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2026-05-09 - 16:00
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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 Sat May 09, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196142920,0sleep70-21swapper/712:20:357
150342890,0sleep71-21systemd11:36:147
148782880,2sleep12987999cyclictest12:09:001
252572800,2sleep12987999cyclictest10:01:011
322432720,2sleep42988499cyclictest10:51:184
149792650,2sleep22988099cyclictest09:41:002
2722225531,8sleep20-21swapper/207:04:222
54192540,0sleep45416-21systemd-cgroups09:11:464
114482530,0sleep20-21swapper/212:14:302
95412520,2sleep22988099cyclictest10:28:412
95412520,2sleep22988099cyclictest10:28:412
145122520,0sleep016760-21kworker/u16:409:18:070
72442500,1sleep27242-21systemd-cgroups11:01:172
256972480,0sleep70-21swapper/711:33:107
123702480,0sleep50-21swapper/511:59:035
305742470,1sleep430575-21grepconf.sh12:01:584
17072470,0sleep71703-21sshd11:22:137
17072470,0sleep71703-21sshd11:22:137
93192460,0sleep10-21swapper/112:12:281
2937824621,8sleep40-21swapper/407:04:564
68802450,0sleep10-21swapper/112:35:271
220242450,0sleep00-21swapper/010:43:050
254412440,1sleep125445-21grepconf.sh11:38:491
241942440,2sleep62990099cyclictest10:06:436
114172440,0sleep60-21swapper/611:07:146
33132420,0sleep60-21swapper/612:23:396
308722420,1sleep21775-21kworker/2:109:30:272
2954324229,9sleep70-21swapper/707:07:157
287672420,0sleep70-21swapper/710:56:507
231102420,0sleep70-21swapper/712:07:307
155152420,0sleep40-21swapper/412:28:174
2953324124,13sleep60-21swapper/607:07:066
2946024127,10sleep00-21swapper/007:06:040
183612410,0sleep20-21swapper/210:15:522
2946124027,9sleep10-21swapper/107:06:051
2936824029,8sleep30-21swapper/307:04:473
193192400,0sleep20-21swapper/209:54:452
184412400,0sleep20-21swapper/211:23:122
184412400,0sleep20-21swapper/211:23:122
175762400,0sleep60-21swapper/610:46:316
2955923926,9sleep50-21swapper/507:07:295
107932390,2sleep72990799cyclictest10:40:247
44482380,0sleep40-21swapper/411:18:334
320632370,1sleep32988199cyclictest09:32:283
2987999269,1cyclictest25-21ksoftirqd/109:17:401
2987999229,1cyclictest25-21ksoftirqd/110:54:191
2987999216,2cyclictest25-21ksoftirqd/109:52:501
29879992116,4cyclictest25-21ksoftirqd/111:19:051
29879992115,3cyclictest25-21ksoftirqd/109:31:221
2987999208,3cyclictest25-21ksoftirqd/111:52:251
2987999206,1cyclictest25-21ksoftirqd/109:43:321
2987999205,2cyclictest25-21ksoftirqd/110:42:511
2987999205,1cyclictest25-21ksoftirqd/112:21:081
291382200,0sleep50-21swapper/512:25:065
29879991915,3cyclictest25-21ksoftirqd/111:23:391
29879991915,3cyclictest25-21ksoftirqd/111:23:391
29879991914,3cyclictest464-21systemd-journal12:01:221
29879991914,1cyclictest25-21ksoftirqd/111:02:471
29879991913,3cyclictest25-21ksoftirqd/110:56:281
2987999191,1cyclictest131rcu_sched10:36:261
54142180,0sleep6641ktimersoftd/610:53:366
29892991816,1cyclictest10230-21sshd12:04:435
2987999187,1cyclictest25-21ksoftirqd/110:08:311
2987999186,1cyclictest25-21ksoftirqd/109:11:221
2987999185,3cyclictest25-21ksoftirqd/112:31:251
2987999184,1cyclictest25-21ksoftirqd/112:24:311
2987999184,1cyclictest25-21ksoftirqd/110:31:301
29879991816,1cyclictest25-21ksoftirqd/112:18:251
29879991816,1cyclictest25-21ksoftirqd/111:09:321
29879991816,1cyclictest25-21ksoftirqd/110:27:251
29879991816,1cyclictest25-21ksoftirqd/110:27:251
29879991816,1cyclictest25-21ksoftirqd/110:17:271
29879991814,4cyclictest25-21ksoftirqd/111:41:111
29879991813,3cyclictest25-21ksoftirqd/110:45:391
29879991810,2cyclictest25-21ksoftirqd/111:45:591
2987999175,2cyclictest25-21ksoftirqd/109:35:131
2987999175,1cyclictest131rcu_sched09:54:241
29879991715,1cyclictest25-21ksoftirqd/111:25:001
29879991715,1cyclictest25-21ksoftirqd/111:06:341
29879991715,1cyclictest25-21ksoftirqd/109:20:561
29879991714,1cyclictest25-21ksoftirqd/111:59:101
29879991713,1cyclictest25-21ksoftirqd/109:25:391
29879991712,4cyclictest25-21ksoftirqd/110:22:181
29879991712,4cyclictest25-21ksoftirqd/110:22:181
2987999170,2cyclictest25-21ksoftirqd/110:11:291
120822170,0sleep312064-21sshd10:28:503
120822170,0sleep312064-21sshd10:28:503
73162160,2sleep72990799cyclictest10:07:407
66462160,0sleep70-21swapper/711:12:527
40122160,0sleep30-21swapper/310:43:563
29892991610,5cyclictest15-21kswork12:24:155
2987999165,1cyclictest25-21ksoftirqd/109:44:241
29879991614,1cyclictest25-21ksoftirqd/111:29:351
29907991512,2cyclictest30409-21sshd09:49:367
293932150,0sleep50-21swapper/509:20:455
24232150,0sleep62416-21sshd12:12:016
223502150,0sleep60-21swapper/611:30:536
212202150,2sleep42988499cyclictest10:41:014
80952140,0sleep60-21swapper/609:42:326
62622140,0sleep00-21swapper/009:09:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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