OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #3, slot #6

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the highest latencies:

System rack3slot6.osadl.org (updated Tue Jul 28, 2026 00:45:01)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
17121	99	105	7,88	cyclictest	25276	-21	apt-get	19:30:14	0
16780	2	96	19,28	sleep0	0	-21	swapper/0	19:08:43	0
17128	99	89	11,17	cyclictest	0	-21	swapper/1	21:50:13	1
17121	99	89	9,19	cyclictest	0	-21	swapper/0	23:15:13	0
17128	99	88	9,18	cyclictest	0	-21	swapper/1	21:02:42	1
17121	99	88	9,71	cyclictest	0	-21	swapper/0	21:10:14	0
17121	99	88	9,17	cyclictest	0	-21	swapper/0	00:35:13	0
17121	99	88	10,17	cyclictest	0	-21	swapper/0	20:35:14	0
17121	99	88	10,16	cyclictest	0	-21	swapper/0	21:25:14	0
17121	99	88	10,14	cyclictest	0	-21	swapper/0	00:15:12	0
17128	99	87	9,16	cyclictest	0	-21	swapper/1	21:30:13	1
17128	99	86	9,16	cyclictest	0	-21	swapper/1	22:10:12	1
17121	99	86	9,17	cyclictest	0	-21	swapper/0	21:05:15	0
17121	99	86	9,15	cyclictest	0	-21	swapper/0	23:30:14	0
17121	99	86	9,15	cyclictest	0	-21	swapper/0	23:30:14	0
17121	99	86	8,16	cyclictest	0	-21	swapper/0	20:30:13	0
17121	99	86	7,17	cyclictest	0	-21	swapper/0	23:40:13	0
17121	99	86	7,16	cyclictest	0	-21	swapper/0	21:20:14	0
17128	99	85	9,16	cyclictest	0	-21	swapper/1	20:25:14	1
17128	99	85	11,16	cyclictest	0	-21	swapper/1	19:10:26	1
17121	99	85	9,17	cyclictest	0	-21	swapper/0	00:10:14	0
17121	99	85	9,15	cyclictest	0	-21	swapper/0	19:20:12	0
17121	99	85	8,18	cyclictest	0	-21	swapper/0	19:50:13	0
17121	99	85	8,16	cyclictest	0	-21	swapper/0	20:00:14	0
17121	99	85	8,15	cyclictest	0	-21	swapper/0	23:00:13	0
17121	99	85	7,18	cyclictest	0	-21	swapper/0	20:45:17	0
17121	99	85	7,17	cyclictest	0	-21	swapper/0	22:45:13	0
17121	99	85	7,17	cyclictest	0	-21	swapper/0	22:45:13	0
17121	99	85	7,15	cyclictest	0	-21	swapper/0	22:50:23	0
17121	99	85	17,13	cyclictest	0	-21	swapper/0	22:40:14	0
17128	99	84	9,14	cyclictest	0	-21	swapper/1	21:45:11	1
17128	99	84	6,20	cyclictest	18656	-21	apt-get	22:15:14	1
17128	99	84	10,14	cyclictest	0	-21	swapper/1	23:25:15	1
17121	99	84	8,15	cyclictest	0	-21	swapper/0	22:55:15	0
17121	99	84	7,70	cyclictest	0	-21	swapper/0	21:45:11	0
17121	99	84	7,17	cyclictest	0	-21	swapper/0	22:35:13	0
17121	99	84	6,15	cyclictest	0	-21	swapper/0	20:50:13	0
17121	99	84	5,24	cyclictest	14550	-21	apt-get	23:35:17	0
17128	99	83	9,18	cyclictest	0	-21	swapper/1	21:05:14	1
17128	99	83	9,16	cyclictest	0	-21	swapper/1	20:20:14	1
17128	99	83	8,18	cyclictest	0	-21	swapper/1	23:35:17	1
17128	99	83	8,18	cyclictest	0	-21	swapper/1	19:40:14	1
17128	99	83	8,14	cyclictest	0	-21	swapper/1	22:05:14	1
17121	99	83	8,17	cyclictest	0	-21	swapper/0	23:55:14	0
17121	99	83	8,17	cyclictest	0	-21	swapper/0	21:40:14	0
