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2026-05-08 - 11:00
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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 20 highest latencies:
System rackcslot4.osadl.org (updated Fri May 08, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2336712268209,43sleep10-21swapper/119:07:331
2335222236194,28sleep00-21swapper/019:05:560
179699590,3rtkit-daemon1795-21rtkit-daemon23:06:351
179699570,4rtkit-daemon1795-21rtkit-daemon19:51:421
179699550,3rtkit-daemon1795-21rtkit-daemon22:57:551
179699540,4rtkit-daemon1795-21rtkit-daemon20:37:281
179699530,4rtkit-daemon1795-21rtkit-daemon22:11:031
179699520,9rtkit-daemon0-21swapper/119:18:041
179699500,4rtkit-daemon1795-21rtkit-daemon20:59:160
179699500,4rtkit-daemon1795-21rtkit-daemon20:44:181
179699490,3rtkit-daemon1795-21rtkit-daemon21:55:501
4065762470,5sleep10-21swapper/123:54:311
3871042470,3sleep00-21swapper/023:28:260
3838422470,3sleep10-21swapper/123:24:171
179699470,3rtkit-daemon1795-21rtkit-daemon21:50:110
179699460,4rtkit-daemon1795-21rtkit-daemon21:10:060
179699460,3rtkit-daemon1795-21rtkit-daemon22:31:521
179699460,3rtkit-daemon1795-21rtkit-daemon20:08:431
179699410,3rtkit-daemon0-21swapper/021:08:070
179699400,5rtkit-daemon282698-21diskmemload21:58:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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