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2024-11-22 - 10:27
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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 rackcslot5.osadl.org (updated Fri Nov 22, 2024 01:07:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5515:03:316482
51,15:02:366481
015:02:366477
0,15:02:366476
0,15:02:366475
0,15:02:366474
0,15:02:366473
0,15:02:366472
0,15:02:366471
0,15:02:366470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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