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2026-07-31 - 05:17
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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 Jul 30, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21585218721,53sleep021592-21entropy07:05:180
225669917140,113cyclictest12998-21apt-get08:40:320
22566991678,114cyclictest21627-21apt-get11:17:110
22566991659,137cyclictest1305-21snmpd10:40:310
22566991657,118cyclictest26982-21systemctl11:40:020
22566991647,98cyclictest28722-21apt-get09:42:100
22566991639,135cyclictest7669-21sshd08:17:120
225669916022,116cyclictest1408-21nginx09:30:410
22566991599,97cyclictest29181-21fw_conntrack07:35:240
22566991598,113cyclictest31961-21munin-run12:00:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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