OSADL QA Farm on Real-time of Mainline Linux

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

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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 the 100 highest latencies:

System rackfslot5.osadl.org (updated Fri Jun 12, 2026 12:46:18)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
9649	99	962	951,7	cyclictest	0	-21	swapper/3	08:19:02	3
9647	99	906	896,5	cyclictest	0	-21	swapper/1	08:19:02	1
9646	99	858	842,11	cyclictest	26905	-21	kworker/0:4+events_freezable_power_	08:19:02	0
9647	99	772	759,7	cyclictest	0	-21	swapper/1	07:46:08	1
9649	99	765	751,8	cyclictest	0	-21	swapper/3	12:20:19	3
9649	99	760	746,8	cyclictest	0	-21	swapper/3	10:30:39	3
9649	99	758	747,7	cyclictest	0	-21	swapper/3	09:35:48	3
9649	99	757	745,7	cyclictest	0	-21	swapper/3	07:24:13	3
9649	99	756	745,7	cyclictest	0	-21	swapper/3	10:19:41	3
9649	99	756	745,7	cyclictest	0	-21	swapper/3	10:19:40	3
9649	99	751	738,8	cyclictest	0	-21	swapper/3	11:25:29	3
9649	99	750	738,7	cyclictest	0	-21	swapper/3	10:08:42	3
9649	99	750	737,8	cyclictest	0	-21	swapper/3	08:30:00	3
9649	99	748	736,7	cyclictest	0	-21	swapper/3	10:52:34	3
9649	99	743	732,7	cyclictest	0	-21	swapper/3	08:40:58	3
9649	99	743	731,7	cyclictest	0	-21	swapper/3	08:08:04	3
9649	99	743	731,7	cyclictest	0	-21	swapper/3	07:13:15	3
9649	99	741	729,7	cyclictest	0	-21	swapper/3	09:57:44	3
9649	99	741	729,7	cyclictest	0	-21	swapper/3	09:57:44	3
9649	99	740	729,7	cyclictest	0	-21	swapper/3	11:58:22	3
9649	99	740	728,7	cyclictest	0	-21	swapper/3	12:09:21	3
9649	99	738	727,7	cyclictest	0	-21	swapper/3	09:46:47	3
9649	99	738	726,7	cyclictest	0	-21	swapper/3	08:51:57	3
9649	99	738	726,7	cyclictest	0	-21	swapper/3	08:51:56	3
9649	99	737	725,7	cyclictest	0	-21	swapper/3	11:14:31	3
9649	99	737	725,7	cyclictest	0	-21	swapper/3	11:03:32	3
9649	99	737	725,7	cyclictest	0	-21	swapper/3	09:13:52	3
9649	99	737	725,7	cyclictest	0	-21	swapper/3	09:13:52	3
9649	99	736	726,5	cyclictest	0	-21	swapper/3	09:24:50	3
9649	99	736	726,5	cyclictest	0	-21	swapper/3	09:24:50	3
9649	99	736	724,7	cyclictest	0	-21	swapper/3	07:35:11	3
9649	99	735	724,7	cyclictest	0	-21	swapper/3	09:02:54	3
9649	99	735	724,7	cyclictest	0	-21	swapper/3	09:02:54	3
9649	99	734	722,7	cyclictest	0	-21	swapper/3	12:31:17	3
9649	99	734	722,7	cyclictest	0	-21	swapper/3	12:31:17	3
9649	99	734	722,7	cyclictest	0	-21	swapper/3	11:47:25	3
9649	99	734	722,7	cyclictest	0	-21	swapper/3	11:36:27	3
9649	99	731	719,7	cyclictest	0	-21	swapper/3	10:41:36	3
9646	99	730	704,20	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	07:46:08	0
9649	99	729	717,7	cyclictest	0	-21	swapper/3	07:57:06	3
9648	99	726	711,8	cyclictest	0	-21	swapper/2	08:19:02	2
9648	99	715	707,3	cyclictest	0	-21	swapper/2	09:35:48	2
9647	99	709	697,5	cyclictest	0	-21	swapper/1	12:20:19	1
9648	99	708	698,5	cyclictest	0	-21	swapper/2	10:08:42	2
9647	99	703	693,5	cyclictest	0	-21	swapper/1	09:35:48	1
9647	99	702	691,5	cyclictest	0	-21	swapper/1	10:30:38	1
9647	99	701	691,5	cyclictest	0	-21	swapper/1	10:19:41	1
9647	99	701	691,5	cyclictest	0	-21	swapper/1	10:19:41	1
9647	99	701	691,5	cyclictest	0	-21	swapper/1	07:24:13	1
9648	99	699	689,5	cyclictest	0	-21	swapper/2	11:58:23	2
9648	99	698	688,5	cyclictest	0	-21	swapper/2	12:09:21	2
9647	99	695	684,5	cyclictest	0	-21	swapper/1	11:25:28	1
