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2025-04-02 - 08:22
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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 Apr 01, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22416221328,58sleep00-21swapper/007:07:330
227669914369,57cyclictest1356-21snmpd11:40:030
227669914369,52cyclictest21930-21sshd11:43:230
227669914364,24cyclictest30025-21apt-get07:40:460
227669914163,41cyclictest2415-21apt-get08:02:100
227669913968,53cyclictest14828-21http08:55:030
227669913965,39cyclictest4156-21ntp_states10:30:350
227669913965,21cyclictest1696-21diskstats12:30:360
227669913874,22cyclictest857-21irqstats10:15:330
227669913871,35cyclictest14817-21apt-get08:56:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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