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2026-03-24 - 15:15
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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 Tue Mar 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193832910,1sleep09-21ksoftirqd/010:39:390
21561999022,67cyclictest30112-21bash09:55:377
21557997618,57cyclictest30102-21systemd09:55:376
247262710,0sleep60-21swapper/611:32:066
170892560,0sleep00-21swapper/012:16:370
237482550,1sleep4492-21systemd-journal10:43:354
207502540,2sleep72156199cyclictest11:00:127
2109124926,8sleep50-21swapper/507:02:355
30422480,0sleep50-21swapper/511:43:595
213502480,0sleep50-21swapper/511:50:395
2107724825,9sleep00-21swapper/007:02:220
182402470,0sleep10-21swapper/109:08:091
145922470,1sleep014583-21bash10:28:090
145922470,1sleep014583-21bash10:28:090
88192460,0sleep70-21swapper/710:48:187
268512460,0sleep30-21swapper/311:21:063
161132460,0sleep00-21swapper/011:11:100
67152450,1sleep665-21ksoftirqd/611:16:136
123832450,0sleep70-21swapper/710:03:507
246822440,0sleep10-21swapper/111:39:381
67382430,0sleep00-21swapper/010:42:350
52362430,0sleep10-21swapper/109:30:041
326022430,1sleep557-21ksoftirqd/510:16:135
325112430,0sleep70-21swapper/712:06:197
325112430,0sleep70-21swapper/712:06:197
256372430,2sleep42153899cyclictest12:31:554
206632430,0sleep50-21swapper/510:41:365
123192430,0sleep30-21swapper/311:01:363
69052420,0sleep30-21swapper/312:14:083
282322420,2sleep42153899cyclictest09:18:214
182402420,0sleep20-21swapper/210:09:452
217292410,0sleep10-21swapper/109:58:471
210522410,0sleep30-21swapper/312:16:483
175742410,0sleep50-21swapper/509:47:225
62492400,0sleep20-21swapper/211:29:142
31432400,0sleep70-21swapper/712:26:547
24822400,0sleep50-21swapper/510:57:135
219112400,0sleep521910-21systemd-cgroups09:32:485
2125724029,8sleep10-21swapper/107:04:551
2122724028,9sleep70-21swapper/707:04:297
2116824028,8sleep60-21swapper/607:03:406
2105424027,9sleep40-21swapper/407:02:014
101292400,1sleep110115-21sshd09:52:301
66722390,0sleep66272-21sshd09:59:486
38112390,0sleep40-21swapper/410:29:254
38112390,0sleep40-21swapper/410:29:254
266022390,0sleep30-21swapper/311:11:453
2131423926,9sleep30-21swapper/307:05:373
2115523927,8sleep20-21swapper/207:03:282
150172390,0sleep00-21swapper/012:27:350
150052390,2sleep3401ktimersoftd/309:23:093
255182380,0sleep70-21swapper/712:17:007
168722380,0sleep50-21swapper/512:20:195
167652380,0sleep60-21swapper/612:14:436
21545993734,2cyclictest1-21systemd09:55:375
2153899370,36cyclictest23145-21kworker/4:209:55:374
21533993232,0cyclictest30315-21kworker/3:309:55:373
21528993130,1cyclictest13550irq/24-ahci[00009:55:372
21513992826,1cyclictest30164-21sshd09:55:370
21538992410,1cyclictest49-21ksoftirqd/410:59:224
21557992313,1cyclictest65-21ksoftirqd/612:11:116
21557992210,3cyclictest65-21ksoftirqd/610:54:116
2153899228,4cyclictest49-21ksoftirqd/410:13:584
2153899227,1cyclictest49-21ksoftirqd/409:10:404
21538992217,4cyclictest49-21ksoftirqd/411:51:434
2155799219,1cyclictest65-21ksoftirqd/609:45:386
2155799219,1cyclictest65-21ksoftirqd/609:45:386
2155799218,3cyclictest65-21ksoftirqd/609:40:256
2155799217,3cyclictest65-21ksoftirqd/611:56:156
2155799216,3cyclictest65-21ksoftirqd/611:39:386
2153899218,1cyclictest49-21ksoftirqd/411:32:494
2153899216,2cyclictest49-21ksoftirqd/410:53:004
21538992116,4cyclictest49-21ksoftirqd/412:02:204
21538992116,4cyclictest49-21ksoftirqd/412:02:204
21538992116,4cyclictest49-21ksoftirqd/410:19:484
21538992114,4cyclictest49-21ksoftirqd/411:09:224
2153899209,1cyclictest49-21ksoftirqd/412:01:104
2153899206,3cyclictest49-21ksoftirqd/410:32:004
2153899205,3cyclictest49-21ksoftirqd/412:27:434
2153899205,1cyclictest49-21ksoftirqd/412:23:004
2153899203,3cyclictest49-21ksoftirqd/410:23:304
2153899202,2cyclictest49-21ksoftirqd/409:33:354
21538992016,1cyclictest49-21ksoftirqd/409:46:474
21538992015,4cyclictest49-21ksoftirqd/410:51:314
21538992015,1cyclictest49-21ksoftirqd/412:10:444
2153899200,1cyclictest131rcu_sched09:57:474
21557991917,1cyclictest65-21ksoftirqd/612:20:496
21557991911,3cyclictest65-21ksoftirqd/611:07:086
2155799191,4cyclictest26763-21id10:15:526
2153899198,1cyclictest49-21ksoftirqd/411:31:014
2153899197,3cyclictest49-21ksoftirqd/411:17:154
2153899197,3cyclictest49-21ksoftirqd/409:15:484
2153899196,2cyclictest49-21ksoftirqd/409:24:504
2153899193,1cyclictest49-21ksoftirqd/412:16:534
2153899193,1cyclictest49-21ksoftirqd/410:02:524
21538991915,1cyclictest49-21ksoftirqd/411:04:564
134572190,0sleep70-21swapper/712:35:027
2155799183,1cyclictest775-21gdbus11:51:196
21557991816,2cyclictest65-21ksoftirqd/609:25:166
21557991816,1cyclictest65-21ksoftirqd/610:20:196
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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