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2026-05-12 - 00:56
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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 Mon May 11, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2867221070,2sleep51703699cyclictest11:12:505
36912820,2sleep61704799cyclictest12:27:326
157432780,2sleep61704799cyclictest11:19:406
70212750,2sleep71705499cyclictest11:42:327
34872750,0sleep10-21swapper/111:11:181
247222570,1sleep424725-21sshd11:55:184
253162510,0sleep40-21swapper/411:03:044
236122510,0sleep00-21swapper/011:12:290
208352510,0sleep720832-21systemd-cgroups10:51:147
240372500,0sleep6663-21in:imjournal10:26:306
1687125026,9sleep30-21swapper/307:09:123
1669125027,8sleep60-21swapper/607:06:516
215322490,1sleep221533-21kworker/u16:112:30:242
1686024926,8sleep50-21swapper/507:09:065
67492480,0sleep30-21swapper/310:33:073
299432480,2sleep01699999cyclictest12:09:240
265152480,0sleep60-21swapper/610:42:006
145042480,0sleep70-21swapper/711:50:407
88752470,0sleep10-21swapper/111:33:041
1654924622,8sleep70-21swapper/707:04:517
129632460,0sleep00-21swapper/011:17:420
87202450,0sleep60-21swapper/609:33:446
55992450,1sleep233-21ksoftirqd/211:42:272
304742450,1sleep71-21systemd10:24:557
270732450,2sleep11700699cyclictest09:23:291
312762440,2sleep231239-21sshd11:14:472
251822440,1sleep725183-21sshd10:47:377
206722430,0sleep70-21swapper/709:26:487
196722430,0sleep10-21swapper/110:45:231
98982420,1sleep01699999cyclictest11:48:330
1416024228,9sleep40-21swapper/407:04:164
116682420,0sleep00-21swapper/009:56:520
232022410,0sleep60-21swapper/610:01:156
206282410,0sleep70-21swapper/711:19:577
184252400,0sleep60-21swapper/610:20:296
1684324028,8sleep10-21swapper/107:08:541
1678624028,8sleep20-21swapper/207:08:072
1441224028,8sleep00-21swapper/007:04:280
105462400,0sleep70-21swapper/712:19:567
157792390,1sleep125-21ksoftirqd/110:54:441
15582370,1sleep557-21ksoftirqd/510:01:545
139772370,0sleep30-21swapper/310:14:253
281672360,0sleep20-21swapper/212:27:042
5902350,0sleep70-21swapper/712:07:387
5902350,0sleep70-21swapper/712:07:387
267592350,2sleep01699999cyclictest12:05:150
267592350,2sleep01699999cyclictest12:05:150
115402290,1sleep011513-21sshd09:22:320
310552220,0sleep60-21swapper/611:12:596
153312220,1sleep0464-21systemd-journal11:27:270
113652220,2sleep31702299cyclictest09:35:413
18072210,0sleep00-21swapper/010:05:410
1702299215,1cyclictest41-21ksoftirqd/311:37:013
1701499218,2cyclictest33-21ksoftirqd/212:12:502
1701499218,1cyclictest33-21ksoftirqd/210:27:402
113712210,1sleep011370-21grepconf.sh09:37:380
17022992014,4cyclictest41-21ksoftirqd/309:17:463
17022992014,4cyclictest41-21ksoftirqd/309:17:463
1702299200,1cyclictest131rcu_sched10:20:423
1701499207,2cyclictest33-21ksoftirqd/211:38:592
1701499205,3cyclictest33-21ksoftirqd/210:38:082
85572190,0sleep20-21swapper/211:58:282
17022991917,2cyclictest41-21ksoftirqd/311:18:343
17022991915,1cyclictest41-21ksoftirqd/310:43:153
1702299190,18cyclictest1386-21kworker/3:511:56:283
1701499194,2cyclictest33-21ksoftirqd/209:22:202
1701499192,1cyclictest33-21ksoftirqd/211:11:082
17014991915,3cyclictest33-21ksoftirqd/212:08:572
17014991915,3cyclictest33-21ksoftirqd/212:08:572
17014991914,4cyclictest33-21ksoftirqd/211:08:582
17014991914,4cyclictest33-21ksoftirqd/211:08:582
64482180,1sleep56447-21bash11:00:015
310112180,0sleep20-21swapper/209:50:142
1702299187,2cyclictest41-21ksoftirqd/312:13:503
1702299187,1cyclictest41-21ksoftirqd/310:58:013
1702299182,2cyclictest41-21ksoftirqd/311:29:303
17022991817,1cyclictest41-21ksoftirqd/309:19:263
17022991816,1cyclictest41-21ksoftirqd/310:49:293
17022991816,1cyclictest41-21ksoftirqd/310:28:193
17022991815,3cyclictest41-21ksoftirqd/312:19:323
17022991815,2cyclictest41-21ksoftirqd/312:30:083
17022991815,2cyclictest41-21ksoftirqd/311:42:223
17022991813,4cyclictest41-21ksoftirqd/312:04:263
17022991813,4cyclictest41-21ksoftirqd/312:04:263
17022991813,4cyclictest41-21ksoftirqd/311:24:153
17022991813,4cyclictest41-21ksoftirqd/309:31:393
1701499187,4cyclictest33-21ksoftirqd/210:09:042
1701499187,1cyclictest33-21ksoftirqd/209:13:012
1701499187,1cyclictest33-21ksoftirqd/209:13:012
1701499186,3cyclictest33-21ksoftirqd/210:02:172
1701499186,2cyclictest33-21ksoftirqd/212:22:452
1701499186,2cyclictest33-21ksoftirqd/209:45:102
1701499186,1cyclictest33-21ksoftirqd/212:02:362
1701499185,3cyclictest33-21ksoftirqd/209:15:022
1701499185,3cyclictest33-21ksoftirqd/209:15:022
17014991815,3cyclictest33-21ksoftirqd/211:04:042
17014991814,3cyclictest33-21ksoftirqd/210:40:152
17014991813,1cyclictest33-21ksoftirqd/210:09:272
17014991813,1cyclictest33-21ksoftirqd/210:09:272
17014991812,2cyclictest33-21ksoftirqd/211:19:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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