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2026-04-04 - 15:24
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Sat Apr 04, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89514299303265,26cyclictest903181-31find07:37:280
98032823000,3sleep0980329-21/usr/sbin/munin12:15:110
98379222930,2sleep0983793-21readlink12:26:190
89514299291260,20cyclictest29-21kswapd007:41:040
93481122650,3chrt934800-21ntpq09:31:030
95149722610,4chrt951485-21ntpq10:30:480
95842022480,3chrt958417-21ntpq10:55:420
94857322480,4chrt948571-21memory10:20:280
94737122450,3chrt947367-21ntp_states10:15:590
91915922450,3chrt919158-21/usr/sbin/munin08:35:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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