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2026-09-01 - 10:00
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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 10 highest latencies:
System rackcslot4.osadl.org (updated Tue Sep 01, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19302272273190,20sleep10-21swapper/119:08:041
19302912268185,28sleep00-21swapper/019:08:450
20295682600,5sleep10-21swapper/122:20:571
21005482580,3sleep00-21swapper/000:06:480
136599500,4rtkit-daemon1364-21rtkit-daemon22:53:220
1930542994614,7cyclictest13-21ksoftirqd/020:05:000
20003482450,2sleep00-21swapper/021:40:140
136599450,7rtkit-daemon2073472-21ntp_states23:25:211
136599450,2rtkit-daemon0-21swapper/023:13:340
136599430,4rtkit-daemon2051986-21apt-get22:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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