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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 Wed Jul 29, 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
24596	2	123	0,2	chrt	24594	-21	ld	11:56:41	0
5951	2	121	0,2	chrt	5949	-21	sshd	10:40:32	0
4782	2	121	0,3	chrt	4779	-21	ld	11:27:09	0
17982	2	119	0,3	chrt	17985	-21	sed	09:21:08	0
23344	2	118	0,2	chrt	23348	-21	sendmail_mailqu	10:17:15	0
12810	2	118	0,1	sleep0	12815	-21	seq	11:39:57	0
16594	2	115	0,3	chrt	16587	-21	ntpq	10:07:09	0
31050	2	114	0,3	chrt	29635	-21	apt-get	12:06:44	0
15170	2	114	0,3	chrt	15168	-21	ls	08:25:27	0
24028	2	113	0,2	chrt	24024	-21	ps	11:07:13	0
22387	2	113	0,3	chrt	22386	-21	sed	09:27:27	0
15212	2	111	0,3	chrt	15209	-21	ntpq	09:16:49	0
27787	2	110	0,3	chrt	27788	-21	sleep	10:24:29	0
1551	2	109	0,2	chrt	1550	-21	seq	10:33:31	0
9875	2	108	0,3	chrt	9876	-21	chrt	08:16:13	0
1027	2	108	0,2	chrt	1028	-21	seq	08:55:12	0
29604	2	106	0,3	chrt	29605	-21	sh	10:26:37	0
8468	2	105	0,2	sleep0	8469	-21	chrt	11:32:28	0
3087	2	104	0,2	chrt	3089	-21	sleep	08:05:44	0
12001	2	104	0,3	chrt	12002	-21	awk	08:20:25	0
28298	2	101	0,1	sleep0	28303	-21	seq	11:14:02	0
2026	2	101	0,2	chrt	2027	-21	sh	08:04:28	0
2981	2	100	0,2	sleep0	2982	-21	chrt	12:12:40	0
12940	2	98	0,1	sleep0	12941	-21	chrt	07:30:19	0
2870	2	96	0,2	sleep0	2871	-21	seq	11:24:55	0
30704	2	94	0,1	sleep0	30706	-21	mailstats	11:17:14	0
23751	2	94	0,2	sleep0	23752	-21	rm	09:30:12	0
21165	2	89	0,1	sleep0	21166	-21	ld	11:51:28	0
18749	2	87	0,2	sleep0	18750	-21	chrt	12:36:31	0
6139	2	85	0,2	sleep0	6137	-21	missed_timers	09:51:17	0
19378	2	83	0,2	sleep0	19379	-21	seq	11:00:38	0
11003	2	82	0,1	sleep0	11005	-21	aten2.4_rfpower	12:25:33	0
19472	2	79	0,2	sleep0	19473	-21	chrt	10:11:20	0
27058	2	78	0,2	sleep0	27057	-21	uniq	12:00:53	0
10872	2	78	0,2	sleep0	10873	-21	chrt	10:47:17	0
3009	2	74	0,2	sleep0	3010	-21	uname	09:46:55	0
14952	2	71	0,2	sleep0	14950	-21	switchtime	11:42:19	0
1447	2	71	0,2	sleep0	1448	-21	apt-config	09:45:08	0
4567	2	70	0,1	sleep0	4564	-21	missed_timers	07:15:51	0
19877	2	69	0,2	sleep0	19879	-21	cut	07:41:17	0
10109	2	69	0,2	sleep0	10110	-21	chrt	09:57:15	0
30737	2	61	0,1	sleep0	30738	-21	seq	08:50:32	0
27772	2	61	0,1	sleep0	27773	-21	fschecks_time	08:45:35	0
4117	2	59	0,1	sleep0	4114	-21	processes	10:37:13	0
32451	2	59	6,14	sleep0	412	-21	snmpd	07:09:19	0
1547	2	58	0,1	sleep0	1545	-21	ntp_kernel_pll_	07:10:56	0
313	90	56	31,16	cyclictest	10384	-21	apt-get	09:10:28	0
313	90	56	27,21	cyclictest	10590	-21	ssh	12:25:00	0
313	90	55	23,22	cyclictest	22137	-21	ntpq	08:35:58	0
313	90	54	21,24	cyclictest	17101	-21	seq	10:56:44	0
313	90	53	21,13	cyclictest	17340	-21	df_inode	11:46:38	0
15894	2	52	0,2	sleep0	15895	-21	seq	12:32:14	0
12579	2	52	0,2	sleep0	12580	-21	aten2.4_rfpower	10:50:34	0
313	90	51	21,22	cyclictest	28974	-21	df	07:55:30	0
313	90	51	20,12	cyclictest	8008	-21	ntp_states	07:21:18	0
313	90	51	19,22	cyclictest	27752	-21	hddtemp_smartct	09:35:57	0
18324	2	51	0,2	sleep0	18346	-21	fschecks_count	08:30:36	0
313	90	50	29,13	cyclictest	13514	-21	cat	10:02:21	0
313	90	50	28,15	cyclictest	7965	-21	irqrtprio	09:05:45	0
313	90	50	18,23	cyclictest	23499	-21	ntpq	07:45:54	0
313	90	50	17,13	cyclictest	5185	-21	irqstats	12:16:08	0
313	90	49	24,19	cyclictest	4400	-21	sh	09:00:26	0
313	90	49	19,22	cyclictest	10780	-21	sh	07:25:50	0
313	90	49	18,22	cyclictest	24479	-21	seq	08:40:27	0
313	90	48	22,16	cyclictest	16000	-21	apt-get	07:35:20	0
313	90	48	18,21	cyclictest	5835	-21	df	08:10:28	0
313	90	46	23,13	cyclictest	25546	-21	apt-get	07:50:21	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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