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2025-05-09 - 06:10
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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 May 09, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22215213877,6sleep30-21swapper/319:07:043
221362112102,7sleep10-21swapper/119:06:011
222992110101,6sleep00-21swapper/019:08:090
22435210794,7sleep20-21swapper/219:09:552
1657921030,0sleep016583-21tr00:15:170
272162690,0sleep00-21swapper/023:30:180
78782670,0sleep20-21swapper/219:20:162
112422660,0sleep00-21swapper/022:50:010
213782640,2sleep20-21swapper/222:20:192
12962610,0sleep30-21swapper/321:22:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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