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2026-04-29 - 19:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Wed Apr 29, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502160,0irq/45-4a1000001187-21kworker/0:407:04:440
7450930,0irq/46-4a10000017062-21cstates12:30:120
2469999373,0cyclictest0-21swapper10:31:000
2469999248,0cyclictest0-21swapper11:40:310
1048529212,0sleep010486-21fw_forwarded_lo12:10:300
7450910,0irq/46-4a10000013743-21diskstats07:35:200
2469999171,0cyclictest0-21swapper08:00:490
2469999159,0cyclictest0-21swapper08:35:520
2469999069,0cyclictest0-21swapper12:00:500
2469999059,0cyclictest0-21swapper08:20:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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