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2026-06-18 - 01:29
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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 Wed Jun 17, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33083812318278,26sleep10-21swapper/107:09:131
33080472260218,28sleep00-21swapper/007:05:380
34368962600,2sleep03436897-21sh10:58:210
179699560,4rtkit-daemon1795-21rtkit-daemon11:43:220
179699560,4rtkit-daemon1795-21rtkit-daemon10:07:531
179699530,4rtkit-daemon1795-21rtkit-daemon11:00:131
179699510,4rtkit-daemon1795-21rtkit-daemon11:24:211
179699510,4rtkit-daemon1795-21rtkit-daemon07:20:560
179699500,3rtkit-daemon1795-21rtkit-daemon09:46:001
34202402480,4sleep13420244-21gltestperf10:35:191
33756232450,4sleep10-21swapper/109:34:551
179699390,3rtkit-daemon0-21swapper/110:03:141
179699390,3rtkit-daemon0-21swapper/008:24:490
179699380,3rtkit-daemon0-21swapper/010:13:370
179699370,5rtkit-daemon1795-21rtkit-daemon10:25:490
179699370,3rtkit-daemon0-21swapper/012:10:030
179699370,3rtkit-daemon0-21swapper/008:01:130
33515292360,2sleep00-21swapper/008:55:190
179699360,3rtkit-daemon0-21swapper/007:18:290
179699350,4rtkit-daemon1795-21rtkit-daemon09:17:111
179699350,4rtkit-daemon1795-21rtkit-daemon09:12:381
179699350,4rtkit-daemon0-21swapper/008:25:170
179699350,3rtkit-daemon0-21swapper/111:01:390
179699350,3rtkit-daemon0-21swapper/109:48:000
179699340,4rtkit-daemon1795-21rtkit-daemon10:41:581
179699340,4rtkit-daemon1795-21rtkit-daemon09:50:321
179699340,4rtkit-daemon1795-21rtkit-daemon07:58:240
179699340,3rtkit-daemon1795-21rtkit-daemon12:29:461
179699340,3rtkit-daemon0-21swapper/008:15:470
179699330,4rtkit-daemon1795-21rtkit-daemon12:28:450
179699330,3rtkit-daemon0-21swapper/110:40:380
179699330,3rtkit-daemon0-21swapper/109:03:170
179699330,3rtkit-daemon0-21swapper/010:23:591
179699330,3rtkit-daemon0-21swapper/010:15:101
179699320,4rtkit-daemon1795-21rtkit-daemon12:33:431
179699320,4rtkit-daemon1795-21rtkit-daemon11:06:361
179699320,3rtkit-daemon1795-21rtkit-daemon08:41:350
179699320,3rtkit-daemon0-21swapper/109:08:240
179699320,3rtkit-daemon0-21swapper/012:07:341
330861199312,22cyclictest3350823-21apt-get08:55:111
3308611993116,11cyclictest26-21ksoftirqd/111:35:021
179699310,3rtkit-daemon1795-21rtkit-daemon09:08:171
179699310,3rtkit-daemon1795-21rtkit-daemon09:04:511
179699310,3rtkit-daemon0-21swapper/012:03:111
179699310,3rtkit-daemon0-21swapper/008:06:471
3308611993028,1cyclictest0-21swapper/108:44:591
179699300,4rtkit-daemon1795-21rtkit-daemon11:23:220
179699300,3rtkit-daemon1795-21rtkit-daemon09:38:070
179699300,3rtkit-daemon0-21swapper/112:16:440
179699300,3rtkit-daemon0-21swapper/108:51:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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