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2026-08-29 - 11:47
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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 rack0slot2.osadl.org (updated Sat Aug 29, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156619626049,7sleep50-21swapper/519:05:015
1575740994239,2cyclictest1734530-21kworker/u16:0+events_unbound23:14:525
1575740994139,2cyclictest1755364-21kworker/u16:4+events_unbound20:55:205
157546324130,8sleep40-21swapper/419:09:494
1575747993937,1cyclictest0-21swapper/721:20:527
1575740993937,2cyclictest2228581-21kworker/u16:1+events_unbound00:18:565
1575740993936,2cyclictest2228581-21kworker/u16:1+flush-8:000:31:365
15751582393,31sleep70-21swapper/719:05:357
1575747993837,0cyclictest0-21swapper/722:42:377
1575747993837,0cyclictest0-21swapper/700:10:247
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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