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 Tue Jun 23, 2026 00:46:24)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
7212	99	784	725,42	cyclictest	26983	-21	kworker/0:5+events_freezable_power_	22:45:01	0
7215	99	750	738,7	cyclictest	0	-21	swapper/3	23:50:49	3
7213	99	746	736,5	cyclictest	0	-21	swapper/1	23:50:49	1
7215	99	730	720,5	cyclictest	0	-21	swapper/3	21:50:12	3
7213	99	727	718,4	cyclictest	0	-21	swapper/1	21:50:12	1
7215	99	726	714,7	cyclictest	0	-21	swapper/3	20:00:32	3
7215	99	726	714,7	cyclictest	0	-21	swapper/3	20:00:32	3
7213	99	722	712,5	cyclictest	0	-21	swapper/1	20:00:32	1
7213	99	722	712,5	cyclictest	0	-21	swapper/1	20:00:32	1
7215	99	711	699,7	cyclictest	0	-21	swapper/3	23:28:53	3
7213	99	707	697,5	cyclictest	0	-21	swapper/1	23:28:54	1
7215	99	703	691,7	cyclictest	0	-21	swapper/3	00:01:47	3
7212	99	700	683,12	cyclictest	8095	-21	kworker/0:0+events_freezable_power_	23:50:50	0
7215	99	699	688,7	cyclictest	0	-21	swapper/3	21:28:16	3
7213	99	699	689,5	cyclictest	0	-21	swapper/1	00:01:47	1
7215	99	695	683,8	cyclictest	0	-21	swapper/3	00:12:45	3
7215	99	695	683,8	cyclictest	0	-21	swapper/3	00:12:45	3
7215	99	695	683,7	cyclictest	0	-21	swapper/3	22:01:10	3
7215	99	695	683,7	cyclictest	0	-21	swapper/3	21:06:20	3
7213	99	695	685,5	cyclictest	0	-21	swapper/1	21:28:16	1
7215	99	694	682,7	cyclictest	0	-21	swapper/3	20:22:28	3
7215	99	693	683,5	cyclictest	0	-21	swapper/3	20:55:22	3
7215	99	693	683,5	cyclictest	0	-21	swapper/3	20:55:22	3
7215	99	693	681,7	cyclictest	0	-21	swapper/3	22:23:06	3
7215	99	693	681,7	cyclictest	0	-21	swapper/3	22:23:06	3
7213	99	691	681,5	cyclictest	0	-21	swapper/1	22:01:10	1
7213	99	691	681,5	cyclictest	0	-21	swapper/1	21:06:20	1
7213	99	691	681,5	cyclictest	0	-21	swapper/1	00:12:46	1
7213	99	691	681,5	cyclictest	0	-21	swapper/1	00:12:46	1
7212	99	691	665,21	cyclictest	30045	-21	kworker/0:3+events_freezable_power_	21:50:12	0
7215	99	690	678,7	cyclictest	0	-21	swapper/3	23:06:58	3
7215	99	690	678,7	cyclictest	0	-21	swapper/3	23:06:57	3
7215	99	690	678,7	cyclictest	0	-21	swapper/3	20:33:26	3
7213	99	690	681,4	cyclictest	0	-21	swapper/1	20:55:22	1
7213	99	690	681,4	cyclictest	0	-21	swapper/1	20:55:22	1
7213	99	690	680,5	cyclictest	0	-21	swapper/1	20:22:28	1
7215	99	689	677,7	cyclictest	0	-21	swapper/3	23:17:55	3
7215	99	689	677,7	cyclictest	0	-21	swapper/3	23:17:55	3
7215	99	689	677,7	cyclictest	0	-21	swapper/3	21:17:18	3
7215	99	689	677,7	cyclictest	0	-21	swapper/3	19:49:34	3
7213	99	689	679,5	cyclictest	0	-21	swapper/1	22:23:06	1
7213	99	689	679,5	cyclictest	0	-21	swapper/1	22:23:06	1
7215	99	686	674,7	cyclictest	0	-21	swapper/3	22:55:59	3
7213	99	686	676,5	cyclictest	0	-21	swapper/1	23:06:57	1
7213	99	686	676,5	cyclictest	0	-21	swapper/1	23:06:57	1
7213	99	685	675,5	cyclictest	0	-21	swapper/1	23:17:56	1
7213	99	685	675,5	cyclictest	0	-21	swapper/1	23:17:55	1
7213	99	685	675,5	cyclictest	0	-21	swapper/1	21:17:18	1
7213	99	685	675,5	cyclictest	0	-21	swapper/1	20:33:26	1
7213	99	685	675,5	cyclictest	0	-21	swapper/1	19:49:34	1
7215	99	684	672,7	cyclictest	0	-21	swapper/3	22:12:08	3
7215	99	684	672,7	cyclictest	0	-21	swapper/3	19:27:37	3
7215	99	682	671,7	cyclictest	0	-21	swapper/3	00:34:42	3
7215	99	682	670,7	cyclictest	0	-21	swapper/3	21:39:14	3
7215	99	682	670,7	cyclictest	0	-21	swapper/3	19:16:39	3
7215	99	682	670,7	cyclictest	0	-21	swapper/3	00:23:43	3
