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2026-05-19 - 16:47
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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 Tue May 19, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3040902256184,27sleep00-21swapper/007:07:140
3040122245180,51sleep10-21swapper/107:06:261
34105021550,4sleep1341054-21idleruntime-cro08:40:001
3728072640,5sleep1372809-21grep09:35:171
3111362620,5sleep0161rcuc/007:25:140
179699570,4rtkit-daemon1795-21rtkit-daemon12:07:170
179699560,3rtkit-daemon1795-21rtkit-daemon07:30:190
179699500,4rtkit-daemon1795-21rtkit-daemon07:53:270
179699500,4rtkit-daemon1795-21rtkit-daemon07:19:430
179699490,4rtkit-daemon1795-21rtkit-daemon08:53:400
5076482480,3sleep00-21swapper/012:35:230
179699480,4rtkit-daemon1795-21rtkit-daemon07:39:420
4283792470,4sleep10-21swapper/110:49:331
3141402470,2sleep10-21swapper/107:30:191
179699450,3rtkit-daemon1795-21rtkit-daemon07:58:170
179699440,3rtkit-daemon1795-21rtkit-daemon10:33:001
179699430,3rtkit-daemon1795-21rtkit-daemon11:43:080
3866632410,5sleep10-21swapper/109:54:331
4419512400,5sleep0161rcuc/011:07:140
179699390,3rtkit-daemon0-21swapper/109:16:041
179699370,5rtkit-daemon1795-21rtkit-daemon08:00:130
179699370,3rtkit-daemon0-21swapper/109:50:240
179699370,3rtkit-daemon0-21swapper/108:24:171
179699370,3rtkit-daemon0-21swapper/010:56:250
304466993631,3cyclictest409693-21test10:25:031
179699360,5rtkit-daemon424526-21taskset10:44:211
179699360,4rtkit-daemon1795-21rtkit-daemon09:20:121
179699360,4rtkit-daemon1795-21rtkit-daemon07:20:190
179699360,3rtkit-daemon0-21swapper/007:48:380
179699360,3rtkit-daemon0-21swapper/007:40:051
179699350,5rtkit-daemon1795-21rtkit-daemon12:05:121
179699350,4rtkit-daemon1795-21rtkit-daemon10:36:311
179699350,3rtkit-daemon1795-21rtkit-daemon09:40:121
179699350,3rtkit-daemon0-21swapper/011:56:371
179699340,5rtkit-daemon1795-21rtkit-daemon12:17:240
179699340,3rtkit-daemon0-21swapper/111:33:271
179699340,3rtkit-daemon0-21swapper/110:44:350
179699340,3rtkit-daemon0-21swapper/008:14:140
179699330,4rtkit-daemon1795-21rtkit-daemon11:48:340
179699330,3rtkit-daemon1795-21rtkit-daemon11:03:270
179699330,3rtkit-daemon0-21swapper/111:32:460
179699330,3rtkit-daemon0-21swapper/108:29:550
179699330,3rtkit-daemon0-21swapper/108:20:040
179699320,3rtkit-daemon1795-21rtkit-daemon11:54:220
179699320,3rtkit-daemon0-21swapper/109:16:260
179699320,3rtkit-daemon0-21swapper/008:57:341
179699310,4rtkit-daemon0-21swapper/007:22:201
179699310,3rtkit-daemon1795-21rtkit-daemon12:02:120
179699310,3rtkit-daemon1795-21rtkit-daemon09:48:171
179699310,3rtkit-daemon0-21swapper/110:28:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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