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2026-04-12 - 15:37
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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 Sun Apr 12, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1901421230,1sleep10-21swapper/107:06:421
854121020,0sleep10-21swapper/110:14:341
244822900,0sleep224483-21sshd12:33:442
314772600,1sleep119-21rcuc/111:16:441
1884426024,18sleep20-21swapper/207:05:522
262522590,1sleep31734-21runrttasks10:19:003
127452590,0sleep10-21swapper/110:55:041
61492580,0sleep06143-21bash12:37:510
33962570,0sleep03-21ksoftirqd/011:45:500
140232570,0sleep041ktimersoftd/012:06:530
80882560,0sleep10-21swapper/109:19:441
164682560,1sleep30-21swapper/310:38:113
182382550,0sleep10-21swapper/111:55:461
177012550,0sleep20-21swapper/210:09:372
53122540,1sleep10-21swapper/110:25:401
197752540,2sleep337-21rcuc/310:04:013
190992540,0sleep10-21swapper/111:50:131
153082540,0sleep20-21swapper/211:49:542
92532530,0sleep10-21swapper/111:20:281
39382530,1sleep30-21swapper/309:10:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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