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2026-07-29 - 05:07
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack3slot7.osadl.org (updated Wed Jul 29, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/04003-21kworker/0:018:58:540
176679814512cyclictest5542-21munin-node20:08:540
176679814313cyclictest10039-21latency_hist22:08:280
176679814312cyclictest10134-21munin-node22:08:470
176679814112cyclictest82002sleep022:01:120
176679813912cyclictest18075-21cpu00:18:510
176679813514cyclictest9527-21aten2.4-expect20:19:120
176679813312cyclictest16991-21aten2.4_r3power22:29:040
176679813213cyclictest29292-21aten2.4_r3power23:09:050
176679813213cyclictest25565-21sendmail_mailtr22:58:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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