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2026-08-05 - 02:38
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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 Aug 05, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21789991727,124cyclictest23519-21bash21:24:321
176582800,2sleep52182399cyclictest21:26:035
21831996636,30cyclictest0-21swapper/621:24:326
259092550,0sleep20-21swapper/221:46:192
180742530,0sleep00-21swapper/023:56:150
2183899510,50cyclictest32117-21kworker/7:021:24:317
153052510,0sleep50-21swapper/500:23:115
307092500,0sleep00-21swapper/023:46:060
267252500,0sleep20-21swapper/223:00:352
267252500,0sleep20-21swapper/223:00:352
130002500,1sleep412990-21bash22:09:034
130002500,1sleep412990-21bash22:09:034
2137024925,8sleep70-21swapper/719:03:137
71162480,0sleep40-21swapper/400:13:414
263192480,0sleep00-21swapper/000:05:440
208602460,2sleep52182399cyclictest23:52:445
208562460,0sleep30-21swapper/300:10:523
14082460,0sleep6631rcuc/621:12:276
137802460,0sleep60-21swapper/621:29:256
28782450,1sleep30-21swapper/323:19:103
280142450,0sleep00-21swapper/021:28:230
99662440,0sleep20-21swapper/222:26:552
230262440,0sleep40-21swapper/422:33:064
228142440,0sleep70-21swapper/721:53:207
31722430,1sleep420476-21kworker/4:522:04:554
192032430,1sleep2758-21runrttasks22:07:332
192032430,1sleep2758-21runrttasks22:07:332
161192430,2sleep02178199cyclictest00:23:140
154202430,0sleep70-21swapper/722:21:487
296552420,0sleep60-21swapper/620:16:056
21797994242,0cyclictest13550irq/24-ahci[00021:24:312
2130824231,8sleep30-21swapper/319:02:203
139882420,0sleep70-21swapper/722:52:317
308212410,0sleep40-21swapper/421:12:174
275342410,0sleep50-21swapper/500:34:495
226662410,0sleep10-21swapper/121:37:051
198772410,0sleep00-21swapper/023:09:140
18822410,0sleep30-21swapper/321:34:103
131632410,0sleep00-21swapper/023:32:210
124662410,0sleep40-21swapper/422:36:104
118032410,0sleep70-21swapper/700:32:027
88952400,1sleep68894-21grep22:08:496
88952400,1sleep68894-21grep22:08:496
68022400,0sleep30-21swapper/323:08:293
268812400,0sleep40-21swapper/423:45:544
22262400,0sleep70-21swapper/721:14:207
21806994037,2cyclictest23455-21grep21:24:313
2153024028,8sleep20-21swapper/219:05:242
197042400,0sleep10-21swapper/100:07:061
13472400,0sleep71329-21sshd00:16:577
117722400,0sleep50-21swapper/521:58:075
2134023926,9sleep40-21swapper/419:02:454
2133623926,9sleep00-21swapper/019:02:410
1911223927,9sleep10-21swapper/119:01:141
2178199380,38cyclictest31231-21kworker/0:421:24:310
2126523825,9sleep50-21swapper/519:01:425
51302370,1sleep35119-21bash22:23:043
2131523726,8sleep60-21swapper/619:02:236
162282370,0sleep30-21swapper/321:36:423
121312370,0sleep30-21swapper/322:19:513
21815992711,1cyclictest49-21ksoftirqd/422:46:224
21815992710,4cyclictest49-21ksoftirqd/422:11:284
21823992411,1cyclictest57-21ksoftirqd/522:09:475
21823992411,1cyclictest57-21ksoftirqd/522:09:475
2181599248,1cyclictest49-21ksoftirqd/423:34:204
2181599247,3cyclictest49-21ksoftirqd/400:34:444
2182399239,3cyclictest57-21ksoftirqd/523:10:185
2181599239,1cyclictest49-21ksoftirqd/400:06:194
2181599238,4cyclictest49-21ksoftirqd/423:07:554
2181599238,4cyclictest49-21ksoftirqd/421:34:294
21815992311,3cyclictest49-21ksoftirqd/423:38:324
2179799231,7cyclictest21388-21systemd-cgroups22:25:522
2182399228,1cyclictest57-21ksoftirqd/521:09:535
21823992211,2cyclictest57-21ksoftirqd/521:13:595
2181599228,2cyclictest49-21ksoftirqd/422:41:404
2181599228,1cyclictest49-21ksoftirqd/400:28:404
2181599227,3cyclictest49-21ksoftirqd/421:27:254
2181599226,3cyclictest49-21ksoftirqd/423:24:174
2181599226,2cyclictest49-21ksoftirqd/422:53:144
2181599226,1cyclictest49-21ksoftirqd/421:08:274
2181599225,3cyclictest49-21ksoftirqd/421:56:494
21815992216,3cyclictest49-21ksoftirqd/421:45:334
21815992210,2cyclictest49-21ksoftirqd/423:26:494
2179799220,5cyclictest2284-21sshd22:35:372
2182399216,1cyclictest57-21ksoftirqd/521:16:305
2182399215,3cyclictest57-21ksoftirqd/522:56:345
2182399215,3cyclictest57-21ksoftirqd/522:56:345
2182399214,3cyclictest57-21ksoftirqd/523:40:005
21823992117,3cyclictest57-21ksoftirqd/522:54:035
21823992117,3cyclictest57-21ksoftirqd/522:19:025
2181599219,3cyclictest49-21ksoftirqd/423:56:214
2181599216,4cyclictest49-21ksoftirqd/400:04:274
2181599215,3cyclictest49-21ksoftirqd/423:13:064
21815992112,3cyclictest49-21ksoftirqd/422:16:274
21815992112,1cyclictest49-21ksoftirqd/423:05:594
2179799211,2cyclictest28391-21grepconf.sh23:11:272
2182399209,3cyclictest57-21ksoftirqd/523:02:005
2182399209,1cyclictest57-21ksoftirqd/521:55:475
2182399207,1cyclictest57-21ksoftirqd/500:01:355
2182399206,2cyclictest57-21ksoftirqd/523:16:495
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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