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2026-09-20 - 22:51
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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 10 highest latencies:
System rackeslot4.osadl.org (updated Sun Sep 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204403992723,3cyclictest428511-21sh10:50:000
20441099262,22cyclictest489838-21apt-get11:50:132
20441099261,22cyclictest515679-21apt-get12:15:122
20440699262,20cyclictest505495-21apt-get12:05:111
20440399261,23cyclictest3777322-21systemd-journal09:10:000
204413992520,3cyclictest229923-21apt-get07:35:143
20441399251,21cyclictest378082-21apt-get10:00:123
20441399251,21cyclictest260407-21apt-get08:05:133
20441099252,20cyclictest438950-21apt-get11:00:122
204410992520,3cyclictest474299-21turbostat.cron11:35:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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