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2026-05-31 - 23:00
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Sun May 31, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19016692261187,59sleep10-21swapper/107:09:081
19013432261188,28sleep00-21swapper/007:05:360
19735512560,2sleep01973553-21rm09:39:510
19115052510,4sleep11911508-21needreboot07:30:191
179699510,3rtkit-daemon1795-21rtkit-daemon10:37:561
179699430,4rtkit-daemon1795-21rtkit-daemon08:54:261
20653472410,4sleep10-21swapper/111:45:141
190187199411,7cyclictest13-21ksoftirqd/010:55:010
190187199410,8cyclictest13-21ksoftirqd/008:25:000
179699410,6rtkit-daemon1982529-21users09:50:241
179699410,5rtkit-daemon2010176-21python310:30:020
179699410,3rtkit-daemon0-21swapper/011:43:041
190187199401,7cyclictest2100866-21python312:35:010
190187199400,7cyclictest13-21ksoftirqd/009:50:010
190187199390,9cyclictest13-21ksoftirqd/011:40:010
179699390,5rtkit-daemon2045929-21ssh11:18:161
20036462380,3sleep1251rcuc/110:20:181
190187199380,8cyclictest13-21ksoftirqd/011:10:000
190187199380,6cyclictest13-21ksoftirqd/011:45:010
190187199380,6cyclictest13-21ksoftirqd/008:05:000
190187199370,8cyclictest13-21ksoftirqd/012:15:020
190187199370,8cyclictest13-21ksoftirqd/009:15:010
179699370,3rtkit-daemon0-21swapper/011:14:551
190187199364,7cyclictest13-21ksoftirqd/012:15:130
190187199361,7cyclictest13-21ksoftirqd/010:50:000
190187199360,9cyclictest13-21ksoftirqd/011:50:220
190187199360,8cyclictest13-21ksoftirqd/010:20:000
190187199360,8cyclictest13-21ksoftirqd/009:20:240
190187199360,7cyclictest13-21ksoftirqd/012:10:010
190187199360,7cyclictest13-21ksoftirqd/008:20:010
179699360,3rtkit-daemon0-21swapper/009:44:090
190187199350,9cyclictest13-21ksoftirqd/009:55:230
190187199350,8cyclictest13-21ksoftirqd/011:45:230
190187199350,8cyclictest13-21ksoftirqd/007:30:010
190187199350,7cyclictest13-21ksoftirqd/008:55:010
179699350,3rtkit-daemon0-21swapper/012:04:320
190187199340,8cyclictest13-21ksoftirqd/007:25:010
190187199340,7cyclictest13-21ksoftirqd/010:00:240
190187199340,5cyclictest13-21ksoftirqd/007:50:000
179699340,4rtkit-daemon1795-21rtkit-daemon10:48:491
179699340,4rtkit-daemon1795-21rtkit-daemon08:12:050
179699340,3rtkit-daemon1795-21rtkit-daemon08:05:090
179699340,3rtkit-daemon0-21swapper/110:50:431
190187199330,8cyclictest13-21ksoftirqd/010:55:240
190187199330,7cyclictest13-21ksoftirqd/009:30:210
179699330,3rtkit-daemon1795-21rtkit-daemon11:25:190
179699330,3rtkit-daemon1795-21rtkit-daemon10:14:570
179699330,3rtkit-daemon0-21swapper/110:33:381
179699330,3rtkit-daemon0-21swapper/010:15:451
190187199321,7cyclictest2032469-21apt-get11:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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