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2026-04-08 - 14:04
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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 Wed Apr 08, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311962710,0sleep40-21swapper/409:22:334
298432600,1sleep229846-21grep09:48:262
39722520,0sleep60-21swapper/609:22:516
53762500,1sleep05358-21sshd12:13:290
53762500,1sleep05358-21sshd12:13:290
463024925,9sleep20-21swapper/207:03:472
56222470,0sleep50-21swapper/511:56:445
33612470,0sleep70-21swapper/711:17:377
33612470,0sleep70-21swapper/711:17:377
251712470,0sleep20-21swapper/211:24:292
124382470,0sleep00-21swapper/009:27:020
20222460,0sleep60-21swapper/609:45:026
194852460,0sleep20-21swapper/210:02:362
168152460,0sleep40-21swapper/410:45:074
149672460,0sleep10-21swapper/110:07:551
306752450,0sleep4471rcuc/411:37:454
215002450,1sleep521429-21sshd10:06:235
102092450,1sleep410208-21systemd-cgroups11:29:124
451124440,1sleep00-21swapper/007:02:170
19432440,1sleep21944-21grep11:10:122
255832430,0sleep425574-21sshd11:41:134
112882430,1sleep6686-21dbus-daemon09:28:526
96272420,0sleep70-21swapper/712:34:107
278262420,0sleep40-21swapper/412:05:324
246072420,0sleep00-21swapper/011:24:270
221202420,0sleep40-21swapper/410:26:494
194002420,0sleep60-21swapper/611:57:336
466724128,9sleep30-21swapper/307:04:203
457424129,9sleep40-21swapper/407:03:094
455624129,9sleep50-21swapper/507:02:545
33692410,0sleep10-21swapper/112:13:221
33692410,0sleep10-21swapper/112:13:221
28172410,0sleep00-21swapper/011:47:180
273702410,0sleep10-21swapper/110:45:441
225392410,1sleep722532-21sshd11:55:587
478124026,10sleep10-21swapper/107:05:541
454824028,8sleep60-21swapper/607:02:476
264692400,2sleep0492299cyclictest10:40:060
133432400,0sleep40-21swapper/410:02:144
126732400,0sleep60-21swapper/611:23:456
108632400,0sleep10-21swapper/110:54:011
455823926,9sleep70-21swapper/707:02:567
310182390,0sleep00-21swapper/012:33:310
289112390,0sleep50-21swapper/509:39:085
315282380,0sleep10-21swapper/109:15:171
147092370,0sleep20-21swapper/209:21:352
56162360,1sleep449-21ksoftirqd/411:51:144
325162360,0sleep10-21swapper/110:58:571
237332360,0sleep40-21swapper/409:40:434
201932340,1sleep620190-21bash10:50:536
492799267,3cyclictest57-21ksoftirqd/512:28:115
4927992610,2cyclictest57-21ksoftirqd/511:20:585
4927992610,2cyclictest57-21ksoftirqd/511:20:585
4927992610,1cyclictest57-21ksoftirqd/512:20:125
492799258,3cyclictest57-21ksoftirqd/510:37:145
4927992512,1cyclictest57-21ksoftirqd/511:34:075
492799248,3cyclictest57-21ksoftirqd/510:26:185
492799245,3cyclictest57-21ksoftirqd/509:06:165
4927992413,1cyclictest57-21ksoftirqd/510:22:525
4927992411,3cyclictest57-21ksoftirqd/511:00:135
492399247,1cyclictest25-21ksoftirqd/110:15:411
493399230,2cyclictest28069-21kill12:11:066
493399230,2cyclictest28069-21kill12:11:066
492799239,3cyclictest57-21ksoftirqd/511:53:475
492799239,2cyclictest57-21ksoftirqd/511:15:065
492799237,3cyclictest57-21ksoftirqd/512:12:545
492799237,3cyclictest57-21ksoftirqd/512:12:545
4927992317,4cyclictest57-21ksoftirqd/512:04:375
4927992311,4cyclictest57-21ksoftirqd/511:44:155
4927992311,3cyclictest57-21ksoftirqd/510:02:135
4927992310,1cyclictest57-21ksoftirqd/509:43:245
4927992310,1cyclictest57-21ksoftirqd/509:15:005
492699238,2cyclictest49-21ksoftirqd/409:17:044
492699236,1cyclictest49-21ksoftirqd/411:34:184
492399238,3cyclictest25-21ksoftirqd/109:49:461
4923992313,2cyclictest25-21ksoftirqd/112:06:401
288762230,0sleep60-21swapper/610:21:386
492799228,1cyclictest57-21ksoftirqd/510:11:315
492799226,3cyclictest57-21ksoftirqd/510:31:585
4927992219,1cyclictest57-21ksoftirqd/511:48:165
4927992211,1cyclictest57-21ksoftirqd/511:27:145
4927992210,1cyclictest57-21ksoftirqd/511:09:435
492799220,4cyclictest32384-21sshd09:31:525
492799220,4cyclictest32384-21sshd09:31:525
492399226,2cyclictest25-21ksoftirqd/112:33:461
492399226,2cyclictest25-21ksoftirqd/110:16:451
492399224,3cyclictest25-21ksoftirqd/109:09:411
4923992217,3cyclictest492-21systemd-journal09:37:531
4923992217,3cyclictest25-21ksoftirqd/111:55:311
492799218,3cyclictest57-21ksoftirqd/510:53:235
492799217,2cyclictest57-21ksoftirqd/511:37:335
4927992111,3cyclictest57-21ksoftirqd/509:46:195
492699217,3cyclictest49-21ksoftirqd/409:31:294
492699217,3cyclictest49-21ksoftirqd/409:31:294
492699217,1cyclictest49-21ksoftirqd/411:56:444
492699216,3cyclictest49-21ksoftirqd/412:16:104
492699216,3cyclictest49-21ksoftirqd/409:55:264
4926992115,3cyclictest49-21ksoftirqd/411:01:464
492399219,3cyclictest25-21ksoftirqd/112:19:161
492399219,2cyclictest25-21ksoftirqd/109:18:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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