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2026-04-06 - 21:41
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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 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142862860,0sleep3391rcuc/310:36:523
134082740,1sleep213407-21grepconf.sh11:53:072
71242730,2sleep52660599cyclictest10:38:225
96362540,1sleep69637-21grep10:23:336
52162520,2sleep22660299cyclictest10:01:032
53502510,0sleep20-21swapper/211:32:092
53502510,0sleep20-21swapper/211:32:092
2645025126,9sleep60-21swapper/607:05:546
217932510,0sleep20-21swapper/211:07:022
33592490,0sleep50-21swapper/509:08:365
2623724924,8sleep40-21swapper/407:02:564
2628924825,8sleep10-21swapper/107:03:411
52382460,0sleep10-21swapper/109:59:091
276522450,0sleep50-21swapper/509:15:485
2621224534,8sleep20-21swapper/207:02:382
234022450,0sleep30-21swapper/310:11:213
194392450,2sleep72660799cyclictest09:20:557
323552440,0sleep20-21swapper/210:08:072
97962430,0sleep40-21swapper/412:30:174
270102430,1sleep227011-21grep11:59:322
13192430,2sleep42660499cyclictest11:50:374
247732420,0sleep20-21swapper/210:52:202
225352420,0sleep50-21swapper/510:18:445
12532420,0sleep70-21swapper/709:34:407
124142420,0sleep30-21swapper/311:32:343
124142420,0sleep30-21swapper/311:32:343
108772420,1sleep610876-21grepconf.sh12:07:536
25272410,0sleep60-21swapper/610:04:356
136252410,0sleep10-21swapper/111:45:451
81262400,0sleep40-21swapper/410:42:054
292612400,0sleep50-21swapper/510:00:335
2625924029,8sleep70-21swapper/707:03:157
2618824028,9sleep50-21swapper/507:02:175
2399924027,9sleep00-21swapper/007:01:160
231922400,2sleep12660199cyclictest09:24:491
186042400,0sleep10-21swapper/111:14:221
130792400,0sleep60-21swapper/612:13:386
2641623928,8sleep30-21swapper/307:05:273
217892390,0sleep20-21swapper/209:22:502
289352370,0sleep40-21swapper/410:26:274
153922370,0sleep50-21swapper/510:35:095
150932370,0sleep20-21swapper/212:26:472
121162370,0sleep10-21swapper/110:34:571
128122360,0sleep20-21swapper/212:32:162
127802360,0sleep30-21swapper/308:31:263
141452320,0sleep00-21swapper/011:36:230
141452320,0sleep00-21swapper/011:36:230
26604992614,1cyclictest49-21ksoftirqd/409:50:254
2660499256,3cyclictest49-21ksoftirqd/410:49:034
2660499249,3cyclictest49-21ksoftirqd/411:34:294
2660499249,3cyclictest49-21ksoftirqd/411:34:294
26601992422,1cyclictest25-21ksoftirqd/111:51:491
2660299239,3cyclictest33-21ksoftirqd/210:38:102
26604992213,1cyclictest49-21ksoftirqd/412:06:164
26604992212,1cyclictest49-21ksoftirqd/409:33:144
2660499221,5cyclictest10590-21grepconf.sh09:29:394
2660299227,1cyclictest33-21ksoftirqd/210:30:052
2659499225,0cyclictest0-21swapper/007:13:000
26594992217,5cyclictest12183-21kworker/u16:011:52:360
2660499217,3cyclictest49-21ksoftirqd/411:52:114
2660499215,3cyclictest49-21ksoftirqd/410:16:514
2660499214,2cyclictest49-21ksoftirqd/411:36:504
2660499214,2cyclictest49-21ksoftirqd/411:36:504
26604992113,1cyclictest49-21ksoftirqd/412:20:214
2660299217,4cyclictest33-21ksoftirqd/210:14:052
26602992116,3cyclictest33-21ksoftirqd/209:32:052
26602992115,4cyclictest33-21ksoftirqd/212:25:002
26602992115,4cyclictest33-21ksoftirqd/212:25:002
26601992117,3cyclictest25-21ksoftirqd/112:02:041
26601992110,1cyclictest131rcu_sched11:36:331
26601992110,1cyclictest131rcu_sched11:36:331
2659499210,15cyclictest0-21swapper/010:12:440
2660599208,6cyclictest57-21ksoftirqd/510:42:565
2660599200,19cyclictest16041-21kworker/5:410:06:175
2660499209,2cyclictest49-21ksoftirqd/411:41:564
2660499206,3cyclictest49-21ksoftirqd/410:23:484
2660499206,1cyclictest49-21ksoftirqd/409:40:424
26604992014,3cyclictest49-21ksoftirqd/410:02:184
2660299203,3cyclictest33-21ksoftirqd/211:30:272
26602992016,1cyclictest33-21ksoftirqd/211:50:512
26602992015,3cyclictest33-21ksoftirqd/212:09:342
2660199204,2cyclictest25-21ksoftirqd/109:28:351
2660199204,1cyclictest25-21ksoftirqd/109:39:421
2659499208,6cyclictest0-21swapper/008:23:020
2659499208,5cyclictest0-21swapper/011:21:440
2660499197,2cyclictest49-21ksoftirqd/412:04:434
2660499194,3cyclictest49-21ksoftirqd/411:17:554
26604991913,3cyclictest49-21ksoftirqd/411:04:044
26604991911,1cyclictest49-21ksoftirqd/409:56:004
26604991910,3cyclictest49-21ksoftirqd/410:11:364
26602991917,1cyclictest33-21ksoftirqd/211:19:252
26602991917,1cyclictest33-21ksoftirqd/209:45:262
26602991916,3cyclictest33-21ksoftirqd/209:13:422
26602991916,1cyclictest33-21ksoftirqd/212:05:532
26602991912,4cyclictest33-21ksoftirqd/211:14:412
2660299191,1cyclictest33-21ksoftirqd/209:36:532
2660199194,3cyclictest25-21ksoftirqd/110:20:371
2660199192,3cyclictest25-21ksoftirqd/111:28:381
26601991916,3cyclictest25-21ksoftirqd/112:14:541
26601991915,1cyclictest25-21ksoftirqd/112:07:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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