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2025-12-16 - 13:50
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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 Tue Dec 16, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195392480,0sleep40-21swapper/411:25:304
179052470,0sleep60-21swapper/609:26:476
2257624634,8sleep00-21swapper/007:08:460
29242450,0sleep72926-21fschecks_time12:01:457
241622430,0sleep5561ktimersoftd/509:54:175
218732430,0sleep60-21swapper/610:46:326
200242430,1sleep020020-21systemd12:05:140
117362430,0sleep00-21swapper/009:58:130
2264824229,9sleep50-21swapper/507:09:475
2258824231,8sleep30-21swapper/307:08:573
2252924230,8sleep20-21swapper/207:08:082
23702410,0sleep70-21swapper/710:48:577
112412410,0sleep10-21swapper/109:58:061
267422400,0sleep40-21swapper/412:39:304
198902400,0sleep40-21swapper/408:56:504
198902400,0sleep40-21swapper/408:56:504
325552390,2sleep02291499cyclictest11:14:530
2257723928,8sleep10-21swapper/107:08:471
2253323927,8sleep60-21swapper/607:08:126
141262390,0sleep50-21swapper/511:57:105
117522390,0sleep20-21swapper/210:51:002
117522390,0sleep20-21swapper/210:51:002
2254323825,9sleep70-21swapper/707:08:217
2254023827,8sleep40-21swapper/407:08:184
209232380,0sleep60-21swapper/611:19:076
172732380,0sleep517272-21systemd-cgroups10:58:325
311382370,0sleep10-21swapper/110:35:061
267072300,0sleep70-21swapper/709:54:517
284872230,12chrt57-21ksoftirqd/509:15:575
22938992015,3cyclictest41-21ksoftirqd/310:32:493
22938991815,3cyclictest41-21ksoftirqd/309:35:263
22938991812,3cyclictest41-21ksoftirqd/311:39:383
22938991811,4cyclictest41-21ksoftirqd/311:54:083
22914991815,3cyclictest20044-21kworker/u16:411:52:460
22914991814,0cyclictest436-21kworker/u16:511:09:200
292792170,1sleep31-21systemd11:07:273
2295699170,17cyclictest0-21swapper/510:24:365
22930991712,3cyclictest33-21ksoftirqd/211:26:572
22914991712,3cyclictest10342-21kworker/0:010:53:060
22914991712,3cyclictest10342-21kworker/0:010:53:060
2294699160,2cyclictest25407-21bash09:54:344
22938991612,2cyclictest41-21ksoftirqd/309:32:363
22938991612,1cyclictest41-21ksoftirqd/309:01:333
22938991612,1cyclictest41-21ksoftirqd/309:01:333
22930991613,2cyclictest33-21ksoftirqd/211:17:442
2293099160,15cyclictest19839-21kworker/2:209:38:072
22914991614,1cyclictest1-21systemd11:35:310
149412160,0sleep10-21swapper/109:32:351
22965991513,1cyclictest65-21ksoftirqd/611:59:176
22946991510,5cyclictest0-21swapper/409:06:384
2293899159,4cyclictest41-21ksoftirqd/311:23:363
22938991514,1cyclictest41-21ksoftirqd/310:08:063
22938991513,1cyclictest41-21ksoftirqd/312:20:003
22938991513,1cyclictest41-21ksoftirqd/312:19:313
22938991513,1cyclictest41-21ksoftirqd/310:52:043
22938991513,1cyclictest41-21ksoftirqd/310:52:043
22938991513,1cyclictest41-21ksoftirqd/310:46:203
22938991513,1cyclictest41-21ksoftirqd/310:34:543
22938991513,1cyclictest41-21ksoftirqd/310:24:583
22938991513,1cyclictest41-21ksoftirqd/310:24:013
22938991513,1cyclictest41-21ksoftirqd/310:18:333
22938991512,2cyclictest41-21ksoftirqd/312:26:453
22938991512,1cyclictest41-21ksoftirqd/311:13:013
22938991511,3cyclictest41-21ksoftirqd/310:44:403
22930991513,2cyclictest33-21ksoftirqd/210:31:272
22914991514,0cyclictest18965-21kworker/u16:212:10:500
22914991513,2cyclictest9-21ksoftirqd/011:55:190
22914991513,2cyclictest13941-21kworker/0:207:15:280
22914991511,1cyclictest9-21ksoftirqd/010:26:200
2294699149,1cyclictest0-21swapper/409:15:374
2294699140,10cyclictest28724-21sshd09:48:344
2293899145,1cyclictest41-21ksoftirqd/309:50:463
22938991413,1cyclictest41-21ksoftirqd/310:11:153
22938991413,1cyclictest41-21ksoftirqd/309:41:223
22938991412,1cyclictest41-21ksoftirqd/312:34:593
22938991412,1cyclictest41-21ksoftirqd/312:06:563
22938991412,1cyclictest41-21ksoftirqd/311:41:263
22938991412,1cyclictest41-21ksoftirqd/311:15:073
22938991412,1cyclictest41-21ksoftirqd/310:58:593
22938991412,1cyclictest41-21ksoftirqd/310:00:143
22938991412,1cyclictest41-21ksoftirqd/309:27:573
22938991412,1cyclictest41-21ksoftirqd/309:11:403
22938991411,1cyclictest41-21ksoftirqd/309:17:553
22938991410,1cyclictest41-21ksoftirqd/311:55:093
22938991410,1cyclictest41-21ksoftirqd/311:26:123
2293899140,13cyclictest19359-21kworker/3:412:11:123
22930991412,1cyclictest33-21ksoftirqd/211:46:432
22930991412,1cyclictest33-21ksoftirqd/210:27:532
22930991412,1cyclictest33-21ksoftirqd/209:28:252
22930991411,2cyclictest33-21ksoftirqd/212:10:402
22914991413,1cyclictest9-21ksoftirqd/011:17:040
22914991413,0cyclictest26793-21kworker/u16:211:40:300
22914991412,2cyclictest6625-21kworker/u16:108:41:500
22914991412,2cyclictest27617-21kworker/0:109:47:220
22914991412,2cyclictest13941-21kworker/0:208:16:540
22914991412,1cyclictest9-21ksoftirqd/010:46:510
22914991412,1cyclictest9-21ksoftirqd/010:41:060
22914991412,1cyclictest9-21ksoftirqd/010:13:060
22914991412,1cyclictest9-21ksoftirqd/010:05:270
22914991412,1cyclictest9-21ksoftirqd/009:21:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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