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2025-08-30 - 01:34
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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 Fri Aug 29, 2025 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22981212362,7sleep00-21swapper/007:06:200
23030212163,7sleep20-21swapper/207:06:582
176372121109,6sleep30-21swapper/307:05:073
17642210999,7sleep10-21swapper/107:05:091
103482750,0sleep30-21swapper/310:01:333
142982710,0sleep20-21swapper/207:25:202
5282700,1sleep00-21swapper/009:23:260
315782700,0sleep20-21swapper/212:10:022
263052680,0sleep30-21swapper/311:20:203
252562650,0sleep20-21swapper/208:00:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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