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2026-04-13 - 21:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Mon Apr 13, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306362900,0sleep6631rcuc/612:09:006
33972890,2sleep12480499cyclictest12:18:401
210802750,2sleep42482699cyclictest11:21:404
117152720,1sleep71-21systemd09:37:007
292212580,1sleep52483399cyclictest10:11:265
128942560,0sleep20-21swapper/212:24:502
232722540,0sleep40-21swapper/412:08:344
42932530,0sleep00-21swapper/011:56:120
41442530,1sleep32481899cyclictest11:58:083
30172510,0sleep20-21swapper/211:59:592
294422510,1sleep729441-21grep10:18:567
242372500,0sleep50-21swapper/510:46:345
138022500,0sleep00-21swapper/011:30:420
2447524925,9sleep10-21swapper/107:04:001
240412490,1sleep01-21systemd10:50:210
106192490,0sleep50-21swapper/510:04:535
106192490,0sleep50-21swapper/510:04:535
45632480,0sleep10-21swapper/109:45:591
95382460,0sleep40-21swapper/411:08:034
192462460,0sleep30-21swapper/310:31:183
128212460,0sleep20-21swapper/212:09:522
78922440,1sleep125-21ksoftirqd/112:03:581
33792440,1sleep03366-21sshd12:09:180
294872440,0sleep11-21systemd09:39:581
224122440,0sleep10-21swapper/112:08:311
206622440,0sleep10-21swapper/109:45:031
152632440,0sleep40-21swapper/410:36:394
305022430,1sleep730500-21bash10:09:437
82682420,1sleep1492-21systemd-journal09:29:251
24682420,0sleep60-21swapper/610:22:566
2457324229,9sleep30-21swapper/307:05:223
164472420,0sleep30-21swapper/311:27:003
137522420,1sleep013751-21sshd10:05:040
137522420,1sleep013751-21sshd10:05:040
124492420,0sleep60-21swapper/610:55:166
10412420,0sleep3391rcuc/310:04:193
10412420,0sleep3391rcuc/310:04:193
258762410,0sleep50-21swapper/510:07:335
2453924129,8sleep70-21swapper/707:04:547
108552410,0sleep30-21swapper/312:30:193
39732400,0sleep40-21swapper/411:39:264
2452524026,9sleep60-21swapper/607:04:456
2433524027,9sleep40-21swapper/407:02:034
14392400,0sleep30-21swapper/311:39:173
11782400,0sleep20-21swapper/209:17:492
309662390,0sleep70-21swapper/710:48:527
2436023928,8sleep20-21swapper/207:02:252
2434023926,9sleep00-21swapper/007:02:070
2433623928,8sleep50-21swapper/507:02:045
176632390,0sleep3686-21dbus-daemon10:16:203
268372380,0sleep30-21swapper/310:57:533
259702380,1sleep09-21ksoftirqd/010:57:500
22482380,0sleep60-21swapper/611:39:206
39672370,0sleep10-21swapper/111:15:131
218612370,2sleep72484599cyclictest12:34:407
123402370,0sleep50-21swapper/511:00:515
122492370,0sleep30-21swapper/311:19:233
325492360,0sleep6784-21runrttasks10:35:536
2479699276,4cyclictest9-21ksoftirqd/012:12:550
24796992311,1cyclictest121rcu_preempt09:28:030
192322230,2sleep02479699cyclictest09:16:580
24796992215,5cyclictest9-21ksoftirqd/011:36:470
24796992214,4cyclictest9-21ksoftirqd/011:50:070
24796992210,1cyclictest9-21ksoftirqd/010:09:060
2479699215,1cyclictest9-21ksoftirqd/011:53:200
24796992114,4cyclictest9-21ksoftirqd/009:41:080
24796992013,5cyclictest9-21ksoftirqd/010:40:000
2479699200,2cyclictest121rcu_preempt11:01:090
66732190,0sleep50-21swapper/509:18:085
24804991917,1cyclictest25-21ksoftirqd/111:35:521
2479699199,1cyclictest9-21ksoftirqd/011:10:310
2479699197,1cyclictest9-21ksoftirqd/009:54:560
2479699193,1cyclictest9-21ksoftirqd/009:47:500
24796991917,1cyclictest9-21ksoftirqd/010:35:020
24796991916,1cyclictest9-21ksoftirqd/011:34:030
24796991915,3cyclictest9-21ksoftirqd/010:54:220
24796991915,1cyclictest9-21ksoftirqd/012:05:340
24796991914,3cyclictest9-21ksoftirqd/009:11:150
2479699190,1cyclictest121rcu_preempt11:13:530
121412190,0sleep512138-21sshd12:02:185
2479699185,2cyclictest121rcu_preempt10:19:170
2479699185,1cyclictest9-21ksoftirqd/010:21:070
2479699182,3cyclictest9-21ksoftirqd/011:24:380
24796991816,1cyclictest14737-21kworker/0:009:03:210
24796991816,1cyclictest14737-21kworker/0:009:03:210
24796991815,3cyclictest9-21ksoftirqd/012:21:230
24796991815,3cyclictest9-21ksoftirqd/010:10:580
2479699180,1cyclictest131rcu_sched10:44:200
24804991716,1cyclictest25-21ksoftirqd/111:01:231
24804991715,1cyclictest25-21ksoftirqd/112:14:011
2479699175,1cyclictest9-21ksoftirqd/009:36:350
2479699174,3cyclictest9-21ksoftirqd/011:17:560
2479699173,3cyclictest9-21ksoftirqd/009:58:130
2479699172,1cyclictest9-21ksoftirqd/012:27:070
24796991716,1cyclictest1116-21nfsd09:09:480
24796991716,1cyclictest1116-21nfsd09:09:480
24796991715,2cyclictest14737-21kworker/0:007:26:590
24796991715,1cyclictest9-21ksoftirqd/012:31:140
24796991715,1cyclictest9-21ksoftirqd/012:18:280
24796991715,1cyclictest9-21ksoftirqd/009:31:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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