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2026-06-16 - 08:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot1.osadl.org (updated Tue Jun 16, 2026 00:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
825821440,4sleep10-21swapper/122:55:291
825821440,4sleep10-21swapper/122:55:291
825821440,4sleep10-21swapper/122:55:291
710721170,3chrt0-21swapper/220:35:482
710721170,3chrt0-21swapper/220:35:482
2965121010,3sleep20-21swapper/223:20:382
2965121010,3sleep20-21swapper/223:20:382
2965121010,3sleep20-21swapper/223:20:382
129082890,2chrt12910-21needreboot22:20:411
129082890,2chrt12910-21needreboot22:20:411
52512820,2sleep2261rcuc/220:30:462
52512820,2sleep2261rcuc/220:30:462
168672770,3sleep20-21swapper/221:47:182
168672770,3sleep20-21swapper/221:47:182
168672770,3sleep20-21swapper/221:47:182
121282720,3sleep20-21swapper/220:50:392
121282720,3sleep20-21swapper/220:50:392
121282720,3sleep20-21swapper/220:50:392
306292700,3chrt0-21swapper/222:05:382
123692700,3sleep10-21swapper/119:20:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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