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2026-07-14 - 00:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Mon Jul 13, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
921224302176,59sleep00-21swapper06:59:470
13659914170,49cyclictest4293-21/usr/sbin/munin11:15:070
13659913971,47cyclictest23770-21munin-run10:38:260
13659913573,45cyclictest26153-21missed_timers10:44:480
13659913572,42cyclictest5426-21irqstats09:44:370
13659913571,45cyclictest27499-21/usr/sbin/munin12:24:000
13659913570,43cyclictest3415-21aten_r5power_vo09:39:000
13659913569,46cyclictest12879-21/usr/sbin/munin11:40:080
13659913565,48cyclictest27630-21memory09:14:500
13659913465,47cyclictest10902-21sendmail_mailqu10:00:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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