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 highest latencies:

System rack7slot2.osadl.org (updated Wed Apr 08, 2026 12:44:08)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
1669288	99	111	96,6	cyclictest	1800722	-21	kworker/u4:7+events_unbound	11:04:28	0
1669288	99	110	96,5	cyclictest	1856924	-21	kworker/u4:3+events_unbound	12:14:45	0
1669288	99	106	98,6	cyclictest	1813349	-21	kworker/u4:9+events_unbound	12:04:44	0
1669288	99	102	94,6	cyclictest	1742872	-21	kworker/u4:8+events_unbound	10:14:18	0
1669289	99	98	91,5	cyclictest	1782745	-21	kworker/u4:1+events_unbound	10:59:27	1
1669288	99	98	90,6	cyclictest	1665485	-21	kworker/u4:11+events_unbound	07:23:43	0
1669288	99	91	83,6	cyclictest	1791759	-21	kworker/u4:2+events_unbound	10:54:26	0
1669288	99	91	82,5	cyclictest	1764727	-21	kworker/u4:2+events_unbound	10:34:23	0
1669288	99	84	78,5	cyclictest	1685842	-21	kworker/u4:19+events_unbound	08:33:57	0
1669288	99	80	73,5	cyclictest	1682000	-21	kworker/u4:0+events_unbound	09:14:04	0
1669288	99	80	72,6	cyclictest	1687126	-21	kworker/u4:23+events_unbound	08:28:56	0
1669289	99	76	3,57	cyclictest	1846745	-21	ssh	11:55:31	1
1669289	99	76	25,48	cyclictest	0	-21	swapper/1	11:45:11	1
1669289	99	75	36,35	cyclictest	0	-21	swapper/1	10:45:34	1
1669288	99	75	68,5	cyclictest	1690960	-21	kworker/u4:4+events_unbound	08:53:59	0
1669288	99	73	66,5	cyclictest	1658090	-21	kworker/u4:3+events_unbound	07:17:02	0
1669289	99	72	61,6	cyclictest	1859830	-21	ssh	12:10:32	1
1669289	99	72	38,31	cyclictest	1695105	-21	aten_r7power_po	08:50:15	1
1669289	99	72	35,35	cyclictest	1873380	-21	/usr/sbin/munin	12:25:40	1
1669288	99	71	63,6	cyclictest	1683304	-21	kworker/u4:16+events_unbound	08:59:01	0
1669289	99	70	57,9	cyclictest	1845630	-21	modprobe	11:55:01	1
1669289	99	70	39,28	cyclictest	1705278	-21	gltestperf	09:15:20	1
1669289	99	70	39,28	cyclictest	1705278	-21	gltestperf	09:15:19	1
1669289	99	70	34,32	cyclictest	1674201	-21	timerwakeupswit	07:25:37	1
1669289	99	70	32,34	cyclictest	0	-21	swapper/1	09:00:24	1
1669289	99	70	2,15	cyclictest	1675154	-21	sshd	07:30:28	1
1669289	99	69	36,30	cyclictest	1680957	-21	aten2__	07:55:13	1
1669289	99	69	33,31	cyclictest	1763339	-21	diskmemload	10:20:27	1
1669289	99	69	12,54	cyclictest	0	-21	swapper/1	12:05:29	1
1669289	99	67	29,34	cyclictest	0	-21	swapper/1	11:15:16	1
1669289	99	67	27,36	cyclictest	1694424	-21	ps	08:45:35	1
1669289	99	67	20,8	cyclictest	1798853	-21	ssh	11:00:37	1
1669289	99	66	42,22	cyclictest	1687594	-21	fschecks_count	08:20:17	1
1669289	99	66	37,27	cyclictest	1777201	-21	unixbench_singl	10:35:41	1
1669289	99	66	26,37	cyclictest	0	-21	swapper/1	11:15:01	1
1669288	99	66	51,6	cyclictest	1685847	-21	kworker/u4:21+events_unbound	08:15:03	0
1669289	99	65	3,18	cyclictest	1802392	-21	apt-get	11:05:11	1
1669289	99	65	30,32	cyclictest	1700031	-21	diskmemload	10:52:09	1
1669289	99	65	28,33	cyclictest	0	-21	swapper/1	10:15:31	1
1669289	99	65	25,36	cyclictest	0	-21	swapper/1	11:45:00	1
1669288	99	65	23,38	cyclictest	0	-21	swapper/0	11:45:00	0
1669289	99	64	32,29	cyclictest	0	-21	swapper/1	09:30:15	1
