OSADL QA Farm on Real-time of Mainline Linux

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

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

Characteristics of the 100 highest latencies:

System rack7slot2.osadl.org (updated Sat Jun 27, 2026 12:44:09)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
2082701	99	115	94,14	cyclictest	2113544	-21	apt-get	09:10:09	1
2082701	99	96	89,5	cyclictest	2248756	-21	kworker/u4:1+events_unbound	11:45:57	1
2082700	99	95	84,8	cyclictest	2156179	-21	kworker/u4:0+events_unbound	10:00:35	0
2082700	99	93	85,6	cyclictest	2213385	-21	kworker/u4:7+events_unbound	11:05:43	0
2082700	99	93	71,13	cyclictest	2195315	-21	kworker/u4:7+events_unbound	10:50:42	0
2082700	99	89	80,7	cyclictest	2107035	-21	kworker/u4:12+events_unbound	08:45:01	0
2082700	99	86	62,6	cyclictest	2199827	-21	kworker/u4:11+events_unbound	10:55:44	0
2082700	99	84	76,5	cyclictest	2186988	-21	kworker/u4:4+events_unbound	10:35:00	0
2082701	99	83	72,7	cyclictest	2186988	-21	kworker/u4:4+events_unbound	10:35:40	1
2082700	99	79	69,6	cyclictest	2105731	-21	kworker/u4:4+events_unbound	09:00:00	0
2082701	99	78	68,6	cyclictest	2086594	-21	kworker/u4:12+events_unbound	07:40:08	1
2082701	99	77	67,6	cyclictest	2085295	-21	kworker/u4:1+events_unbound	08:10:12	1
2082700	99	77	69,6	cyclictest	2178060	-21	kworker/u4:9+events_unbound	10:25:39	0
2082701	99	76	68,6	cyclictest	2217887	-21	kworker/u4:1+events_unbound	11:10:46	1
2082701	99	76	39,34	cyclictest	2215729	-21	aten_r7power_po	11:05:17	1
2082700	99	75	67,6	cyclictest	2113505	-21	kworker/u4:15+events_unbound	09:17:00	0
2082700	99	75	67,6	cyclictest	2113505	-21	kworker/u4:15+events_unbound	09:17:00	0
2082700	99	75	64,9	cyclictest	53	-21	kswapd0	11:50:09	0
2082700	99	75	64,9	cyclictest	53	-21	kswapd0	11:50:09	0
2082700	99	74	68,3	cyclictest	2271008	-21	kworker/u4:12+events_unbound	12:11:02	0
2082700	99	74	66,6	cyclictest	2092973	-21	kworker/u4:11+events_unbound	07:50:00	0
2082700	99	74	58,9	cyclictest	2266594	-21	kworker/u4:6+events_unbound	12:35:02	0
2082700	99	73	66,4	cyclictest	2098279	-21	apt-get	08:10:13	0
2082700	99	73	63,7	cyclictest	53	-21	kswapd0	09:40:33	0
2082700	99	70	63,5	cyclictest	2078987	-21	kworker/u4:0+events_unbound	07:20:01	0
2082701	99	69	38,28	cyclictest	2294885	-21	aten_r7power_po	12:35:18	1
2082701	99	69	37,30	cyclictest	2111292	-21	aten_r7power_vo	09:00:16	1
2082700	99	69	62,5	cyclictest	2208847	-21	kworker/u4:6+events_unbound	11:00:44	0
2082701	99	68	58,7	cyclictest	2147232	-21	kworker/u4:6+events_unbound	09:55:34	1
2082700	99	68	60,6	cyclictest	2239751	-21	kworker/u4:4+events_unbound	12:06:00	0
2082701	99	67	60,5	cyclictest	2199826	-21	kworker/u4:10+events_unbound	11:35:54	1
2082701	99	67	38,27	cyclictest	2082699	-21	cyclictest	10:15:29	1
2082701	99	67	35,30	cyclictest	2140431	-21	cut	09:40:15	1
2082700	99	67	59,6	cyclictest	2222390	-21	kworker/u4:9+events_unbound	11:40:55	0
2082700	99	67	57,8	cyclictest	2105731	-21	kworker/u4:4+events_unbound	08:55:00	0
2082700	99	67	54,6	cyclictest	2151033	-21	kworker/u4:7+events_unbound	10:05:36	0
2082701	99	66	30,33	cyclictest	0	-21	swapper/1	11:00:21	1
2082701	99	66	29,34	cyclictest	2127821	-21	sh	09:25:29	1
2082701	99	66	29,34	cyclictest	0	-21	swapper/1	11:40:29	1
2082701	99	66	29,33	cyclictest	0	-21	swapper/1	12:30:40	1
2082701	99	66	27,36	cyclictest	0	-21	swapper/1	09:35:19	1
2082701	99	65	45,17	cyclictest	2202240	-21	sh	10:50:11	1
2082701	99	65	27,35	cyclictest	0	-21	swapper/1	12:00:37	1
2082701	99	64	33,28	cyclictest	2093518	-21	fschecks_time	07:50:19	1
2082701	99	64	32,28	cyclictest	0	-21	swapper/1	08:15:17	1
