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2026-01-07 - 06:19
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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 Jan 07, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224567723750,9sleep10-21swapper/119:05:161
22471922276193,28sleep00-21swapper/019:09:400
232236521490,3sleep1251rcuc/121:43:291
242455621100,3sleep00-21swapper/023:55:030
179699600,4rtkit-daemon1795-21rtkit-daemon23:40:121
179699580,5rtkit-daemon1795-21rtkit-daemon23:17:061
179699540,3rtkit-daemon1795-21rtkit-daemon23:38:251
179699530,4rtkit-daemon1795-21rtkit-daemon20:48:261
179699520,4rtkit-daemon1795-21rtkit-daemon20:06:191
23695412510,4sleep00-21swapper/022:44:260
179699510,4rtkit-daemon1795-21rtkit-daemon23:24:370
179699510,4rtkit-daemon1795-21rtkit-daemon23:03:001
179699500,3rtkit-daemon1795-21rtkit-daemon00:27:300
179699490,3rtkit-daemon1795-21rtkit-daemon00:14:380
179699480,4rtkit-daemon1795-21rtkit-daemon00:24:480
179699480,3rtkit-daemon1795-21rtkit-daemon00:05:111
179699480,3rtkit-daemon0-21swapper/122:14:371
179699470,3rtkit-daemon1795-21rtkit-daemon22:22:031
179699470,1rtkit-daemon1795-21rtkit-daemon23:16:530
179699460,3rtkit-daemon1795-21rtkit-daemon19:43:561
179699460,3rtkit-daemon0-21swapper/121:01:021
179699450,4rtkit-daemon1795-21rtkit-daemon00:39:310
179699450,3rtkit-daemon0-21swapper/119:33:361
179699440,6rtkit-daemon2361571-21apt-get22:35:181
179699440,4rtkit-daemon1795-21rtkit-daemon21:18:090
179699430,4rtkit-daemon1795-21rtkit-daemon22:02:571
179699430,1rtkit-daemon1795-21rtkit-daemon20:35:060
23290342420,2sleep10-21swapper/121:50:571
179699420,4rtkit-daemon1795-21rtkit-daemon23:54:251
179699420,4rtkit-daemon1795-21rtkit-daemon21:14:421
179699420,3rtkit-daemon0-21swapper/022:49:501
179699420,3rtkit-daemon0-21swapper/021:28:211
179699420,1rtkit-daemon1795-21rtkit-daemon19:41:170
23891712410,4sleep02247353-21cyclictest23:10:000
179699410,4rtkit-daemon1795-21rtkit-daemon22:32:361
179699410,4rtkit-daemon1795-21rtkit-daemon21:57:141
179699410,3rtkit-daemon0-21swapper/023:20:411
179699410,3rtkit-daemon0-21swapper/000:16:391
179699400,5rtkit-daemon1795-21rtkit-daemon00:04:301
179699400,3rtkit-daemon0-21swapper/022:44:221
179699400,1rtkit-daemon1795-21rtkit-daemon20:25:550
179699390,3rtkit-daemon0-21swapper/119:45:541
179699390,3rtkit-daemon0-21swapper/021:24:301
179699380,3rtkit-daemon1795-21rtkit-daemon23:34:331
179699380,3rtkit-daemon0-21swapper/021:36:201
179699380,3rtkit-daemon0-21swapper/019:12:111
179699380,1rtkit-daemon1795-21rtkit-daemon20:43:450
179699370,3rtkit-daemon0-21swapper/021:19:041
179699370,3rtkit-daemon0-21swapper/000:17:510
179699360,4rtkit-daemon1795-21rtkit-daemon21:37:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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