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2026-06-08 - 09:22
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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 rackdslot4.osadl.org (updated Mon Jun 08, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205170,23phc2sys0-21swapper/319:08:503
46842202168,23sleep10-21swapper/119:08:551
46832202168,22sleep00-21swapper/019:08:540
46902201169,21sleep20-21swapper/219:09:002
1882121520,1sleep10-21swapper/123:55:211
138591133107,14phc2sys0-21swapper/319:10:013
5063996927,7cyclictest33-21ksoftirqd/221:11:432
5063996927,7cyclictest33-21ksoftirqd/221:11:432
5064996231,4cyclictest41-21ksoftirqd/322:35:163
5064996228,4cyclictest41-21ksoftirqd/300:25:013
5063996229,8cyclictest33-21ksoftirqd/222:40:002
5064996130,3cyclictest41-21ksoftirqd/320:25:003
5064996030,4cyclictest41-21ksoftirqd/321:10:243
5064996030,4cyclictest41-21ksoftirqd/321:10:243
5064996030,3cyclictest41-21ksoftirqd/322:40:143
5064996029,4cyclictest41-21ksoftirqd/320:55:273
5063996019,8cyclictest33-21ksoftirqd/221:30:272
5064995933,4cyclictest41-21ksoftirqd/323:35:233
5064995932,4cyclictest41-21ksoftirqd/321:20:223
5064995930,3cyclictest41-21ksoftirqd/322:45:273
5064995929,4cyclictest41-21ksoftirqd/320:30:243
5064995927,4cyclictest41-21ksoftirqd/321:30:003
5064995926,3cyclictest41-21ksoftirqd/321:55:013
5063995929,4cyclictest33-21ksoftirqd/220:35:202
5063995929,3cyclictest33-21ksoftirqd/223:10:232
232652590,2sleep10-21swapper/121:55:181
5064995828,4cyclictest41-21ksoftirqd/321:40:273
5064995828,4cyclictest41-21ksoftirqd/319:35:163
5064995825,6cyclictest41-21ksoftirqd/320:25:193
5064995824,7cyclictest41-21ksoftirqd/323:55:013
5064995824,7cyclictest41-21ksoftirqd/323:55:003
5063995833,10cyclictest33-21ksoftirqd/220:20:002
5063995820,4cyclictest33-21ksoftirqd/222:50:002
5063995820,4cyclictest33-21ksoftirqd/221:15:182
226762580,3sleep2506399cyclictest20:50:002
5064995728,3cyclictest41-21ksoftirqd/322:20:183
5064995727,4cyclictest41-21ksoftirqd/323:05:223
5064995727,4cyclictest41-21ksoftirqd/321:35:203
5064995726,4cyclictest41-21ksoftirqd/319:45:153
5064995725,4cyclictest41-21ksoftirqd/319:30:183
5064995724,4cyclictest41-21ksoftirqd/323:50:003
5063995729,4cyclictest33-21ksoftirqd/223:20:262
5063995729,4cyclictest33-21ksoftirqd/223:20:262
5064995629,3cyclictest41-21ksoftirqd/300:25:193
5064995628,3cyclictest41-21ksoftirqd/321:30:153
5064995627,3cyclictest41-21ksoftirqd/300:10:163
5063995625,9cyclictest33-21ksoftirqd/223:39:592
5063995623,9cyclictest33-21ksoftirqd/221:45:242
5063995620,4cyclictest33-21ksoftirqd/219:59:232
5064995528,3cyclictest41-21ksoftirqd/323:20:273
5064995528,3cyclictest41-21ksoftirqd/323:20:273
5064995526,4cyclictest41-21ksoftirqd/320:14:553
5064995526,4cyclictest41-21ksoftirqd/320:14:553
5064995525,3cyclictest41-21ksoftirqd/300:00:313
5063995527,3cyclictest33-21ksoftirqd/223:30:012
5063995527,3cyclictest33-21ksoftirqd/222:15:142
5063995526,4cyclictest33-21ksoftirqd/223:00:212
5063995526,4cyclictest33-21ksoftirqd/220:55:022
5063995523,10cyclictest33-21ksoftirqd/221:10:002
138491550,1ptp4l401ktimersoftd/319:24:363
113932550,3sleep111397-21missed_timers19:20:211
5064995427,3cyclictest41-21ksoftirqd/320:45:193
5064995425,3cyclictest41-21ksoftirqd/323:55:193
5064995424,4cyclictest41-21ksoftirqd/300:35:253
5064995424,3cyclictest41-21ksoftirqd/322:00:003
5064995423,4cyclictest41-21ksoftirqd/320:15:193
5064995421,4cyclictest41-21ksoftirqd/323:30:183
5064995421,4cyclictest41-21ksoftirqd/300:35:013
5064995418,4cyclictest41-21ksoftirqd/320:05:253
5063995421,9cyclictest33-21ksoftirqd/223:05:152
5063995419,4cyclictest33-21ksoftirqd/220:42:192
5063995419,4cyclictest33-21ksoftirqd/220:42:192
138491540,1ptp4l401ktimersoftd/323:04:243
5064995325,4cyclictest41-21ksoftirqd/319:27:003
5064995324,4cyclictest41-21ksoftirqd/321:15:143
5064995322,8cyclictest41-21ksoftirqd/323:20:003
5063995317,4cyclictest33-21ksoftirqd/200:00:302
5063995314,4cyclictest33-21ksoftirqd/221:35:232
138491530,1ptp4l401ktimersoftd/322:12:373
5064995222,4cyclictest41-21ksoftirqd/322:05:003
5064995222,4cyclictest41-21ksoftirqd/319:55:013
5064995222,3cyclictest41-21ksoftirqd/320:40:253
5064995222,3cyclictest41-21ksoftirqd/320:40:253
5064995216,4cyclictest41-21ksoftirqd/319:55:203
5063995215,8cyclictest33-21ksoftirqd/221:40:142
5063995215,7cyclictest33-21ksoftirqd/222:20:262
93172510,2sleep20-21swapper/219:15:252
5064995120,4cyclictest41-21ksoftirqd/322:30:233
5063995132,10cyclictest33-21ksoftirqd/219:35:172
5063995120,11cyclictest33-21ksoftirqd/221:00:002
5063995113,8cyclictest33-21ksoftirqd/220:02:282
5064995022,4cyclictest41-21ksoftirqd/300:15:143
5064995021,3cyclictest41-21ksoftirqd/320:00:153
5063995015,5cyclictest33-21ksoftirqd/223:55:292
5064994921,3cyclictest41-21ksoftirqd/323:25:143
5064994920,4cyclictest41-21ksoftirqd/321:45:243
5064994912,4cyclictest41-21ksoftirqd/320:39:303
5063994927,10cyclictest33-21ksoftirqd/222:50:172
5063994927,10cyclictest33-21ksoftirqd/222:50:172
5063994921,8cyclictest33-21ksoftirqd/200:07:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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