7213	99	682	672,5	cyclictest	0	-21	swapper/1	22:55:59	1
7215	99	681	669,7	cyclictest	0	-21	swapper/3	22:34:03	3
7215	99	680	668,7	cyclictest	0	-21	swapper/3	23:39:51	3
7215	99	680	668,7	cyclictest	0	-21	swapper/3	23:39:51	3
7213	99	680	670,5	cyclictest	0	-21	swapper/1	22:12:08	1
7213	99	680	670,5	cyclictest	0	-21	swapper/1	19:27:37	1
7212	99	680	659,15	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:00:32	0
7212	99	680	659,15	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:00:31	0
7215	99	679	667,7	cyclictest	0	-21	swapper/3	20:11:29	3
7213	99	679	669,5	cyclictest	0	-21	swapper/1	00:34:42	1
7213	99	678	668,5	cyclictest	0	-21	swapper/1	21:39:13	1
7213	99	678	668,5	cyclictest	0	-21	swapper/1	19:16:40	1
7213	99	677	667,5	cyclictest	0	-21	swapper/1	22:34:03	1
7213	99	677	667,5	cyclictest	0	-21	swapper/1	00:23:44	1
7213	99	676	666,5	cyclictest	0	-21	swapper/1	23:39:51	1
7213	99	676	666,5	cyclictest	0	-21	swapper/1	23:39:51	1
7213	99	676	665,5	cyclictest	0	-21	swapper/1	20:11:29	1
7215	99	675	663,7	cyclictest	0	-21	swapper/3	20:44:23	3
7215	99	671	659,7	cyclictest	0	-21	swapper/3	19:38:36	3
7213	99	671	661,5	cyclictest	0	-21	swapper/1	20:44:23	1
7213	99	667	657,5	cyclictest	0	-21	swapper/1	19:38:36	1
7212	99	665	644,15	cyclictest	2878	-21	kworker/0:5+events_freezable_power_	23:28:53	0
7212	99	652	636,11	cyclictest	28947	-21	kworker/0:2+events_freezable_power_	00:01:47	0
7212	99	648	632,11	cyclictest	25005	-21	kworker/0:4+events_freezable_power_	21:28:15	0
7212	99	648	627,15	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:55:22	0
7212	99	648	627,15	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:55:21	0
7212	99	645	628,12	cyclictest	30045	-21	kworker/0:3+events_freezable_power_	22:01:10	0
7212	99	644	628,11	cyclictest	27005	-21	kworker/0:1+events_freezable_power_	21:06:20	0
7212	99	644	628,11	cyclictest	25005	-21	kworker/0:4+events_freezable_power_	00:12:45	0
7212	99	644	628,11	cyclictest	25005	-21	kworker/0:4+events_freezable_power_	00:12:45	0
7212	99	643	627,11	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:22:28	0
7212	99	643	622,15	cyclictest	4964	-21	kworker/0:4+events_freezable_power_	19:49:34	0
7212	99	642	626,11	cyclictest	27009	-21	kworker/0:2+events_freezable_power_	22:23:06	0
7212	99	642	626,11	cyclictest	27009	-21	kworker/0:2+events_freezable_power_	22:23:06	0
7212	99	639	623,11	cyclictest	30045	-21	kworker/0:3+events_freezable_power_	23:06:57	0
7212	99	639	623,11	cyclictest	30045	-21	kworker/0:3+events_freezable_power_	23:06:57	0
7212	99	638	622,11	cyclictest	27005	-21	kworker/0:1+events_freezable_power_	21:17:17	0
7212	99	638	622,11	cyclictest	11817	-21	kworker/0:5+events_freezable_power_	20:33:25	0
7212	99	637	622,11	cyclictest	2878	-21	kworker/0:5+events_freezable_power_	23:17:56	0
7212	99	637	622,11	cyclictest	2878	-21	kworker/0:5+events_freezable_power_	23:17:55	0
7212	99	636	616,14	cyclictest	4234	-21	kworker/0:1+events_freezable_power_	00:34:41	0
7212	99	636	615,15	cyclictest	8095	-21	kworker/0:0+events_freezable_power_	21:39:14	0
7212	99	635	619,11	cyclictest	28947	-21	kworker/0:2+events_freezable_power_	22:55:59	0
7212	99	633	617,11	cyclictest	11246	-21	kworker/0:3+events_freezable_power_	19:27:38	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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