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2026-06-27 - 11:50
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Sat Jun 27, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14479421540,1sleep0144792-21sshd-auth23:25:220
3964804993027,1cyclictest0-21swapper/323:30:003
3964804992724,1cyclictest0-21swapper/323:40:173
3964804992623,1cyclictest0-21swapper/321:20:003
3964804992522,1cyclictest0-21swapper/322:20:013
3964804992522,1cyclictest0-21swapper/300:20:013
3964804992421,1cyclictest0-21swapper/300:00:273
3964804992321,1cyclictest0-21swapper/323:40:013
3964804992219,1cyclictest0-21swapper/323:20:163
3964804992219,1cyclictest0-21swapper/321:40:133
3964804992219,1cyclictest0-21swapper/321:00:143
3964804992119,1cyclictest0-21swapper/300:20:123
3964804992118,1cyclictest0-21swapper/321:45:193
3964804992118,1cyclictest0-21swapper/321:25:173
3964804992118,1cyclictest0-21swapper/300:25:243
396480499211,14cyclictest4144902-21taskset21:25:013
3964804992018,1cyclictest0-21swapper/320:30:013
3964804992017,1cyclictest0-21swapper/323:50:143
3964804992017,1cyclictest0-21swapper/322:20:133
396480499201,15cyclictest115126-21taskset23:08:083
396480499201,14cyclictest4024688-21taskset19:54:553
396480499201,14cyclictest249559-21turbostat00:35:013
396480499201,14cyclictest107921-21taskset23:04:563
396480499201,13cyclictest4031122-21sleep20:04:553
396480499192,13cyclictest4005635-21taskset19:40:013
3964804991916,1cyclictest0-21swapper/323:45:193
3964804991916,1cyclictest0-21swapper/322:50:173
3964804991916,1cyclictest0-21swapper/321:55:153
3964804991916,1cyclictest0-21swapper/319:55:103
3964804991916,1cyclictest0-21swapper/319:20:083
396480499191,14cyclictest4167227-21taskset21:37:283
396480499191,14cyclictest4152995-21taskset21:30:143
396480499191,14cyclictest4050817-21taskset20:15:133
396480499191,14cyclictest3971069-21taskset19:14:033
396480499191,14cyclictest28093-21taskset22:11:313
396480499191,14cyclictest216985-21taskset00:12:073
396480499191,14cyclictest151478-21chrt23:30:183
396480499191,14cyclictest151478-21chrt23:30:183
396480499191,14cyclictest121582-21taskset23:10:253
396480499191,13cyclictest4115021-21chrt21:05:123
3964804991910,6cyclictest40829252sleep320:40:113
3964804991815,1cyclictest0-21swapper/322:45:193
3964804991815,1cyclictest0-21swapper/322:25:133
3964804991815,1cyclictest0-21swapper/321:10:463
396480499181,14cyclictest131125-21taskset23:19:113
396480499181,13cyclictest76321-21taskset22:44:353
396480499181,13cyclictest4107995-21taskset20:56:293
396480499181,13cyclictest4070468-21taskset20:30:163
396480499181,13cyclictest4063147-21taskset20:21:303
396480499181,13cyclictest3979515-21taskset19:17:203
396480499181,13cyclictest208116-21taskset00:05:253
396480499181,13cyclictest11997-21taskset22:00:323
396480499180,13cyclictest4076476-21taskset20:35:013
396480499178,6cyclictest594772sleep322:31:213
396480499171,13cyclictest98416-21taskset22:55:253
396480499171,13cyclictest68415-21taskset22:39:263
396480499171,12cyclictest4044360-21chrt20:10:123
396480499171,12cyclictest4043754-21taskset20:06:033
396480499171,12cyclictest4017949-21taskset19:45:463
396480499171,12cyclictest3992783-21taskset19:30:033
396480499171,12cyclictest3986874-21taskset19:25:183
396480499171,12cyclictest255854-21taskset00:35:453
396480499171,12cyclictest186909-21chrt23:55:113
396480499170,13cyclictest19224-21taskset22:05:223
41787742160,13sleep04180447-21tr21:45:190
3964804991614,1cyclictest0-21swapper/319:40:133
396480499161,12cyclictest4191477-21taskset21:54:063
396480499161,12cyclictest4089326-21taskset20:45:033
396480499160,13cyclictest4101530-21taskset20:50:493
1069042161,11sleep1106910-21ssh23:02:061
6756221511,2sleep014913-21kworker/0:2+kacpid22:36:590
41219122158,5sleep14122301-21irqcore21:10:161
39716672150,12sleep23972185-21kthreadcore19:15:032
2494522151,10sleep1249458-21ssh00:34:471
1342672150,2sleep1321rcuc/123:20:171
41504202141,9sleep14150513-21switchtime21:25:281
1567382140,6sleep0157632-21kthreadcore23:35:170
683542131,8sleep268360-21ssh22:39:092
435672131,9sleep143573-21ssh22:21:051
181652130,1sleep0221rcuc/022:05:180
1386132131,9sleep0138618-21sh23:23:090
921102120,9sleep292116-21ssh22:54:412
592862120,9sleep259292-21ssh22:30:522
436272120,4sleep243629-21ssh22:21:142
40443242121,6sleep24044357-21apt-get20:10:122
40302632120,9sleep04030346-21tr19:55:260
39701742120,9sleep13970218-21ld19:10:211
39586382121,5sleep13958636-21apt-get19:05:121
2072502120,9sleep1207841-21ssh00:05:211
756522111,7sleep275657-21sh22:42:432
49662110,8sleep14972-21ssh21:58:031
41941352111,7sleep21879-21kthreadcore21:55:202
40310772110,8sleep11109-21cron20:00:001
40130542110,2sleep1321rcuc/119:45:161
39700322110,3sleep03970172-21ntpq19:10:190
363792110,2sleep00-21swapper/022:17:500
296572112,5sleep129661-21ssh22:15:101
2270642117,2sleep10-21swapper/100:20:161
2245762110,3sleep1222-21plymouthd00:16:191
1764312111,7sleep1176474-21ntpq23:45:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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