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2026-04-27 - 20:25
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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 Mon Apr 27, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
955099144143,1cyclictest9-21ksoftirqd/010:26:370
955099141109,17cyclictest9-21ksoftirqd/012:26:480
95509913322,57cyclictest24118-21sshd10:33:190
9555998785,1cyclictest670-21rs:main1
955699851,83cyclictest12195-21kworker/2:510:26:362
77382810,2sleep6957499cyclictest10:41:456
9574997459,15cyclictest0-21swapper/612:26:496
956899748,24cyclictest0-21swapper/510:26:375
87362730,0sleep40-21swapper/410:55:284
16532700,0sleep60-21swapper/610:24:156
922826231,18sleep50-21swapper/507:07:155
9574996037,22cyclictest24109-21kill10:33:196
957499600,22cyclictest0-21swapper/610:26:376
88402570,2sleep3956399cyclictest11:27:553
139762560,0sleep00-21swapper/011:33:530
9568995435,19cyclictest0-21swapper/510:33:195
956399540,53cyclictest23934-21sshd10:33:183
102392520,0sleep410232-21sshd11:35:254
9568995129,22cyclictest0-21swapper/512:26:495
934225139,8sleep30-21swapper/307:08:493
84022510,0sleep00-21swapper/010:09:110
75802510,2sleep2955699cyclictest11:49:092
208452510,0sleep70-21swapper/710:54:197
97212500,0sleep00-21swapper/009:47:490
918725026,8sleep00-21swapper/007:06:380
17332490,0sleep60-21swapper/611:08:286
9565994848,0cyclictest10782-21kworker/4:110:33:194
225552480,0sleep60-21swapper/611:34:236
204292480,1sleep520387-21sshd11:07:395
51192470,0sleep5721-21dbus-daemon11:37:025
9556994646,0cyclictest13550irq/24-ahci[00010:33:192
927424635,8sleep20-21swapper/207:07:522
165352460,0sleep1231rcuc/111:34:021
920324533,8sleep70-21swapper/707:06:537
218452450,0sleep20-21swapper/210:06:092
171392450,0sleep30-21swapper/312:15:053
130752450,0sleep3401ktimersoftd/310:55:433
62052440,1sleep66204-21grep11:35:116
220982430,2sleep0955099cyclictest09:27:300
220982430,2sleep0955099cyclictest09:27:300
118492430,0sleep10-21swapper/109:49:581
9565994242,0cyclictest30387-21kworker/4:410:26:374
93392420,1sleep59335-21systemd12:18:275
58632420,2sleep6957499cyclictest09:19:036
313152420,1sleep7721ktimersoftd/712:02:117
313152420,1sleep7721ktimersoftd/712:02:117
918424122,15sleep60-21swapper/607:06:366
87932410,0sleep00-21swapper/011:10:380
300652410,0sleep00-21swapper/009:14:570
222982410,0sleep50-21swapper/509:58:195
186222410,0sleep40-21swapper/409:44:324
139722410,0sleep10-21swapper/111:09:111
11982410,2sleep3956399cyclictest11:44:533
937624028,9sleep10-21swapper/107:09:191
912424028,9sleep40-21swapper/407:05:464
75022400,2sleep1955599cyclictest09:57:271
57722400,0sleep70-21swapper/709:38:027
301472400,1sleep449-21ksoftirqd/411:10:024
176622400,0sleep00-21swapper/009:50:130
118082400,0sleep40-21swapper/409:21:094
118082400,0sleep40-21swapper/409:21:094
9563993913,25cyclictest0-21swapper/312:26:483
56682390,0sleep00-21swapper/010:55:160
53972390,1sleep35361-21sshd12:06:323
183102390,0sleep20-21swapper/210:34:522
12262390,0sleep70-21swapper/711:50:347
110482390,0sleep20-21swapper/211:20:252
9565993837,1cyclictest23587-21kworker/4:012:26:494
308592380,2sleep6957499cyclictest09:37:376
123182380,0sleep20-21swapper/209:30:452
188612370,0sleep30-21swapper/309:16:043
9575993633,2cyclictest1844-21nfsd12:26:487
91192360,0sleep50-21swapper/510:49:455
312952340,0sleep40-21swapper/410:18:124
9556993231,1cyclictest13550irq/24-ahci[00012:26:492
9575993029,1cyclictest30722-21kworker/u16:510:26:377
957599240,23cyclictest18638-21kworker/7:310:33:197
9555992323,0cyclictest752-21snmpd10:26:371
9563992220,1cyclictest7991-21sshd10:26:363
955599210,20cyclictest0-21swapper/112:26:481
956399201,1cyclictest0-21swapper/309:57:073
23832200,1sleep02378-21sshd10:39:390
956399198,2cyclictest41-21ksoftirqd/310:20:263
9563991914,3cyclictest41-21ksoftirqd/309:42:433
956399190,1cyclictest0-21swapper/311:52:463
9568991812,3cyclictest57-21ksoftirqd/512:00:395
9568991812,3cyclictest57-21ksoftirqd/512:00:395
956399187,2cyclictest41-21ksoftirqd/312:30:563
956399187,2cyclictest41-21ksoftirqd/312:24:073
956399187,2cyclictest41-21ksoftirqd/311:56:493
9563991813,3cyclictest41-21ksoftirqd/310:37:333
956399181,1cyclictest41-21ksoftirqd/310:48:543
956399180,1cyclictest41-21ksoftirqd/312:12:093
956399180,1cyclictest0-21swapper/311:16:343
9556991815,1cyclictest33-21ksoftirqd/211:39:452
955699180,18cyclictest27331-21kworker/2:309:24:072
955699180,18cyclictest27331-21kworker/2:309:24:072
91792180,1sleep29183-21bash09:19:152
9568991715,1cyclictest57-21ksoftirqd/510:00:325
956399179,2cyclictest41-21ksoftirqd/312:37:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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