06:13:27	3
24370	99	744	713,25	cyclictest	26556	-21	kworker/0:2+events_freezable_power_	05:07:39	0
24374	99	743	734,5	cyclictest	0	-21	swapper/3	05:40:32	3
24374	99	743	734,5	cyclictest	0	-21	swapper/3	05:40:32	3
24370	99	742	711,25	cyclictest	26556	-21	kworker/0:2+events_freezable_power_	05:18:36	0
24370	99	742	711,25	cyclictest	26556	-21	kworker/0:2+events_freezable_power_	05:18:36	0
24374	99	737	725,7	cyclictest	0	-21	swapper/3	06:02:29	3
24370	99	734	706,23	cyclictest	29171	-21	kworker/0:0+events_freezable_power_	06:35:24	0
24370	99	724	696,23	cyclictest	26556	-21	kworker/0:2+events_freezable_power_	06:24:27	0
24372	99	701	691,5	cyclictest	0	-21	swapper/2	05:51:32	2
24372	99	701	691,5	cyclictest	0	-21	swapper/2	05:51:32	2
24374	99	689	674,11	cyclictest	0	-21	swapper/3	05:29:35	3
24374	99	689	674,11	cyclictest	0	-21	swapper/3	05:29:35	3
24372	99	686	677,4	cyclictest	0	-21	swapper/2	05:40:33	2
24372	99	686	677,4	cyclictest	0	-21	swapper/2	05:40:32	2
24372	99	684	674,5	cyclictest	0	-21	swapper/2	06:13:28	2
24372	99	678	668,5	cyclictest	0	-21	swapper/2	06:02:29	2
24371	99	673	665,3	cyclictest	0	-21	swapper/1	05:51:31	1
24371	99	673	665,3	cyclictest	0	-21	swapper/1	05:51:31	1
24371	99	659	650,4	cyclictest	0	-21	swapper/1	05:40:32	1
24371	99	659	650,4	cyclictest	0	-21	swapper/1	05:40:32	1
24371	99	655	647,3	cyclictest	0	-21	swapper/1	06:13:27	1
24371	99	650	641,4	cyclictest	0	-21	swapper/1	06:02:29	1
24374	99	648	639,5	cyclictest	0	-21	swapper/3	05:07:38	3
24374	99	647	638,5	cyclictest	0	-21	swapper/3	05:18:37	3
24374	99	647	638,5	cyclictest	0	-21	swapper/3	05:18:36	3
24374	99	642	633,5	cyclictest	0	-21	swapper/3	06:35:25	3
24370	99	639	622,12	cyclictest	12890	-21	kworker/0:0+events_freezable_power_	05:51:31	0
24370	99	639	622,12	cyclictest	12890	-21	kworker/0:0+events_freezable_power_	05:51:31	0
24374	99	631	622,5	cyclictest	0	-21	swapper/3	06:24:26	3
24372	99	626	617,4	cyclictest	0	-21	swapper/2	05:29:34	2
24372	99	626	617,4	cyclictest	0	-21	swapper/2	05:29:34	2
24370	99	617	607,6	cyclictest	13614	-21	kworker/0:5+events_freezable_power_	05:40:33	0
24370	99	617	607,6	cyclictest	13614	-21	kworker/0:5+events_freezable_power_	05:40:32	0
24370	99	615	605,5	cyclictest	14952	-21	kworker/0:5+events_freezable_power_	06:13:28	0
24370	99	608	598,5	cyclictest	13100	-21	kworker/0:3+events_freezable_power_	06:02:29	0
24371	99	599	590,4	cyclictest	0	-21	swapper/1	05:29:34	1
24371	99	599	590,4	cyclictest	0	-21	swapper/1	05:29:34	1
24372	99	592	582,5	cyclictest	0	-21	swapper/2	05:07:38	2
24372	99	591	576,8	cyclictest	0	-21	swapper/2	06:35:24	2
24372	99	590	581,4	cyclictest	0	-21	swapper/2	05:18:36	2
24372	99	590	581,4	cyclictest	0	-21	swapper/2	05:18:36	2
24372	99	580	565,8	cyclictest	0	-21	swapper/2	06:24:27	2
24371	99	47	1,5	cyclictest	0	-21	swapper/1	06:05:21	1
24371	99	47	1,5	cyclictest	0	-21	swapper/1	06:05:21	1
24371	99	47	1,5	cyclictest	0	-21	swapper/1	05:30:30	1
24371	99	45	2,5	cyclictest	0	-21	swapper/1	06:00:07	1
24371	99	45	2,5	cyclictest	0	-21	swapper/1	06:00:07	1
24372	99	43	2,5	cyclictest	0	-21	swapper/2	05:58:28	2
24372	99	43	2,5	cyclictest	0	-21	swapper/2	05:58:28	2
24372	99	43	1,5	cyclictest	0	-21	swapper/2	05:20:43	2
24372	99	43	1,5	cyclictest	0	-21	swapper/2	05:20:42	2
24371	99	43	2,37	cyclictest	0	-21	swapper/1	06:25:27	1
24371	99	42	1,5	cyclictest	0	-21	swapper/1	06:17:38	1
24371	99	42	1,37	cyclictest	0	-21	swapper/1	05:10:43	1
