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2025-11-09 - 01:36
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack1slot8.osadl.org (updated Sun Nov 09, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9745999265,904cyclictest0-21swapper/021:15:260
9746998994,869cyclictest0-21swapper/119:11:291
974699859794,57cyclictest24803-21ssh21:15:251
93312804782,15sleep00-21swapper/019:06:090
974599777709,61cyclictest0-21swapper/019:11:280
2168991260,10rtkit-daemon0-21swapper/123:31:421
97469911023,46cyclictest0-21swapper/122:49:001
98862990,4sleep041ktimersoftd/000:31:420
293512940,5sleep00-21swapper/021:23:570
7502920,3sleep1743-21pluginstate20:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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