17121	99	83	7,16	cyclictest	0	-21	swapper/0	23:45:14	0
17121	99	83	7,16	cyclictest	0	-21	swapper/0	22:15:14	0
17121	99	83	7,15	cyclictest	0	-21	swapper/0	22:00:13	0
17121	99	83	7,15	cyclictest	0	-21	swapper/0	22:00:13	0
17121	99	83	7,14	cyclictest	0	-21	swapper/0	23:10:14	0
17121	99	83	2,74	cyclictest	11541	-21	cat	21:55:02	0
16256	2	83	38,28	sleep1	0	-21	swapper/1	19:05:36	1
17128	99	82	9,17	cyclictest	0	-21	swapper/1	23:50:15	1
17128	99	82	9,16	cyclictest	0	-21	swapper/1	19:25:23	1
17128	99	82	7,20	cyclictest	30565	-21	apt-get	19:45:12	1
17128	99	82	7,18	cyclictest	5115	-21	apt-get	20:05:13	1
17128	99	82	7,15	cyclictest	0	-21	swapper/1	00:05:13	1
17128	99	82	6,20	cyclictest	16359	-21	apt-get	23:40:13	1
17128	99	82	6,18	cyclictest	18103	-21	apt-get	23:45:12	1
17121	99	82	9,17	cyclictest	0	-21	swapper/0	23:25:17	0
17121	99	82	8,17	cyclictest	0	-21	swapper/0	21:15:26	0
17121	99	82	6,71	cyclictest	0	-21	swapper/0	19:41:15	0
17121	99	82	10,17	cyclictest	0	-21	swapper/0	19:45:15	0
17121	99	82	10,16	cyclictest	0	-21	swapper/0	22:30:13	0
17128	99	81	9,17	cyclictest	0	-21	swapper/1	22:45:12	1
17128	99	81	9,17	cyclictest	0	-21	swapper/1	22:45:12	1
17128	99	81	6,17	cyclictest	31803	-21	apt-get	21:20:13	1
17128	99	81	10,17	cyclictest	0	-21	swapper/1	00:35:15	1
17121	99	81	9,18	cyclictest	0	-21	swapper/0	20:05:14	0
17121	99	81	9,16	cyclictest	0	-21	swapper/0	00:00:25	0
17121	99	81	7,18	cyclictest	0	-21	swapper/0	20:10:16	0
17121	99	81	7,17	cyclictest	0	-21	swapper/0	20:55:14	0
17121	99	81	7,17	cyclictest	0	-21	swapper/0	19:55:14	0
17121	99	81	7,16	cyclictest	0	-21	swapper/0	20:40:14	0
17121	99	81	7,15	cyclictest	0	-21	swapper/0	21:35:12	0
17121	99	81	6,14	cyclictest	0	-21	swapper/0	19:10:24	0
17121	99	81	10,15	cyclictest	0	-21	swapper/0	21:30:14	0
17128	99	80	9,17	cyclictest	0	-21	swapper/1	20:55:16	1
17128	99	80	8,15	cyclictest	0	-21	swapper/1	20:30:12	1
17128	99	80	7,20	cyclictest	2304	-21	apt-get	23:00:14	1
17128	99	80	7,18	cyclictest	4595	-21	apt-get	21:35:13	1
17128	99	80	10,16	cyclictest	0	-21	swapper/1	19:15:45	1
17121	99	80	8,17	cyclictest	0	-21	swapper/0	20:15:13	0
17121	99	80	8,16	cyclictest	0	-21	swapper/0	21:55:17	0
17121	99	80	7,15	cyclictest	0	-21	swapper/0	20:20:15	0
17121	99	80	7,14	cyclictest	0	-21	swapper/0	23:05:13	0
17121	99	80	5,18	cyclictest	23529	-21	apt-get	19:25:23	0
17121	99	80	23,12	cyclictest	0	-21	swapper/0	22:10:11	0
17128	99	79	9,16	cyclictest	0	-21	swapper/1	19:35:15	1
17128	99	79	8,19	cyclictest	32303	-21	apt-get	19:50:13	1
17128	99	79	8,16	cyclictest	0	-21	swapper/1	22:00:14	1
17128	99	79	8,16	cyclictest	0	-21	swapper/1	22:00:14	1
17128	99	79	8,15	cyclictest	0	-21	swapper/1	20:45:14	1
17128	99	79	7,20	cyclictest	22157	-21	apt-get	22:25:13	1