24372	99	41	1,5	cyclictest	0	-21	swapper/2	05:30:06	2
24371	99	41	1,36	cyclictest	0	-21	swapper/1	05:36:20	1
24371	99	41	1,36	cyclictest	0	-21	swapper/1	05:36:20	1
24371	99	41	1,36	cyclictest	0	-21	swapper/1	05:36:20	1
24372	99	40	1,35	cyclictest	0	-21	swapper/2	06:18:21	2
24371	99	40	1,5	cyclictest	0	-21	swapper/1	05:20:23	1
24371	99	40	1,5	cyclictest	0	-21	swapper/1	05:20:22	1
24374	99	39	25,9	cyclictest	0	-21	swapper/3	05:57:36	3
24374	99	39	25,9	cyclictest	0	-21	swapper/3	05:57:35	3
24372	99	39	1,5	cyclictest	0	-21	swapper/2	06:31:51	2
24372	99	39	1,5	cyclictest	0	-21	swapper/2	06:25:56	2
24372	99	39	1,5	cyclictest	0	-21	swapper/2	05:35:17	2
24372	99	39	1,5	cyclictest	0	-21	swapper/2	05:35:17	2
24372	99	39	1,5	cyclictest	0	-21	swapper/2	05:35:17	2
24372	99	39	1,5	cyclictest	0	-21	swapper/2	05:13:11	2
24374	99	38	26,8	cyclictest	0	-21	swapper/3	05:21:02	3
24374	99	38	26,8	cyclictest	0	-21	swapper/3	05:21:02	3
24374	99	37	25,8	cyclictest	0	-21	swapper/3	05:40:22	3
24374	99	37	25,8	cyclictest	0	-21	swapper/3	05:40:21	3
24374	99	37	25,8	cyclictest	0	-21	swapper/3	05:40:21	3
24372	99	37	2,12	cyclictest	0	-21	swapper/2	06:07:41	2
24372	99	37	2,12	cyclictest	0	-21	swapper/2	06:07:41	2
24374	99	36	27,5	cyclictest	0	-21	swapper/3	06:17:32	3
24374	99	36	27,5	cyclictest	0	-21	swapper/3	05:30:14	3
24374	99	36	24,7	cyclictest	0	-21	swapper/3	06:30:20	3
24374	99	36	24,7	cyclictest	0	-21	swapper/3	06:08:52	3
24374	99	36	24,7	cyclictest	0	-21	swapper/3	06:08:52	3
24372	99	36	2,5	cyclictest	0	-21	swapper/2	05:48:41	2
24372	99	36	2,5	cyclictest	0	-21	swapper/2	05:48:41	2
24372	99	36	2,5	cyclictest	0	-21	swapper/2	05:48:41	2
24370	99	36	27,6	cyclictest	94	50	irq/76-5b050000.ethernet	06:30:12	0
24370	99	36	11,22	cyclictest	22	1	rcuc/0	06:07:57	0
24370	99	36	11,22	cyclictest	22	1	rcuc/0	06:07:57	0
24374	99	35	26,5	cyclictest	0	-21	swapper/3	05:10:45	3
24370	99	35	26,6	cyclictest	94	50	irq/76-5b050000.ethernet	06:15:57	0
24370	99	35	26,6	cyclictest	94	50	irq/76-5b050000.ethernet	05:30:47	0
24370	99	35	25,6	cyclictest	94	50	irq/76-5b050000.ethernet	05:21:33	0
24370	99	35	25,6	cyclictest	94	50	irq/76-5b050000.ethernet	05:21:33	0
24370	99	35	23,8	cyclictest	0	-21	swapper/0	05:58:04	0
24370	99	35	23,8	cyclictest	0	-21	swapper/0	05:58:03	0
24370	99	35	20,12	cyclictest	16	1	ktimers/0	06:25:16	0
24370	99	35	1,7	cyclictest	18035	-21	sh	05:35:58	0
24370	99	35	1,7	cyclictest	18035	-21	sh	05:35:57	0
24370	99	35	1,7	cyclictest	18035	-21	sh	05:35:57	0
24374	99	34	25,5	cyclictest	0	-21	swapper/3	06:25:09	3
24370	99	34	25,6	cyclictest	94	50	irq/76-5b050000.ethernet	05:10:36	0
24374	99	33	24,5	cyclictest	0	-21	swapper/3	05:45:14	3
24374	99	33	24,5	cyclictest	0	-21	swapper/3	05:45:13	3
24374	99	33	24,5	cyclictest	0	-21	swapper/3	05:45:13	3
24371	99	33	3,26	cyclictest	0	-21	swapper/1	06:30:16	1
24371	99	33	1,5	cyclictest	0	-21	swapper/1	05:48:23	1
24371	99	33	1,5	cyclictest	0	-21	swapper/1	05:48:22	1
24371	99	33	1,5	cyclictest	0	-21	swapper/1	05:48:22	1
24370	99	33	24,6	cyclictest	94	50	irq/76-5b050000.ethernet	05:05:02	0
24370	99	32	17,12	cyclictest	1626	-21	snmpd	05:47:47	0
24370	99	32	17,12	cyclictest	1626	-21	snmpd	05:47:46	0
24370	99	32	17,12	cyclictest	1626	-21	snmpd	05:47:46	0
24374	99	31	22,5	cyclictest	0	-21	swapper/3	05:05:02	3
24371	99	31	23,5	cyclictest	0	-21	swapper/1	05:05:06	1
24372	99	28	1,5	cyclictest	0	-21	swapper/2	05:05:06	2
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2025-04-16 - 17:23