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2026-03-18 - 13:41
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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 Mar 18, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7915562267225,28sleep10-21swapper/119:07:331
7915482252179,58sleep00-21swapper/019:07:280
91139521620,2sleep1911398-21wc22:45:231
179699590,3rtkit-daemon1795-21rtkit-daemon22:25:330
179699560,5rtkit-daemon1795-21rtkit-daemon19:37:170
179699540,4rtkit-daemon1795-21rtkit-daemon20:28:350
179699540,3rtkit-daemon1795-21rtkit-daemon19:20:520
179699530,4rtkit-daemon1795-21rtkit-daemon20:11:321
179699520,3rtkit-daemon1795-21rtkit-daemon23:15:110
179699520,3rtkit-daemon1795-21rtkit-daemon21:06:550
179699510,4rtkit-daemon1795-21rtkit-daemon22:51:421
179699510,4rtkit-daemon1795-21rtkit-daemon22:08:021
179699500,4rtkit-daemon1795-21rtkit-daemon00:36:411
179699500,3rtkit-daemon1795-21rtkit-daemon22:14:361
179699500,3rtkit-daemon1795-21rtkit-daemon20:31:221
179699500,3rtkit-daemon0-21swapper/123:29:441
9330412490,1chrt932047-21/usr/sbin/munin23:15:241
179699490,4rtkit-daemon1795-21rtkit-daemon00:07:141
179699490,3rtkit-daemon1795-21rtkit-daemon23:52:191
179699490,3rtkit-daemon0-21swapper/121:21:201
179699480,4rtkit-daemon1795-21rtkit-daemon19:26:441
179699480,3rtkit-daemon1795-21rtkit-daemon19:21:341
179699480,3rtkit-daemon1795-21rtkit-daemon19:12:010
179699480,17rtkit-daemon1795-21rtkit-daemon22:17:231
179699470,4rtkit-daemon1795-21rtkit-daemon00:02:571
179699470,3rtkit-daemon1795-21rtkit-daemon23:46:031
179699470,3rtkit-daemon1795-21rtkit-daemon20:27:331
179699460,16rtkit-daemon1795-21rtkit-daemon22:55:301
179699450,3rtkit-daemon1795-21rtkit-daemon21:14:420
179699450,3rtkit-daemon1795-21rtkit-daemon19:12:341
179699450,1rtkit-daemon1795-21rtkit-daemon22:37:401
179699440,3rtkit-daemon1795-21rtkit-daemon23:12:371
179699440,3rtkit-daemon1795-21rtkit-daemon21:17:171
179699440,3rtkit-daemon0-21swapper/122:52:030
179699440,17rtkit-daemon1795-21rtkit-daemon21:31:101
179699430,3rtkit-daemon0-21swapper/100:09:080
179699420,4rtkit-daemon1795-21rtkit-daemon20:44:031
179699420,3rtkit-daemon1795-21rtkit-daemon20:00:341
179699420,3rtkit-daemon0-21swapper/100:21:430
179699420,1rtkit-daemon1795-21rtkit-daemon21:52:221
179699410,4rtkit-daemon1795-21rtkit-daemon23:20:290
179699410,4rtkit-daemon1795-21rtkit-daemon20:21:330
179699410,4rtkit-daemon1795-21rtkit-daemon19:56:020
179699410,3rtkit-daemon0-21swapper/120:32:010
179699410,3rtkit-daemon0-21swapper/119:48:490
179699410,1rtkit-daemon1795-21rtkit-daemon00:13:441
179699400,4rtkit-daemon1795-21rtkit-daemon23:56:510
179699400,4rtkit-daemon1795-21rtkit-daemon00:14:130
179699400,3rtkit-daemon1795-21rtkit-daemon23:52:330
179699400,3rtkit-daemon1795-21rtkit-daemon22:32:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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