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2024-07-27 - 06:49
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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 rackcslot4.osadl.org (updated Sat Jul 27, 2024 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12745502261183,28sleep00-21swapper/019:06:080
12746422240197,29sleep10-21swapper/119:07:071
14339192670,4sleep10-21swapper/123:40:011
159199540,3rtkit-daemon1590-21rtkit-daemon19:38:030
159199530,4rtkit-daemon1590-21rtkit-daemon21:06:051
13175182530,3sleep01317511-21sort20:55:130
127504199533,9cyclictest1323737-21apt-get21:10:110
159199520,4rtkit-daemon1590-21rtkit-daemon22:10:130
14139542520,4sleep00-21swapper/023:11:140
14069222520,5sleep00-21swapper/023:01:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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