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2026-06-05 - 08:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Jun 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340380995350,2cyclictest610584-21fwupd23:30:301
340385992724,2cyclictest396478-21apt-get20:05:003
34038599272,22cyclictest560252-21apt-get22:45:133
34038399276,19cyclictest596554-21irqcore23:20:162
34038599261,5cyclictest391406-21cron20:00:003
34037799261,2cyclictest580450-21apt-get23:05:130
34037799261,2cyclictest483452-21apt-get21:30:120
34038599252,2cyclictest407224-21apt-get20:15:113
340385992520,3cyclictest355737-21apt-get19:25:113
340385992520,2cyclictest545029-21apt-get22:30:123
34038599251,21cyclictest580450-21apt-get23:05:123
34038599251,21cyclictest0-21swapper/322:40:113
34038599251,20cyclictest340594-21apt-get19:10:113
34038599251,20cyclictest0-21swapper/323:35:123
34038599251,20cyclictest0-21swapper/323:15:123
34038599250,4cyclictest529872-21irqcore22:15:153
34038599250,23cyclictest631294-21basenameime-cro23:55:013
340383992517,6cyclictest427915-21cut20:35:172
34038399251,20cyclictest514252-21apt-get22:00:142
34038099250,4cyclictest585987-21ps23:10:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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