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2026-08-18 - 05:26
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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 20 highest latencies:
System rackaslot0.osadl.org (updated Tue Aug 18, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287932990,0sleep00-21swapper/021:43:050
302982670,1sleep230300-21id23:12:252
208122630,0sleep320797-21sshd21:16:363
185352620,1sleep10-21swapper/100:26:201
1454726037,19sleep00-21swapper/019:05:080
69932580,0sleep20-21swapper/222:38:402
212022580,1sleep021198-21bash22:39:590
154072580,0sleep20-21swapper/200:03:022
1658725730,9sleep30-21swapper/319:08:483
13192570,0sleep01317-21seq00:19:050
76422560,0sleep31866-21runrttasks23:45:033
87342550,1sleep30-21swapper/323:30:373
1633525533,18sleep20-21swapper/219:05:422
126642550,0sleep10-21swapper/122:50:361
114742550,0sleep30-21swapper/323:02:053
114742550,0sleep30-21swapper/323:02:053
100632550,1sleep01866-21runrttasks23:25:050
235222540,1sleep023516-21sshd23:57:580
293682530,1sleep129363-21sshd00:01:201
61322520,0sleep30-21swapper/300:39:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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