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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 the highest latencies:

System rackfslot4s.osadl.org (updated Tue Sep 01, 2026 00:44:36)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
2983	2	127	0,4	chrt	2984	-21	runrttasks	23:14:29	0
10832	2	124	0,2	chrt	10834	-21	mailstats	22:37:22	0
19674	2	120	0,2	chrt	19675	-21	sleep	00:29:36	0
29075	2	118	0,2	chrt	29076	-21	sh	23:05:14	0
28378	2	118	0,3	chrt	28379	-21	sleep	23:51:52	0
18343	2	116	0,3	chrt	18318	-21	ntpq	23:36:45	0
12642	2	115	0,3	chrt	12633	-21	ps	20:10:44	0
9748	2	114	0,2	sleep0	9747	-21	seq	23:24:19	0
22425	2	114	0,2	sleep0	22427	-21	cut	22:06:14	0
9997	2	113	0,3	chrt	9996	-21	seq	19:15:13	0
12722	2	111	0,3	chrt	12723	-21	sleep	21:51:43	0
27632	2	110	0,3	chrt	27634	-21	cut	21:25:55	0
22534	2	108	0,3	chrt	22535	-21	sleep	21:17:54	0
9536	2	105	0,1	sleep0	9537	-21	seq	20:05:43	0
3135	2	104	0,2	chrt	3136	-21	ssh	00:02:32	0
4675	2	101	0,2	sleep0	4676	-21	chrt	21:40:23	0
22848	2	101	0,2	chrt	22849	-21	sh	00:34:15	0
23282	2	96	0,1	sleep0	23283	-21	chrt	23:44:54	0
19370	2	96	0,2	sleep0	19374	-21	cpu	22:50:36	0
15728	2	93	0,1	sleep0	15729	-21	seq	00:23:05	0
26652	2	91	0,2	sleep0	26653	-21	seq	20:33:17	0
29909	2	89	0,2	sleep0	29908	-21	grep	19:45:52	0
18170	2	82	0,1	sleep0	18172	-21	aten2.4_rfpower	22:00:31	0
10083	2	80	0,2	sleep0	10084	-21	chrt	00:15:18	0
10418	2	79	0,2	sleep0	10420	-21	chrt	21:00:01	0
24551	2	78	0,2	sleep0	24552	-21	seq	22:57:50	0
18065	2	73	0,2	sleep0	18066	-21	cat	21:11:48	0
5117	2	71	0,2	sleep0	5118	-21	chrt	22:29:18	0
11372	2	71	0,2	sleep0	11373	-21	sh	23:26:12	0
24176	2	70	0,2	sleep0	24177	-21	cat	00:36:04	0
1039	2	68	0,1	sleep0	1041	-21	switchtime	19:51:27	0
27012	2	66	0,2	sleep0	27013	-21	seq	23:01:27	0
15819	2	63	0,1	sleep0	15823	-21	cut	20:15:44	0
23630	2	61	0,1	sleep0	23631	-21	chrt	21:20:06	0
15932	2	59	0,1	sleep0	15933	-21	chrt	21:56:29	0
14314	2	59	7,42	sleep0	13552	-21	/usr/sbin/munin	23:31:04	0
12749	2	58	3,8	sleep0	12753	-21	df_inode	22:40:42	0
28883	2	57	3,7	sleep0	28977	-21	cut	22:16:08	0
14376	2	57	3,43	sleep0	14382	-21	ntpq	19:21:12	0
21597	2	56	0,2	sleep0	21598	-21	seq	20:25:27	0
714	2	55	0,1	sleep0	715	-21	chrt	22:22:20	0
25282	2	55	0,1	sleep0	25283	-21	chrt	23:47:13	0
14183	2	55	3,6	sleep0	14189	-21	hddtemp_smartct	21:05:37	0
1668	2	54	0,2	sleep0	1670	-21	fschecks_count	20:45:35	0
4503	2	52	0,1	sleep0	4500	-21	cat	21:40:06	0
30597	2	52	3,40	sleep0	30592	-21	df_inode	23:55:43	0
8647	2	51	3,41	sleep0	8648	-21	cron	20:05:01	0
13515	2	50	3,40	sleep0	13501	-21	munin-run	21:05:01	0
8171	2	49	2,38	sleep0	8119	-21	ssh	21:45:35	0
6757	90	49	20,21	cyclictest	0	-21	swapper	22:34:07	0
26300	2	49	2,7	sleep0	26289	-21	ntpq	22:12:06	0
8163	2	48	3,7	sleep0	8173	-21	ntpq	19:11:16	0
4866	2	48	12,20	sleep0	4870	-21	ntpq	19:06:07	0
30414	2	48	2,6	sleep0	30412	-21	ssh	21:30:22	0
6757	90	47	20,21	cyclictest	0	-21	swapper	00:10:07	0
5891	2	47	4,34	sleep0	5887	-21	ssh	00:08:55	0
16694	2	46	3,35	sleep0	16458	-21	apt-get	19:25:55	0
6757	90	45	16,22	cyclictest	0	-21	swapper	22:48:56	0
23959	2	45	4,34	sleep0	23954	-21	ntpq	19:36:21	0
6757	90	44	20,17	cyclictest	412	-21	snmpd	20:42:35	0
5253	2	44	0,2	chrt	5251	-21	mailstats	23:17:15	0
6757	90	41	6,9	cyclictest	27066	-21	ntp_states	19:41:17	0
6757	90	41	4,19	cyclictest	4718	-21	seq	20:50:34	0
6757	90	40	4,10	cyclictest	18515	-21	df	20:20:31	0
6757	90	39	6,25	cyclictest	27469	-21	apt-get	20:35:20	0
6757	90	39	4,28	cyclictest	19907	-21	df	19:30:34	0
6757	90	39	16,14	cyclictest	2620	-21	seq	19:55:14	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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