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2026-08-29 - 16:11
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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 Aug 29, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297102720,2sleep51020299cyclictest10:20:045
10192996744,23cyclictest14093-21kworker/u16:110:31:441
10204996362,1cyclictest65-21ksoftirqd/610:31:446
185662600,0sleep00-21swapper/009:07:270
290562560,1sleep01-21systemd12:17:170
25672560,0sleep50-21swapper/512:05:045
301152510,0sleep10-21swapper/112:22:461
141422490,0sleep00-21swapper/012:11:000
100312490,0sleep30-21swapper/309:46:383
279452480,0sleep60-21swapper/610:07:246
184042480,0sleep018378-21sshd10:42:420
1019199489,1cyclictest14752-21systemd10:31:430
56452470,0sleep00-21swapper/009:55:240
275582470,0sleep50-21swapper/509:33:195
1020599470,47cyclictest4749-21kworker/7:310:31:447
976324624,8sleep40-21swapper/407:00:564
28942460,0sleep40-21swapper/410:16:434
218602460,0sleep30-21swapper/312:25:533
177102460,1sleep449-21ksoftirqd/409:57:534
217472450,0sleep773-21ksoftirqd/710:08:537
320212440,0sleep40-21swapper/410:07:384
230962440,1sleep449-21ksoftirqd/412:33:154
188272440,1sleep518821-21bash10:08:435
268552430,0sleep20-21swapper/207:30:322
195762430,0sleep00-21swapper/011:24:310
189082430,0sleep70-21swapper/710:14:067
221412420,0sleep60-21swapper/609:07:416
117962420,0sleep70-21swapper/709:30:327
69912410,0sleep40-21swapper/410:00:494
238422410,2sleep21019399cyclictest11:42:432
221722410,0sleep00-21swapper/010:23:120
993924027,9sleep60-21swapper/607:03:226
993624028,8sleep30-21swapper/307:03:193
992924028,8sleep00-21swapper/007:03:160
988624027,9sleep20-21swapper/207:02:382
760924028,8sleep70-21swapper/707:00:197
759924029,8sleep10-21swapper/107:00:131
234242400,2sleep11019299cyclictest09:27:381
992523928,8sleep50-21swapper/507:03:135
277972390,0sleep40-21swapper/412:17:134
130582390,0sleep00-21swapper/010:49:390
218202380,0sleep60-21swapper/611:53:286
17752380,1sleep41723-21sshd09:35:264
10193993834,4cyclictest22032-21kworker/2:010:31:442
10202993312,21cyclictest85250irq/26-em1-tx-010:31:455
32942270,0sleep20-21swapper/212:26:402
185642270,0sleep018563-21grep10:05:090
10195992423,1cyclictest20364-21kworker/4:310:31:434
1020599233,7cyclictest21512-21bash11:04:457
1019599237,1cyclictest49-21ksoftirqd/410:56:184
1020599221,7cyclictest857-21polkitd11:41:347
1019599218,2cyclictest49-21ksoftirqd/409:27:444
293022200,0sleep50-21swapper/512:10:095
1020599201,6cyclictest29253-21sshd09:11:527
1019599208,1cyclictest49-21ksoftirqd/410:24:494
1019599207,1cyclictest49-21ksoftirqd/410:50:504
1019599206,2cyclictest49-21ksoftirqd/411:29:434
1019599204,3cyclictest49-21ksoftirqd/411:40:224
1019599204,1cyclictest49-21ksoftirqd/410:49:354
10195992015,3cyclictest49-21ksoftirqd/411:07:014
10195992010,2cyclictest49-21ksoftirqd/411:22:354
1020599193,5cyclictest26368-21sshd11:51:527
1020599192,6cyclictest8370-21grep10:18:527
1020599191,5cyclictest10899-21bash10:53:067
1020599191,2cyclictest11931-21bash12:07:197
1020599190,6cyclictest0-21swapper/712:02:147
1019599199,3cyclictest49-21ksoftirqd/412:12:334
1019599198,1cyclictest49-21ksoftirqd/410:10:314
1019599197,3cyclictest49-21ksoftirqd/411:47:544
1019599196,1cyclictest49-21ksoftirqd/411:31:024
1019599196,1cyclictest49-21ksoftirqd/411:02:424
1019599195,1cyclictest49-21ksoftirqd/411:57:474
1019599191,2cyclictest49-21ksoftirqd/411:52:574
1019599190,1cyclictest131rcu_sched09:50:244
1020599182,6cyclictest27245-21bash12:15:247
1020599182,6cyclictest16774-21sshd09:29:077
1020599182,3cyclictest721-21dbus-daemon09:42:527
1020599181,6cyclictest0-21swapper/709:07:477
1020599181,5cyclictest26959-21sshd11:39:207
1020599181,5cyclictest12904-21sshd10:28:047
1020599181,5cyclictest12904-21sshd10:28:047
1020599181,16cyclictest20281-21bash11:15:277
1019599188,2cyclictest49-21ksoftirqd/411:18:204
1019599187,1cyclictest49-21ksoftirqd/410:36:244
1019599184,5cyclictest49-21ksoftirqd/409:15:344
1019599184,3cyclictest49-21ksoftirqd/410:44:344
1019599184,3cyclictest49-21ksoftirqd/410:25:234
1019599184,3cyclictest49-21ksoftirqd/410:25:234
1019599184,1cyclictest49-21ksoftirqd/411:35:334
1019599184,1cyclictest49-21ksoftirqd/409:48:274
1019599183,3cyclictest49-21ksoftirqd/409:11:354
1019599183,1cyclictest49-21ksoftirqd/411:12:154
10195991815,1cyclictest49-21ksoftirqd/412:27:264
253132170,1sleep025307-21sshd09:54:440
1020599173,1cyclictest0-21swapper/709:58:497
1020599172,7cyclictest19768-21sshd09:22:057
1020599172,6cyclictest24094-21sshd09:54:407
1020599172,5cyclictest11507-21sshd11:07:437
1020599172,5cyclictest1-21systemd09:37:507
1020599171,6cyclictest19443-21systemd09:49:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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