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2026-10-06 - 23:36
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot8.osadl.org (updated Tue Oct 06, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305128122880,1sleep10-21swapper/107:05:131
3057290992926,1cyclictest0-21swapper/312:35:003
3057290992724,1cyclictest0-21swapper/310:40:183
3057290992623,1cyclictest0-21swapper/309:20:163
3057290992522,1cyclictest0-21swapper/308:40:243
3057290992421,1cyclictest0-21swapper/308:40:003
3057290992320,1cyclictest0-21swapper/309:40:173
3057290992320,1cyclictest0-21swapper/308:20:003
3057290992219,1cyclictest0-21swapper/312:20:173
3057290992219,1cyclictest0-21swapper/311:55:013
3057290992219,1cyclictest0-21swapper/310:02:043
3057290992219,1cyclictest0-21swapper/309:40:013
3057290992118,1cyclictest0-21swapper/308:00:203
3057290992017,1cyclictest0-21swapper/311:40:133
3057290992017,1cyclictest0-21swapper/310:20:143
3057290992017,1cyclictest0-21swapper/309:10:163
3057290992017,1cyclictest0-21swapper/307:40:193
3057290992016,1cyclictest0-21swapper/312:00:163
3057290992016,1cyclictest0-21swapper/307:20:243
305729099201,15cyclictest3539648-21taskset12:37:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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