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2026-06-10 - 13:27
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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 10 highest latencies:
System rack5slot0.osadl.org (updated Wed Jun 10, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203021470,0sleep32029-21bash21:56:043
1802321350,3sleep01691399cyclictest23:50:490
1106021170,4sleep11691499cyclictest23:20:501
1659929532,50sleep10-21swapper/119:09:191
110292950,0sleep00-21swapper/022:31:150
50702930,2sleep15066-21bash22:00:211
203672900,2sleep30-21swapper/322:28:533
170302890,0sleep00-21swapper/023:58:270
13242890,2sleep32512-21runrttasks22:19:273
17342870,2sleep20-21swapper/221:49:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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