1669289	99	63	26,34	cyclictest	0	-21	swapper/1	10:30:31	1
1669289	99	63	26,33	cyclictest	0	-21	swapper/1	11:25:31	1
1669289	99	63	25,35	cyclictest	0	-21	swapper/1	09:40:37	1
1669289	99	63	24,35	cyclictest	0	-21	swapper/1	09:35:20	1
1669288	99	63	15,17	cyclictest	17	1	rcu_preempt	09:40:27	0
1669289	99	62	8,8	cyclictest	17	1	rcu_preempt	10:00:32	1
1669289	99	62	5,12	cyclictest	1881504	-21	sh	12:35:30	1
1669289	99	62	50,9	cyclictest	53	-21	kswapd0	12:20:01	1
1669289	99	62	28,29	cyclictest	0	-21	swapper/1	12:00:22	1
1669289	99	62	27,32	cyclictest	0	-21	swapper/1	12:20:39	1
1669289	99	62	27,31	cyclictest	0	-21	swapper/1	11:35:36	1
1669289	99	62	27,31	cyclictest	0	-21	swapper/1	10:10:14	1
1669289	99	61	30,28	cyclictest	0	-21	swapper/1	07:35:35	1
1669289	99	61	27,31	cyclictest	0	-21	swapper/1	09:45:27	1
1669289	99	61	26,32	cyclictest	0	-21	swapper/1	10:25:30	1
1669289	99	61	21,6	cyclictest	0	-21	swapper/1	10:40:24	1
1669288	99	61	53,6	cyclictest	1791760	-21	kworker/u4:5+events_unbound	10:58:01	0
1669289	99	60	30,27	cyclictest	1824908	-21	collect2	11:30:27	1
1669289	99	60	28,29	cyclictest	1683788	-21	fschecks_count	08:05:17	1
1669289	99	60	26,32	cyclictest	0	-21	swapper/1	08:25:33	1
1669289	99	60	23,8	cyclictest	0	-21	swapper/1	07:40:21	1
1669289	99	59	29,27	cyclictest	0	-21	swapper/1	11:20:11	1
1669288	99	59	50,5	cyclictest	1776191	-21	/usr/sbin/munin	10:35:19	0
1669289	99	58	3,18	cyclictest	1709888	-21	ssh	09:20:22	1
1669289	99	58	24,30	cyclictest	0	-21	swapper/1	09:25:31	1
1669289	99	58	19,6	cyclictest	1741174	-21	ntpq	09:55:29	1
1669289	99	57	26,4	cyclictest	1669285	-21	cyclictest	09:10:49	1
1669289	99	57	26,28	cyclictest	0	-21	swapper/1	08:55:35	1
1669289	99	57	24,6	cyclictest	1749402	-21	aten_r7power_po	10:05:15	1
1669289	99	57	22,5	cyclictest	0	-21	swapper/1	12:30:15	1
1669289	99	57	20,6	cyclictest	0	-21	swapper/1	09:50:26	1
1669289	99	57	19,8	cyclictest	0	-21	swapper/1	07:10:16	1
1669288	99	57	50,5	cyclictest	1670507	-21	kworker/u4:2+events_unbound	09:31:00	0
1669289	99	56	25,28	cyclictest	0	-21	swapper/1	08:40:15	1
1669289	99	56	25,28	cyclictest	0	-21	swapper/1	07:15:20	1
1669289	99	56	24,28	cyclictest	0	-21	swapper/1	07:50:18	1
1669288	99	56	42,7	cyclictest	1808921	-21	kworker/u4:7+events_unbound	11:15:03	0
1669288	99	56	39,14	cyclictest	1854993	-21	fschecks_count	12:05:18	0
1669288	99	56	18,29	cyclictest	256	50	irq/23-42890000.ethernet	12:30:36	0
1669289	99	55	26,27	cyclictest	0	-21	swapper/1	08:10:14	1
1669289	99	55	21,5	cyclictest	0	-21	swapper/1	09:05:29	1
1669288	99	55	44,5	cyclictest	1724810	-21	kworker/u4:2+events_unbound	09:40:00	0
1669288	99	55	42,8	cyclictest	1813349	-21	kworker/u4:9-rpciod	11:55:14	0
1669289	99	54	20,4	cyclictest	0	-21	swapper/1	08:30:22	1
1669288	99	54	46,6	cyclictest	1685847	-21	kworker/u4:21+events_unbound	08:14:00	0
1669288	99	54	41,6	cyclictest	1678196	-21	kworker/u4:5+events_unbound	08:20:41	0
1669288	99	54	25,23	cyclictest	256	50	irq/23-42890000.ethernet	09:05:13	0
1669289	99	53	22,4	cyclictest	0	-21	swapper/1	08:00:38	1
1669288	99	53	46,5	cyclictest	1767366	-21	ssh	10:25:21	0
1669288	99	53	46,5	cyclictest	1683304	-21	kworker/u4:16+events_unbound	08:49:01	0
