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2026-04-13 - 13:25
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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 rack1slot1.osadl.org (updated Mon Apr 13, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1900424170,4sleep121-21ksoftirqd/107:05:231
193312225156,26sleep30-21swapper/307:07:353
194152206156,24sleep00-21swapper/007:08:410
192782202163,25sleep20-21swapper/207:06:532
85112150,0sleep00-21swapper/009:45:140
19594991311,1cyclictest9-21ksoftirqd/007:55:010
238642120,0sleep30-21swapper/307:15:153
19596991211,1cyclictest28-21ksoftirqd/211:45:162
19596991210,1cyclictest28-21ksoftirqd/208:25:002
19594991211,1cyclictest9-21ksoftirqd/008:15:000
1959699119,1cyclictest28-21ksoftirqd/212:35:122
19596991111,0cyclictest28-21ksoftirqd/209:33:062
19596991110,1cyclictest28-21ksoftirqd/212:24:552
19596991110,1cyclictest28-21ksoftirqd/211:00:002
19596991110,1cyclictest28-21ksoftirqd/210:20:132
19594991110,1cyclictest9-21ksoftirqd/011:05:000
1959799109,1cyclictest35-21ksoftirqd/308:50:013
1959799107,2cyclictest35-21ksoftirqd/308:00:013
1959799107,2cyclictest35-21ksoftirqd/308:00:013
1959699109,1cyclictest28-21ksoftirqd/212:30:372
1959699109,1cyclictest28-21ksoftirqd/211:36:542
1959699109,1cyclictest28-21ksoftirqd/209:25:112
1959699109,1cyclictest28-21ksoftirqd/207:24:592
1959699108,1cyclictest28-21ksoftirqd/208:40:002
1959699101,8cyclictest0-21swapper/208:05:202
1959499105,4cyclictest22680-21if_eno112:10:150
1959499103,6cyclictest32096-21perf07:35:000
28627290,0sleep10-21swapper/110:54:541
195969998,1cyclictest28-21ksoftirqd/212:12:152
195969998,1cyclictest28-21ksoftirqd/211:05:132
195969998,1cyclictest28-21ksoftirqd/210:16:502
195969998,1cyclictest28-21ksoftirqd/209:45:132
195969998,1cyclictest28-21ksoftirqd/209:10:152
195969998,1cyclictest28-21ksoftirqd/208:00:132
195969997,1cyclictest28-21ksoftirqd/209:40:162
195969997,1cyclictest28-21ksoftirqd/207:15:002
195969994,1cyclictest28-21ksoftirqd/211:10:262
195969990,8cyclictest16505-21ssh12:01:532
195949997,1cyclictest9-21ksoftirqd/008:45:000
195949990,5cyclictest21181-21ssh10:45:010
195979988,0cyclictest35-21ksoftirqd/310:55:183
195979988,0cyclictest35-21ksoftirqd/310:20:193
195979987,1cyclictest35-21ksoftirqd/312:35:013
195979987,1cyclictest35-21ksoftirqd/312:15:003
195979987,1cyclictest35-21ksoftirqd/312:05:003
195979987,1cyclictest35-21ksoftirqd/311:14:593
195979987,1cyclictest35-21ksoftirqd/310:10:003
195979987,1cyclictest35-21ksoftirqd/309:00:123
195979987,1cyclictest35-21ksoftirqd/308:24:593
195979986,1cyclictest35-21ksoftirqd/310:00:143
195979985,1cyclictest35-21ksoftirqd/312:35:193
195979980,4cyclictest554-21dbus-daemon11:40:013
195969988,0cyclictest28-21ksoftirqd/211:18:012
195969987,1cyclictest28-21ksoftirqd/212:05:172
195969987,1cyclictest28-21ksoftirqd/211:01:402
195969987,1cyclictest28-21ksoftirqd/210:25:132
195969987,1cyclictest28-21ksoftirqd/210:05:112
195969987,1cyclictest28-21ksoftirqd/210:00:112
195969987,1cyclictest28-21ksoftirqd/209:00:172
195969987,1cyclictest0-21swapper/207:54:592
195969986,1cyclictest61650irq/122-eno110:34:082
195969986,1cyclictest61650irq/122-eno108:40:132
195969986,1cyclictest28-21ksoftirqd/212:15:182
195969986,1cyclictest28-21ksoftirqd/209:55:202
195969986,1cyclictest28-21ksoftirqd/207:45:132
195969985,2cyclictest0-21swapper/211:20:092
195969981,6cyclictest271rcuc/209:20:142
195959980,1cyclictest0-21swapper/112:13:021
195949986,1cyclictest9-21ksoftirqd/012:00:000
195949981,6cyclictest10135-21ssh11:55:000
195949981,1cyclictest3509-1kworker/u9:211:06:410
195949980,7cyclictest871-21ssh11:40:500
195949980,6cyclictest28241-21ssh09:29:590
195979977,0cyclictest35-21ksoftirqd/308:05:003
195979976,1cyclictest35-21ksoftirqd/312:30:013
195979976,1cyclictest35-21ksoftirqd/310:50:003
195979976,1cyclictest35-21ksoftirqd/310:00:003
195979976,1cyclictest35-21ksoftirqd/309:40:143
195979976,1cyclictest35-21ksoftirqd/308:10:013
195979976,1cyclictest35-21ksoftirqd/307:45:003
195979976,0cyclictest35-21ksoftirqd/311:30:143
195979975,1cyclictest8415-21ssh10:26:413
195979975,1cyclictest35-21ksoftirqd/308:50:143
195979975,1cyclictest35-21ksoftirqd/308:40:113
195979975,1cyclictest35-21ksoftirqd/308:20:003
195979975,1cyclictest29953-21ssh10:13:183
195979975,1cyclictest14136-21ssh11:16:153
195979974,2cyclictest35-21ksoftirqd/309:26:443
195979972,4cyclictest17617-21aten_r1power_cu10:40:133
195979972,3cyclictest693-21runrttasks10:37:043
195979972,3cyclictest29424-21apt-get12:20:123
195979971,6cyclictest12452-21diskmemload09:19:183
195979970,6cyclictest20603-21ssh12:07:403
195979970,6cyclictest12452-21diskmemload11:56:363
195979970,3cyclictest0-21swapper/311:00:113
195969977,0cyclictest28-21ksoftirqd/209:52:252
195969976,1cyclictest61650irq/122-eno111:31:592
195969976,1cyclictest61650irq/122-eno108:45:132
195969976,1cyclictest28-21ksoftirqd/209:35:122
195969976,1cyclictest28-21ksoftirqd/208:55:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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