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2026-09-08 - 11:08
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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 rack5slot7.osadl.org (updated Tue Sep 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21621224592216,94sleep00-21swapper18:58:430
218719917221,28cyclictest13335-21irqstats22:41:570
218719917122,30cyclictest3396-21ntp_states23:47:110
218719917020,26cyclictest30075-21apt-get23:31:000
218719916837,23cyclictest28913-21switchtime21:52:170
218719916642,104cyclictest27009-21sh23:21:380
218719916520,29cyclictest8162-21irqstats22:26:510
218719916518,41cyclictest11606-21irqstats22:36:510
218719916410,128cyclictest7097-21grep20:36:440
218719916318,24cyclictest11285-21fw_conntrack21:01:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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