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2026-05-24 - 04:29
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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 rack0slot0.osadl.org (updated Sun May 24, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1694321430,0sleep20-21swapper/222:05:212
2836721380,0sleep328366-21sshd21:45:263
3190221320,1sleep30-21swapper/323:39:163
3190221320,1sleep30-21swapper/323:39:153
1159421320,5sleep2948199cyclictest00:05:362
1871221200,1sleep7771ktimersoftd/722:53:447
2862721190,0sleep10-21swapper/122:33:341
49321120,1sleep10-21swapper/123:06:271
37642840,1sleep00-21swapper/022:32:120
131872830,0sleep50-21swapper/521:37:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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