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 Thu Jan 01, 2026 00:44:09)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
426048	99	112	102,7	cyclictest	480205	-21	kworker/u4:5+events_unbound	21:56:31	0
426048	99	84	75,7	cyclictest	459200	-21	kworker/u4:16+events_unbound	21:21:23	0
426048	99	83	72,8	cyclictest	480203	-21	kworker/u4:0+events_unbound	21:40:36	0
426049	99	81	73,6	cyclictest	427260	-21	kworker/u4:9+events_unbound	19:46:03	1
426049	99	80	72,6	cyclictest	539540	-21	kworker/u4:7+events_unbound	23:11:46	1
426048	99	80	71,6	cyclictest	593708	-21	kworker/u4:3+events_unbound	23:52:37	0
426048	99	67	58,6	cyclictest	427259	-21	kworker/u4:2+events_unbound	19:31:01	0
426049	99	66	55,8	cyclictest	426044	-21	cyclictest	21:56:40	1
426048	99	65	57,6	cyclictest	530973	-21	kworker/u4:0+events_unbound	22:51:43	0
426048	99	65	45,18	cyclictest	388	-21	dbus-daemon	22:26:36	0
426049	99	64	56,6	cyclictest	480203	-21	kworker/u4:0+events_unbound	21:51:30	1
426049	99	63	55,6	cyclictest	505950	-21	kworker/u4:6+events_unbound	22:11:34	1
426049	99	59	50,6	cyclictest	522409	-21	kworker/u4:11+events_unbound	22:31:38	1
426048	99	59	50,7	cyclictest	623043	-21	sshd	00:28:49	0
426048	99	59	49,7	cyclictest	432311	-21	kworker/u4:11+events_unbound	20:16:09	0
426048	99	59	49,7	cyclictest	432311	-21	kworker/u4:11+events_unbound	20:16:09	0
426049	99	58	48,8	cyclictest	488263	-21	kworker/u4:15+events_unbound	22:05:21	1
426049	99	58	45,9	cyclictest	54	-21	kswapd0	00:35:06	1
426049	99	58	45,9	cyclictest	54	-21	kswapd0	00:30:20	1
426048	99	58	48,7	cyclictest	572423	-21	kworker/u4:12+events_unbound	23:41:53	0
426048	99	57	40,13	cyclictest	54	-21	kswapd0	22:35:08	0
426048	99	56	48,6	cyclictest	432311	-21	kworker/u4:11+events_unbound	19:51:06	0
426048	99	56	48,5	cyclictest	629213	-21	/usr/sbin/munin	00:35:41	0
426048	99	56	48,5	cyclictest	0	-21	swapper/0	00:20:32	0
426048	99	56	47,7	cyclictest	593710	-21	kworker/u4:5+events_unbound	00:08:31	0
426048	99	56	47,7	cyclictest	593710	-21	kworker/u4:5+events_unbound	00:08:31	0
426048	99	56	47,7	cyclictest	443766	-21	kworker/u4:2+events_unbound	20:36:13	0
426048	99	56	47,6	cyclictest	0	-21	swapper/0	23:15:14	0
426049	99	54	50,2	cyclictest	509583	-21	kworker/u4:12+events_unbound	22:20:01	1
426049	99	54	46,6	cyclictest	488878	-21	kworker/u4:17+events_unbound	22:01:32	1
426049	99	54	2,42	cyclictest	470224	-21	ssh	21:25:24	1
426048	99	54	46,6	cyclictest	568771	-21	kworker/u4:8+events_unbound	23:47:04	0
426048	99	54	46,6	cyclictest	539540	-21	kworker/u4:7+events_unbound	23:11:47	0
426048	99	54	46,6	cyclictest	522408	-21	kworker/u4:10+events_unbound	22:35:00	0
426049	99	53	43,8	cyclictest	554195	-21	fschecks_count	23:05:25	1
426048	99	53	48,3	cyclictest	488878	-21	kworker/u4:17+events_unbound	22:00:21	0
426048	99	53	44,6	cyclictest	475919	-21	kworker/u4:7+events_unbound	21:45:04	0
426048	99	53	43,7	cyclictest	539541	-21	kworker/u4:9+events_unbound	23:06:44	0
426048	99	53	31,19	cyclictest	491987	-21	unixbench_singl	21:50:36	0
426049	99	52	45,5	cyclictest	482032	-21	sendmail	21:40:00	1
426048	99	52	45,5	cyclictest	447255	-21	cat	20:30:34	0
