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2025-12-09 - 06:50
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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 rackbslot2.osadl.org (updated Mon Dec 08, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36464342230177,19sleep00-21swapper/007:09:460
36462592230199,20sleep10-21swapper/107:07:301
36460632222193,20sleep30-21swapper/307:05:363
36464002220189,20sleep20-21swapper/207:09:202
3646627996256,3cyclictest3886038-21munin-node11:45:021
3646627995953,4cyclictest3885706-21latency_hist11:45:011
3646622995852,2cyclictest3707503-21kworker/u8:2+flush-179:008:30:140
3646622995751,4cyclictest3932861-21latency_hist12:40:010
3646622995747,8cyclictest3720677-21kworker/u8:4+events_unbound09:00:050
3646622995344,8cyclictest3595740-21kworker/u8:1+events_unbound08:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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