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2026-05-15 - 22:38
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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 Fri May 15, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2894699117116,0cyclictest0-21swapper/410:10:584
2894699116100,1cyclictest49-21ksoftirqd/410:58:584
168282960,2sleep12893399cyclictest11:30:241
28957998428,0cyclictest0-21swapper/510:58:585
2897199760,75cyclictest10763-21kworker/7:210:58:587
96722730,2sleep12893399cyclictest09:38:511
28940997065,4cyclictest4802-21cp10:10:572
2893399690,69cyclictest20499-21kworker/1:010:10:581
28964996628,37cyclictest0-21swapper/610:58:586
28964995755,1cyclictest0-21swapper/610:10:586
210842560,1sleep021080-21bash09:52:430
289432550,0sleep00-21swapper/010:35:280
2867825326,9sleep40-21swapper/407:07:364
68842520,1sleep66863-21bash11:45:026
117502520,0sleep70-21swapper/712:19:397
85992510,0sleep20-21swapper/210:14:562
9552490,0sleep00-21swapper/010:04:450
78302490,2sleep02892699cyclictest12:27:090
2874424925,9sleep10-21swapper/107:08:291
234462490,0sleep20-21swapper/211:05:502
189592490,0sleep70-21swapper/709:54:277
155292490,0sleep30-21swapper/310:15:213
291562480,0sleep10-21swapper/110:35:291
259992480,0sleep50-21swapper/511:17:305
223062480,0sleep20-21swapper/210:29:222
145492480,1sleep21-21systemd10:55:492
127572480,0sleep50-21swapper/510:32:375
231402470,2sleep32894299cyclictest11:49:483
55252460,1sleep22894099cyclictest09:15:372
47562460,0sleep20-21swapper/211:25:522
301892460,0sleep50-21swapper/512:16:575
2858824634,8sleep50-21swapper/507:06:255
217592460,0sleep30-21swapper/310:44:363
18882460,0sleep50-21swapper/511:58:075
161922460,1sleep516189-21sshd11:53:185
2784024523,18sleep60-21swapper/607:04:266
161222450,0sleep10-21swapper/112:31:271
64162440,0sleep50-21swapper/511:00:565
323322430,0sleep40-21swapper/411:29:234
2877024331,8sleep70-21swapper/707:08:517
169452430,0sleep10-21swapper/112:06:441
132052430,0sleep60-21swapper/609:39:046
263842420,0sleep70-21swapper/709:13:107
215452420,0sleep00-21swapper/010:59:550
118282420,0sleep00-21swapper/010:01:400
103322420,0sleep70-21swapper/711:52:567
235272410,0sleep60-21swapper/609:43:206
2852824027,9sleep30-21swapper/307:05:353
2846924028,9sleep20-21swapper/207:04:462
2800524022,4sleep00-21swapper/007:04:280
215012400,0sleep20-21swapper/210:25:292
11462400,0sleep10-21swapper/112:24:461
7332390,2sleep72897199cyclictest10:29:597
131362390,0sleep6641ktimersoftd/609:21:426
28926993838,0cyclictest25939-21kworker/0:310:10:580
275072380,1sleep3721-21dbus-daemon10:58:303
187332380,0sleep341-21ksoftirqd/311:26:413
100672380,2sleep42894699cyclictest09:44:224
182242370,0sleep70-21swapper/711:59:057
28933993636,0cyclictest21683-21kworker/1:210:58:581
28926993534,1cyclictest31712-21kworker/0:610:58:570
2895799330,32cyclictest4936-21sshd10:10:585
254942250,0sleep40-21swapper/412:16:404
2897199226,15cyclictest0-21swapper/710:10:587
2897199212,3cyclictest27801-21grepconf.sh10:02:377
28964992116,3cyclictest65-21ksoftirqd/609:55:176
28964992114,4cyclictest65-21ksoftirqd/609:28:286
2895799210,1cyclictest1-21systemd10:49:585
2895799210,1cyclictest0-21swapper/512:02:335
2894299210,21cyclictest14009-21kworker/3:410:10:573
2897199203,16cyclictest32252-21sshd10:35:407
2897199201,4cyclictest0-21swapper/712:26:067
28964992016,3cyclictest65-21ksoftirqd/609:18:196
2895799204,5cyclictest13328-21bash09:46:255
2895799200,9cyclictest29287-21sshd12:13:115
2895799200,1cyclictest30843-21sshd11:19:405
2895799200,1cyclictest0-21swapper/509:25:425
74042190,0sleep20-21swapper/210:47:482
2897199194,4cyclictest26540-21bash10:25:477
2897199193,6cyclictest17662-21bash11:36:097
2897199193,6cyclictest17662-21bash11:36:097
2897199192,5cyclictest31508-21sshd12:07:367
2896499192,1cyclictest65-21ksoftirqd/612:04:506
28964991915,3cyclictest65-21ksoftirqd/612:37:526
2895799192,7cyclictest26460-21grep11:36:415
2895799192,7cyclictest26460-21grep11:36:415
2895799190,2cyclictest721-21dbus-daemon09:58:565
2895799190,2cyclictest31594-21bash12:20:525
2895799190,2cyclictest22778-21grepconf.sh10:25:345
2895799190,1cyclictest18966-21sshd12:27:485
2895799190,1cyclictest1-21systemd12:35:225
2892699192,13cyclictest23162-21sshd12:20:220
148322190,1sleep014826-21sshd10:46:100
301342180,1sleep430133-21grepconf.sh09:13:234
2897199183,6cyclictest8246-21systemd11:16:277
2897199183,5cyclictest1763-21bash09:22:567
2897199183,14cyclictest28636-21systemd11:29:147
2897199182,6cyclictest25942-21systemd12:12:597
2897199182,5cyclictest4209-21bash10:14:407
2897199182,5cyclictest0-21swapper/710:05:307
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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