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2025-10-20 - 08:40
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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 10 highest latencies:
System rack5slot7.osadl.org (updated Mon Oct 20, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24285224542207,98sleep00-21swapper17:42:080
243679917017,110cyclictest26300-21apt-get21:57:500
243679916916,126cyclictest18357-21munin-run19:57:370
243679916719,122cyclictest7324-21apt-get22:37:550
243679916617,123cyclictest17873-21apt-get21:32:530
243679916617,104cyclictest16184-21apt-get21:28:000
243679916519,121cyclictest1513-21fw_conntrack20:43:360
243679916419,120cyclictest20500-21df_inode20:03:290
243679916417,121cyclictest31627-21df22:13:150
243679916415,121cyclictest19991-21irqstats21:38:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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