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2026-01-02 - 06:48
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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 Fri Jan 02, 2026 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
944323070,7sleep09442-21/usr/sbin/munin19:05:250
103209912096,14cyclictest0-21swapper/019:10:110
103209910733,54cyclictest12402-21ntp_states19:15:390
103209910532,34cyclictest16385-21latency_hist23:50:060
103209910531,52cyclictest754-21systemd-journal21:50:000
103209910530,35cyclictest11907-21ntp_states23:30:420
103209910426,39cyclictest18662-21ntp_states19:40:430
103209910338,44cyclictest4402-21apt-get20:56:350
103209910147,36cyclictest32590-21if_err_eth022:45:300
103209910131,33cyclictest1305-21snmpd22:08:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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