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2026-06-24 - 01:03
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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 Jun 23, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21122612263202,46sleep00-21swapper/007:06:430
21122562254182,19sleep10-21swapper/107:06:401
214245121530,6sleep12141662-21/usr/sbin/munin08:20:201
21807072740,3chrt0-21swapper/009:35:220
179699600,5rtkit-daemon2161029-21diskmemload11:28:290
179699590,3rtkit-daemon0-21swapper/009:25:170
179699580,4rtkit-daemon0-21swapper/010:04:000
179699570,3rtkit-daemon0-21swapper/009:32:020
179699570,3rtkit-daemon0-21swapper/007:50:290
179699560,3rtkit-daemon0-21swapper/010:10:590
179699550,3rtkit-daemon0-21swapper/011:02:100
179699550,3rtkit-daemon0-21swapper/011:02:090
179699550,3rtkit-daemon0-21swapper/008:09:520
179699540,4rtkit-daemon2296615-21ssh12:15:040
179699540,3rtkit-daemon0-21swapper/010:58:210
179699540,3rtkit-daemon0-21swapper/010:42:240
179699540,3rtkit-daemon0-21swapper/010:39:590
179699530,4rtkit-daemon2236552-21ssh10:51:490
179699530,3rtkit-daemon0-21swapper/011:42:140
179699530,3rtkit-daemon0-21swapper/011:18:290
179699530,3rtkit-daemon0-21swapper/009:58:290
179699530,3rtkit-daemon0-21swapper/007:57:520
179699520,4rtkit-daemon1795-21rtkit-daemon12:35:380
179699520,3rtkit-daemon0-21swapper/012:07:250
179699520,3rtkit-daemon0-21swapper/011:36:300
179699520,3rtkit-daemon0-21swapper/008:40:430
179699520,3rtkit-daemon0-21swapper/008:22:030
179699510,4rtkit-daemon1795-21rtkit-daemon08:35:320
179699510,3rtkit-daemon1795-21rtkit-daemon09:20:230
179699510,3rtkit-daemon0-21swapper/010:32:360
179699510,3rtkit-daemon0-21swapper/009:54:050
179699510,1rtkit-daemon1795-21rtkit-daemon07:14:040
179699500,4rtkit-daemon1795-21rtkit-daemon11:52:360
179699500,3rtkit-daemon0-21swapper/007:31:160
179699490,4rtkit-daemon1795-21rtkit-daemon10:27:530
179699490,4rtkit-daemon1795-21rtkit-daemon10:20:200
179699490,3rtkit-daemon1795-21rtkit-daemon10:21:241
179699490,1rtkit-daemon1795-21rtkit-daemon09:00:090
179699480,4rtkit-daemon1795-21rtkit-daemon07:17:330
179699480,3rtkit-daemon1795-21rtkit-daemon08:58:240
179699480,3rtkit-daemon0-21swapper/010:45:120
179699480,19rtkit-daemon26-21ksoftirqd/108:03:010
179699470,4rtkit-daemon1795-21rtkit-daemon07:22:000
179699470,3rtkit-daemon1795-21rtkit-daemon07:44:140
179699470,20rtkit-daemon2112710-21cyclictest10:08:310
179699460,4rtkit-daemon1795-21rtkit-daemon08:26:350
179699460,3rtkit-daemon1795-21rtkit-daemon12:03:140
179699460,1rtkit-daemon1795-21rtkit-daemon08:30:300
179699460,1rtkit-daemon1795-21rtkit-daemon08:30:300
22112592450,1sleep00-21swapper/010:18:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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