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2026-04-07 - 17:49
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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 100 highest latencies:
System rack7slot2.osadl.org (updated Tue Apr 07, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28154899126113,5cyclictest481738-21kworker/u4:1+events_unbound12:30:000
2815489911299,6cyclictest328388-21kworker/u4:3+events_unbound09:34:310
2815489910083,7cyclictest460274-21kworker/u4:0+events_unbound11:59:550
281550999890,5cyclictest416750-21kworker/u4:2+events_unbound11:14:501
281548999891,5cyclictest385608-21kworker/u4:10+events_unbound10:49:460
281548999890,6cyclictest332912-21kworker/u4:2+events_unbound09:54:340
281550999689,5cyclictest282765-21kworker/u4:5+events_unbound07:49:161
281548999588,5cyclictest359448-21kworker/u4:12+events_unbound10:09:370
281550999285,5cyclictest319340-21kworker/u4:4+events_unbound09:19:311
281550999285,5cyclictest319340-21kworker/u4:4+events_unbound09:19:301
281548999285,5cyclictest434455-21kworker/u4:6+events_unbound11:34:550
281548999285,5cyclictest434455-21kworker/u4:6+events_unbound11:34:540
281548999284,6cyclictest455858-21kworker/u4:11+events_unbound12:04:570
281548999183,6cyclictest342023-21kworker/u4:7+events_unbound09:44:320
281550998780,5cyclictest385608-21kworker/u4:10+events_unbound11:04:491
281548998570,5cyclictest416750-21kworker/u4:2+events_unbound11:09:510
281550998073,5cyclictest284036-21kworker/u4:15+events_unbound09:09:271
281550998072,6cyclictest299538-21kworker/u4:17+events_unbound08:19:201
281550997971,5cyclictest363935-21kworker/u4:4+events_unbound10:29:421
281550997970,7cyclictest464720-21kworker/u4:3+events_unbound12:20:001
281550997865,5cyclictest294342-21kworker/u4:3+events_unbound08:24:211
281550997668,6cyclictest311146-21kworker/u4:1+events_unbound09:14:291
281550997568,5cyclictest372846-21kworker/u4:2+events_unbound10:19:421
281550997568,5cyclictest372846-21kworker/u4:2+events_unbound10:19:411
281550997555,12cyclictest343686-21modprobe09:45:001
281548997568,5cyclictest469120-21kworker/u4:8+events_unbound12:09:580
281548997567,6cyclictest294343-21kworker/u4:7+events_unbound08:09:190
281550997467,5cyclictest282767-21kworker/u4:13+events_unbound07:15:011
281548997365,6cyclictest385608-21kworker/u4:10+events_unbound10:54:480
281550997259,5cyclictest282766-21kworker/u4:12+events_unbound07:39:161
281550997063,5cyclictest295642-21kworker/u4:10+events_unbound08:34:211
281548996855,5cyclictest328386-21kworker/u4:1+events_unbound09:39:320
281550996761,4cyclictest280268-21kworker/u4:11+events_unbound07:19:131
281550996759,6cyclictest300847-21kworker/u4:19+events_unbound08:59:271
281548996761,4cyclictest293072-21kworker/u4:0+events_unbound07:55:010
281550996653,5cyclictest295642-21kworker/u4:10+events_unbound08:04:181
281548996647,7cyclictest385608-21kworker/u4:10+events_unbound11:15:350
281550996456,6cyclictest284035-21kworker/u4:14+events_unbound08:14:211
281550996449,6cyclictest469120-21kworker/u4:8+events_unbound12:11:411
281548996445,5cyclictest346514-21kworker/u4:1+events_unbound10:05:000
281550996356,5cyclictest377336-21kworker/u4:7+events_unbound10:24:401
281550996242,9cyclictest323865-21kworker/u4:7+events_unbound09:23:321
281550996154,5cyclictest432656-21ld11:25:291
281548996153,6cyclictest346514-21kworker/u4:1+events_unbound09:49:330
