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2024-05-29 - 02:05
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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 Tue May 28, 2024 14:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20477214120,10sleep020439-21nodejs07:07:280
209599913658,63cyclictest7806-21ntp_states08:21:300
209599912061,43cyclictest21036-21nodejs07:10:150
209599912053,49cyclictest4997-21nodejs10:13:310
209599912052,51cyclictest3650irq/20-4900000009:31:330
209599912045,34cyclictest18682-21munin-run11:05:060
209599911947,21cyclictest28597-21nodejs07:39:010
209599911865,37cyclictest3650irq/20-4900000010:46:180
209599911852,47cyclictest802-21dbus-daemon12:16:420
209599911846,53cyclictest762-21systemd-journal11:13:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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