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 50 highest latencies:

System rack7slot2.osadl.org (updated Mon Nov 17, 2025 00:44:07)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
302394	99	135	119,7	cyclictest	358718	-21	kworker/u4:1+events_unbound	22:02:25	1
302394	99	134	126,6	cyclictest	366422	-21	kworker/u4:15+events_unbound	22:07:25	1
302391	99	133	126,5	cyclictest	385238	-21	kworker/u4:6+events_unbound	22:17:27	0
302391	99	132	125,5	cyclictest	311389	-21	kworker/u4:3+events_unbound	20:22:03	0
302391	99	129	121,6	cyclictest	321693	-21	kworker/u4:9+events_unbound	21:02:14	0
302394	99	127	114,5	cyclictest	423262	-21	kworker/u4:4+events_unbound	23:07:36	1
302394	99	124	117,5	cyclictest	427048	-21	kworker/u4:1+events_unbound	23:22:39	1
302391	99	124	117,5	cyclictest	419473	-21	kworker/u4:2+events_unbound	23:02:36	0
302394	99	122	115,5	cyclictest	427051	-21	kworker/u4:7+events_unbound	23:51:59	1
302394	99	117	100,6	cyclictest	468684	-21	kworker/u4:10+events_unbound	00:23:44	1
302394	99	111	95,7	cyclictest	469218	-21	kworker/u4:13+events_unbound	00:08:33	1
302391	99	106	98,6	cyclictest	304898	-21	kworker/u4:10+events_unbound	19:26:52	0
302391	99	106	96,7	cyclictest	423268	-21	kworker/u4:10+events_unbound	23:32:41	0
302394	99	105	93,4	cyclictest	473069	-21	kworker/u4:1+events_unbound	00:18:01	1
302394	99	104	95,6	cyclictest	322976	-21	kworker/u4:11+events_unbound	20:27:05	1
302394	99	102	95,5	cyclictest	326935	-21	kworker/u4:7+events_unbound	21:27:20	1
302394	99	101	94,5	cyclictest	315222	-21	kworker/u4:16+events_unbound	19:56:57	1
302391	99	101	93,6	cyclictest	304897	-21	kworker/u4:9+events_unbound	19:31:53	0
302394	99	100	93,5	cyclictest	301105	-21	kworker/u4:4+events_unbound	19:51:56	1
302394	99	99	92,5	cyclictest	354912	-21	kworker/u4:10+events_unbound	21:42:22	1
302394	99	98	90,6	cyclictest	354909	-21	kworker/u4:3+events_unbound	21:37:19	1
302394	99	98	90,6	cyclictest	326934	-21	kworker/u4:3+events_unbound	20:52:12	1
302391	99	98	88,8	cyclictest	419473	-21	kworker/u4:2+events_unbound	23:17:37	0
302394	99	97	83,6	cyclictest	404468	-21	kworker/u4:6+events_unbound	22:57:35	1
302394	99	95	87,6	cyclictest	321711	-21	kworker/u4:10+events_unbound	20:42:09	1
302394	99	94	86,6	cyclictest	389133	-21	kworker/u4:0+events_unbound	22:27:30	1
302394	99	93	85,6	cyclictest	324260	-21	kworker/u4:15+events_unbound	21:07:14	1
302394	99	92	83,7	cyclictest	299754	-21	kworker/u4:2+events_unbound	19:41:56	1
302391	99	88	80,6	cyclictest	301105	-21	kworker/u4:4+events_unbound	19:21:50	0
302394	99	87	67,7	cyclictest	419473	-21	kworker/u4:2+events_unbound	23:40:04	1
302394	99	86	81,3	cyclictest	461398	-21	kworker/u4:2+events_unbound	23:57:49	1
302394	99	85	78,5	cyclictest	487780	-21	kworker/u4:15+events_unbound	00:33:07	1
302391	99	85	77,6	cyclictest	389133	-21	kworker/u4:0+events_unbound	22:27:28	0
302391	99	82	75,5	cyclictest	392941	-21	kworker/u4:7+events_unbound	22:42:32	0
302391	99	81	74,5	cyclictest	317812	-21	kworker/u4:5+events_unbound	20:12:02	0
302394	99	80	72,6	cyclictest	313937	-21	kworker/u4:14+events_unbound	20:57:13	1
302394	99	78	69,6	cyclictest	321693	-21	kworker/u4:9+events_unbound	20:32:05	1
302394	99	73	66,5	cyclictest	461398	-21	kworker/u4:2+events_unbound	00:13:34	1
302394	99	72	55,5	cyclictest	316528	-21	kworker/u4:0+events_unbound	21:10:02	1
302391	99	72	58,11	cyclictest	319094	-21	kworker/u4:8+xprtiod	20:35:10	0
302394	99	71	64,5	cyclictest	75343	-21	kworker/u4:3+events_unbound	19:11:47	1
302391	99	70	61,6	cyclictest	419473	-21	kworker/u4:2+events_unbound	23:37:42	0
302394	99	69	61,6	cyclictest	321692	-21	kworker/u4:6+events_unbound	20:47:10	1
302394	99	68	61,5	cyclictest	317812	-21	kworker/u4:5+events_unbound	20:12:00	1
302394	99	67	60,5	cyclictest	476915	-21	kworker/u4:7+events_unbound	00:25:02	1
302394	99	66	58,6	cyclictest	321693	-21	kworker/u4:9+events_unbound	21:22:18	1
302394	99	65	58,5	cyclictest	351135	-21	kworker/u4:6+events_unbound	21:47:23	1
302394	99	65	58,5	cyclictest	303630	-21	kworker/u4:6+events_unbound	19:16:48	1
302391	99	65	58,5	cyclictest	316530	-21	kworker/u4:4+events_unbound	20:55:02	0
302391	99	65	24,26	cyclictest	257	50	irq/23-42890000.ethernet	22:30:33	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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