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2026-07-23 - 11:02
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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 Thu Jul 23, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114772118106,8sleep20-21swapper/219:06:072
117212110100,7sleep00-21swapper/019:09:180
11498210996,7sleep30-21swapper/319:06:243
11610210696,7sleep10-21swapper/119:07:511
31362640,0sleep00-21swapper/022:55:570
305192640,0sleep20-21swapper/220:20:162
301202590,0sleep20-21swapper/221:55:152
219452590,0sleep10-21swapper/121:23:591
190132590,0sleep00-21swapper/020:40:000
269302580,1sleep30-21swapper/323:35:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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