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2026-05-25 - 20:50
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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 May 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195562920,2sleep52903299cyclictest11:59:405
201262810,0sleep60-21swapper/611:57:576
2874827872,2sleep20-21swapper/207:07:152
151522710,0sleep30-21swapper/311:07:563
162762700,1sleep125-21ksoftirqd/110:56:571
266312630,1sleep30-21swapper/307:03:553
50992510,1sleep15098-21grep10:36:061
281452510,0sleep50-21swapper/511:03:095
23942500,0sleep00-21swapper/009:40:390
291192490,0sleep50-21swapper/510:55:495
188822490,0sleep40-21swapper/409:21:214
167732480,1sleep52903299cyclictest09:56:145
113472480,1sleep311346-21grepconf.sh10:30:563
112272480,0sleep70-21swapper/709:41:107
277892470,1sleep427784-21sshd10:46:354
260622470,0sleep10-21swapper/110:52:001
65162460,0sleep20-21swapper/209:46:262
32142450,0sleep30-21swapper/309:16:473
178122450,0sleep117810-21sshd09:23:101
86762440,0sleep10-21swapper/111:27:481
51342440,0sleep20-21swapper/211:36:462
47112440,0sleep20-21swapper/211:14:362
2855224423,8sleep70-21swapper/707:04:327
64152430,0sleep00-21swapper/011:14:420
54402430,2sleep32902299cyclictest12:22:533
302042420,0sleep30-21swapper/309:55:083
2869324230,8sleep50-21swapper/507:06:305
226932420,0sleep50-21swapper/510:51:485
212022420,0sleep40-21swapper/411:00:524
192552420,0sleep00-21swapper/010:07:300
123542420,0sleep30-21swapper/309:52:193
326142410,1sleep2758-21runrttasks12:24:202
299582410,0sleep10-21swapper/112:00:161
102372410,0sleep70-21swapper/711:40:447
79252400,0sleep70-21swapper/710:43:417
38002400,0sleep30-21swapper/310:23:113
2860724027,9sleep40-21swapper/407:05:174
206192400,0sleep00-21swapper/009:12:120
156862400,2sleep42902699cyclictest12:17:574
28922390,0sleep20-21swapper/212:22:442
2884923927,9sleep10-21swapper/107:08:351
2856923927,8sleep60-21swapper/607:04:476
2639423926,9sleep00-21swapper/007:03:530
186322390,0sleep50-21swapper/509:24:585
117292390,0sleep60-21swapper/612:30:336
49932380,2sleep42902699cyclictest11:27:354
63092370,0sleep70-21swapper/710:14:027
46672360,0sleep60-21swapper/609:11:056
2902699257,2cyclictest49-21ksoftirqd/411:46:324
29026992410,1cyclictest49-21ksoftirqd/411:54:204
300422220,0sleep60-21swapper/609:27:316
2902699229,3cyclictest49-21ksoftirqd/410:42:354
2902699228,1cyclictest49-21ksoftirqd/409:35:154
2902699219,3cyclictest49-21ksoftirqd/411:29:144
2902699218,2cyclictest49-21ksoftirqd/411:04:154
2902699211,1cyclictest121rcu_preempt12:05:594
63312200,7sleep449-21ksoftirqd/410:50:514
29032992016,3cyclictest57-21ksoftirqd/512:34:405
29032992016,1cyclictest57-21ksoftirqd/511:35:515
2902699208,4cyclictest49-21ksoftirqd/409:12:144
2902699206,2cyclictest49-21ksoftirqd/411:20:444
2902699206,1cyclictest49-21ksoftirqd/410:55:084
2902699204,3cyclictest49-21ksoftirqd/409:51:534
2902699204,1cyclictest49-21ksoftirqd/410:29:024
29026992016,1cyclictest49-21ksoftirqd/411:17:504
29026992016,1cyclictest49-21ksoftirqd/409:14:104
29032991917,1cyclictest57-21ksoftirqd/511:18:365
2902699199,1cyclictest49-21ksoftirqd/410:14:004
2902699197,2cyclictest49-21ksoftirqd/410:00:304
2902699197,1cyclictest49-21ksoftirqd/412:37:384
2902699193,1cyclictest49-21ksoftirqd/412:02:074
29026991917,1cyclictest49-21ksoftirqd/411:12:174
2902699190,1cyclictest22892-21systemd-cgroups09:47:234
29032991816,1cyclictest57-21ksoftirqd/510:41:305
29032991815,3cyclictest551rcuc/509:32:525
29032991814,3cyclictest57-21ksoftirqd/510:28:595
29032991814,3cyclictest57-21ksoftirqd/509:18:455
2902699188,2cyclictest49-21ksoftirqd/412:22:024
2902699187,4cyclictest49-21ksoftirqd/412:28:564
2902699187,1cyclictest49-21ksoftirqd/409:24:424
2902699186,3cyclictest49-21ksoftirqd/410:08:534
2902699186,1cyclictest49-21ksoftirqd/410:23:064
2902699185,3cyclictest49-21ksoftirqd/410:33:564
2902699185,2cyclictest49-21ksoftirqd/412:28:444
2902699185,1cyclictest49-21ksoftirqd/409:29:504
2902699183,1cyclictest49-21ksoftirqd/411:34:334
2902699182,3cyclictest49-21ksoftirqd/409:39:054
29026991815,1cyclictest49-21ksoftirqd/412:12:554
264382180,1sleep130045-21kworker/u16:009:58:421
290992170,2sleep02900899cyclictest11:03:120
29032991716,1cyclictest57-21ksoftirqd/509:15:175
29032991715,1cyclictest57-21ksoftirqd/512:29:425
29032991715,1cyclictest57-21ksoftirqd/511:58:345
29032991715,1cyclictest57-21ksoftirqd/511:42:295
29032991715,1cyclictest57-21ksoftirqd/511:23:095
29032991715,1cyclictest57-21ksoftirqd/510:23:575
29032991715,1cyclictest57-21ksoftirqd/510:07:315
29032991713,3cyclictest57-21ksoftirqd/510:48:385
2902699176,3cyclictest49-21ksoftirqd/410:04:004
2902699176,1cyclictest49-21ksoftirqd/410:24:274
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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