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2025-12-10 - 21:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 20 highest latencies:
System rack7slot3.osadl.org (updated Wed Dec 10, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26930258225sleep26931-21mailstats07:05:570
2742899274247cyclictest27030-21munin-node0
2742899267240cyclictest29814-21ssh09:41:330
2742899265236cyclictest2993-21ssh12:32:450
2742899264234cyclictest24204-21diskmemload11:42:220
274289926265cyclictest4446-21tr12:40:030
2742899262236cyclictest17111-21ssh11:11:050
2742899262233cyclictest9078-21munin-run10:35:150
2742899261236cyclictest14391-21chrt08:32:290
2742899260226cyclictest26611-21ssh09:26:570
2742899259234cyclictest18556-21apt-get11:17:030
2742899258233cyclictest27470-21perl09:31:160
2742899258232cyclictest13494-21cron10:55:390
2742899256227cyclictest15348-21sh11:02:180
2742899255230cyclictest19850-21ssh11:23:090
2742899255226cyclictest9523-21processes08:11:520
2742899254228cyclictest2933-21netwatch08:30:200
2742899254225cyclictest1984-21ssh12:29:190
2742899253223cyclictest6564-21sh10:22:390
2742899253210cyclictest25990-21kworker/u2:108:35:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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