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 Mon May 04, 2026 00:46:23)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
1049	99	799	755,37	cyclictest	9187	-21	kworker/0:2+events_freezable_power_	00:03:56	0
1049	99	799	755,37	cyclictest	9187	-21	kworker/0:2+events_freezable_power_	00:03:55	0
1049	99	786	741,38	cyclictest	21075	-21	kworker/0:5+events_freezable_power_	20:35:33	0
1049	99	778	741,32	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	21:41:22	0
1050	99	774	762,7	cyclictest	0	-21	swapper/1	00:25:52	1
1050	99	774	762,7	cyclictest	0	-21	swapper/1	00:25:52	1
1050	99	773	761,7	cyclictest	0	-21	swapper/1	20:24:35	1
1050	99	772	760,7	cyclictest	0	-21	swapper/1	23:20:04	1
1050	99	771	759,7	cyclictest	0	-21	swapper/1	23:31:01	1
1050	99	769	757,7	cyclictest	0	-21	swapper/1	22:36:11	1
1050	99	769	757,7	cyclictest	0	-21	swapper/1	19:51:41	1
1050	99	768	756,7	cyclictest	0	-21	swapper/1	21:08:27	1
1050	99	768	756,7	cyclictest	0	-21	swapper/1	21:08:27	1
1050	99	767	755,7	cyclictest	0	-21	swapper/1	22:14:15	1
1050	99	766	754,7	cyclictest	0	-21	swapper/1	22:58:08	1
1050	99	766	754,7	cyclictest	0	-21	swapper/1	22:58:08	1
1050	99	766	754,7	cyclictest	0	-21	swapper/1	21:52:20	1
1050	99	764	752,7	cyclictest	0	-21	swapper/1	22:47:10	1
1050	99	763	751,7	cyclictest	0	-21	swapper/1	22:03:18	1
1051	99	762	752,5	cyclictest	0	-21	swapper/2	20:24:36	2
1051	99	762	752,5	cyclictest	0	-21	swapper/2	00:25:52	2
1051	99	762	752,5	cyclictest	0	-21	swapper/2	00:25:52	2
1051	99	761	751,5	cyclictest	0	-21	swapper/2	23:20:04	2
1050	99	761	749,7	cyclictest	0	-21	swapper/1	20:46:31	1
1050	99	760	748,7	cyclictest	0	-21	swapper/1	20:13:37	1
1050	99	760	748,7	cyclictest	0	-21	swapper/1	00:36:50	1
1051	99	759	749,5	cyclictest	0	-21	swapper/2	23:31:02	2
1050	99	759	747,7	cyclictest	0	-21	swapper/1	23:52:57	1
1051	99	758	748,5	cyclictest	0	-21	swapper/2	22:36:12	2
1051	99	758	748,5	cyclictest	0	-21	swapper/2	19:51:42	2
1050	99	758	746,7	cyclictest	0	-21	swapper/1	20:02:40	1
1051	99	757	747,5	cyclictest	0	-21	swapper/2	21:08:28	2
1051	99	757	747,5	cyclictest	0	-21	swapper/2	21:08:28	2
1050	99	757	745,7	cyclictest	0	-21	swapper/1	23:09:06	1
1050	99	757	745,7	cyclictest	0	-21	swapper/1	23:09:06	1
1051	99	756	746,5	cyclictest	0	-21	swapper/2	22:14:16	2
1051	99	755	745,5	cyclictest	0	-21	swapper/2	22:58:08	2
1051	99	755	745,5	cyclictest	0	-21	swapper/2	22:58:08	2
1050	99	755	743,7	cyclictest	0	-21	swapper/1	00:14:54	1
1051	99	754	744,5	cyclictest	0	-21	swapper/2	21:52:20	2
1050	99	754	742,7	cyclictest	0	-21	swapper/1	19:18:47	1
1051	99	753	743,5	cyclictest	0	-21	swapper/2	22:47:09	2
1050	99	753	741,7	cyclictest	0	-21	swapper/1	20:57:30	1
1051	99	751	741,5	cyclictest	0	-21	swapper/2	22:03:17	2
1050	99	751	739,7	cyclictest	0	-21	swapper/1	19:29:45	1
1051	99	750	740,5	cyclictest	0	-21	swapper/2	20:46:32	2
1051	99	749	739,5	cyclictest	0	-21	swapper/2	20:13:37	2
1051	99	749	739,5	cyclictest	0	-21	swapper/2	00:36:50	2
1051	99	748	738,5	cyclictest	0	-21	swapper/2	23:52:58	2
1051	99	748	737,5	cyclictest	0	-21	swapper/2	20:02:39	2
1051	99	746	736,5	cyclictest	0	-21	swapper/2	23:09:06	2
1051	99	746	736,5	cyclictest	0	-21	swapper/2	23:09:05	2
1050	99	746	734,7	cyclictest	0	-21	swapper/1	21:19:25	1
1051	99	744	734,5	cyclictest	0	-21	swapper/2	00:14:54	2
1051	99	743	733,5	cyclictest	0	-21	swapper/2	19:18:48	2
1051	99	742	732,5	cyclictest	0	-21	swapper/2	20:57:29	2
