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2026-04-30 - 22:22
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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 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7032862271189,28sleep00-21swapper/007:09:380
7032362257188,54sleep10-21swapper/107:09:051
179699730,4rtkit-daemon1795-21rtkit-daemon10:38:321
179699680,4rtkit-daemon1795-21rtkit-daemon12:02:511
179699550,4rtkit-daemon1795-21rtkit-daemon07:10:080
179699500,3rtkit-daemon1795-21rtkit-daemon11:14:331
9061902490,5sleep00-21swapper/012:31:290
179699480,3rtkit-daemon1795-21rtkit-daemon09:21:151
179699460,5rtkit-daemon1795-21rtkit-daemon11:23:440
179699420,5rtkit-daemon748697-21apt-get09:05:131
7692332390,26sleep0893-21snmpd09:33:080
179699390,3rtkit-daemon0-21swapper/109:37:541
179699380,3rtkit-daemon0-21swapper/110:28:301
179699360,4rtkit-daemon1795-21rtkit-daemon12:27:171
179699360,4rtkit-daemon1795-21rtkit-daemon11:24:421
179699360,4rtkit-daemon1795-21rtkit-daemon11:08:511
179699360,4rtkit-daemon1795-21rtkit-daemon10:40:150
179699360,3rtkit-daemon1795-21rtkit-daemon10:49:420
179699360,3rtkit-daemon0-21swapper/110:16:010
179699360,3rtkit-daemon0-21swapper/108:50:381
70347499350,34cyclictest0-21swapper/109:17:361
179699350,4rtkit-daemon1795-21rtkit-daemon12:20:471
179699350,4rtkit-daemon1795-21rtkit-daemon12:00:370
179699350,4rtkit-daemon1795-21rtkit-daemon10:32:381
179699350,3rtkit-daemon0-21swapper/108:26:031
179699350,3rtkit-daemon0-21swapper/108:26:031
179699350,3rtkit-daemon0-21swapper/010:40:541
179699350,3rtkit-daemon0-21swapper/008:01:121
179699340,4rtkit-daemon1795-21rtkit-daemon12:32:021
179699340,4rtkit-daemon1795-21rtkit-daemon09:57:110
179699340,3rtkit-daemon1795-21rtkit-daemon09:49:330
179699340,3rtkit-daemon0-21swapper/112:10:420
179699340,3rtkit-daemon0-21swapper/111:16:070
179699340,3rtkit-daemon0-21swapper/010:48:561
179699340,3rtkit-daemon0-21swapper/010:00:141
703471993329,3cyclictest66950irq/132-enp2s011:06:430
703471993327,4cyclictest736543-21grep08:30:180
179699330,4rtkit-daemon1795-21rtkit-daemon07:26:310
179699330,3rtkit-daemon1795-21rtkit-daemon07:37:201
179699330,3rtkit-daemon0-21swapper/112:24:090
179699330,3rtkit-daemon0-21swapper/108:29:350
179699330,3rtkit-daemon0-21swapper/108:29:350
179699330,3rtkit-daemon0-21swapper/108:13:040
179699330,3rtkit-daemon0-21swapper/010:51:351
179699330,3rtkit-daemon0-21swapper/009:55:341
179699330,3rtkit-daemon0-21swapper/007:56:591
179699320,4rtkit-daemon1795-21rtkit-daemon09:50:410
179699320,3rtkit-daemon0-21swapper/111:14:180
179699320,3rtkit-daemon0-21swapper/110:10:430
179699320,3rtkit-daemon0-21swapper/110:04:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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