2082700	99	64	40,14	cyclictest	2142738	-21	kworker/u4:1-rpciod	09:45:27	0
2082700	99	64	37,21	cyclictest	53	-21	kswapd0	10:10:08	0
2082701	99	63	33,28	cyclictest	2286841	-21	ldconfig	12:25:31	1
2082701	99	63	29,31	cyclictest	0	-21	swapper/1	11:15:29	1
2082701	99	63	25,33	cyclictest	0	-21	swapper/1	12:00:01	1
2082701	99	62	43,12	cyclictest	2083958	-21	apt-get	07:15:14	1
2082701	99	62	34,25	cyclictest	2213385	-21	kworker/u4:7-xprtiod	11:25:01	1
2082701	99	62	33,26	cyclictest	0	-21	swapper/1	11:50:10	1
2082701	99	62	33,26	cyclictest	0	-21	swapper/1	11:50:10	1
2082701	99	62	32,27	cyclictest	0	-21	swapper/1	10:45:27	1
2082701	99	62	29,30	cyclictest	0	-21	swapper/1	12:05:25	1
2082701	99	62	28,31	cyclictest	2103633	-21	fschecks_count	08:30:24	1
2082701	99	62	28,31	cyclictest	0	-21	swapper/1	10:25:41	1
2082701	99	62	27,9	cyclictest	2150038	-21	systemd	09:50:33	1
2082701	99	62	27,4	cyclictest	0	-21	swapper/1	10:10:35	1
2082701	99	62	23,35	cyclictest	2111088	-21	latency_hist	09:00:01	1
2082701	99	61	27,4	cyclictest	0	-21	swapper/1	08:50:23	1
2082701	99	61	27,31	cyclictest	0	-21	swapper/1	12:10:38	1
2082701	99	61	26,6	cyclictest	0	-21	swapper/1	10:40:34	1
2082701	99	61	26,32	cyclictest	2277637	-21	fschecks_count	12:15:21	1
2082701	99	61	24,9	cyclictest	2238721	-21	proc_pri	11:30:39	1
2082700	99	61	53,6	cyclictest	2086594	-21	kworker/u4:12+events_unbound	07:40:01	0
2082701	99	60	6,15	cyclictest	2145462	-21	sh	09:45:27	1
2082701	99	60	28,28	cyclictest	0	-21	swapper/1	07:35:40	1
2082701	99	60	25,5	cyclictest	0	-21	swapper/1	09:20:19	1
2082701	99	60	25,4	cyclictest	0	-21	swapper/1	09:15:25	1
2082701	99	60	25,4	cyclictest	0	-21	swapper/1	09:15:25	1
2082701	99	60	24,4	cyclictest	0	-21	swapper/1	10:55:34	1
2082701	99	59	51,6	cyclictest	2105730	-21	kworker/u4:2+events_unbound	08:45:22	1
2082701	99	59	51,5	cyclictest	1851048	-21	kworker/u4:9+events_unbound	07:10:04	1
2082701	99	59	27,29	cyclictest	0	-21	swapper/1	09:30:25	1
2082701	99	59	27,29	cyclictest	0	-21	swapper/1	08:05:20	1
2082701	99	59	26,5	cyclictest	0	-21	swapper/1	10:20:15	1
2082701	99	59	26,5	cyclictest	0	-21	swapper/1	10:00:40	1
2082700	99	59	48,8	cyclictest	53	-21	kswapd0	09:40:00	0
2082700	99	59	39,5	cyclictest	2193045	-21	sh	10:40:00	0
2082700	99	58	44,11	cyclictest	2082699	-21	cyclictest	11:29:43	0
2082701	99	57	26,5	cyclictest	2233785	-21	gltestperf	11:25:21	1
2082701	99	57	26,5	cyclictest	0	-21	swapper/1	07:55:20	1
2082701	99	57	23,5	cyclictest	0	-21	swapper/1	09:05:21	1
2082700	99	57	43,11	cyclictest	0	-21	swapper/0	09:10:12	0
2082700	99	57	10,38	cyclictest	2290431	-21	ssh	12:30:16	0
2082701	99	56	23,7	cyclictest	2283631	-21	sh	12:21:38	1
2082701	99	56	23,6	cyclictest	0	-21	swapper/1	10:05:17	1
2082701	99	56	22,5	cyclictest	2087864	-21	kworker/u4:16+rpciod	08:20:20	1
2082701	99	56	20,5	cyclictest	2089265	-21	latency_hist	07:35:02	1
2082700	99	56	48,6	cyclictest	2208846	-21	kworker/u4:5+events_unbound	11:11:02	0
2082700	99	56	38,10	cyclictest	2113502	-21	kworker/u4:8-rpciod	09:57:13	0
2082700	99	55	48,5	cyclictest	2160050	-21	kworker/u4:10+events_unbound	10:23:00	0
2082700	99	55	45,6	cyclictest	256	50	irq/23-42890000.ethernet	10:40:30	0
2082700	99	55	43,9	cyclictest	37	-21	kcompactd0	12:23:50	0
2082701	99	54	23,6	cyclictest	0	-21	swapper/1	08:30:01	1
2082700	99	54	43,8	cyclictest	378	-21	dbus-daemon	11:15:46	0
2082701	99	53	19,9	cyclictest	0	-21	swapper/1	08:40:30	1
2082701	99	52	44,6	cyclictest	2087863	-21	kworker/u4:15+events_unbound	08:00:12	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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