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2025-11-27 - 20:08
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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 rack0slot7.osadl.org (updated Thu Nov 27, 2025 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204684199279277,1cyclictest0-21swapper/519:31:4411
204686699278272,5cyclictest390842-21Renderer19:31:265
204686399274272,2cyclictest0-21swapper/1219:31:084
204683699274268,5cyclictest390842-21Renderer19:31:0810
204683399273271,2cyclictest0-21swapper/319:31:159
204686099251245,5cyclictest323654-21Xorg19:31:153
20289512209186,14sleep90-21swapper/919:05:0615
20464142203180,13sleep70-21swapper/719:08:3413
20306252190181,5sleep20-21swapper/219:05:158
20463702187164,15sleep130-21swapper/1319:08:085
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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