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2026-06-22 - 05:29
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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 rack4slot6.osadl.org (updated Mon Jun 22, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12192521210,113pltrace0-21swapper/719:05:227
14978521190,114pltrace0-21swapper/319:10:013
1219252930,78pltrace0-21swapper/619:05:066
1483329055,9sleep20-21swapper/219:08:052
1497852880,85pltrace0-21swapper/519:09:575
213332810,0sleep10-21swapper/121:12:051
1494526349,10sleep10-21swapper/119:09:401
1480425945,10sleep00-21swapper/019:07:390
1470325945,10sleep40-21swapper/419:06:144
1740352540,1pltrace17406-21pltrace-run00:39:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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