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2026-05-02 - 13:13
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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 Sat May 02, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591239170,23phc2sys0-21swapper/319:09:073
178492205170,23sleep10-21swapper/119:09:481
175802202168,23sleep20-21swapper/219:06:222
177552201167,22sleep00-21swapper/019:08:330
18308996910,17cyclictest2496-21sshd00:03:151
18310996837,2cyclictest41-21ksoftirqd/321:55:173
1830899671,21cyclictest25746-21df_abs23:45:141
1830899660,30cyclictest20179-21date23:35:011
18310996431,9cyclictest41-21ksoftirqd/322:05:183
18310996431,7cyclictest41-21ksoftirqd/322:45:013
18310996420,6cyclictest41-21ksoftirqd/323:17:073
1830899640,27cyclictest30397-21date20:40:001
18310996325,8cyclictest41-21ksoftirqd/323:25:143
18310996322,9cyclictest41-21ksoftirqd/321:40:103
18310996223,8cyclictest41-21ksoftirqd/323:40:133
18310996129,9cyclictest41-21ksoftirqd/323:35:173
18310996127,4cyclictest41-21ksoftirqd/321:20:223
1830899610,20cyclictest3036-21chrt20:50:031
18310996028,9cyclictest41-21ksoftirqd/321:30:233
18310996028,8cyclictest41-21ksoftirqd/300:35:173
18310996025,9cyclictest41-21ksoftirqd/300:15:003
18310995931,3cyclictest41-21ksoftirqd/322:55:013
18310995927,9cyclictest41-21ksoftirqd/323:35:013
18310995926,9cyclictest41-21ksoftirqd/300:25:203
18310995925,8cyclictest41-21ksoftirqd/321:25:243
18310995828,4cyclictest41-21ksoftirqd/322:30:143
18310995828,3cyclictest41-21ksoftirqd/322:20:003
18310995827,8cyclictest41-21ksoftirqd/323:50:173
18310995826,8cyclictest41-21ksoftirqd/319:25:173
18310995825,9cyclictest41-21ksoftirqd/322:10:243
18310995824,9cyclictest41-21ksoftirqd/320:00:193
18310995824,4cyclictest41-21ksoftirqd/322:55:183
18310995824,4cyclictest41-21ksoftirqd/321:45:143
1830899580,24cyclictest31882-21ssh23:55:261
138491580,50ptp4l0-21swapper/319:10:013
294032570,3sleep029405-21phc2sys21:40:210
18310995727,4cyclictest41-21ksoftirqd/319:20:133
18310995726,8cyclictest41-21ksoftirqd/323:10:173
18310995726,4cyclictest41-21ksoftirqd/319:35:003
18310995725,8cyclictest41-21ksoftirqd/322:15:253
18310995725,8cyclictest41-21ksoftirqd/319:35:173
1830899570,21cyclictest15630-21awk21:15:131
18310995627,8cyclictest41-21ksoftirqd/323:55:133
18310995627,4cyclictest41-21ksoftirqd/300:15:143
18310995527,8cyclictest41-21ksoftirqd/300:05:203
18310995526,8cyclictest41-21ksoftirqd/323:00:243
18310995522,9cyclictest41-21ksoftirqd/300:00:263
1830899551,19cyclictest18637-21perl00:35:151
1830899550,21cyclictest6983-21mailstats20:55:231
18310995428,4cyclictest41-21ksoftirqd/319:45:203
18310995423,8cyclictest41-21ksoftirqd/320:45:193
18310995327,4cyclictest41-21ksoftirqd/322:25:123
18310995224,8cyclictest41-21ksoftirqd/320:05:193
18307995230,18cyclictest9-21ksoftirqd/020:10:000
1831099515,8cyclictest41-21ksoftirqd/320:29:473
1831099504,8cyclictest41-21ksoftirqd/300:30:223
1831099503,8cyclictest41-21ksoftirqd/321:50:173
18310995020,4cyclictest41-21ksoftirqd/322:38:363
18310995017,7cyclictest41-21ksoftirqd/321:37:413
18310995017,7cyclictest41-21ksoftirqd/321:37:413
1831099500,48cyclictest401ktimersoftd/320:50:113
1831099496,7cyclictest41-21ksoftirqd/319:40:243
1831099495,8cyclictest41-21ksoftirqd/323:49:123
1831099495,8cyclictest41-21ksoftirqd/320:30:233
1831099494,9cyclictest41-21ksoftirqd/319:15:153
1831099492,7cyclictest41-21ksoftirqd/322:50:013
18307994931,16cyclictest9-21ksoftirqd/023:50:000
1831099485,8cyclictest41-21ksoftirqd/320:20:013
1831099485,8cyclictest41-21ksoftirqd/319:50:233
1831099485,8cyclictest41-21ksoftirqd/319:50:233
1831099485,7cyclictest41-21ksoftirqd/322:00:013
1831099480,7cyclictest41-21ksoftirqd/323:20:263
18309994816,4cyclictest33-21ksoftirqd/223:25:262
1831099474,8cyclictest41-21ksoftirqd/321:15:233
18310994719,9cyclictest41-21ksoftirqd/321:05:193
18310994719,4cyclictest41-21ksoftirqd/320:12:053
18309994736,3cyclictest33-21ksoftirqd/200:05:032
18309994712,10cyclictest33-21ksoftirqd/223:40:002
1830999470,10cyclictest33-21ksoftirqd/221:45:232
1831099464,8cyclictest41-21ksoftirqd/320:55:023
1831099464,4cyclictest41-21ksoftirqd/323:10:003
1831099463,8cyclictest41-21ksoftirqd/319:55:153
18310994629,8cyclictest41-21ksoftirqd/320:36:373
1831099462,2cyclictest121rcu_preempt00:20:143
1831099453,7cyclictest41-21ksoftirqd/321:10:133
18309994517,4cyclictest33-21ksoftirqd/221:40:122
18309994516,4cyclictest33-21ksoftirqd/223:50:122
18309994514,4cyclictest33-21ksoftirqd/200:20:002
50798440,2rtkit-daemon0-21swapper/200:33:332
1831099444,6cyclictest41-21ksoftirqd/320:21:483
1831099443,6cyclictest41-21ksoftirqd/320:43:173
18310994416,7cyclictest41-21ksoftirqd/321:04:273
18309994338,3cyclictest33-21ksoftirqd/222:55:012
18309994313,7cyclictest33-21ksoftirqd/222:25:222
18309994231,9cyclictest33-21ksoftirqd/221:35:222
18309994231,9cyclictest33-21ksoftirqd/221:35:222
18309994231,2cyclictest33-21ksoftirqd/221:50:192
18309994211,4cyclictest33-21ksoftirqd/219:35:222
18309994137,2cyclictest33-21ksoftirqd/223:00:022
18309994136,3cyclictest33-21ksoftirqd/219:29:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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