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2026-09-10 - 17:17
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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 rackaslot0.osadl.org (updated Thu Sep 10, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
296632700,0sleep10-21swapper/109:19:511
219942610,3sleep321992-21bash11:23:123
219942610,3sleep321992-21bash11:23:123
184572610,1sleep00-21swapper/009:44:460
314172570,0sleep231414-21sshd12:36:102
174622570,1sleep115742-21diskmemload09:59:051
46142560,1sleep20-21swapper/211:10:092
39242560,1sleep33905-21sshd10:20:543
317632560,0sleep20-21swapper/211:00:562
206242560,0sleep00-21swapper/010:48:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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