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2025-12-24 - 15:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Wed Dec 24, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37104359911986,15cyclictest53-21kswapd010:30:090
37104379911196,13cyclictest3831256-21kworker/u4:5+events_unbound11:00:271
3710435999083,5cyclictest3711653-21kworker/u4:3+events_unbound08:00:040
3710435999082,6cyclictest3718045-21kworker/u4:0+events_unbound07:50:030
3710435998982,5cyclictest3718045-21kworker/u4:0+events_unbound08:10:060
3710437998477,5cyclictest3881437-21kworker/u4:7+events_unbound12:00:011
3710437998069,7cyclictest3801000-21sh10:20:371
3710437997421,27cyclictest3814899-21kworker/u4:1-rpciod10:55:401
3710437997327,26cyclictest0-21swapper/111:40:371
371043799712,43cyclictest3906662-21ssh12:27:261
3710435997142,18cyclictest53-21kswapd010:10:200
3710437997025,26cyclictest0-21swapper/112:00:301
3710435997058,6cyclictest25650irq/23-42890000.ethernet07:10:000
3710437996960,7cyclictest3735941-21kworker/u4:1+events_unbound09:05:141
371043799692,16cyclictest3724646-21apt-get08:05:121
3710437996854,8cyclictest0-21swapper/109:10:341
3710437996818,31cyclictest3891925-21aten_r7power_vo12:10:181
3710437996750,12cyclictest3783075-21modprobe10:00:011
3710437996742,23cyclictest3783586-21cut10:00:191
3710437996737,27cyclictest521-21in:imuxsock12:15:251
371043799672,39cyclictest3755586-21ssh09:25:491
3710435996761,5cyclictest3723151-21kworker/u4:12+events_unbound08:17:010
3710437996636,27cyclictest3854353-21aten_r7power_po11:25:161
371043799663,60cyclictest3767676-21ps09:40:381
3710437996632,27cyclictest0-21swapper/112:05:311
3710437996631,31cyclictest3735722-21timerandwakeup08:45:391
371043799662,13cyclictest3732895-21ntpq08:35:271
3710437996612,33cyclictest3759398-21mailstats09:30:391
3710437996557,6cyclictest3902116-21kworker/u4:0+events_unbound12:35:411
3710437996557,6cyclictest3902116-21kworker/u4:0+events_unbound12:35:411
371043799653,57cyclictest1058-21snmpd08:50:301
371043799652,13cyclictest3772748-21ssh09:46:351
371043799651,43cyclictest3903813-21ssh12:24:421
371043799641,14cyclictest3788362-21ntpq10:05:281
371043799633,55cyclictest3859350-21ps11:30:401
3710437996329,31cyclictest3812246-21latency_hist10:35:021
3710437996314,30cyclictest3852853-21ssh11:23:121
3710435996326,30cyclictest25650irq/23-42890000.ethernet09:35:110
3710435996326,30cyclictest25650irq/23-42890000.ethernet09:35:110
371043799623,53cyclictest3711147-21sed07:10:231
3710437996233,26cyclictest0-21swapper/109:35:441
3710437996233,26cyclictest0-21swapper/109:35:441
371043799621,56cyclictest3817378-21ssh10:40:261
3710437996132,26cyclictest3711661-21kworker/u4:9-rpciod07:30:201
3710437996130,28cyclictest3723185-21apt08:00:021
3710437996130,26cyclictest3724444-21kworker/u4:14+rpciod08:40:161
3710437996129,29cyclictest0-21swapper/111:15:151
3710437996128,29cyclictest0-21swapper/110:45:301
3710437996126,32cyclictest0-21swapper/107:40:021
3710437996112,28cyclictest3840225-21ssh11:07:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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