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2026-07-11 - 18:58
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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 Jul 11, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214722860,1sleep221469-21systemd-cgroups10:16:052
214722860,1sleep221469-21systemd-cgroups10:16:052
205952760,2sleep32616499cyclictest10:25:033
63152540,1sleep76314-21sshd10:07:537
167392530,0sleep10-21swapper/109:33:591
2588725026,8sleep70-21swapper/707:05:047
197902500,1sleep773-21ksoftirqd/712:15:527
197902500,1sleep773-21ksoftirqd/712:15:527
86712490,0sleep30-21swapper/310:17:103
86712490,0sleep30-21swapper/310:17:103
314632490,0sleep20-21swapper/209:44:012
277542490,0sleep00-21swapper/010:14:340
277542490,0sleep00-21swapper/010:14:340
2587924824,8sleep30-21swapper/307:05:003
39932470,0sleep03992-21sshd09:42:230
219892470,0sleep70-21swapper/712:10:317
218312450,1sleep121832-21bash10:56:081
52032440,1sleep15205-21grepconf.sh09:46:161
112462440,0sleep40-21swapper/410:37:134
78932430,0sleep30-21swapper/311:46:083
246682430,0sleep1241ktimersoftd/110:59:531
232512430,0sleep50-21swapper/511:17:515
177062430,0sleep00-21swapper/011:04:560
144402430,0sleep614439-21grepconf.sh12:11:586
287752420,0sleep50-21swapper/512:25:275
148482420,0sleep40-21swapper/410:50:114
44112410,0sleep60-21swapper/609:46:136
2601624129,8sleep40-21swapper/407:06:534
2570124130,8sleep50-21swapper/507:02:295
213382410,0sleep70-21swapper/711:26:587
204762410,0sleep10-21swapper/111:12:181
78432400,1sleep57839-21systemd09:28:025
286972400,1sleep628700-21grepconf.sh12:14:306
286972400,1sleep628700-21grepconf.sh12:14:306
170042400,0sleep40-21swapper/409:43:074
168122400,0sleep70-21swapper/710:04:567
2590723927,8sleep00-21swapper/007:05:210
2585023928,8sleep20-21swapper/207:04:342
140262390,0sleep00-21swapper/011:12:010
2600223827,8sleep10-21swapper/107:06:421
177892380,0sleep70-21swapper/710:32:117
143432380,0sleep30-21swapper/312:26:293
276952370,0sleep30-21swapper/309:27:203
2572023726,8sleep60-21swapper/607:02:466
289322350,0sleep50-21swapper/509:42:045
300532340,0sleep40-21swapper/409:22:084
170612340,0sleep30-21swapper/309:39:293
49872310,0sleep60-21swapper/609:07:216
2617399239,1cyclictest57-21ksoftirqd/512:12:485
2617399239,1cyclictest57-21ksoftirqd/512:12:485
26170992317,3cyclictest464-21systemd-journal09:29:034
2617399229,1cyclictest57-21ksoftirqd/511:02:015
26173992111,1cyclictest57-21ksoftirqd/510:40:095
2617399208,3cyclictest57-21ksoftirqd/510:18:395
2617399208,3cyclictest57-21ksoftirqd/510:18:395
2617399208,1cyclictest57-21ksoftirqd/509:18:105
2617399207,1cyclictest57-21ksoftirqd/510:33:345
2617399206,3cyclictest57-21ksoftirqd/511:07:155
2617399205,1cyclictest57-21ksoftirqd/511:30:055
2617399202,3cyclictest57-21ksoftirqd/511:12:185
2617399199,1cyclictest57-21ksoftirqd/510:51:295
2617399199,1cyclictest57-21ksoftirqd/509:47:575
2617399197,3cyclictest57-21ksoftirqd/512:17:335
26173991917,1cyclictest57-21ksoftirqd/509:37:145
26173991915,3cyclictest57-21ksoftirqd/510:14:125
26173991915,3cyclictest57-21ksoftirqd/510:14:125
26173991915,1cyclictest57-21ksoftirqd/512:10:295
26173991915,1cyclictest57-21ksoftirqd/510:57:135
131152190,0sleep00-21swapper/009:26:370
280952180,1sleep128094-21grepconf.sh09:40:071
2618399182,0cyclictest0-21swapper/710:23:347
2617399188,1cyclictest57-21ksoftirqd/510:00:095
2617399186,3cyclictest57-21ksoftirqd/509:13:225
2617399185,1cyclictest57-21ksoftirqd/512:31:285
2617399184,3cyclictest57-21ksoftirqd/511:47:075
26173991816,1cyclictest57-21ksoftirqd/511:32:115
26173991815,3cyclictest57-21ksoftirqd/509:10:425
26173991815,1cyclictest57-21ksoftirqd/511:24:435
26173991814,3cyclictest57-21ksoftirqd/511:37:115
26173991812,4cyclictest57-21ksoftirqd/512:03:205
26173991810,3cyclictest57-21ksoftirqd/511:43:455
2617399181,4cyclictest57-21ksoftirqd/509:26:405
26170991816,1cyclictest49-21ksoftirqd/410:52:184
26170991814,1cyclictest49-21ksoftirqd/411:14:104
175892180,0sleep50-21swapper/510:52:125
79602170,0sleep60-21swapper/610:51:416
36142170,0sleep20-21swapper/209:20:382
2617399176,3cyclictest57-21ksoftirqd/510:45:275
2617399174,3cyclictest57-21ksoftirqd/510:27:025
2617399173,3cyclictest57-21ksoftirqd/510:22:235
2617399172,1cyclictest57-21ksoftirqd/512:01:445
26173991715,1cyclictest57-21ksoftirqd/511:56:225
26173991713,3cyclictest57-21ksoftirqd/509:54:515
26173991713,1cyclictest57-21ksoftirqd/509:34:535
26173991711,3cyclictest57-21ksoftirqd/512:33:175
26173991710,3cyclictest57-21ksoftirqd/510:03:025
26170991714,3cyclictest49-21ksoftirqd/412:27:344
26170991714,1cyclictest49-21ksoftirqd/411:03:194
2617099170,16cyclictest471rcuc/410:30:304
2617099170,1cyclictest1-21systemd09:12:124
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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