17128	99	79	6,22	cyclictest	27452	-21	apt-get	22:40:14	1
17128	99	79	6,18	cyclictest	1754	-21	apt-get	00:30:14	1
17128	99	79	19,20	cyclictest	30785	-21	uname	21:15:41	1
17121	99	79	8,15	cyclictest	0	-21	swapper/0	22:20:13	0
17121	99	79	8,15	cyclictest	0	-21	swapper/0	22:05:13	0
17121	99	79	8,15	cyclictest	0	-21	swapper/0	19:35:13	0
17121	99	79	10,15	cyclictest	0	-21	swapper/0	00:20:15	0
17128	99	78	9,16	cyclictest	0	-21	swapper/1	00:25:14	1
17128	99	78	7,23	cyclictest	6406	-21	apt-get	21:40:12	1
17128	99	78	7,19	cyclictest	9328	-21	apt-get	23:20:14	1
17128	99	78	6,22	cyclictest	25642	-21	apt-get	22:35:13	1
17128	99	78	6,20	cyclictest	23898	-21	apt-get	22:30:15	1
17128	99	78	36,35	cyclictest	26	-21	ksoftirqd/1	21:10:49	1
17128	99	78	11,16	cyclictest	0	-21	swapper/1	21:55:15	1
17121	99	78	8,14	cyclictest	0	-21	swapper/0	22:25:16	0
17121	99	78	7,17	cyclictest	0	-21	swapper/0	20:25:13	0
17121	99	78	6,22	cyclictest	9328	-21	apt-get	23:20:13	0
17128	99	77	9,17	cyclictest	0	-21	swapper/1	23:05:14	1
17128	99	77	9,15	cyclictest	0	-21	swapper/1	19:30:14	1
17128	99	77	9,13	cyclictest	0	-21	swapper/1	20:10:12	1
17128	99	77	7,19	cyclictest	21581	-21	apt-get	23:55:14	1
17128	99	77	6,20	cyclictest	28938	-21	apt-get	00:15:14	1
17128	99	77	6,19	cyclictest	8642	-21	apt-get	20:15:13	1
17121	99	77	9,16	cyclictest	0	-21	swapper/0	00:30:14	0
17121	99	77	8,16	cyclictest	0	-21	swapper/0	23:50:12	0
17121	99	77	7,17	cyclictest	0	-21	swapper/0	21:00:14	0
17121	99	77	3,67	cyclictest	799	-21	ps	00:25:33	0
17128	99	76	7,18	cyclictest	12808	-21	apt-get	23:30:16	1
17128	99	76	7,18	cyclictest	12808	-21	apt-get	23:30:16	1
17128	99	76	7,17	cyclictest	17435	-21	apt-get	20:40:14	1
17128	99	75	8,23	cyclictest	27205	-21	apt-get	00:10:14	1
17128	99	75	8,15	cyclictest	0	-21	swapper/1	22:50:22	1
17128	99	75	6,16	cyclictest	1117	-21	apt-get	21:25:16	1
17128	99	74	8,16	cyclictest	0	-21	swapper/1	00:20:14	1
17128	99	74	7,20	cyclictest	7568	-21	apt-get	23:15:13	1
17128	99	74	6,21	cyclictest	20915	-21	apt-get	20:50:13	1
17128	99	74	6,17	cyclictest	23674	-21	apt-get	00:00:23	1
17121	99	74	6,31	cyclictest	0	-21	swapper/0	00:06:18	0
17128	99	73	7,18	cyclictest	21489	-21	apt-get	19:20:12	1
17128	99	73	6,18	cyclictest	1619	-21	apt-get	19:55:15	1
17128	99	73	20,13	cyclictest	1696	-21	awk	22:55:41	1
17121	99	73	7,14	cyclictest	0	-21	swapper/0	19:15:44	0
17128	99	71	7,18	cyclictest	15623	-21	apt-get	20:35:14	1
17128	99	71	5,20	cyclictest	3377	-21	apt-get	20:00:14	1
17128	99	70	6,17	cyclictest	5831	-21	apt-get	23:10:14	1
17128	99	67	4,24	cyclictest	20415	-21	apt-get	22:20:10	1
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^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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