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2025-01-22 - 13:35
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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 Wed Jan 22, 2025 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277642910,1sleep227762-21sshd22:04:252
60712880,0sleep20-21swapper/223:42:322
67762660,0sleep30-21swapper/300:00:193
109252620,0sleep210905-21sshd23:22:162
236452600,1sleep01624-21diskmemload21:11:540
4962560,0sleep0495-21seq22:14:240
5382540,1sleep2533-21bash00:24:062
27532540,0sleep31624-21diskmemload23:39:203
168272540,0sleep30-21swapper/322:40:233
249662530,0sleep324957-21sshd23:05:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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