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2026-08-08 - 17:26
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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 08, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233812930,0sleep30-21swapper/311:57:553
214222910,2sleep02046799cyclictest10:58:010
1989025927,18sleep20-21swapper/207:01:162
71112540,0sleep50-21swapper/509:53:345
216882510,0sleep10-21swapper/112:32:291
72382500,0sleep10-21swapper/111:51:121
264982500,0sleep50-21swapper/509:45:105
212812500,0sleep70-21swapper/711:53:587
2016424925,9sleep30-21swapper/307:03:253
81612480,0sleep50-21swapper/509:20:595
218642480,0sleep10-21swapper/110:15:411
309972470,0sleep20-21swapper/211:33:192
216002470,0sleep341-21ksoftirqd/310:23:203
125322470,0sleep60-21swapper/610:59:276
75112460,0sleep10-21swapper/111:01:061
68362460,0sleep00-21swapper/012:04:400
298262460,0sleep00-21swapper/009:54:580
27102460,0sleep20-21swapper/212:02:262
177482460,0sleep00-21swapper/011:13:150
130242460,1sleep713021-21sshd10:28:367
293472450,2sleep42049799cyclictest12:04:044
228892450,1sleep449-21ksoftirqd/409:48:454
72972440,0sleep40-21swapper/412:23:594
230212440,0sleep60-21swapper/612:32:346
208552420,0sleep30-21swapper/310:50:193
297842410,0sleep70-21swapper/709:39:357
2033524129,8sleep50-21swapper/507:05:435
2024624128,9sleep00-21swapper/007:04:340
132182410,0sleep20-21swapper/211:40:002
264992400,0sleep20-21swapper/211:54:172
2032124027,9sleep40-21swapper/407:05:344
2021624028,9sleep60-21swapper/607:04:086
2013824027,9sleep10-21swapper/107:03:071
2004024029,8sleep70-21swapper/707:01:457
183472400,0sleep418295-21sshd10:21:134
45352380,0sleep60-21swapper/610:30:046
270692380,0sleep50-21swapper/512:32:495
20497992811,1cyclictest49-21ksoftirqd/410:34:184
20467992710,3cyclictest9-21ksoftirqd/012:24:450
20467992515,4cyclictest9-21ksoftirqd/011:47:450
20523992419,3cyclictest73-21ksoftirqd/709:23:347
225812230,1sleep422584-21grepconf.sh12:13:174
2049799238,2cyclictest49-21ksoftirqd/410:08:214
2049799237,3cyclictest49-21ksoftirqd/409:10:264
2049799237,2cyclictest49-21ksoftirqd/409:45:454
2046799235,1cyclictest9-21ksoftirqd/010:23:050
2049799228,2cyclictest49-21ksoftirqd/412:33:344
2049799228,1cyclictest49-21ksoftirqd/412:17:224
20497992211,1cyclictest49-21ksoftirqd/411:50:534
2046799229,2cyclictest9-21ksoftirqd/011:28:470
2046799224,3cyclictest9-21ksoftirqd/010:16:510
20467992217,5cyclictest9-21ksoftirqd/009:06:090
2049799219,2cyclictest49-21ksoftirqd/411:16:204
2049799215,2cyclictest49-21ksoftirqd/411:33:384
2049799214,6cyclictest49-21ksoftirqd/409:32:334
20497992117,3cyclictest49-21ksoftirqd/411:27:174
20497992117,3cyclictest49-21ksoftirqd/409:25:584
20497992116,3cyclictest49-21ksoftirqd/410:52:334
20497992115,3cyclictest49-21ksoftirqd/411:01:124
20497992111,1cyclictest49-21ksoftirqd/409:22:374
2049799210,2cyclictest11443-21kworker/4:110:44:114
2046799218,1cyclictest9-21ksoftirqd/010:54:560
2046799215,1cyclictest9-21ksoftirqd/010:03:560
2046799215,1cyclictest9-21ksoftirqd/010:03:560
2046799214,1cyclictest9-21ksoftirqd/011:58:330
20467992119,1cyclictest9-21ksoftirqd/012:29:210
20467992110,3cyclictest9-21ksoftirqd/011:42:040
2046799211,2cyclictest9-21ksoftirqd/011:33:450
2046799211,2cyclictest0-21swapper/009:19:010
2046799211,1cyclictest19370-21systemd-cgroups09:21:320
86072200,1sleep48608-21grepconf.sh09:51:414
2049799207,3cyclictest49-21ksoftirqd/410:16:244
2049799204,2cyclictest49-21ksoftirqd/410:29:404
2049799204,1cyclictest49-21ksoftirqd/411:44:384
20497992010,2cyclictest49-21ksoftirqd/411:13:524
20497992010,2cyclictest49-21ksoftirqd/410:11:544
20497992010,2cyclictest49-21ksoftirqd/410:01:204
20497992010,2cyclictest49-21ksoftirqd/410:01:204
2049799200,1cyclictest15768-21sshd11:57:274
2046799208,1cyclictest9-21ksoftirqd/011:09:350
2046799207,1cyclictest9-21ksoftirqd/012:15:000
2046799207,1cyclictest9-21ksoftirqd/010:06:350
2046799206,1cyclictest9-21ksoftirqd/010:30:350
2046799205,3cyclictest9-21ksoftirqd/010:11:320
2046799205,1cyclictest9-21ksoftirqd/011:51:570
20467992018,1cyclictest9-21ksoftirqd/011:37:530
20467992017,1cyclictest9-21ksoftirqd/010:46:110
20467992017,1cyclictest9-21ksoftirqd/010:36:300
20467992016,1cyclictest9-21ksoftirqd/009:44:370
2046799200,1cyclictest0-21swapper/009:47:500
28902190,0sleep30-21swapper/309:39:553
2049799199,2cyclictest49-21ksoftirqd/409:56:474
2049799199,1cyclictest49-21ksoftirqd/409:17:244
2049799194,1cyclictest49-21ksoftirqd/411:50:584
20497991917,1cyclictest49-21ksoftirqd/412:26:134
20497991910,1cyclictest49-21ksoftirqd/411:06:504
2049799190,3cyclictest13595-21sshd10:36:174
2049799190,1cyclictest131rcu_sched11:39:374
20491991913,5cyclictest7827-21sshd09:57:253
2046799197,4cyclictest9-21ksoftirqd/009:12:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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