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2025-12-01 - 21:56
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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 Dec 01, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94582920,2sleep61579199cyclictest09:09:096
180792880,2sleep11575199cyclictest09:05:201
202122700,0sleep40-21swapper/406:59:194
320952510,0sleep20-21swapper/211:13:272
1544725026,8sleep30-21swapper/306:51:503
1538524925,9sleep00-21swapper/006:50:590
1312724925,8sleep70-21swapper/706:49:067
132062470,1sleep313208-21kworker/u16:109:25:083
220832420,0sleep30-21swapper/310:52:053
1558624129,8sleep60-21swapper/606:53:466
3362400,0sleep60-21swapper/610:18:536
306012400,0sleep00-21swapper/010:18:310
216732400,1sleep321579-21sshd12:14:143
207842400,0sleep30-21swapper/309:56:553
1549924029,8sleep10-21swapper/106:52:361
154472400,0sleep30-21swapper/311:05:513
1538724029,8sleep20-21swapper/206:51:012
1528324027,9sleep50-21swapper/506:49:365
1530423927,8sleep40-21swapper/406:49:514
123872380,0sleep00-21swapper/011:34:550
180262320,1sleep557-21ksoftirqd/511:06:175
1579999218,11cyclictest9624-21bash10:19:597
1578499214,5cyclictest26307-21sshd08:54:515
239112190,0sleep20-21swapper/209:57:262
1579999198,5cyclictest0-21swapper/709:58:317
1579999198,5cyclictest0-21swapper/708:00:557
1579999198,0cyclictest0-21swapper/711:02:357
1579999191,6cyclictest0-21swapper/711:08:417
1579999191,6cyclictest0-21swapper/707:03:007
1579999187,5cyclictest0-21swapper/707:55:457
1579999180,6cyclictest0-21swapper/707:27:307
1578499187,11cyclictest0-21swapper/510:38:595
319272170,0sleep40-21swapper/411:48:204
1579999177,9cyclictest8680-21bash11:09:387
1579999176,5cyclictest0-21swapper/707:04:267
1579999176,0cyclictest0-21swapper/706:55:107
15799991712,5cyclictest0-21swapper/708:24:457
15799991712,5cyclictest0-21swapper/707:30:587
15799991712,5cyclictest0-21swapper/707:18:267
1579999170,6cyclictest0-21swapper/709:19:157
1576699179,5cyclictest41-21ksoftirqd/311:24:383
15766991716,1cyclictest18463-21kworker/3:209:38:193
15766991716,1cyclictest11630-21kworker/3:112:22:393
15766991715,1cyclictest41-21ksoftirqd/312:07:433
15766991714,1cyclictest41-21ksoftirqd/312:12:433
260242160,1sleep09-21ksoftirqd/011:47:280
1579999166,0cyclictest0-21swapper/709:16:397
1579999165,5cyclictest0-21swapper/709:49:217
1579999165,0cyclictest0-21swapper/708:22:117
1579999165,0cyclictest0-21swapper/707:35:107
1579999165,0cyclictest0-21swapper/707:12:167
1579999164,1cyclictest21816-21httpd07:19:267
15799991611,5cyclictest0-21swapper/710:31:437
15799991611,0cyclictest0-21swapper/708:45:177
15799991611,0cyclictest0-21swapper/708:45:177
15766991615,1cyclictest11413-21kworker/3:109:18:553
15766991614,1cyclictest41-21ksoftirqd/311:44:193
15766991613,2cyclictest41-21ksoftirqd/310:32:483
79622150,0sleep10-21swapper/110:24:401
70012150,0sleep2321ktimersoftd/209:49:262
36332150,1sleep43634-21bash12:07:114
280842150,1sleep665-21ksoftirqd/610:32:466
1579999154,5cyclictest0-21swapper/711:28:357
15799991511,0cyclictest0-21swapper/708:06:037
15799991510,0cyclictest0-21swapper/711:46:537
1579999150,9cyclictest0-21swapper/711:34:457
1579999150,9cyclictest0-21swapper/708:59:177
1579999150,9cyclictest0-21swapper/708:56:017
1579999150,3cyclictest0-21swapper/710:50:457
1579999150,13cyclictest12688-21sshd10:40:237
1579999150,13cyclictest12688-21sshd10:40:237
1578499154,11cyclictest0-21swapper/509:44:455
15766991514,1cyclictest41-21ksoftirqd/309:13:063
15766991514,1cyclictest27349-21kworker/3:210:00:213
15766991513,1cyclictest41-21ksoftirqd/312:01:323
257872140,0sleep70-21swapper/712:01:057
1579999148,5cyclictest0-21swapper/710:55:477
1579999144,4cyclictest5534-21systemd-cgroups12:07:277
1579999142,6cyclictest0-21swapper/712:20:057
1579999142,6cyclictest0-21swapper/711:50:417
1579999142,6cyclictest0-21swapper/710:36:057
1579999142,6cyclictest0-21swapper/709:13:577
1579999140,8cyclictest0-21swapper/710:44:537
1579999140,8cyclictest0-21swapper/709:30:117
1579999140,10cyclictest0-21swapper/710:00:037
15766991414,0cyclictest6496-21kworker/3:108:32:073
15766991414,0cyclictest4761-21kworker/3:409:32:473
15766991413,1cyclictest41-21ksoftirqd/310:34:163
15766991413,1cyclictest41-21ksoftirqd/309:04:223
15766991413,1cyclictest13854-21kworker/3:010:45:553
15766991412,2cyclictest41-21ksoftirqd/311:36:263
15766991412,1cyclictest41-21ksoftirqd/311:50:263
15766991412,1cyclictest41-21ksoftirqd/311:42:073
15766991412,1cyclictest41-21ksoftirqd/311:22:003
15766991412,1cyclictest41-21ksoftirqd/309:49:163
15766991411,1cyclictest41-21ksoftirqd/309:47:353
15766991411,1cyclictest41-21ksoftirqd/308:54:453
75312130,0sleep60-21swapper/610:34:226
70642130,0sleep50-21swapper/512:16:495
60662130,0sleep70-21swapper/709:44:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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