OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #7, slot #2

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

Characteristics of all highest latencies:

System rack7slot2.osadl.org (updated Mon Mar 09, 2026 00:44:10)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
1009466	99	113	105,6	cyclictest	1113117	-21	kworker/u4:9+events_unbound	23:27:03	1
1009466	99	112	103,6	cyclictest	1147491	-21	kworker/u4:2+events_unbound	23:22:03	1
1009466	99	105	98,5	cyclictest	1040348	-21	kworker/u4:3+events_unbound	21:16:35	1
1009466	99	101	94,5	cyclictest	1117514	-21	kworker/u4:17+events_unbound	23:12:00	1
1009465	99	97	83,7	cyclictest	1010697	-21	kworker/u4:9+events_unbound	20:51:30	0
1009465	99	87	79,6	cyclictest	1010690	-21	kworker/u4:1+events_unbound	19:56:22	0
1009465	99	86	77,7	cyclictest	1020920	-21	kworker/u4:6+events_unbound	20:21:27	0
1009465	99	83	77,4	cyclictest	54	-21	kswapd0	00:05:10	0
1009465	99	83	70,5	cyclictest	1020919	-21	kworker/u4:3+events_unbound	20:31:28	0
1009466	99	82	64,6	cyclictest	1036510	-21	kworker/u4:13+events_unbound	20:54:59	1
1009465	99	79	74,3	cyclictest	19	1	rcuc/0	20:01:23	0
1009466	99	76	67,7	cyclictest	1032582	-21	kworker/u4:0+events_unbound	20:45:00	1
1009465	99	76	69,5	cyclictest	771295	-21	kworker/u4:2+events_unbound	19:41:19	0
1009466	99	75	68,5	cyclictest	1055981	-21	kworker/u4:2+events_unbound	21:41:44	1
1009465	99	75	65,6	cyclictest	255	50	irq/23-42890000.ethernet	22:30:14	0
1009466	99	74	67,5	cyclictest	1095506	-21	kworker/u4:6+events_unbound	22:21:49	1
1009465	99	73	66,5	cyclictest	1024927	-21	kworker/u4:8+events_unbound	21:06:32	0
1009466	99	70	60,7	cyclictest	1069416	-21	kworker/u4:5+events_unbound	23:01:59	1
1009466	99	68	60,6	cyclictest	1040349	-21	kworker/u4:4+events_unbound	21:36:42	1
1009465	99	68	56,7	cyclictest	0	-21	swapper/0	22:55:12	0
1009465	99	66	5,58	cyclictest	0	-21	swapper/0	21:55:28	0
1009465	99	65	53,10	cyclictest	54	-21	kswapd0	00:20:10	0
1009465	99	65	46,14	cyclictest	15	1	ktimers/0	00:35:28	0
1009466	99	64	57,5	cyclictest	995687	-21	kworker/u4:3+events_unbound	19:40:00	1
1009465	99	64	47,14	cyclictest	1009463	-21	cyclictest	00:28:37	0
1009466	99	63	56,5	cyclictest	1087291	-21	kworker/u4:1+events_unbound	22:36:53	1
1009465	99	63	54,6	cyclictest	255	50	irq/23-42890000.ethernet	22:05:12	0
1009465	99	63	54,6	cyclictest	255	50	irq/23-42890000.ethernet	22:05:12	0
1009466	99	62	49,9	cyclictest	1009463	-21	cyclictest	00:26:58	1
1009466	99	62	47,5	cyclictest	1020920	-21	kworker/u4:6+events_unbound	20:50:01	1
1009465	99	62	49,9	cyclictest	1009463	-21	cyclictest	23:40:04	0
1009466	99	60	53,5	cyclictest	1177525	-21	kworker/u4:9+events_unbound	23:55:01	1
1009465	99	60	51,6	cyclictest	1082799	-21	kworker/u4:17+events_unbound	22:03:43	0
1009466	99	59	51,6	cyclictest	1055	-21	sshd	23:06:59	1
1009466	99	59	50,6	cyclictest	0	-21	swapper/1	00:15:13	1
1009465	99	59	41,13	cyclictest	54	-21	kswapd0	23:35:08	0
1009466	99	58	49,7	cyclictest	1019638	-21	systemd	19:46:19	1
1009465	99	58	53,3	cyclictest	1040349	-21	kworker/u4:4+events_unbound	21:31:37	0
1009465	99	58	53,3	cyclictest	1040349	-21	kworker/u4:4+events_unbound	21:31:36	0
1009466	99	57	49,5	cyclictest	1111810	-21	/usr/sbin/munin	22:30:40	1
1009465	99	57	33,9	cyclictest	1112472	-21	kworker/u4:8+events_unbound	23:06:59	0
1009466	99	56	47,5	cyclictest	0	-21	swapper/1	00:00:38	1
1009466	99	56	38,5	cyclictest	1010697	-21	kworker/u4:9+events_unbound	21:01:31	1
