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2025-07-20 - 05:50
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Sun Jul 20, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7497220728,51sleep00-21swapper/019:08:460
77099914574,51cyclictest7172-21wget21:15:150
77099914474,31cyclictest1424-21nginx19:33:180
77099914469,20cyclictest20125-21apt-get20:02:090
77099914371,53cyclictest1356-21snmpd20:18:220
77099914268,35cyclictest19526-21sshd22:01:310
77099914267,22cyclictest17410-21munin-run00:00:020
77099914181,19cyclictest2811-21find23:00:540
77099914176,23cyclictest11259-21diskstats21:30:330
77099914165,37cyclictest1356-21snmpd23:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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