1669288	99	53	45,6	cyclictest	1679466	-21	kworker/u4:7+events_unbound	08:37:01	0
1669288	99	52	46,5	cyclictest	1760222	-21	kworker/u4:5+events_unbound	10:16:59	0
1669288	99	52	44,6	cyclictest	1782746	-21	kworker/u4:6+events_unbound	10:48:59	0
1669288	99	52	13,11	cyclictest	17	1	rcu_preempt	12:21:32	0
1669289	99	51	17,7	cyclictest	0	-21	swapper/1	07:25:00	1
1669289	99	51	17,6	cyclictest	0	-21	swapper/1	08:35:19	1
1669288	99	51	43,6	cyclictest	1737155	-21	/usr/sbin/munin	09:50:40	0
1669288	99	49	42,5	cyclictest	1824648	-21	gltestperf	11:30:21	0
1669288	99	49	41,6	cyclictest	1816471	-21	sendmail_mailqu	11:20:36	0
1669288	99	49	27,20	cyclictest	1	-21	systemd	12:19:45	0
1669288	99	48	42,4	cyclictest	1744569	-21	sendmail-mta	10:00:01	0
1669288	99	48	41,5	cyclictest	1831056	-21	kworker/u4:15+events_unbound	11:49:00	0
1669288	99	48	31,15	cyclictest	1670041	-21	sshd	07:10:27	0
1669288	99	48	30,16	cyclictest	0	-21	swapper/0	10:20:33	0
1669288	99	47	40,5	cyclictest	1685847	-21	kworker/u4:21+events_unbound	08:44:01	0
1669288	99	47	39,6	cyclictest	1714132	-21	/usr/sbin/munin	09:25:20	0
1669288	99	47	34,6	cyclictest	1658090	-21	kworker/u4:3+events_unbound	07:38:01	0
1669288	99	47	33,6	cyclictest	1817815	-21	kworker/u4:2+events_unbound	11:25:03	0
1669288	99	47	27,17	cyclictest	0	-21	swapper/0	09:45:28	0
1669289	99	46	39,5	cyclictest	1679503	-21	munin-run	07:50:01	1
1669288	99	46	37,6	cyclictest	1697610	-21	aten_r7power_cu	09:00:16	0
1669288	99	46	36,9	cyclictest	1803305	-21	ntp_states	11:05:37	0
1669288	99	46	17,9	cyclictest	17	1	rcu_preempt	12:26:41	0
1669288	99	45	37,6	cyclictest	1753532	-21	sh	10:10:01	0
1669288	99	45	36,7	cyclictest	1781540	-21	unixbench-2d	10:40:38	0
1669288	99	45	36,6	cyclictest	1705512	-21	/usr/sbin/munin	09:15:28	0
1669288	99	45	36,6	cyclictest	1705512	-21	/usr/sbin/munin	09:15:27	0
1669288	99	45	35,8	cyclictest	1673549	-21	fschecks_count	07:25:19	0
1669288	99	45	34,9	cyclictest	1880963	-21	df_abs	12:35:16	0
1669288	99	44	37,5	cyclictest	1800720	-21	kworker/u4:3-nfsiod	11:10:16	0
1669288	99	44	37,5	cyclictest	1683298	-21	kworker/u4:6+events_unbound	08:02:04	0
1669288	99	44	37,5	cyclictest	1681710	-21	cat	07:55:35	0
1669288	99	44	36,5	cyclictest	1669298	-21	grep	07:10:02	0
1669288	99	44	34,7	cyclictest	0	-21	swapper/0	09:20:34	0
1669288	99	44	2,28	cyclictest	0	-21	swapper/0	11:50:36	0
1669288	99	43	37,5	cyclictest	1665485	-21	kworker/u4:11+events_unbound	08:09:00	0
1669288	99	43	36,5	cyclictest	1675628	-21	kworker/u4:15+events_unbound	07:46:59	0
1669288	99	43	32,7	cyclictest	1733866	-21	kworker/u4:9-xprtiod	10:01:28	0
1669288	99	43	32,7	cyclictest	1677130	-21	aten2__	07:40:15	0
1669288	99	42	22,6	cyclictest	17	1	rcu_preempt	11:36:52	0
1669289	99	41	31,8	cyclictest	1687143	-21	cron	08:20:01	1
1669288	99	41	34,5	cyclictest	1670507	-21	kworker/u4:2+events_unbound	07:54:41	0
1669288	99	39	30,7	cyclictest	1674563	-21	aten2__	07:30:14	0
1669289	99	36	28,6	cyclictest	0	-21	swapper/1	07:10:01	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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