1009465	99	56	45,5	cyclictest	1064932	-21	kworker/u4:12+events_unbound	21:37:59	0
1009465	99	56	35,19	cyclictest	1038059	-21	aten_r7power_en	21:00:15	0
1009466	99	55	46,7	cyclictest	771295	-21	kworker/u4:2+events_unbound	19:11:17	1
1009466	99	55	46,6	cyclictest	1091091	-21	kworker/u4:3+events_unbound	22:11:48	1
1009466	99	55	3,9	cyclictest	17	1	rcu_preempt	21:20:29	1
1009465	99	55	48,5	cyclictest	1087290	-21	kworker/u4:0+events_unbound	22:12:01	0
1009465	99	55	42,5	cyclictest	1151875	-21	kworker/u4:6+events_unbound	23:22:59	0
1009465	99	55	36,17	cyclictest	1185074	-21	find	23:55:39	0
1009465	99	55	36,17	cyclictest	1185074	-21	find	23:55:39	0
1009466	99	54	42,9	cyclictest	1081668	-21	vmstat	21:55:43	1
1009465	99	54	47,5	cyclictest	1095506	-21	kworker/u4:6+events_unbound	22:16:59	0
1009465	99	54	45,7	cyclictest	1214344	-21	/usr/sbin/munin	00:30:19	0
1009466	99	53	46,5	cyclictest	1215241	-21	/usr/sbin/munin	00:30:38	1
1009466	99	53	44,7	cyclictest	388	-21	dbus-daemon	22:06:48	1
1009466	99	53	44,7	cyclictest	388	-21	dbus-daemon	22:06:47	1
1009465	99	53	46,5	cyclictest	1121932	-21	kworker/u4:0+events_unbound	22:45:43	0
1009465	99	53	46,5	cyclictest	1009463	-21	cyclictest	23:50:15	0
1009465	99	53	45,6	cyclictest	1117514	-21	kworker/u4:17+events_unbound	23:11:00	0
1009465	99	53	44,6	cyclictest	1189475	-21	/usr/sbin/munin	00:00:40	0
1009465	99	53	37,9	cyclictest	255	50	irq/23-42890000.ethernet	21:25:42	0
1009466	99	52	45,5	cyclictest	1162708	-21	/usr/sbin/munin	23:30:19	1
1009466	99	52	44,6	cyclictest	995687	-21	kworker/u4:3+events_unbound	19:40:03	1
1009465	99	52	47,4	cyclictest	1013272	-21	kworker/u4:6+events_unbound	19:35:02	0
1009465	99	52	45,5	cyclictest	1071780	-21	df_abs	21:45:16	0
1009465	99	52	4,29	cyclictest	1103067	-21	ssh	22:20:37	0
1009466	99	51	44,5	cyclictest	1117514	-21	kworker/u4:17+events_unbound	23:17:00	1
1009466	99	51	32,7	cyclictest	1190731	-21	kworker/u4:10+events_unbound	00:20:25	1
1009466	99	51	28,6	cyclictest	1173125	-21	kworker/u4:6+events_unbound	00:08:25	1
1009465	99	51	47,3	cyclictest	995687	-21	kworker/u4:3+events_unbound	19:11:04	0
1009465	99	51	43,6	cyclictest	771295	-21	kworker/u4:2+events_unbound	19:47:03	0
1009465	99	51	43,6	cyclictest	1202188	-21	processes	00:15:38	0
1009465	99	51	42,7	cyclictest	388	-21	dbus-daemon	00:12:08	0
1009465	99	51	39,5	cyclictest	1032582	-21	kworker/u4:0+events_unbound	20:45:02	0
1009465	99	51	31,5	cyclictest	1040350	-21	kworker/u4:6-rpciod	21:10:17	0
1009465	99	50	7,32	cyclictest	1120375	-21	ssh	22:40:37	0
1009465	99	50	43,5	cyclictest	1020920	-21	kworker/u4:6+events_unbound	20:09:44	0
1009465	99	50	42,6	cyclictest	1036504	-21	kworker/u4:2+events_unbound	20:56:00	0
1009466	99	49	43,5	cyclictest	1009463	-21	cyclictest	21:25:42	1
1009466	99	49	37,9	cyclictest	1199459	-21	ssh	00:12:38	1
1009465	99	49	4,33	cyclictest	1050510	-21	ssh	21:20:36	0
1009466	99	48	42,4	cyclictest	1020920	-21	kworker/u4:6+events_unbound	20:05:01	1
1009466	99	48	41,5	cyclictest	1119677	-21	df_abs	22:40:17	1
1009465	99	48	41,5	cyclictest	1159144	-21	mailstats	23:25:38	0
1009465	99	48	40,6	cyclictest	1029043	-21	aten_r7power_en	20:25:17	0
1009465	99	48	38,6	cyclictest	1126285	-21	kworker/u4:7-rpciod	22:50:24	0
1009465	99	48	32,14	cyclictest	1095506	-21	kworker/u4:6+rpciod	22:25:37	0
1009465	99	48	22,19	cyclictest	1175781	-21	expr	23:45:21	0
1009465	99	48	18,10	cyclictest	17	1	rcu_preempt	21:52:56	0
