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2026-04-12 - 17:39
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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 Apr 12, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
653421010,0sleep70-21swapper/710:57:487
73332910,1sleep11-21systemd10:50:291
275352690,1sleep527536-21grep10:10:455
308612590,1sleep730813-21sshd10:40:427
91652550,1sleep39168-21fschecks_count10:56:083
40892550,0sleep30-21swapper/311:27:243
121262550,0sleep712102-21sshd12:23:507
9162520,0sleep7910-21sshd09:43:087
261772500,0sleep00-21swapper/009:18:340
224502480,0sleep50-21swapper/511:09:565
312202470,0sleep40-21swapper/412:02:334
251282460,0sleep11-21systemd10:32:511
23792460,0sleep10-21swapper/111:47:481
63922440,0sleep10-21swapper/110:20:421
236052440,0sleep60-21swapper/611:13:416
180472440,1sleep417962-21sshd10:49:124
310722420,0sleep20-21swapper/210:49:582
495424130,8sleep20-21swapper/207:05:042
487924128,9sleep30-21swapper/307:04:013
254324129,9sleep40-21swapper/407:00:574
165162410,0sleep60-21swapper/610:02:376
157962410,1sleep0514899cyclictest10:32:180
89302400,0sleep60-21swapper/609:26:496
484924028,8sleep00-21swapper/007:03:340
215362400,0sleep521519-21sshd09:53:395
192352400,0sleep00-21swapper/012:00:040
55132390,0sleep10-21swapper/108:56:161
498323928,8sleep10-21swapper/107:05:191
485523927,8sleep60-21swapper/607:03:406
478023927,9sleep70-21swapper/707:02:377
199762390,0sleep20-21swapper/211:33:552
56732380,0sleep40-21swapper/410:05:474
474723827,8sleep50-21swapper/507:02:115
47112380,0sleep50-21swapper/511:20:055
47112380,0sleep50-21swapper/511:20:055
239682380,0sleep70-21swapper/710:34:427
237322380,0sleep30-21swapper/309:48:083
203572380,0sleep0111rcuc/011:24:400
149632380,0sleep40-21swapper/408:16:164
32272370,0sleep30-21swapper/310:18:363
173052370,0sleep60-21swapper/611:43:046
163332350,0sleep730938-21kworker/u16:210:50:597
5150992615,3cyclictest33-21ksoftirqd/209:11:142
5150992513,3cyclictest33-21ksoftirqd/211:20:232
5150992513,3cyclictest33-21ksoftirqd/211:20:232
5150992512,3cyclictest33-21ksoftirqd/210:58:122
5150992411,3cyclictest33-21ksoftirqd/210:24:382
5150992410,3cyclictest33-21ksoftirqd/210:43:052
515099238,4cyclictest33-21ksoftirqd/210:33:062
145912230,0sleep40-21swapper/410:45:204
515799227,4cyclictest49-21ksoftirqd/411:03:334
515799226,1cyclictest49-21ksoftirqd/411:54:454
515799225,1cyclictest131rcu_sched10:58:114
515099229,2cyclictest33-21ksoftirqd/212:00:002
515099228,3cyclictest33-21ksoftirqd/210:11:332
515099226,3cyclictest33-21ksoftirqd/210:03:532
515099226,1cyclictest33-21ksoftirqd/210:27:012
515099226,1cyclictest33-21ksoftirqd/210:27:012
5150992212,3cyclictest33-21ksoftirqd/211:14:542
5150992212,3cyclictest33-21ksoftirqd/211:08:512
5150992211,5cyclictest33-21ksoftirqd/209:56:582
5150992210,3cyclictest33-21ksoftirqd/211:36:062
515799219,1cyclictest49-21ksoftirqd/409:34:064
515799217,2cyclictest49-21ksoftirqd/409:25:294
515799215,3cyclictest49-21ksoftirqd/412:15:544
515799215,3cyclictest49-21ksoftirqd/412:15:544
515799214,2cyclictest49-21ksoftirqd/409:47:204
5157992117,1cyclictest49-21ksoftirqd/412:21:394
515099219,2cyclictest33-21ksoftirqd/212:28:372
515099219,1cyclictest33-21ksoftirqd/212:13:292
515099219,1cyclictest33-21ksoftirqd/212:13:292
515099218,1cyclictest33-21ksoftirqd/209:25:532
515099217,3cyclictest33-21ksoftirqd/209:18:592
515099216,3cyclictest33-21ksoftirqd/209:38:512
515099216,1cyclictest33-21ksoftirqd/209:43:102
515099215,3cyclictest33-21ksoftirqd/211:01:072
5150992110,2cyclictest33-21ksoftirqd/209:35:262
5150992110,1cyclictest33-21ksoftirqd/211:29:212
515099210,1cyclictest0-21swapper/211:43:112
515799209,4cyclictest49-21ksoftirqd/410:13:284
515799209,1cyclictest49-21ksoftirqd/411:23:164
515799207,3cyclictest49-21ksoftirqd/409:17:494
515799206,1cyclictest49-21ksoftirqd/409:38:244
515799204,2cyclictest49-21ksoftirqd/410:35:014
5157992017,3cyclictest49-21ksoftirqd/411:58:084
5157992014,3cyclictest49-21ksoftirqd/412:27:134
5157992011,1cyclictest49-21ksoftirqd/411:36:444
515099208,1cyclictest33-21ksoftirqd/211:55:372
515099207,2cyclictest33-21ksoftirqd/212:16:192
515099207,2cyclictest33-21ksoftirqd/212:16:192
515099207,1cyclictest33-21ksoftirqd/212:03:472
515099206,2cyclictest33-21ksoftirqd/212:09:532
515099206,1cyclictest33-21ksoftirqd/210:53:542
5150992013,3cyclictest33-21ksoftirqd/212:23:172
146452200,0sleep30-21swapper/309:40:153
797-21190,0sshd131rcu_sched12:31:283
515799197,1cyclictest49-21ksoftirqd/409:30:374
515799196,3cyclictest49-21ksoftirqd/411:15:064
515799195,3cyclictest49-21ksoftirqd/411:42:534
515799195,3cyclictest49-21ksoftirqd/410:08:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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