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2022-01-23 - 11:13

Intel(R) Core(TM) i3-4330T CPU @ 3.00GHz, Linux 3.18.11-rt7 (Profile)

Latency plot of system in rack #9, slot #6
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack9slot6.osadl.org (updated Sun Jan 23, 2022 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9069214497sleep20-21swapper/219:05:492
73732117106sleep30-21swapper/319:05:143
9349211199sleep10-21swapper/119:09:251
9333210997sleep00-21swapper/019:09:130
9682993634cyclictest0-21swapper/122:25:211
9682993633cyclictest0-21swapper/121:30:211
9682992726cyclictest0-21swapper/123:00:281
9684992624cyclictest0-21swapper/300:30:173
9684992318cyclictest0-21swapper/321:40:293
9682992320cyclictest0-21swapper/123:35:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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