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2026-08-16 - 09:31
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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 rackeslot4.osadl.org (updated Sun Aug 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663405993219,11cyclictest2948835-21cron23:50:000
266341499311,22cyclictest2779544-21ntpq21:00:203
266340599319,9cyclictest0-21swapper/021:40:110
266341499301,3cyclictest2928812-21apt-get23:30:133
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,16cyclictest2765283-21latency_hist20:50:000
2663414992920,7cyclictest0-21swapper/322:34:593
266341499290,3cyclictest2684418-21tr19:30:173
266341499290,20cyclictest2948831-21cron23:50:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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