281550996052,6cyclictest300847-21kworker/u4:19+events_unbound08:49:241
281550996052,5cyclictest282766-21kworker/u4:12+events_unbound07:44:161
281550996044,7cyclictest455858-21kworker/u4:11+events_unbound11:56:001
281548996053,5cyclictest434455-21kworker/u4:6+events_unbound11:29:530
281550995952,5cyclictest407851-21kworker/u4:3+events_unbound10:59:491
281548995945,6cyclictest429430-21kworker/u4:5+events_unbound11:36:590
281550995845,8cyclictest0-21swapper/111:05:321
281548995851,4cyclictest0-21swapper/012:15:130
281548995841,15cyclictest405740-21aten2__10:55:160
281550995745,9cyclictest310773-21ps09:00:351
281548995747,8cyclictest383285-21sshd10:29:410
281550995649,5cyclictest395143-21kworker/u4:0+events_unbound10:43:011
281548995549,4cyclictest233126-21kworker/u4:4+events_unbound07:24:140
281548995548,5cyclictest412330-21kworker/u4:9+events_unbound11:04:570
281550995346,5cyclictest447033-21kworker/u4:3+events_unbound11:42:591
281550995339,5cyclictest447035-21kworker/u4:7+events_unbound11:51:001
281548995346,5cyclictest318227-21grep09:15:360
281548995346,5cyclictest318227-21grep09:15:360
281548995342,5cyclictest469122-21kworker/u4:12+events_unbound12:25:010
281548995336,5cyclictest451446-21kworker/u4:0+events_unbound11:49:530
281548995333,17cyclictest0-21swapper/010:30:330
281548995331,6cyclictest359448-21kworker/u4:12+events_unbound10:10:040
281550995245,5cyclictest332912-21kworker/u4:2+events_unbound09:36:001
281550995241,9cyclictest467865-21timerwakeupswit12:05:391
281550995236,9cyclictest0-21swapper/111:35:371
281550995233,7cyclictest300847-21kworker/u4:19+events_unbound08:50:581
281548995245,5cyclictest492417-21munin-run12:35:000
281548995238,9cyclictest496869-21cat12:40:020
281548995230,20cyclictest454697-21switchtime11:50:380
28155099514,31cyclictest489212-21ntpq12:30:331
281550995142,7cyclictest286612-21kworker/u4:8+events_unbound08:10:001
281550995142,6cyclictest304323-21sendmail_mailqu08:35:351
281550995140,9cyclictest496792-21sshd12:40:011
281550995136,12cyclictest484442-21fschecks_time12:25:211
281550995042,6cyclictest337456-21kworker/u4:0+events_unbound09:58:421
281548995032,6cyclictest385608-21kworker/u4:10+events_unbound11:11:590
28154899502,37cyclictest353582-21ntpq09:55:240
281550994941,6cyclictest280268-21kworker/u4:11+events_unbound07:23:041
281550994936,9cyclictest0-21swapper/108:45:001
281548994942,5cyclictest392277-21basename10:40:010
281548994942,5cyclictest326673-21gltestperf09:25:200
281548994940,6cyclictest294415-21sendmail08:00:000
281548994840,5cyclictest378774-21sh10:24:290
281548994840,5cyclictest290623-21latency_hist07:45:010
281548994839,5cyclictest428223-21/usr/sbin/munin11:20:230
281548994838,8cyclictest393535-21open_inodes10:40:410
281548994837,8cyclictest308648-21apt-key08:55:020
281548994835,6cyclictest282765-21kworker/u4:5+events_unbound07:48:000
28155099474,31cyclictest367064-21sh10:10:321
281550994741,4cyclictest331657-21switchtime09:30:371
281550994740,5cyclictest440317-21munin-run11:35:001
281550994740,5cyclictest440317-21munin-run11:35:001
281550994737,7cyclictest390758-21sshd10:37:411
281550994734,9cyclictest292897-21timerwakeupswit07:50:361
281548994739,5cyclictest307156-21unixbench_multi08:45:380
281548994737,8cyclictest313394-21/usr/sbin/munin09:10:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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