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2026-04-30 - 14:39
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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 Thu Apr 30, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32686542313272,27sleep00-21swapper/019:08:420
32684082313271,28sleep10-21swapper/119:06:031
179699630,3rtkit-daemon1795-21rtkit-daemon21:49:220
33322592620,4sleep03268907-21cyclictest21:26:420
34392182550,2sleep00-21swapper/000:17:180
179699520,4rtkit-daemon1795-21rtkit-daemon22:02:241
179699520,4rtkit-daemon1795-21rtkit-daemon21:05:361
33450872510,4sleep00-21swapper/021:44:360
179699480,4rtkit-daemon1795-21rtkit-daemon00:01:551
179699470,4rtkit-daemon1795-21rtkit-daemon23:04:531
179699460,4rtkit-daemon1795-21rtkit-daemon20:18:511
179699380,6rtkit-daemon1795-21rtkit-daemon23:10:120
179699380,6rtkit-daemon1795-21rtkit-daemon00:20:140
33256132370,3chrt0-21swapper/121:18:321
326891499370,35cyclictest0-21swapper/119:15:171
179699360,3rtkit-daemon0-21swapper/123:05:010
179699360,3rtkit-daemon0-21swapper/023:37:230
179699350,5rtkit-daemon3366017-21ssh22:16:010
179699350,5rtkit-daemon1795-21rtkit-daemon19:20:110
179699350,4rtkit-daemon1795-21rtkit-daemon23:10:191
179699350,4rtkit-daemon1795-21rtkit-daemon19:10:241
179699350,3rtkit-daemon0-21swapper/123:43:571
33277062340,5sleep13327704-21sensors_temp21:20:231
3268909993430,2cyclictest3404649-21rm23:19:060
179699340,4rtkit-daemon1795-21rtkit-daemon20:06:161
179699340,3rtkit-daemon0-21swapper/121:18:590
179699340,3rtkit-daemon0-21swapper/120:31:281
179699330,4rtkit-daemon1795-21rtkit-daemon22:55:161
179699330,4rtkit-daemon1795-21rtkit-daemon22:33:091
179699330,3rtkit-daemon1795-21rtkit-daemon20:03:291
179699330,3rtkit-daemon1795-21rtkit-daemon19:50:211
179699330,3rtkit-daemon0-21swapper/121:32:391
179699330,3rtkit-daemon0-21swapper/120:56:260
179699330,3rtkit-daemon0-21swapper/020:49:441
3268914993230,1cyclictest0-21swapper/100:10:361
179699320,4rtkit-daemon1795-21rtkit-daemon20:56:561
179699320,3rtkit-daemon1795-21rtkit-daemon22:06:371
179699320,3rtkit-daemon1795-21rtkit-daemon21:51:591
179699320,3rtkit-daemon0-21swapper/100:31:080
179699320,3rtkit-daemon0-21swapper/100:06:520
179699310,4rtkit-daemon1795-21rtkit-daemon19:33:550
179699310,3rtkit-daemon1795-21rtkit-daemon20:37:091
179699310,3rtkit-daemon1795-21rtkit-daemon19:42:580
179699310,3rtkit-daemon0-21swapper/120:38:550
179699300,4rtkit-daemon1795-21rtkit-daemon21:23:070
179699300,3rtkit-daemon1795-21rtkit-daemon23:26:040
179699300,3rtkit-daemon0-21swapper/123:54:190
179699300,3rtkit-daemon0-21swapper/021:46:031
326891499290,1cyclictest0-21swapper/120:50:151
179699290,3rtkit-daemon1795-21rtkit-daemon22:49:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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