1009466	99	47	40,5	cyclictest	1128924	-21	ldconfig	22:50:41	1
1009465	99	47	40,5	cyclictest	1150703	-21	/usr/sbin/munin	23:15:39	0
1009465	99	47	40,5	cyclictest	1040349	-21	kworker/u4:4+events_unbound	21:40:44	0
1009465	99	47	40,5	cyclictest	1006959	-21	kworker/u4:5+events_unbound	20:35:01	0
1009465	99	47	38,7	cyclictest	1136737	-21	aten_r7power_cu	23:00:15	0
1009466	99	46	39,5	cyclictest	1076608	-21	diskmemload	21:50:25	1
1009466	99	46	38,5	cyclictest	1175063	-21	sh	23:45:00	1
1009466	99	46	34,9	cyclictest	1124362	-21	/usr/sbin/munin	22:45:23	1
1009465	99	46	39,5	cyclictest	1045436	-21	fschecks_count	21:15:20	0
1009465	99	46	38,6	cyclictest	1017083	-21	kworker/u4:14+events_unbound	20:17:42	0
1009465	99	46	37,7	cyclictest	1116314	-21	unixbench_multi	22:35:40	0
1009466	99	45	39,4	cyclictest	1175385	-21	aten2__	23:45:15	1
1009466	99	45	39,4	cyclictest	1027392	-21	unixbench_multi	20:15:41	1
1009466	99	45	38,5	cyclictest	1039583	-21	fschecks_time	21:05:18	1
1009466	99	45	37,5	cyclictest	1219279	-21	find	00:35:38	1
1009466	99	45	32,4	cyclictest	1017084	-21	kworker/u4:15+events_unbound	20:25:00	1
1009465	99	45	38,5	cyclictest	1009463	-21	cyclictest	19:20:41	0
1009465	99	45	37,6	cyclictest	1026198	-21	kworker/u4:13+events_unbound	20:43:00	0
1009465	99	45	37,6	cyclictest	1017084	-21	kworker/u4:15+events_unbound	19:52:00	0
1009466	99	44	38,4	cyclictest	1177524	-21	kworker/u4:8+events_unbound	23:56:39	1
1009466	99	44	38,4	cyclictest	1177524	-21	kworker/u4:8+events_unbound	23:56:39	1
1009466	99	44	37,5	cyclictest	1098261	-21	diskmemload	22:15:20	1
1009466	99	44	37,5	cyclictest	1030578	-21	fschecks_time	20:30:20	1
1009466	99	44	28,7	cyclictest	1147492	-21	kworker/u4:3+events_unbound	23:35:42	1
1009465	99	44	36,6	cyclictest	1011024	-21	aten_r7power_vo	19:15:17	0
1009466	99	43	36,5	cyclictest	1136367	-21	munin-run	23:00:00	1
1009466	99	43	36,5	cyclictest	1069418	-21	kworker/u4:8+events_unbound	21:45:01	1
1009466	99	43	35,6	cyclictest	1024744	-21	timerwakeupswit	20:05:37	1
1009466	99	43	35,6	cyclictest	0	-21	swapper/1	22:00:36	1
1009465	99	43	36,5	cyclictest	1015078	-21	fschecks_time	19:30:18	0
1009465	99	43	34,7	cyclictest	1166437	-21	idleruntime-cro	23:35:01	0
1009465	99	43	34,7	cyclictest	1013808	-21	fschecks_time	19:25:19	0
1009465	99	43	33,8	cyclictest	1025329	-21	grep	20:10:17	0
1009466	99	42	35,5	cyclictest	1041190	-21	gltestperf	21:10:21	1
1009466	99	42	35,5	cyclictest	1011128	-21	fschecks_count	19:15:19	1
1009466	99	42	31,9	cyclictest	0	-21	swapper/1	21:30:33	1
1009466	99	42	31,9	cyclictest	0	-21	swapper/1	21:30:32	1
1009466	99	42	31,9	cyclictest	0	-21	swapper/1	20:25:37	1
1009466	99	41	35,4	cyclictest	1087290	-21	kworker/u4:0-rpciod	22:30:00	1
1009466	99	41	34,4	cyclictest	0	-21	swapper/1	20:55:19	1
1009466	99	41	33,6	cyclictest	1015914	-21	latency_hist	19:35:01	1
1009466	99	40	33,5	cyclictest	1020543	-21	proc_pri	19:50:34	1
1009466	99	40	33,4	cyclictest	0	-21	swapper/1	19:55:26	1
1009466	99	39	33,4	cyclictest	1031983	-21	kernelversion	20:35:21	1
1009465	99	39	19,16	cyclictest	1009463	-21	cyclictest	19:10:01	0
1009466	99	38	33,3	cyclictest	1026189	-21	systemd	20:11:23	1
1009466	99	38	30,6	cyclictest	1014644	-21	latency_hist	19:30:02	1
1009466	99	37	31,4	cyclictest	0	-21	swapper/1	19:21:16	1
1009466	99	37	28,6	cyclictest	0	-21	swapper/1	19:10:01	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2019-05-28 - 00:17