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2025-01-22 - 12:22
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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 rack5slot3.osadl.org (updated Wed Jan 22, 2025 00:50:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
444428636,45sleep20-21swapper/219:07:442
433328148,29sleep60-21swapper/619:06:116
441628045,30sleep30-21swapper/319:07:213
436027845,29sleep10-21swapper/119:06:301
431627844,29sleep70-21swapper/719:05:567
438227642,30sleep50-21swapper/519:06:515
452527437,29sleep00-21swapper/019:08:540
438127338,30sleep40-21swapper/419:06:504
105052590,0sleep00-21swapper/022:15:000
297112560,0sleep20-21swapper/200:02:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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