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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 Thu Aug 13, 2026 00:44:35)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
4005	2	140	0,2	sleep0	4006	-21	seq	22:34:40	0
9399	2	125	0,2	sleep0	9437	-21	sed	23:31:03	0
19886	2	125	0,2	sleep0	19888	-21	cut	21:21:09	0
426	2	120	0,2	chrt	428	-21	modprobe	20:00:01	0
20772	2	120	0,3	chrt	20766	-21	ntpq	00:36:22	0
11644	2	119	0,3	chrt	11934	-21	diskmemload	00:22:36	0
15908	2	117	0,2	sleep0	15912	-21	chrt	21:15:43	0
28291	2	116	0,2	sleep0	28292	-21	chrt	23:59:56	0
13072	2	116	0,3	chrt	13075	-21	aten2.4_rfpower	00:25:33	0
4505	2	115	0,3	chrt	4503	-21	seq	00:12:04	0
17453	2	115	0,1	sleep0	17454	-21	cat	22:06:00	0
3661	2	114	0,2	chrt	3659	-21	ld	20:55:58	0
26302	2	114	0,3	chrt	26300	-21	users	23:07:23	0
31964	2	113	0,2	sleep0	31965	-21	seq	20:50:19	0
25356	2	112	0,2	sleep0	25358	-21	idleruntime-cro	21:30:01	0
8179	2	110	0,2	sleep0	8177	-21	ls	19:20:04	0
30784	2	109	0,2	sleep0	30785	-21	chrt	23:14:47	0
10212	2	109	0,1	sleep0	10213	-21	chrt	22:43:35	0
18754	2	107	0,2	chrt	18755	-21	sleep	20:28:30	0
17069	2	106	0,2	chrt	17068	-21	sed	00:31:04	0
5600	2	105	0,2	sleep0	5602	-21	aten2.4_rfpower	23:25:35	0
29498	2	104	0,2	chrt	29499	-21	sleep	19:54:16	0
2505	2	104	0,3	chrt	2506	-21	seq	00:09:36	0
14330	2	103	0,3	chrt	14331	-21	runrttasks	19:30:03	0
15111	2	102	0,2	chrt	15112	-21	sh	21:14:37	0
17768	2	100	0,2	sleep0	17770	-21	sh	19:35:25	0
1817	2	99	0,2	sleep0	1818	-21	seq	23:20:02	0
25876	2	96	0,1	sleep0	25877	-21	rm	22:18:34	0
481	2	94	0,1	sleep0	483	-21	grep	21:40:58	0
29889	2	94	0,2	sleep0	29891	-21	irqrtprio	21:36:10	0
14582	2	92	0,2	sleep0	14584	-21	missed_timers	22:01:16	0
8569	2	89	0,2	sleep0	8571	-21	grep	21:52:15	0
7625	2	89	0,2	sleep0	7626	-21	seq	00:16:41	0
6119	2	85	0,2	sleep0	6120	-21	seq	21:49:00	0
23332	2	83	0,2	sleep0	23334	-21	cut	20:35:43	0
19901	2	82	0,2	sleep0	19903	-21	cut	20:30:36	0
28837	2	81	0,2	sleep0	28838	-21	chrt	20:45:15	0
6835	2	80	0,2	sleep0	6836	-21	chrt	20:10:11	0
27328	2	74	0,2	sleep0	27326	-21	fw_packets	22:20:54	0
31416	2	73	0,1	sleep0	31419	-21	grep	22:26:38	0
20903	2	73	0,1	sleep0	20904	-21	seq	19:40:26	0
9951	2	72	0,1	sleep0	9952	-21	chrt	20:15:14	0
25944	2	72	0,2	sleep0	25946	-21	seq	21:30:40	0
2053	2	72	0,2	sleep0	2054	-21	chrt	23:20:23	0
16437	2	71	0,2	sleep0	16438	-21	ls	23:41:15	0
14597	2	71	0,2	sleep0	14598	-21	aten2.4_rfpower	22:50:33	0
10811	2	71	0,2	sleep0	10809	-21	if_err_eth2	21:56:02	0
28662	2	70	0,1	sleep0	28663	-21	mktemp	00:00:15	0
13160	2	70	0,2	sleep0	13162	-21	sort	20:20:10	0
31645	2	69	8,46	sleep0	31736	-21	tune2fs	19:05:27	0
21599	2	67	0,2	sleep0	21600	-21	sh	23:49:47	0
25738	2	64	0,2	sleep0	25739	-21	seq	20:40:16	0
21119	2	59	0,2	sleep0	21120	-21	cut	23:00:31	0
4967	2	57	0,2	sleep0	4968	-21	fschecks_time	22:35:52	0
8853	2	56	2,44	sleep0	8930	-21	wc	21:05:02	0
23828	2	56	3,7	sleep0	23767	-21	apt-get	19:45:24	0
8331	2	54	3,43	sleep0	8389	-21	aten2.4_rfpower	19:20:23	0
17464	2	54	0,1	sleep0	17467	-21	wc	19:35:04	0
20662	2	53	0,1	sleep0	20663	-21	fschecks_time	22:10:53	0
2964	2	48	3,36	sleep0	2969	-21	memory	19:10:48	0
4245	2	47	4,36	sleep0	4253	-21	hddtemp_smartct	20:05:38	0
23945	2	47	3,37	sleep0	23951	-21	sh	23:52:28	0
1866	90	47	18,21	cyclictest	0	-21	swapper	21:05:24	0
3552	2	46	0,3	sleep0	3555	-21	chrt	20:05:00	0
20668	2	43	0,3	sleep0	20664	-21	ssh	22:59:48	0
1866	90	43	17,8	cyclictest	436	-21	runrttasks	22:46:25	0
1866	90	43	17,19	cyclictest	12229	-21	telnet	23:35:35	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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