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2026-06-16 - 13:28
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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, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Tue Jun 16, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
585521090,0sleep50-21swapper/500:11:095
11958391010,0EcMasterDemoSyn1196829tAtEmLog_022:27:285
25502960,3sleep30-21swapper/321:10:423
2136839830,0EcMasterDemoSyn2137829tAtEmLog_021:57:025
741339820,0EcMasterDemoSyn742329tAtEmLog_020:15:375
2106739820,0EcMasterDemoSyn2107729tAtEmLog_022:32:325
2106739820,0EcMasterDemoSyn2107729tAtEmLog_022:32:315
678639810,0EcMasterDemoSyn679629tAtEmLog_019:09:415
2801639810,0EcMasterDemoSyn2802629tAtEmLog_000:24:065
1626039810,0EcMasterDemoSyn1627029tAtEmLog_019:29:595
1096939810,0EcMasterDemoSyn1097929tAtEmLog_023:38:275
2900539800,0EcMasterDemoSyn2901529tAtEmLog_021:01:155
2975339770,0EcMasterDemoSyn0-21swapper/520:00:235
1568539330,1EcMasterDemoSyn15693-21grep23:23:150
6913992825,2cyclictest32136-21kworker/1:1+events21:16:501
2396739250,0EcMasterDemoSyn0-21swapper/120:51:071
6917992220,2cyclictest31895-21kworker/2:2+events20:40:592
6917992220,2cyclictest31895-21kworker/2:2+events20:40:582
6910992220,2cyclictest23050irq/32-nvkm00:01:050
43432210,1sleep350-21ksoftirqd/322:40:493
6925992017,2cyclictest31894-21kworker/4:0+events21:42:064
6917992017,2cyclictest31895-21kworker/2:2+events20:47:032
6917991815,2cyclictest31895-21kworker/2:2+events21:43:202
6917991815,2cyclictest31895-21kworker/2:2+events20:58:142
691099180,14cyclictest24782-21sh22:52:170
691099180,10cyclictest19345-21sh23:43:010
2901529180,15tAtEmLog_031384-21taskset21:06:025
1892829180,15tAtEmLog_020781-21taskset19:37:335
692599179,6cyclictest1-21systemd22:05:004
6925991714,2cyclictest31894-21kworker/4:0+events20:04:034
6921991712,2cyclictest28128-21kworker/3:1+events21:44:263
6917991714,2cyclictest31895-21kworker/2:2+events22:12:172
6913991713,3cyclictest32136-21kworker/1:1+events22:57:211
691099175,8cyclictest755-21postgres22:12:170
691099170,9cyclictest780-21runrttasks22:27:510
691099170,9cyclictest780-21runrttasks19:59:330
691099170,14cyclictest780-21runrttasks22:44:360
691099170,14cyclictest780-21runrttasks19:54:350
469999170,10tDemoTimingTask6208-21taskset00:30:015
979839160,0EcMasterDemoSyn0-21swapper/520:20:425
6921991613,2cyclictest28128-21kworker/3:1+events00:33:243
6921991612,3cyclictest2357-21cron00:09:593
691799160,9cyclictest19572-21diskmemload23:07:172
691799160,10cyclictest21711-21sh21:39:592
691799160,10cyclictest1861650latency_hist19:34:592
691399164,9cyclictest720-21ntpd23:15:171
691399164,8cyclictest1702-21basename20:05:181
691099163,8cyclictest25347-21interrupts20:55:170
6910991614,2cyclictest23050irq/32-nvkm21:28:390
691099160,9cyclictest780-21runrttasks00:35:060
691099160,6cyclictest780-21runrttasks20:51:560
691099160,13cyclictest780-21runrttasks21:06:500
691099160,13cyclictest24762-21ssh21:40:460
691099160,13cyclictest10804-21sh23:55:520
691099160,13cyclictest10804-21sh23:55:520
691099160,10cyclictest174-1kworker/0:1H+kblockd22:57:210
3060699163,5tDemoTimingTask2938-21taskset22:05:005
1925139160,0EcMasterDemoSyn0-21swapper/520:40:595
1925139160,0EcMasterDemoSyn0-21swapper/520:40:595
1377299160,6tDemoTimingTask20405-21taskset00:37:315
692599155,8cyclictest16426-21/usr/sbin/munin20:35:214
692599153,8cyclictest31077-21ssh22:20:154
692599153,8cyclictest11899-21sed20:25:234
692599153,7cyclictest10658-21ssh21:33:344
692599152,9cyclictest8006-21ssh22:43:234
692599152,9cyclictest22068-21cut20:50:004
692599152,8cyclictest12580-21ssh23:57:084
692599152,8cyclictest12580-21ssh23:57:084
6925991512,2cyclictest16574-21head00:35:184
692599151,10cyclictest32209-21ssh00:25:414
6925991510,2cyclictest171rcu_preempt20:30:154
692599150,10cyclictest7313-21sh23:35:534
692199157,6cyclictest10528-21tr20:25:123
692199155,8cyclictest7691-21/usr/sbin/munin22:25:153
692199153,9cyclictest12647-21df22:10:133
6921991511,3cyclictest21091-21runintdemo5min22:32:333
6921991511,3cyclictest21091-21runintdemo5min22:32:323
6921991511,3cyclictest16292-21cron19:30:013
692199151,10cyclictest21320-21/usr/sbin/munin22:15:143
692199150,8cyclictest5598-21ssh22:24:213
691799158,5cyclictest648-21dbus-daemon21:00:012
691799157,6cyclictest14623-21sed23:40:152
6917991512,2cyclictest17804-21sendmail21:20:002
691799150,9cyclictest31741-21diskmemload23:03:112
691799150,9cyclictest29937-21sh22:37:262
691799150,8cyclictest716-21snmpd19:26:152
691799150,10cyclictest15455-21ssh22:47:042
691399157,6cyclictest10841-21head23:20:171
691399155,8cyclictest15495-21/usr/sbin/munin23:40:221
691399151,11cyclictest18372-21ping21:02:411
691399151,10cyclictest30270-21ssh23:13:241
691399150,10cyclictest10220-21ssh23:02:011
691099156,7cyclictest4256-21ssh23:52:320
691099156,7cyclictest4139-21latency22:05:180
691099156,7cyclictest32014-21ssh00:25:320
691099153,9cyclictest728-21lldpd00:07:500
691099153,9cyclictest326-21systemd-journal19:26:500
691099150,9cyclictest11381-21runrttasks19:18:030
691099150,8cyclictest17616-21ssh21:19:520
691099150,6cyclictest23123-21ssh21:22:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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