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2026-09-04 - 12:00
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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 Fri Sep 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363569721040,2sleep20-21swapper/222:30:242
3348655992623,1cyclictest0-21swapper/319:20:203
3348655992522,1cyclictest0-21swapper/323:40:233
3348655992522,1cyclictest0-21swapper/320:45:013
3348655992421,1cyclictest0-21swapper/322:40:003
3348655992321,0cyclictest0-21swapper/321:50:213
3348655992320,1cyclictest0-21swapper/322:40:203
3348655992320,1cyclictest0-21swapper/322:20:143
3348655992320,1cyclictest0-21swapper/321:40:003
3348655992320,1cyclictest0-21swapper/321:00:213
3348655992311,8cyclictest3446922-21turbostat20:25:003
334865599231,16cyclictest3455439-21taskset20:30:173
3348655992219,1cyclictest0-21swapper/323:05:003
3348655992213,6cyclictest3669109-21turbostat22:55:013
3348655992119,1cyclictest0-21swapper/321:24:593
3348655992118,1cyclictest0-21swapper/321:40:113
3348655992112,7cyclictest3412741-21chrt19:55:213
334865599202,14cyclictest3389527-21chrt19:40:143
3348655992017,1cyclictest0-21swapper/322:30:003
3348655992017,1cyclictest0-21swapper/300:15:143
3348655992017,1cyclictest0-21swapper/300:00:253
334865599201,15cyclictest3583360-21taskset22:00:063
334865599192,14cyclictest3727627-21taskset23:30:223
3348655991916,1cyclictest0-21swapper/323:55:303
3348655991916,1cyclictest0-21swapper/323:21:083
3348655991916,1cyclictest0-21swapper/323:15:003
3348655991916,1cyclictest0-21swapper/321:30:003
334865599191,14cyclictest3762707-21taskset23:53:513
334865599191,14cyclictest3722599-21taskset23:26:023
334865599191,13cyclictest3606852-21taskset22:15:003
3348655991816,1cyclictest0-21swapper/321:30:233
3348655991816,1cyclictest0-21swapper/321:10:163
3348655991816,1cyclictest0-21swapper/320:07:553
3348655991816,1cyclictest0-21swapper/319:40:003
3348655991815,1cyclictest0-21swapper/323:36:293
3348655991815,1cyclictest0-21swapper/321:20:013
3348655991815,1cyclictest0-21swapper/320:40:013
3348655991815,1cyclictest0-21swapper/300:35:233
3348655991815,1cyclictest0-21swapper/300:30:063
3348655991815,1cyclictest0-21swapper/300:25:133
3348655991815,1cyclictest0-21swapper/300:20:123
3348655991815,1cyclictest0-21swapper/300:05:123
334865599181,13cyclictest3691393-21taskset23:06:293
334865599181,13cyclictest3659756-21taskset22:45:323
334865599181,13cyclictest3563026-21taskset21:45:183
334865599181,13cyclictest3498516-21chrt21:05:093
334865599181,13cyclictest3473350-21taskset20:45:163
334865599181,13cyclictest3452430-21taskset20:25:233
334865599181,13cyclictest3433855-21taskset20:12:213
334865599181,13cyclictest3433855-21taskset20:12:203
334865599181,13cyclictest3402044-21taskset19:49:563
334865599180,14cyclictest3491807-21turbostat21:00:013
36553302171,3sleep00-21swapper/022:45:180
35353042178,3sleep134-21ksoftirqd/121:28:011
3348655991715,1cyclictest0-21swapper/320:15:183
3348655991714,1cyclictest0-21swapper/322:55:533
3348655991714,1cyclictest0-21swapper/320:00:093
334865599171,13cyclictest3753809-21taskset23:45:473
334865599171,13cyclictest3637303-21taskset22:33:093
334865599171,12cyclictest3792188-21taskset00:10:203
334865599171,12cyclictest3700741-21taskset23:15:033
334865599171,12cyclictest3599178-21chrt22:10:163
334865599171,12cyclictest3598799-21taskset22:09:563
334865599171,12cyclictest3575460-21taskset21:55:053
334865599171,12cyclictest3357423-21chrt19:15:123
334865599168,6cyclictest33826912sleep319:33:413
3348655991614,1cyclictest0-21swapper/320:50:213
3348655991613,1cyclictest0-21swapper/319:50:123
3348655991613,1cyclictest0-21swapper/319:10:123
334865599161,12cyclictest3370274-21taskset19:25:023
38261582150,7sleep2222-21plymouthd00:35:132
37470802151,10sleep23747086-21ssh23:43:542
35142132141,3sleep13515656-21kthreadcore21:15:181
33484072140,2sleep30-21swapper/319:08:353
37100582139,2sleep13710955-21tr23:20:201
35730112130,9sleep13573059-21ntpq21:50:271
35495162135,5sleep244-21ksoftirqd/221:35:242
38174192120,9sleep13817424-21sh00:28:271
37660492122,4sleep2171rcu_preempt23:55:212
37022252120,9sleep23703687-21tr23:15:192
36527932120,9sleep03652799-21ssh22:42:570
36304552120,4sleep0222-21plymouthd22:30:150
33949822120,8sleep13389263-21sendmail-msp19:40:281
33783492121,8sleep23380079-21kthreadcore19:30:202
33767252121,9sleep00-21swapper/019:30:120
38090482110,8sleep23809054-21ssh00:21:472
37968512111,7sleep03798479-21tr00:15:180
37871882110,3sleep1222-21plymouthd00:10:151
37772432110,4sleep134-21ksoftirqd/100:00:371
37548832112,7sleep23681636-21kworker/u16:0+xprtiod23:48:512
37460862110,3sleep13746092-21ssh23:41:041
37376412110,8sleep23737767-21cat23:35:282
37305762110,4sleep23730582-21ssh23:31:422
36601372111,7sleep23660143-21ssh22:46:412
36241002110,8sleep13625009-21cat22:25:191
36069522112,5sleep13606947-21apt-get22:15:121
36051932110,4sleep03605199-21ssh22:10:580
35603622110,8sleep0222-21plymouthd21:45:150
35595492111,2sleep0222-21plymouthd21:45:000
35263012111,3sleep03526382-21find21:20:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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