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2026-05-10 - 23:33
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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 Sun May 10, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86292920,1sleep18601-21sshd12:12:491
322142730,0sleep10-21swapper/112:22:111
199392680,1sleep419940-21grepconf.sh11:46:494
249932580,0sleep50-21swapper/510:08:395
188692570,0sleep70-21swapper/709:16:437
48092550,1sleep44777-21rm10:47:554
2771625226,9sleep40-21swapper/407:04:534
266592510,0sleep50-21swapper/511:02:375
126062510,0sleep50-21swapper/511:36:495
44932500,0sleep20-21swapper/210:17:092
44932500,0sleep20-21swapper/210:17:092
269352500,1sleep226923-21sshd11:58:492
58152490,0sleep00-21swapper/011:12:580
53302490,1sleep05332-21sshd10:09:220
21792490,0sleep20-21swapper/211:24:292
165602480,1sleep77565-21kworker/u16:109:27:567
165602480,1sleep77565-21kworker/u16:109:27:567
40432470,0sleep10-21swapper/111:57:281
2802224725,8sleep70-21swapper/707:09:047
287042460,0sleep50-21swapper/510:47:245
217922460,0sleep00-21swapper/012:31:070
77802440,0sleep50-21swapper/510:19:205
77802440,0sleep50-21swapper/510:19:205
325062440,1sleep232507-21kill10:24:302
255212440,0sleep6721-21dbus-daemon10:49:096
211052440,0sleep30-21swapper/311:27:343
198062440,1sleep619807-21latency_hist09:49:186
176552440,0sleep30-21swapper/312:38:393
2771424332,8sleep20-21swapper/207:04:512
2789724225,13sleep60-21swapper/607:07:276
208422420,0sleep50-21swapper/512:36:485
106122410,0sleep00-21swapper/010:02:090
325122400,0sleep50-21swapper/511:10:385
303212400,0sleep50-21swapper/509:57:345
2790024027,9sleep00-21swapper/007:07:290
25802400,0sleep25858-21kworker/2:409:15:422
177702400,0sleep5561ktimersoftd/510:50:365
42892390,0sleep10-21swapper/112:04:571
2792523927,8sleep30-21swapper/307:07:483
2788323927,9sleep10-21swapper/107:07:141
2776223927,9sleep50-21swapper/507:05:345
249572390,0sleep00-21swapper/010:04:500
127572390,0sleep60-21swapper/609:27:396
127572390,0sleep60-21swapper/609:27:396
103752390,0sleep40-21swapper/410:04:064
85162370,0sleep40-21swapper/411:20:464
218732370,2sleep02816099cyclictest09:45:270
49822290,0sleep30-21swapper/309:42:343
28160992810,1cyclictest9-21ksoftirqd/011:31:560
2817899277,3cyclictest41-21ksoftirqd/310:56:273
28192992410,3cyclictest65-21ksoftirqd/611:18:526
28192992410,3cyclictest65-21ksoftirqd/611:18:526
28192992310,4cyclictest65-21ksoftirqd/611:26:116
28178992317,3cyclictest41-21ksoftirqd/309:47:473
2819299225,4cyclictest65-21ksoftirqd/609:42:136
28178992211,1cyclictest41-21ksoftirqd/311:53:203
2816099227,2cyclictest9-21ksoftirqd/010:44:390
28160992220,1cyclictest9-21ksoftirqd/011:17:210
28160992220,1cyclictest9-21ksoftirqd/011:17:210
28160992218,2cyclictest9-21ksoftirqd/009:36:040
2819299218,3cyclictest65-21ksoftirqd/609:58:466
2819299217,3cyclictest65-21ksoftirqd/609:20:096
28192992112,1cyclictest65-21ksoftirqd/609:10:436
2817899219,3cyclictest41-21ksoftirqd/309:31:063
2817899219,1cyclictest41-21ksoftirqd/310:21:123
2817899219,1cyclictest41-21ksoftirqd/310:21:123
2817899218,1cyclictest41-21ksoftirqd/311:03:393
2817899216,3cyclictest41-21ksoftirqd/310:13:113
28178992117,3cyclictest41-21ksoftirqd/312:22:553
28178992117,3cyclictest41-21ksoftirqd/311:13:043
28178992113,1cyclictest41-21ksoftirqd/309:20:183
2816099219,2cyclictest9-21ksoftirqd/010:25:490
2816099218,1cyclictest9-21ksoftirqd/011:27:170
2816099217,2cyclictest9-21ksoftirqd/010:34:180
28160992110,2cyclictest9-21ksoftirqd/011:59:030
2819299206,3cyclictest65-21ksoftirqd/611:55:326
2819299204,3cyclictest65-21ksoftirqd/611:34:146
2817899209,3cyclictest41-21ksoftirqd/310:52:013
2817899209,1cyclictest41-21ksoftirqd/310:49:173
2817899208,2cyclictest41-21ksoftirqd/312:16:273
2817899208,2cyclictest41-21ksoftirqd/311:21:173
2817899207,3cyclictest41-21ksoftirqd/311:34:363
2817899207,3cyclictest41-21ksoftirqd/310:03:333
2817899206,3cyclictest41-21ksoftirqd/311:15:083
2817899206,3cyclictest41-21ksoftirqd/311:15:083
28178992015,3cyclictest41-21ksoftirqd/311:08:533
28178992014,3cyclictest41-21ksoftirqd/312:09:343
2816099206,1cyclictest9-21ksoftirqd/012:38:190
2816099206,1cyclictest9-21ksoftirqd/009:50:340
28160992017,3cyclictest9-21ksoftirqd/010:17:270
28160992017,3cyclictest9-21ksoftirqd/010:17:270
28160992014,1cyclictest121rcu_preempt11:23:030
28160992013,4cyclictest9-21ksoftirqd/009:09:550
226392200,0sleep30-21swapper/311:58:343
147982200,0sleep10-21swapper/110:29:091
2819299195,1cyclictest65-21ksoftirqd/609:38:016
2819299194,4cyclictest65-21ksoftirqd/610:55:036
2819299194,3cyclictest65-21ksoftirqd/610:17:056
2819299194,3cyclictest65-21ksoftirqd/610:17:056
2819299193,1cyclictest65-21ksoftirqd/612:02:556
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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