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2025-11-22 - 18:25
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot4.osadl.org (updated Sat Nov 22, 2025 00:46:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14557142364342,14sleep30-21swapper/319:08:399
14556402362319,15sleep60-21swapper/619:07:3712
14556562358315,14sleep50-21swapper/519:07:5211
14556772354311,34sleep80-21swapper/819:08:1214
14556552350309,33sleep40-21swapper/419:07:5110
14555832349326,15sleep110-21swapper/1119:06:543
14555742347325,14sleep20-21swapper/219:06:458
14540152346337,6sleep120-21swapper/1219:05:184
14555032342319,14sleep100-21swapper/1019:05:492
14556412341318,15sleep70-21swapper/719:07:3813
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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