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2026-08-09 - 07:50
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Sun Aug 09, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176799915315,127cyclictest11847-21needreboot20:49:410
176799915014,39cyclictest27507-21munin-node21:39:140
176799914915,41cyclictest14939-21fschecks_count00:19:250
176799914715,42cyclictest25780-21seq23:13:350
176799914715,122cyclictest11804-21sort00:09:280
176799914714,43cyclictest10514-21sendmail_mailst22:24:500
176799914615,38cyclictest18947-21sshd22:50:410
176799914615,121cyclictest29146-21hostname21:44:160
176799914614,36cyclictest4517-21chrt20:27:400
176799914515,39cyclictest14616-21sed00:19:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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