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2026-06-20 - 09:48
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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 Sat Jun 20, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87242690,0sleep60-21swapper/623:09:026
217882680,0sleep0111rcuc/022:35:320
217882680,0sleep0111rcuc/022:35:320
165952630,1sleep7721-21dbus-daemon22:58:067
59662590,0sleep10-21swapper/121:50:081
258062560,0sleep70-21swapper/723:17:447
208512550,1sleep230853-21kworker/u16:422:18:042
3126525327,8sleep40-21swapper/419:07:404
172652510,1sleep017264-21sshd22:19:460
110082510,0sleep40-21swapper/422:11:494
72372500,0sleep00-21swapper/022:55:420
3121024925,8sleep70-21swapper/719:06:557
3119524924,9sleep10-21swapper/119:06:411
3127424837,8sleep20-21swapper/219:07:462
3109924825,8sleep30-21swapper/319:05:233
220292480,0sleep70-21swapper/722:10:327
140752470,0sleep50-21swapper/522:48:195
104612470,0sleep00-21swapper/021:46:380
293412460,0sleep729337-21sshd21:43:497
309662450,0sleep730965-21sshd21:49:427
307412450,0sleep0111rcuc/023:58:300
167902450,0sleep10-21swapper/122:02:091
192102440,1sleep619202-21bash23:26:566
324242430,0sleep20-21swapper/223:43:022
3123924322,17sleep00-21swapper/019:07:200
139462430,0sleep50-21swapper/523:17:025
34252420,0sleep20-21swapper/200:06:332
3125724229,9sleep50-21swapper/519:07:335
286532420,0sleep00-21swapper/023:33:150
179292420,0sleep60-21swapper/623:44:026
70762410,0sleep70-21swapper/721:37:007
33652410,0sleep43142199cyclictest21:42:264
154362400,0sleep60-21swapper/623:30:406
154362400,0sleep60-21swapper/623:30:406
42552390,0sleep10-21swapper/122:03:131
3100823926,9sleep60-21swapper/619:04:066
86712380,0sleep00-21swapper/023:41:400
117152380,0sleep30-21swapper/300:08:503
159482360,0sleep40-21swapper/422:44:414
150842270,0sleep50-21swapper/522:10:065
3142199256,3cyclictest49-21ksoftirqd/423:19:584
31421992510,3cyclictest49-21ksoftirqd/421:56:484
3142199239,3cyclictest49-21ksoftirqd/421:49:184
3142199227,2cyclictest49-21ksoftirqd/422:17:394
3142199226,2cyclictest49-21ksoftirqd/423:54:274
3142199218,1cyclictest49-21ksoftirqd/423:03:004
3142199218,1cyclictest49-21ksoftirqd/400:24:104
3142199215,3cyclictest49-21ksoftirqd/421:45:584
3142199215,2cyclictest49-21ksoftirqd/423:00:204
31414992115,4cyclictest41-21ksoftirqd/321:41:163
3142199209,3cyclictest49-21ksoftirqd/421:22:484
3142199207,2cyclictest49-21ksoftirqd/421:28:374
3142199207,2cyclictest49-21ksoftirqd/421:28:374
3142199206,2cyclictest49-21ksoftirqd/422:57:114
3142199206,1cyclictest49-21ksoftirqd/423:12:104
3142199205,3cyclictest49-21ksoftirqd/421:21:364
3142199205,2cyclictest49-21ksoftirqd/423:29:384
3142199205,2cyclictest49-21ksoftirqd/423:29:384
31421992016,1cyclictest49-21ksoftirqd/423:43:024
31421992010,3cyclictest49-21ksoftirqd/423:40:104
116232200,0sleep40-21swapper/422:42:334
3142199198,1cyclictest49-21ksoftirqd/423:13:114
3142199197,2cyclictest49-21ksoftirqd/422:23:344
3142199195,3cyclictest49-21ksoftirqd/400:28:064
3142199194,2cyclictest49-21ksoftirqd/422:04:594
3142199193,1cyclictest49-21ksoftirqd/421:33:514
31421991915,3cyclictest49-21ksoftirqd/400:05:464
3141499199,1cyclictest41-21ksoftirqd/323:36:513
31414991916,3cyclictest41-21ksoftirqd/300:36:183
31414991915,3cyclictest41-21ksoftirqd/300:29:503
31414991915,1cyclictest41-21ksoftirqd/322:04:483
120952190,0sleep70-21swapper/722:42:367
3142199187,4cyclictest49-21ksoftirqd/400:09:044
3142199186,3cyclictest49-21ksoftirqd/422:30:014
3142199186,2cyclictest49-21ksoftirqd/422:37:394
3142199186,2cyclictest49-21ksoftirqd/422:37:394
3142199186,1cyclictest49-21ksoftirqd/400:33:504
3142199185,3cyclictest49-21ksoftirqd/423:34:044
3142199182,3cyclictest49-21ksoftirqd/421:58:174
3142199182,2cyclictest49-21ksoftirqd/421:16:564
31421991816,1cyclictest49-21ksoftirqd/421:08:234
31421991814,3cyclictest49-21ksoftirqd/422:48:314
31421991814,3cyclictest464-21systemd-journal22:18:174
3142199181,2cyclictest49-21ksoftirqd/400:16:264
3142199180,11cyclictest17732-21kworker/4:523:58:434
3141499184,2cyclictest41-21ksoftirqd/323:29:503
3141499184,2cyclictest41-21ksoftirqd/323:29:503
3141499183,3cyclictest41-21ksoftirqd/323:56:473
31414991816,1cyclictest41-21ksoftirqd/323:39:023
31414991816,1cyclictest41-21ksoftirqd/323:24:583
31414991816,1cyclictest41-21ksoftirqd/321:49:173
31414991816,1cyclictest41-21ksoftirqd/321:44:573
31414991815,3cyclictest41-21ksoftirqd/300:04:473
31412991814,3cyclictest33-21ksoftirqd/221:53:242
293032180,0sleep50-21swapper/521:11:515
115692180,0sleep50-21swapper/523:38:005
3142199174,3cyclictest49-21ksoftirqd/423:27:354
31421991715,1cyclictest49-21ksoftirqd/423:50:064
31421991712,2cyclictest49-21ksoftirqd/400:18:134
31421991712,2cyclictest49-21ksoftirqd/400:18:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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