426049	99	51	44,5	cyclictest	608287	-21	/usr/sbin/munin	00:10:34	1
426049	99	51	42,6	cyclictest	0	-21	swapper/1	23:30:13	1
426048	99	51	43,6	cyclictest	567389	-21	cat	23:20:36	0
426048	99	51	43,5	cyclictest	461970	-21	sendmail_mailqu	21:15:38	0
426048	99	51	42,6	cyclictest	54	-21	kswapd0	00:20:01	0
426049	99	50	43,5	cyclictest	438372	-21	sendmail_mailqu	19:55:36	1
426049	99	50	42,5	cyclictest	0	-21	swapper/1	00:20:36	1
426049	99	50	41,7	cyclictest	471585	-21	kworker/u4:1-rpciod	21:30:23	1
426049	99	50	41,7	cyclictest	427645	-21	df_abs	19:15:15	1
426049	99	50	40,8	cyclictest	423574	-21	kworker/u4:3+events_unbound	19:40:03	1
426049	99	50	40,7	cyclictest	452605	-21	kworker/u4:8+events_unbound	21:25:01	1
426049	99	50	40,7	cyclictest	0	-21	swapper/1	00:00:32	1
426049	99	50	39,8	cyclictest	0	-21	swapper/1	22:45:26	1
426048	99	50	42,5	cyclictest	446313	-21	modprobe	20:30:00	0
426048	99	50	40,7	cyclictest	452604	-21	kworker/u4:6+events_unbound	20:56:18	0
426048	99	50	25,22	cyclictest	513860	-21	kworker/u4:5-rpciod	22:45:39	0
426048	99	50	25,20	cyclictest	0	-21	swapper/0	22:25:01	0
426049	99	49	41,6	cyclictest	539540	-21	kworker/u4:7+events_unbound	23:26:50	1
426049	99	49	40,7	cyclictest	549669	-21	aten2__	23:00:16	1
426049	99	49	40,7	cyclictest	441191	-21	unixbench_singl	20:05:36	1
426048	99	49	42,5	cyclictest	504563	-21	timerwakeupswit	22:05:41	0
426048	99	49	41,5	cyclictest	568771	-21	kworker/u4:8+rpciod	00:30:40	0
426048	99	49	40,7	cyclictest	432311	-21	kworker/u4:11+events_unbound	20:41:14	0
426048	99	49	40,6	cyclictest	509583	-21	kworker/u4:12+events_unbound	22:16:34	0
426048	99	49	40,6	cyclictest	434936	-21	kworker/u4:8+events_unbound	20:11:08	0
426048	99	49	32,14	cyclictest	434937	-21	kworker/u4:12-rpciod	21:10:17	0
426049	99	48	41,5	cyclictest	545913	-21	gltestperf	22:55:20	1
426049	99	48	41,5	cyclictest	536800	-21	idleruntime-cro	22:45:00	1
426049	99	48	41,5	cyclictest	529369	-21	ldconfig	22:35:30	1
426049	99	48	39,7	cyclictest	432311	-21	kworker/u4:11+events_unbound	19:36:02	1
426049	99	48	38,7	cyclictest	0	-21	swapper/1	21:45:18	1
426049	99	48	37,8	cyclictest	0	-21	swapper/1	21:05:00	1
426048	99	48	41,5	cyclictest	546047	-21	/usr/sbin/munin	22:55:23	0
426048	99	48	40,5	cyclictest	550856	-21	tail	23:00:41	0
426048	99	48	39,6	cyclictest	416283	-21	kworker/u4:13+events_unbound	20:20:02	0
426048	99	48	37,8	cyclictest	0	-21	swapper/0	21:05:24	0
426048	99	48	35,9	cyclictest	54	-21	kswapd0	00:15:01	0
426048	99	48	29,16	cyclictest	453857	-21	kworker/u4:9-xprtiod	21:25:13	0
426049	99	47	40,5	cyclictest	612560	-21	/usr/sbin/munin	00:15:38	1
426049	99	47	38,7	cyclictest	0	-21	swapper/1	21:40:31	1
426049	99	47	37,7	cyclictest	447657	-21	latency_hist	20:35:01	1
426048	99	47	41,4	cyclictest	54	-21	kswapd0	21:30:13	0
426048	99	47	39,5	cyclictest	571869	-21	sshd	23:25:39	0
426048	99	47	38,6	cyclictest	532873	-21	apt-get	22:40:12	0
426049	99	46	39,5	cyclictest	588177	-21	ntpq	23:45:31	1
426049	99	46	39,5	cyclictest	585276	-21	sshd	23:41:52	1
426049	99	46	39,5	cyclictest	442266	-21	awk	20:10:38	1
426049	99	46	39,5	cyclictest	439190	-21	fschecks_count	20:00:20	1
