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2025-04-02 - 08:10
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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 Wed Apr 02, 2025 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311332870,0sleep031135-21id23:59:010
118282870,1sleep311810-21sshd00:09:213
295782850,0sleep20-21swapper/223:47:372
157562640,2sleep3381ktimersoftd/322:04:313
133072640,1sleep313306-21bash21:19:193
1277126124,19sleep10-21swapper/119:08:311
122722610,1sleep20-21swapper/200:24:382
226082580,6sleep339-21ksoftirqd/321:20:083
216222580,0sleep20-21swapper/222:19:082
1053225723,19sleep00-21swapper/019:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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