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2026-07-18 - 17:27
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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 rack7slot8.osadl.org (updated Sat Jul 18, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11175231633,92sleep010947-21/usr/sbin/munin19:05:220
121359910328,20cyclictest13016-21apt-get21:18:170
121359910141,41cyclictest0-21swapper/019:53:350
121359910133,34cyclictest19065-21wget23:45:140
121359910128,53cyclictest2158-21https20:40:060
121359910025,36cyclictest10749-21fw_conntrack21:10:430
121359910023,59cyclictest1408-21nginx23:53:590
12135999926,36cyclictest10246-21apt-get23:17:210
12135999841,22cyclictest15610-21runrttasks21:29:010
12135999835,45cyclictest1305-21snmpd00:05:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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