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2025-09-15 - 21:41
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Mon Sep 15, 2025 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24217214581,7sleep20-21swapper/207:07:332
24156212362,6sleep30-21swapper/307:06:463
240772109100,6sleep10-21swapper/107:05:441
23718210796,6sleep00-21swapper/007:05:270
1858121060,0sleep018582-21sed08:25:000
136202620,0sleep30-21swapper/312:11:023
72942610,0sleep30-21swapper/309:45:183
72942610,0sleep30-21swapper/309:45:173
279892600,0sleep20-21swapper/207:35:202
230642570,0sleep30-21swapper/308:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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