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2026-03-16 - 16:36
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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 20 highest latencies:
System rackcslot4.osadl.org (updated Mon Mar 16, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5476672267179,28sleep10-21swapper/107:09:321
5475882258186,27sleep00-21swapper/007:08:420
179699730,3rtkit-daemon1795-21rtkit-daemon10:32:551
179699720,2rtkit-daemon1795-21rtkit-daemon10:23:161
179699690,4rtkit-daemon1795-21rtkit-daemon08:03:230
179699640,3rtkit-daemon1795-21rtkit-daemon10:15:161
6630452620,5sleep00-21swapper/010:42:480
179699580,24rtkit-daemon620723-21sh09:43:311
179699520,4rtkit-daemon1795-21rtkit-daemon07:30:481
179699500,3rtkit-daemon1795-21rtkit-daemon08:33:310
179699490,4rtkit-daemon1795-21rtkit-daemon07:42:381
179699480,4rtkit-daemon1795-21rtkit-daemon09:18:541
179699480,4rtkit-daemon1795-21rtkit-daemon07:51:171
179699450,3rtkit-daemon1795-21rtkit-daemon09:50:201
179699440,3rtkit-daemon1795-21rtkit-daemon10:00:591
179699400,3rtkit-daemon0-21swapper/111:24:241
179699380,3rtkit-daemon0-21swapper/009:51:260
179699370,3rtkit-daemon0-21swapper/111:05:331
179699360,4rtkit-daemon1795-21rtkit-daemon09:47:270
179699360,3rtkit-daemon0-21swapper/009:31:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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