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2025-12-19 - 19:15
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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 Fri Dec 19, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48222820,2sleep51667999cyclictest09:34:495
67102650,0sleep10-21swapper/110:25:061
1620624926,8sleep20-21swapper/207:06:252
1637924825,8sleep50-21swapper/507:08:455
172502450,2sleep1241ktimersoftd/111:03:421
230052430,0sleep10-21swapper/111:19:281
142832420,0sleep70-21swapper/709:44:047
95512410,0sleep60-21swapper/611:52:166
228552410,0sleep50-21swapper/509:31:215
182512410,0sleep30-21swapper/309:51:533
1633624128,9sleep70-21swapper/707:08:147
1620824028,9sleep40-21swapper/407:06:274
174882390,0sleep20-21swapper/209:37:262
1641723928,8sleep30-21swapper/307:09:153
1623123925,10sleep00-21swapper/007:06:470
1614323927,9sleep60-21swapper/607:05:336
1397123926,9sleep10-21swapper/107:04:481
128752390,0sleep70-21swapper/710:05:027
173692380,0sleep40-21swapper/409:23:114
1669199218,3cyclictest65-21ksoftirqd/610:31:166
1667399206,1cyclictest49-21ksoftirqd/412:28:514
16673991914,3cyclictest49-21ksoftirqd/411:05:004
16691991812,4cyclictest65-21ksoftirqd/609:29:066
1667399189,2cyclictest49-21ksoftirqd/410:19:164
16673991813,3cyclictest49-21ksoftirqd/412:05:484
16673991812,4cyclictest49-21ksoftirqd/411:11:164
16691991712,3cyclictest65-21ksoftirqd/609:23:296
16691991711,3cyclictest65-21ksoftirqd/611:28:266
1667399179,4cyclictest49-21ksoftirqd/411:41:124
16673991714,3cyclictest49-21ksoftirqd/410:42:104
16673991714,3cyclictest49-21ksoftirqd/409:58:574
16673991713,1cyclictest49-21ksoftirqd/412:11:124
16673991712,4cyclictest49-21ksoftirqd/411:45:404
16673991712,3cyclictest49-21ksoftirqd/410:33:074
16673991711,4cyclictest49-21ksoftirqd/409:25:084
91372160,1sleep6641ktimersoftd/609:35:226
1669199163,5cyclictest65-21ksoftirqd/611:06:236
16691991615,1cyclictest65-21ksoftirqd/610:44:176
16691991613,3cyclictest65-21ksoftirqd/611:39:096
16691991612,3cyclictest65-21ksoftirqd/612:22:126
1669199161,3cyclictest121rcu_preempt11:41:116
1667399167,2cyclictest49-21ksoftirqd/410:45:234
1667399166,3cyclictest49-21ksoftirqd/412:22:334
1667399166,3cyclictest49-21ksoftirqd/410:55:574
1667399165,3cyclictest49-21ksoftirqd/411:38:174
16673991614,1cyclictest49-21ksoftirqd/411:01:084
16673991614,1cyclictest49-21ksoftirqd/410:52:244
16673991614,1cyclictest49-21ksoftirqd/410:20:064
16673991614,1cyclictest49-21ksoftirqd/409:45:074
16673991613,1cyclictest49-21ksoftirqd/411:58:284
16673991612,1cyclictest49-21ksoftirqd/409:18:564
16673991612,1cyclictest49-21ksoftirqd/409:18:564
16673991611,3cyclictest49-21ksoftirqd/412:30:584
1667399160,2cyclictest121rcu_preempt10:12:084
1667399160,2cyclictest121rcu_preempt10:12:084
116182160,1sleep341-21ksoftirqd/309:35:593
41562150,0sleep60-21swapper/609:55:486
16698991513,1cyclictest28999-21systemd11:49:397
1669199155,4cyclictest65-21ksoftirqd/611:19:036
16691991513,1cyclictest65-21ksoftirqd/612:03:516
16691991512,3cyclictest65-21ksoftirqd/609:39:516
1669199150,14cyclictest13685-21kworker/6:210:35:006
1667999150,14cyclictest0-21swapper/512:13:175
1667399154,1cyclictest49-21ksoftirqd/410:37:334
1667399153,2cyclictest49-21ksoftirqd/411:16:344
16673991514,1cyclictest8206-21kworker/4:207:11:434
16673991514,1cyclictest8206-21kworker/4:207:11:434
16673991514,1cyclictest49-21ksoftirqd/412:00:064
16673991513,1cyclictest49-21ksoftirqd/412:14:484
16673991513,1cyclictest49-21ksoftirqd/411:23:504
16673991513,1cyclictest49-21ksoftirqd/409:35:074
16673991513,1cyclictest49-21ksoftirqd/409:10:394
16673991513,1cyclictest49-21ksoftirqd/409:10:394
16673991512,1cyclictest49-21ksoftirqd/411:29:294
1666599159,2cyclictest19132-21systemd12:09:043
141462150,0sleep30-21swapper/311:24:433
1669199143,2cyclictest65-21ksoftirqd/610:56:396
16691991413,1cyclictest65-21ksoftirqd/612:19:466
16691991412,1cyclictest65-21ksoftirqd/612:37:416
16691991412,1cyclictest65-21ksoftirqd/611:56:096
16691991412,1cyclictest65-21ksoftirqd/610:23:566
16691991412,1cyclictest65-21ksoftirqd/609:14:406
16691991412,1cyclictest65-21ksoftirqd/609:14:406
16691991411,1cyclictest65-21ksoftirqd/610:50:016
1669199141,2cyclictest65-21ksoftirqd/609:50:326
1667999140,0cyclictest0-21swapper/512:30:185
1667399148,4cyclictest49-21ksoftirqd/410:25:544
1667399144,3cyclictest49-21ksoftirqd/409:42:124
16673991414,0cyclictest8206-21kworker/4:207:39:274
16673991413,1cyclictest49-21ksoftirqd/411:51:564
16673991413,1cyclictest49-21ksoftirqd/410:09:364
16673991412,1cyclictest49-21ksoftirqd/412:35:574
16673991412,1cyclictest49-21ksoftirqd/411:31:284
16673991412,1cyclictest49-21ksoftirqd/409:32:264
16673991410,3cyclictest49-21ksoftirqd/410:00:244
1667399140,2cyclictest49-21ksoftirqd/409:50:424
16641991411,2cyclictest691-21systemd-logind10:04:300
19122130,0sleep30-21swapper/310:02:423
1669199139,2cyclictest65-21ksoftirqd/610:13:026
1669199139,2cyclictest65-21ksoftirqd/610:13:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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