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2026-04-22 - 01:23
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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 Wed Apr 22, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2232521590,0sleep522277-21sshd22:09:295
3264421340,0sleep00-21swapper/000:05:540
2987921230,0sleep729881-21bash00:19:157
2987921230,0sleep729881-21bash00:19:147
2987421180,0sleep00-21swapper/023:42:130
220121180,0sleep30-21swapper/323:35:433
695621150,0sleep10-21swapper/121:33:261
1149621140,0sleep00-21swapper/022:13:570
2499521110,0sleep60-21swapper/600:07:126
103022990,2sleep124-21ksoftirqd/119:05:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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