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2025-12-14 - 14:51
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Sun Dec 14, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279562940,0sleep7711rcuc/709:29:577
167082670,1sleep016689-21sd-pam10:19:550
35832520,0sleep10-21swapper/111:38:531
31622510,0sleep60-21swapper/611:03:506
22442510,0sleep10-21swapper/110:05:471
279492490,0sleep00-21swapper/010:39:170
107402450,1sleep50-21swapper/509:09:375
246242440,0sleep00-21swapper/009:11:560
119512440,1sleep773-21ksoftirqd/707:31:547
63222430,1sleep09-21ksoftirqd/011:45:160
3071624332,8sleep00-21swapper/007:08:500
3074524130,8sleep70-21swapper/707:09:137
3072924129,9sleep40-21swapper/407:09:024
3071224027,9sleep50-21swapper/507:08:475
3069224028,9sleep30-21swapper/307:08:293
3067724028,9sleep60-21swapper/607:08:166
157012400,0sleep50-21swapper/511:58:355
3069923927,9sleep10-21swapper/107:08:351
274092390,0sleep10-21swapper/112:30:021
2838723826,8sleep20-21swapper/207:05:552
228112360,2sleep13100299cyclictest07:51:501
190792350,2sleep23100899cyclictest12:28:272
256002330,0sleep50-21swapper/510:44:435
326172190,0sleep20-21swapper/211:38:142
30996991812,5cyclictest32621-21ystemctl12:13:180
31008991614,1cyclictest33-21ksoftirqd/210:56:532
31008991614,1cyclictest33-21ksoftirqd/209:06:252
31008991612,1cyclictest33-21ksoftirqd/209:16:242
31008991612,1cyclictest33-21ksoftirqd/209:16:242
215852160,0sleep3401ktimersoftd/309:40:183
31022991513,1cyclictest1-21systemd10:57:017
31008991513,2cyclictest33-21ksoftirqd/210:44:042
31008991513,1cyclictest33-21ksoftirqd/211:08:402
31008991513,1cyclictest33-21ksoftirqd/210:34:012
31008991512,3cyclictest33-21ksoftirqd/210:25:412
31008991510,3cyclictest33-21ksoftirqd/211:22:542
3100899151,1cyclictest33-21ksoftirqd/209:31:252
3100899150,1cyclictest131rcu_sched10:01:512
30996991512,2cyclictest606-21kworker/u16:509:58:320
112282150,0sleep00-21swapper/008:26:560
3100899149,4cyclictest33-21ksoftirqd/210:09:432
3100899148,4cyclictest33-21ksoftirqd/212:35:022
3100899148,3cyclictest33-21ksoftirqd/210:52:292
3100899145,3cyclictest131rcu_sched12:32:182
31008991413,1cyclictest33-21ksoftirqd/212:21:272
31008991412,1cyclictest33-21ksoftirqd/212:17:412
31008991412,1cyclictest33-21ksoftirqd/212:11:522
31008991412,1cyclictest33-21ksoftirqd/211:59:492
31008991412,1cyclictest33-21ksoftirqd/211:42:562
31008991412,1cyclictest33-21ksoftirqd/209:35:382
31008991411,2cyclictest33-21ksoftirqd/209:41:472
31008991411,1cyclictest33-21ksoftirqd/209:50:482
3099699149,3cyclictest22640-21kworker/0:411:08:580
3099699148,4cyclictest21262-21kworker/0:110:56:400
30996991413,0cyclictest15384-21kworker/u16:212:36:320
30996991412,2cyclictest8500-21kworker/0:009:21:480
30996991412,1cyclictest29943-21kworker/u16:309:01:460
30996991412,0cyclictest12091-21kworker/0:012:01:440
30996991411,2cyclictest27705-21systemd-cgroups10:27:280
95892130,0sleep70-21swapper/707:26:587
31022991312,1cyclictest0-21swapper/711:49:027
3102099132,5cyclictest0-21swapper/512:28:555
3100899139,1cyclictest33-21ksoftirqd/209:21:562
3100899138,3cyclictest33-21ksoftirqd/209:11:402
31008991312,1cyclictest33-21ksoftirqd/212:00:322
31008991312,1cyclictest33-21ksoftirqd/211:47:412
31008991312,1cyclictest33-21ksoftirqd/210:44:572
31008991312,1cyclictest33-21ksoftirqd/210:10:362
31008991312,1cyclictest33-21ksoftirqd/209:55:102
31008991312,1cyclictest33-21ksoftirqd/209:46:222
31008991311,2cyclictest311rcuc/212:05:522
31008991311,1cyclictest33-21ksoftirqd/211:27:472
31008991311,1cyclictest33-21ksoftirqd/211:10:002
31008991311,1cyclictest33-21ksoftirqd/210:20:382
31008991311,1cyclictest33-21ksoftirqd/210:17:232
31008991311,1cyclictest33-21ksoftirqd/209:02:092
3099699135,7cyclictest686-21dbus-daemon11:37:560
30996991311,2cyclictest786-21snmpd10:53:000
30996991310,1cyclictest1222-21systemd-cgroups09:07:460
200972130,0sleep30-21swapper/311:41:513
3102299122,4cyclictest0-21swapper/709:22:057
3102199129,2cyclictest8628-21systemd10:35:546
3102199122,4cyclictest763-21NetworkManager09:34:096
3102099120,11cyclictest1-21systemd09:41:235
3101999127,2cyclictest29569-21kworker/4:109:12:124
3101599128,1cyclictest41-21ksoftirqd/312:37:223
3100899129,2cyclictest33-21ksoftirqd/209:25:422
31008991210,2cyclictest33-21ksoftirqd/211:01:382
31008991210,1cyclictest33-21ksoftirqd/211:31:352
31008991210,1cyclictest33-21ksoftirqd/211:16:012
3100899120,12cyclictest31500-21kworker/2:011:53:062
3100299125,6cyclictest691-21systemd-logind11:08:301
3100299120,11cyclictest1352-21systemd09:02:001
3099699124,5cyclictest686-21dbus-daemon11:34:550
30996991211,1cyclictest6518-21systemd10:06:360
30996991210,2cyclictest606-21kworker/u16:510:01:100
30996991210,2cyclictest1460-21kworker/u16:409:25:320
57942110,0sleep30-21swapper/310:11:583
3102299119,1cyclictest17249-21systemd11:58:537
3102299114,2cyclictest2496-21httpd12:23:377
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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