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2025-07-13 - 07:35
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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
Characteristics of the 10 highest latencies:
System rackaslot0.osadl.org (updated Sun Jul 13, 2025 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272972870,1sleep337-21rcuc/323:01:443
305002670,0sleep00-21swapper/022:13:350
269792600,1sleep126971-21cp23:01:411
218562570,1sleep321832-21sshd00:13:333
34582560,0sleep13459-21sshd23:26:061
224312560,0sleep122428-21grep22:05:251
327622540,0sleep332764-21bash00:22:323
258052520,1sleep025807-21bash22:51:120
67142510,0sleep10-21swapper/100:15:251
53042510,0sleep30-21swapper/322:59:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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