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2026-05-07 - 07:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack3slot0.osadl.org (updated Thu May 07, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365521010,2sleep1649899cyclictest21:32:561
231852880,2sleep3650999cyclictest23:53:223
9512800,2sleep1649899cyclictest22:18:051
37592680,2sleep0649199cyclictest21:13:490
78462560,1sleep27841-21sshd23:52:252
34602530,1sleep13461-21sshd23:57:531
258782510,1sleep1758-21runrttasks00:19:071
258782510,1sleep1758-21runrttasks00:19:071
607124925,8sleep00-21swapper/019:06:020
239662490,0sleep30-21swapper/323:28:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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