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2024-06-18 - 03:28
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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 rack0slot7.osadl.org (updated Tue Jun 18, 2024 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27592522172152,10sleep120-21swapper/1219:08:024
27591812143125,9sleep130-21swapper/1319:07:155
1508991400,45ntpd0-21swapper/019:07:130
7832201370,134pipewire-pulse0-21swapper/819:06:3414
713658101350,130AudioIP~ackRPC0-2119:43:4415
713658101290,128AudioIP~ackRPC0-2119:43:441
2759137211764,46sleep140-21swapper/1419:07:006
2759183211583,29sleep150-21swapper/1519:07:177
2759307210198,1sleep110-21swapper/1119:08:333
71365810950,94AudioIP~ackRPC0-2119:43:4410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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