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2026-06-18 - 17:52
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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 Thu Jun 18, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18346991679,136cyclictest3630-21sh00:28:330
18346991676,98cyclictest29777-21apt-get22:02:140
18346991648,116cyclictest2746-21apt-get22:18:270
18346991647,137cyclictest25059-21ntp_states19:35:410
183469916215,106cyclictest1408-21nginx21:16:160
18346991597,103cyclictest13109-21apt-get22:57:130
183469915824,112cyclictest1305-21snmpd23:00:390
18346991579,90cyclictest3718-21apt-get20:22:080
18346991579,108cyclictest20840-21wget21:25:120
18346991577,97cyclictest27036-21apt-get19:46:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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