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2026-03-27 - 04:20
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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 rack7slot1.osadl.org (updated Fri Mar 27, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12393212162,20sleep30-21swapper/319:09:143
12393212162,20sleep30-21swapper/319:09:143
12395210950,54sleep00-21swapper/019:09:160
12395210950,54sleep00-21swapper/019:09:160
12324210949,55sleep10-21swapper/119:08:191
12324210949,55sleep10-21swapper/119:08:191
1232028757,25sleep20-21swapper/219:08:172
1232028757,25sleep20-21swapper/219:08:162
239042810,3sleep032224-21stress22:25:220
245312630,1sleep032224-21stress23:43:000
12551995111,22cyclictest0-21swapper/122:35:151
12551995111,22cyclictest0-21swapper/122:35:141
12551994911,21cyclictest0-21swapper/123:25:131
12551994711,21cyclictest0-21swapper/123:49:051
12551994711,21cyclictest0-21swapper/123:49:041
12551994711,21cyclictest0-21swapper/122:20:241
12551994711,21cyclictest0-21swapper/121:27:041
12551994612,20cyclictest0-21swapper/100:09:111
12551994611,25cyclictest0-21swapper/123:43:311
12551994610,21cyclictest0-21swapper/123:30:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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