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2026-08-07 - 18:49
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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 Fri Aug 07, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309899912569,18cyclictest27839-21bash10:38:155
90672780,2sleep33098799cyclictest10:17:543
99922750,0sleep70-21swapper/710:35:207
99922750,0sleep70-21swapper/710:35:207
30990996618,20cyclictest0-21swapper/610:38:146
37042650,0sleep20-21swapper/209:43:012
75832500,0sleep00-21swapper/011:46:170
325432500,1sleep557-21ksoftirqd/512:22:185
3098699500,49cyclictest28347-21kworker/u16:010:38:142
5242490,2sleep73099199cyclictest10:23:107
324932490,1sleep032495-21sshd10:11:340
3079924926,8sleep30-21swapper/307:05:283
3059824825,8sleep00-21swapper/007:02:440
205822480,1sleep120576-21sshd11:27:511
153142480,0sleep30-21swapper/309:24:363
49722470,1sleep5561ktimersoftd/509:37:195
307182470,0sleep60-21swapper/610:15:246
30412460,0sleep10-21swapper/111:42:091
230042460,0sleep00-21swapper/011:37:360
237082450,0sleep50-21swapper/511:58:475
13172450,0sleep30-21swapper/311:34:263
30987994418,25cyclictest27703-21bash10:38:143
24292440,0sleep70-21swapper/712:12:507
236152440,0sleep70-21swapper/709:46:107
161782440,1sleep716175-21sshd10:08:457
160452440,0sleep20-21swapper/210:29:542
46632430,0sleep70-21swapper/711:34:387
3152430,0sleep60-21swapper/609:42:496
180712430,0sleep40-21swapper/411:46:534
49832420,0sleep20-21swapper/211:40:262
34612420,0sleep60-21swapper/610:27:106
34072420,0sleep10-21swapper/109:41:071
230032420,0sleep30-21swapper/311:18:243
195722420,0sleep30-21swapper/311:54:443
177402420,0sleep30-21swapper/311:12:163
69622410,2sleep13098399cyclictest10:04:221
3069424130,8sleep20-21swapper/207:04:062
3068924128,9sleep60-21swapper/607:04:026
296372410,1sleep129638-21grep09:23:291
273482410,0sleep40-21swapper/412:16:164
179602410,0sleep30-21swapper/311:39:153
62362400,0sleep50-21swapper/510:13:555
33282400,0sleep60-21swapper/612:34:046
311662400,0sleep10-21swapper/110:51:551
3069924027,9sleep70-21swapper/707:04:117
3057724029,8sleep10-21swapper/107:02:291
297582400,0sleep50-21swapper/510:59:365
271222400,0sleep00-21swapper/009:23:200
255242400,0sleep70-21swapper/711:01:147
15442400,0sleep60-21swapper/611:47:516
3061123926,9sleep40-21swapper/407:02:564
3056323926,9sleep50-21swapper/507:02:175
297442390,0sleep70-21swapper/709:38:497
159422390,0sleep10-21swapper/110:58:441
3099199380,37cyclictest28347-21kworker/u16:010:38:157
84592370,2sleep33098799cyclictest11:09:513
77532370,0sleep00-21swapper/011:54:010
263152370,0sleep60-21swapper/608:50:596
30983993634,2cyclictest10713-21kworker/1:310:38:151
3097899300,29cyclictest1-21systemd10:38:150
3098899278,19cyclictest0-21swapper/410:38:154
30978992517,8cyclictest9-21ksoftirqd/010:48:530
3098999220,0cyclictest0-21swapper/509:55:345
30978992217,1cyclictest9-21ksoftirqd/010:55:250
30978992215,6cyclictest9-21ksoftirqd/011:19:150
3098699205,1cyclictest33-21ksoftirqd/210:18:442
30978992016,2cyclictest9-21ksoftirqd/011:44:450
30978992014,1cyclictest9-21ksoftirqd/012:29:490
3098999190,5cyclictest0-21swapper/510:35:505
3098999190,5cyclictest0-21swapper/510:35:505
3098999190,1cyclictest29636-21sshd11:43:475
3098999190,0cyclictest0-21swapper/510:26:525
3098699199,1cyclictest33-21ksoftirqd/210:25:072
30986991916,1cyclictest33-21ksoftirqd/212:35:022
30986991916,1cyclictest33-21ksoftirqd/209:22:312
30986991915,3cyclictest33-21ksoftirqd/210:56:522
30986991913,3cyclictest33-21ksoftirqd/211:17:102
30986991910,3cyclictest33-21ksoftirqd/211:41:162
3098699190,3cyclictest0-21swapper/210:50:282
30978991917,1cyclictest9-21ksoftirqd/010:23:450
30978991916,2cyclictest9-21ksoftirqd/011:23:330
30978991915,1cyclictest9-21ksoftirqd/012:18:550
30978991914,1cyclictest9-21ksoftirqd/011:31:490
3098999187,5cyclictest0-21swapper/511:25:255
30987991817,1cyclictest41-21ksoftirqd/309:47:213
3098699186,1cyclictest33-21ksoftirqd/211:06:112
30986991816,1cyclictest33-21ksoftirqd/212:21:192
30986991816,1cyclictest33-21ksoftirqd/209:38:462
30986991816,1cyclictest33-21ksoftirqd/209:30:302
30986991815,2cyclictest33-21ksoftirqd/210:55:092
30986991815,1cyclictest33-21ksoftirqd/212:00:432
30986991813,3cyclictest33-21ksoftirqd/211:50:592
3098699181,2cyclictest33-21ksoftirqd/211:32:342
3098699181,2cyclictest33-21ksoftirqd/210:36:002
3098699181,2cyclictest33-21ksoftirqd/210:36:002
3098699180,1cyclictest131rcu_sched10:13:332
30978991816,1cyclictest9-21ksoftirqd/009:51:200
30978991816,1cyclictest9-21ksoftirqd/009:42:590
30978991815,1cyclictest9-21ksoftirqd/012:21:340
30978991813,2cyclictest9-21ksoftirqd/012:02:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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