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2026-04-02 - 22:42
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu Apr 02, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238301199341,23cyclictest2406288-21cron07:50:000
238301199341,23cyclictest2406288-21cron07:50:000
238301199321,20cyclictest2632721-21cron11:40:000
2383011993118,11cyclictest0-21swapper/012:10:140
238301199311,21cyclictest2555061-21ntpq10:20:190
238301199310,22cyclictest2668866-21cat12:15:130
238301199310,22cyclictest2509663-21apt-config09:40:000
238301199291,3cyclictest2592498-21apt-get11:00:120
238301199291,20cyclictest2673465-21apt-get12:20:110
238301199290,21cyclictest2658770-21ps12:05:180
238301199280,1cyclictest0-21swapper/012:25:110
238301199280,1cyclictest0-21swapper/010:50:160
238302299271,23cyclictest2577385-21irqcore10:45:153
2383011992719,7cyclictest0-21swapper/007:15:080
2383011992716,9cyclictest2549977-21ntpq10:15:200
238301199270,26cyclictest0-21swapper/008:50:120
238302299260,25cyclictest2607401-21awk11:15:003
2383019992624,1cyclictest2494046-21cut09:24:592
238301599261,21cyclictest2688651-21apt-get12:35:111
2383011992611,2cyclictest0-21swapper/011:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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