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2026-03-14 - 12:57
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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 Sat Mar 14, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1247223080,9sleep012470-21sshd19:07:230
128489917025,125cyclictest1408-21nginx20:16:360
128489917025,115cyclictest1408-21nginx19:51:290
128489916525,121cyclictest1408-21nginx22:45:590
12848991649,133cyclictest28917-21apt-get22:18:130
12848991637,16cyclictest21733-21df21:50:160
128489916125,98cyclictest1408-21nginx21:01:440
12848991599,130cyclictest16677-21/usr/sbin/munin19:25:100
128489915954,96cyclictest32388-21rm22:30:210
128489915926,114cyclictest1408-21nginx19:46:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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