9648	99	694	684,5	cyclictest	0	-21	swapper/2	09:02:55	2
9648	99	694	684,5	cyclictest	0	-21	swapper/2	09:02:54	2
9647	99	693	683,5	cyclictest	0	-21	swapper/1	08:30:00	1
9648	99	692	682,5	cyclictest	0	-21	swapper/2	11:47:25	2
9647	99	692	684,3	cyclictest	0	-21	swapper/1	10:08:42	1
9647	99	692	682,5	cyclictest	0	-21	swapper/1	10:52:34	1
9647	99	688	678,5	cyclictest	0	-21	swapper/1	08:40:58	1
9648	99	687	677,5	cyclictest	0	-21	swapper/2	07:57:06	2
9647	99	687	677,5	cyclictest	0	-21	swapper/1	08:08:04	1
9647	99	687	676,5	cyclictest	0	-21	swapper/1	07:13:15	1
9647	99	685	675,5	cyclictest	0	-21	swapper/1	09:57:44	1
9647	99	685	675,5	cyclictest	0	-21	swapper/1	09:57:44	1
9647	99	683	675,3	cyclictest	0	-21	swapper/1	11:58:23	1
9647	99	683	673,5	cyclictest	0	-21	swapper/1	09:46:46	1
9647	99	682	674,3	cyclictest	0	-21	swapper/1	12:09:20	1
9647	99	682	672,5	cyclictest	0	-21	swapper/1	08:51:57	1
9647	99	682	672,5	cyclictest	0	-21	swapper/1	08:51:56	1
9647	99	681	671,5	cyclictest	0	-21	swapper/1	11:14:31	1
9647	99	681	671,5	cyclictest	0	-21	swapper/1	11:03:33	1
9647	99	681	671,5	cyclictest	0	-21	swapper/1	09:24:50	1
9647	99	681	671,5	cyclictest	0	-21	swapper/1	09:24:50	1
9647	99	680	670,5	cyclictest	0	-21	swapper/1	09:13:53	1
9647	99	680	670,5	cyclictest	0	-21	swapper/1	09:13:52	1
9647	99	680	670,5	cyclictest	0	-21	swapper/1	07:35:11	1
9647	99	678	670,3	cyclictest	0	-21	swapper/1	09:02:54	1
9647	99	678	670,3	cyclictest	0	-21	swapper/1	09:02:54	1
9647	99	678	668,5	cyclictest	0	-21	swapper/1	11:36:26	1
9647	99	677	667,5	cyclictest	0	-21	swapper/1	12:31:17	1
9647	99	677	667,5	cyclictest	0	-21	swapper/1	12:31:17	1
9647	99	675	667,3	cyclictest	0	-21	swapper/1	11:47:24	1
9647	99	675	665,5	cyclictest	0	-21	swapper/1	10:41:36	1
9647	99	671	663,3	cyclictest	0	-21	swapper/1	07:57:06	1
9646	99	669	642,15	cyclictest	19741	-21	kworker/0:1+events_freezable_power_	12:20:18	0
9646	99	657	636,15	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	10:19:40	0
9646	99	657	636,15	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	10:19:40	0
9646	99	656	638,13	cyclictest	16220	-21	kworker/0:3+events_freezable_power_	09:35:48	0
9646	99	654	637,12	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	10:30:39	0
9646	99	652	636,11	cyclictest	1066	-21	kworker/0:5+events_freezable_power_	07:24:13	0
9646	99	651	629,15	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	11:25:29	0
9646	99	646	629,12	cyclictest	3889	-21	kworker/0:2+events_freezable_power_	08:30:00	0
9646	99	643	627,11	cyclictest	29952	-21	kworker/0:5+events_freezable_power_	10:52:35	0
9646	99	642	622,14	cyclictest	16427	-21	kworker/0:0+events_freezable_power_	08:08:04	0
9646	99	639	629,5	cyclictest	14824	-21	kworker/0:0+events_freezable_power_	10:08:43	0
9646	99	639	623,11	cyclictest	32484	-21	kworker/0:1+events_freezable_power_	08:40:58	0
9646	99	638	622,11	cyclictest	16427	-21	kworker/0:0+events_freezable_power_	07:13:15	0
9646	99	636	620,11	cyclictest	32484	-21	kworker/0:1+events_freezable_power_	09:57:44	0
9646	99	636	620,11	cyclictest	32484	-21	kworker/0:1+events_freezable_power_	09:57:44	0
9646	99	634	618,11	cyclictest	2526	-21	kworker/0:4+events_freezable_power_	08:51:56	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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