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Default latency plot of shadow in rack #f, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
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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 all highest latencies:

System rackfslot4s.osadl.org (updated Wed Aug 05, 2026 12:44:34)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
5131	2	133	0,2	chrt	5135	-21	sed	11:56:04	0
23204	2	128	0,2	chrt	23207	-21	wc	09:58:02	0
25243	2	120	0,2	chrt	25242	-21	seq	11:37:51	0
23511	2	119	0,3	chrt	23510	-21	sleep	10:47:04	0
15575	2	119	0,2	chrt	15576	-21	seq	09:45:37	0
6446	2	116	0,3	chrt	6445	-21	/usr/sbin/munin	11:10:43	0
13501	2	113	0,2	chrt	13499	-21	/usr/sbin/munin	11:21:03	0
4464	2	111	0,3	chrt	4465	-21	seq	11:07:13	0
17471	2	110	0,3	chrt	17473	-21	munin-run	12:15:01	0
32568	2	109	0,2	chrt	32569	-21	sleep	09:11:35	0
10829	2	109	0,3	sleep0	10832	-21	ntp_offset	11:16:49	0
1634	2	107	0,3	chrt	1635	-21	sleep	10:14:45	0
13080	2	106	0,2	chrt	13081	-21	chrt	12:07:31	0
27189	2	104	0,2	chrt	27190	-21	chrt	10:04:05	0
32765	2	103	0,1	sleep0	300	-21	sed	11:01:05	0
27056	2	103	0,2	sleep0	27058	-21	rm	11:40:37	0
21922	2	97	0,2	sleep0	21921	-21	seq	11:33:52	0
11991	2	95	0,1	sleep0	11992	-21	chrt	09:37:46	0
7096	2	91	0,2	sleep0	7099	-21	cut	10:22:15	0
4945	2	85	0,2	sleep0	4946	-21	chrt	08:00:02	0
16266	2	85	0,2	sleep0	16268	-21	cut	11:25:36	0
22192	2	80	0,2	sleep0	22193	-21	chrt	07:20:01	0
8641	2	76	0,1	sleep0	8642	-21	chrt	10:25:19	0
22974	2	74	0,2	sleep0	22975	-21	seq	08:46:41	0
18380	90	74	4,11	cyclictest	25680	-21	ntpq	12:26:34	0
18380	90	74	17,48	cyclictest	5095	-21	munin-run	10:20:00	0
18380	90	73	6,57	cyclictest	20247	-21	basename	07:15:00	0
18380	90	73	5,58	cyclictest	2167	-21	ssh	09:16:09	0
18380	90	73	5,48	cyclictest	12553	-21	hddtemp_smartct	10:30:56	0
18380	90	73	5,11	cyclictest	20799	-21	munin-run	09:55:04	0
18380	90	73	4,59	cyclictest	19375	-21	sh	12:17:12	0
18380	90	73	4,58	cyclictest	31783	-21	diskmemload	09:33:22	0
18380	90	73	4,57	cyclictest	2352	-21	ntp_states	11:51:49	0
18380	90	73	19,46	cyclictest	22363	-21	ssh	12:21:32	0
18380	90	72	6,56	cyclictest	28137	-21	runrttasks	09:00:07	0
18380	90	72	5,58	cyclictest	32021	-21	cut	12:36:10	0
18380	90	72	4,57	cyclictest	30422	-21	diskstats	11:45:46	0
18380	90	72	4,57	cyclictest	25614	-21	df_inode	10:50:43	0
18380	90	72	4,11	cyclictest	436	-21	runrttasks	09:28:32	0
18380	90	72	4,10	cyclictest	28665	-21	ssh	10:06:08	0
18380	90	71	5,56	cyclictest	7332	-21	apt-get	12:00:53	0
18380	90	71	5,47	cyclictest	15603	-21	ssh	10:35:37	0
18380	90	71	4,11	cyclictest	16785	-21	runrttasks	08:30:21	0
18380	90	71	13,50	cyclictest	22385	-21	seq	07:20:19	0
18380	90	70	8,52	cyclictest	27629	-21	apt-get	12:30:16	0
18380	90	70	8,46	cyclictest	25967	-21	sleep	07:30:01	0
18380	90	70	7,8	cyclictest	4271	-21	ssh	09:20:17	0
18380	90	70	5,56	cyclictest	19937	-21	ntpq	10:41:35	0
18380	90	70	4,12	cyclictest	30138	-21	ntpq	10:57:06	0
18380	90	70	4,10	cyclictest	8725	-21	munin-run	08:10:03	0
18380	90	69	5,10	cyclictest	27433	-21	runrttasks	08:58:34	0
18380	90	69	4,56	cyclictest	12548	-21	modprobe	08:20:01	0
18380	90	68	5,10	cyclictest	31758	-21	cat	07:45:02	0
18380	90	68	4,54	cyclictest	702	-21	sleep	07:48:56	0
18380	90	68	4,10	cyclictest	29387	-21	sshd	07:39:03	0
18380	90	68	16,43	cyclictest	14099	-21	runrttasks	08:24:07	0
18380	90	67	6,9	cyclictest	18401	-21	date	07:10:03	0
18380	90	67	6,51	cyclictest	22286	-21	modprobe	08:45:01	0
18380	90	67	4,55	cyclictest	7315	-21	runrttasks	09:43:21	0
18380	90	67	4,54	cyclictest	10301	-21	sshd	08:14:12	0
18380	90	67	13,46	cyclictest	26178	-21	cat	08:55:03	0
18380	90	66	5,9	cyclictest	5257	-21	sleep	08:00:38	0
18380	90	66	4,9	cyclictest	27849	-21	munin-run	07:35:00	0
18380	90	65	6,50	cyclictest	31870	-21	wc	09:10:06	0
18380	90	65	5,11	cyclictest	20473	-21	wc	08:40:04	0
18380	90	65	12,44	cyclictest	7315	-21	runrttasks	07:50:49	0
18380	90	64	9,46	cyclictest	14667	-21	apt-key	08:25:08	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2024-02-27 - 12:39