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2026-07-26 - 06:28
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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 Jul 26, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59821400,1sleep5591ktimersoftd/523:33:265
59821400,1sleep5591ktimersoftd/523:33:265
2682421350,3sleep31864799cyclictest23:52:003
1763621150,0sleep60-21swapper/600:19:056
1161421100,1sleep711615-21sshd23:25:197
2892021070,0sleep10-21swapper/121:58:421
314821050,0sleep30-21swapper/321:40:163
302182950,0sleep30-21swapper/323:09:123
296362900,0sleep20-21swapper/221:22:522
218402860,1sleep30-21swapper/300:29:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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