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2026-03-12 - 19:52
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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 Thu Mar 12, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109072790,0sleep01-21systemd10:12:130
90122550,1sleep20-21swapper/210:17:362
52902550,1sleep233-21ksoftirqd/211:42:092
294262530,1sleep7711rcuc/711:37:587
72022500,1sleep3686-21dbus-daemon11:29:213
3005125025,8sleep30-21swapper/307:03:103
3005125025,8sleep30-21swapper/307:03:103
4512490,0sleep00-21swapper/012:35:260
279142460,0sleep70-21swapper/710:02:117
242592460,1sleep024254-21bash11:52:250
327162450,0sleep032712-21systemd-cgroups09:56:590
326152450,0sleep125-21ksoftirqd/110:13:261
323342450,0sleep70-21swapper/710:24:297
82412440,0sleep50-21swapper/510:48:465
120052440,0sleep00-21swapper/010:23:180
3014524331,8sleep70-21swapper/707:04:267
3014524331,8sleep70-21swapper/707:04:267
149212430,0sleep50-21swapper/511:20:345
157692420,1sleep515767-21sshd10:43:425
54572410,0sleep00-21swapper/010:41:200
54572410,0sleep00-21swapper/010:41:200
3007624129,9sleep60-21swapper/607:03:296
3007624129,9sleep60-21swapper/607:03:296
292012410,0sleep30-21swapper/311:25:043
175602410,0sleep00-21swapper/007:37:170
175602410,0sleep00-21swapper/007:37:170
3012924029,8sleep50-21swapper/507:04:165
3012924029,8sleep50-21swapper/507:04:165
227442400,0sleep422743-21sshd12:34:494
103742400,0sleep10-21swapper/111:44:171
3023623928,8sleep40-21swapper/407:05:434
3023623928,8sleep40-21swapper/407:05:434
3014823926,9sleep10-21swapper/107:04:281
3014823926,9sleep10-21swapper/107:04:281
17302390,0sleep10-21swapper/111:14:131
303512380,1sleep430346-21systemd-cgroups09:12:424
3000523826,8sleep20-21swapper/207:02:292
3000523826,8sleep20-21swapper/207:02:292
235872380,0sleep00-21swapper/011:19:090
230042380,0sleep60-21swapper/608:46:586
142412380,0sleep70-21swapper/710:21:417
3003923726,8sleep00-21swapper/007:02:590
3003923726,8sleep00-21swapper/007:02:590
206072370,0sleep50-21swapper/509:19:325
126722340,0sleep10-21swapper/109:19:041
146582280,1sleep714635-21sshd09:48:337
30524992415,1cyclictest121rcu_preempt10:39:067
30524992415,1cyclictest121rcu_preempt10:39:067
30524992413,1cyclictest73-21ksoftirqd/712:14:117
30520992413,1cyclictest41-21ksoftirqd/310:41:503
30520992413,1cyclictest41-21ksoftirqd/310:41:503
3051999246,3cyclictest33-21ksoftirqd/212:23:012
30519992414,3cyclictest33-21ksoftirqd/211:22:002
30519992413,3cyclictest33-21ksoftirqd/211:58:452
30520992316,4cyclictest41-21ksoftirqd/311:37:563
30519992311,3cyclictest33-21ksoftirqd/210:40:512
30519992311,3cyclictest33-21ksoftirqd/210:40:512
3052499229,1cyclictest73-21ksoftirqd/710:30:407
3052499227,4cyclictest73-21ksoftirqd/711:50:287
3052499226,3cyclictest73-21ksoftirqd/712:01:557
3052499225,3cyclictest73-21ksoftirqd/712:02:507
30524992218,1cyclictest73-21ksoftirqd/709:29:197
30524992213,1cyclictest121rcu_preempt11:23:167
30524992212,1cyclictest121rcu_preempt09:40:217
30522992219,1cyclictest57-21ksoftirqd/511:40:355
30520992210,2cyclictest41-21ksoftirqd/311:51:253
30520992210,1cyclictest41-21ksoftirqd/309:26:313
3051999229,3cyclictest33-21ksoftirqd/211:19:102
3051999229,3cyclictest33-21ksoftirqd/210:34:552
3051999228,3cyclictest33-21ksoftirqd/210:15:432
3051999228,3cyclictest33-21ksoftirqd/209:25:552
3051999228,2cyclictest33-21ksoftirqd/211:32:552
3051999228,2cyclictest33-21ksoftirqd/209:51:512
3051999226,4cyclictest33-21ksoftirqd/211:15:182
3051999226,4cyclictest33-21ksoftirqd/210:23:022
3051999226,3cyclictest33-21ksoftirqd/210:51:462
3051999226,1cyclictest33-21ksoftirqd/212:32:122
3051999225,2cyclictest33-21ksoftirqd/210:01:122
3051999225,1cyclictest33-21ksoftirqd/212:06:392
149202220,0sleep60-21swapper/610:32:376
3052499217,1cyclictest73-21ksoftirqd/712:27:337
30524992116,3cyclictest73-21ksoftirqd/711:28:597
3052099218,1cyclictest1116-21nfsd10:28:243
3052099216,4cyclictest41-21ksoftirqd/311:58:573
3052099216,2cyclictest41-21ksoftirqd/311:21:483
3052099215,1cyclictest41-21ksoftirqd/310:51:133
30520992117,1cyclictest41-21ksoftirqd/310:07:183
3051999219,3cyclictest33-21ksoftirqd/212:11:172
3051999219,2cyclictest33-21ksoftirqd/209:40:062
3051999218,1cyclictest33-21ksoftirqd/212:17:072
3051999217,3cyclictest33-21ksoftirqd/211:49:002
3051999216,3cyclictest33-21ksoftirqd/210:08:592
3052499207,3cyclictest73-21ksoftirqd/711:35:557
30524992018,1cyclictest19678-21grepconf.sh12:21:477
30524992016,3cyclictest492-21systemd-journal11:56:487
30524992014,3cyclictest73-21ksoftirqd/711:17:137
30524992013,2cyclictest73-21ksoftirqd/710:08:307
30523992017,1cyclictest492-21systemd-journal09:57:176
3052099209,1cyclictest41-21ksoftirqd/310:44:113
3052099205,3cyclictest41-21ksoftirqd/310:03:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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