426049	99	46	37,7	cyclictest	456386	-21	systemd	21:06:19	1
426049	99	46	36,7	cyclictest	0	-21	swapper/1	22:50:33	1
426049	99	46	35,8	cyclictest	0	-21	swapper/1	22:25:28	1
426048	99	46	39,5	cyclictest	507859	-21	df_abs	22:10:19	0
426048	99	46	39,5	cyclictest	426044	-21	cyclictest	23:35:20	0
426048	99	46	38,5	cyclictest	603946	-21	latency_hist	00:05:01	0
426048	99	46	37,7	cyclictest	416283	-21	kworker/u4:13+events_unbound	21:01:19	0
426048	99	46	25,18	cyclictest	433580	-21	cron	19:40:00	0
426049	99	45	38,5	cyclictest	595880	-21	aten_r7power_en	23:55:14	1
426049	99	45	38,5	cyclictest	0	-21	swapper/1	21:15:29	1
426049	99	45	37,5	cyclictest	568771	-21	kworker/u4:8+events_unbound	00:25:17	1
426049	99	45	36,7	cyclictest	509583	-21	kworker/u4:12+events_unbound	22:21:36	1
426049	99	45	35,8	cyclictest	451880	-21	fschecks_time	20:50:19	1
426048	99	45	38,5	cyclictest	426044	-21	cyclictest	20:45:37	0
426048	99	45	38,4	cyclictest	599674	-21	ssh	00:00:00	0
426049	99	44	38,4	cyclictest	592367	-21	ssh	23:50:30	1
426049	99	44	38,4	cyclictest	566565	-21	aten_r7power_vo	23:20:16	1
426049	99	44	37,5	cyclictest	434937	-21	kworker/u4:12-writeback	21:10:12	1
426049	99	44	36,6	cyclictest	451123	-21	timerandwakeup	20:45:36	1
426048	99	44	37,5	cyclictest	440232	-21	aten_r7power_cu	20:05:15	0
426048	99	44	36,6	cyclictest	427290	-21	idleruntime-cro	19:15:00	0
426049	99	43	36,4	cyclictest	0	-21	swapper/1	20:30:01	1
426049	99	43	34,7	cyclictest	0	-21	swapper/1	23:15:36	1
426049	99	43	33,7	cyclictest	0	-21	swapper/1	23:35:32	1
426048	99	43	36,5	cyclictest	574867	-21	cut	23:30:17	0
426049	99	42	36,4	cyclictest	0	-21	swapper/1	19:20:32	1
426049	99	42	32,8	cyclictest	443482	-21	switchtime	20:15:35	1
426049	99	42	32,8	cyclictest	443482	-21	switchtime	20:15:35	1
426049	99	42	31,8	cyclictest	607000	-21	ssh	00:10:00	1
426049	99	42	31,8	cyclictest	607000	-21	ssh	00:10:00	1
426049	99	42	30,10	cyclictest	436595	-21	df_abs	19:50:15	1
426048	99	42	35,4	cyclictest	0	-21	swapper/0	21:36:25	0
426048	99	42	33,6	cyclictest	416284	-21	kworker/u4:14-rpciod	19:15:18	0
426049	99	41	35,4	cyclictest	0	-21	swapper/1	19:31:00	1
426049	99	41	34,5	cyclictest	444174	-21	sed	20:20:17	1
426048	99	41	33,5	cyclictest	428878	-21	aten_r7power_vo	19:20:17	0
426049	99	40	31,5	cyclictest	0	-21	swapper/1	20:55:28	1
426048	99	40	34,4	cyclictest	430077	-21	aten_r7power_en	19:25:16	0
426048	99	40	33,5	cyclictest	440013	-21	idleruntime-cro	20:05:00	0
426048	99	40	30,8	cyclictest	451778	-21	fschecks_count	20:50:19	0
426049	99	39	32,5	cyclictest	449219	-21	sed	20:40:17	1
426049	99	39	32,5	cyclictest	0	-21	swapper/1	19:15:00	1
426049	99	39	31,6	cyclictest	448837	-21	sh	20:40:00	1
426049	99	39	26,11	cyclictest	0	-21	swapper/1	19:25:17	1
426048	99	39	33,4	cyclictest	437670	-21	aten2__	19:55:16	0
426048	99	39	32,4	cyclictest	436031	-21	timerwakeupswit	19:45:36	0
426048	99	38	28,7	cyclictest	0	-21	swapper/0	19:40:37	0
426048	99	34	25,6	cyclictest	0	-21	swapper/0	19:10:01	0
426049	99	28	20,6	cyclictest	0	-21	swapper/1	19:10:00	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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