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2024-04-26 - 04:29
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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 rack3slot6.osadl.org (updated Fri Apr 26, 2024 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3040621330,4sleep030403-21grep23:40:020
559321250,4chrt5591-21users21:00:380
1579621250,4sleep015797-21aten2.4_r3power23:00:170
3116421230,4chrt31162-21df_inode23:40:290
1883921140,4chrt18840-21plymouth21:40:010
203452940,4chrt20346-21cut00:40:020
87472910,5chrt8746-21sed19:40:330
2832527915,26sleep00-21swapper/019:09:130
44782780,4chrt4479-21latency_hist21:00:020
28527997849,18cyclictest9929-21apt-get21:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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