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2026-05-19 - 21:01
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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 Tue May 19, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88222940,0sleep00-21swapper/010:47:100
283352800,2sleep61569199cyclictest10:10:236
106072560,1sleep710609-21bash09:14:347
300212550,0sleep40-21swapper/410:03:014
181852530,0sleep50-21swapper/510:17:275
289262520,0sleep628930-21sshd11:01:336
1548825140,8sleep70-21swapper/707:08:407
1526025140,8sleep50-21swapper/507:05:415
149802510,0sleep10-21swapper/110:57:041
81782500,0sleep10-21swapper/112:16:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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