1050	99	741	729,7	cyclictest	0	-21	swapper/1	23:41:59	1
1051	99	740	730,5	cyclictest	0	-21	swapper/2	19:29:45	2
1051	99	735	725,5	cyclictest	0	-21	swapper/2	21:19:25	2
1052	99	734	721,8	cyclictest	0	-21	swapper/3	00:03:56	3
1052	99	734	721,8	cyclictest	0	-21	swapper/3	00:03:56	3
1051	99	730	720,5	cyclictest	0	-21	swapper/2	23:41:59	2
1049	99	727	705,17	cyclictest	690	-21	kworker/0:1+events_freezable_power_	00:25:52	0
1049	99	727	705,17	cyclictest	690	-21	kworker/0:1+events_freezable_power_	00:25:52	0
1049	99	725	704,17	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	23:20:04	0
1049	99	725	704,16	cyclictest	1255	-21	kworker/0:1+events_freezable_power_	20:24:36	0
1049	99	723	702,16	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	23:31:02	0
1049	99	722	701,16	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	22:36:12	0
1049	99	721	700,17	cyclictest	10556	-21	kworker/0:3+events_freezable_power_	19:51:42	0
1052	99	720	707,8	cyclictest	0	-21	swapper/3	20:35:34	3
1049	99	720	699,16	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	21:08:28	0
1049	99	720	699,16	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	21:08:27	0
1049	99	719	699,15	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	22:14:16	0
1049	99	719	698,16	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	22:58:08	0
1049	99	719	698,16	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	22:58:07	0
1049	99	719	697,17	cyclictest	1255	-21	kworker/0:1+events_freezable_power_	21:52:20	0
1052	99	718	707,7	cyclictest	0	-21	swapper/3	21:41:21	3
1049	99	717	694,18	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	22:03:17	0
1049	99	716	695,16	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	22:47:10	0
1049	99	716	693,18	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	20:46:32	0
1049	99	713	692,16	cyclictest	690	-21	kworker/0:1+events_freezable_power_	00:36:50	0
1049	99	713	691,17	cyclictest	8008	-21	kworker/0:2+events_freezable_power_	20:13:37	0
1049	99	712	691,16	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	23:52:58	0
1049	99	711	690,16	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	20:02:39	0
1049	99	710	689,16	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	23:09:06	0
1049	99	710	689,16	cyclictest	4188	-21	kworker/0:3+events_freezable_power_	23:09:05	0
1049	99	708	687,16	cyclictest	9187	-21	kworker/0:2+events_freezable_power_	00:14:54	0
1049	99	707	685,17	cyclictest	3018	-21	kworker/0:4+events_freezable_power_	20:57:29	0
1049	99	707	685,17	cyclictest	29281	-21	kworker/0:5+events_freezable_power_	19:18:48	0
1050	99	705	695,5	cyclictest	0	-21	swapper/1	19:40:43	1
1049	99	703	683,16	cyclictest	4316	-21	kworker/0:0+events_freezable_power_	19:29:45	0
1050	99	700	690,5	cyclictest	0	-21	swapper/1	22:25:14	1
1049	99	699	678,16	cyclictest	8008	-21	kworker/0:2+events_freezable_power_	21:19:26	0
1051	99	695	686,4	cyclictest	0	-21	swapper/2	19:40:43	2
1049	99	695	673,17	cyclictest	24438	-21	kworker/0:0+events_freezable_power_	23:42:00	0
1051	99	689	681,3	cyclictest	0	-21	swapper/2	22:25:14	2
1052	99	680	671,5	cyclictest	0	-21	swapper/3	00:25:52	3
1052	99	680	671,5	cyclictest	0	-21	swapper/3	00:25:52	3
1050	99	680	670,5	cyclictest	0	-21	swapper/1	21:30:24	1
1052	99	679	670,5	cyclictest	0	-21	swapper/3	23:20:04	3
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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