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2025-11-07 - 16:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Nov 07, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41924099300,3cyclictest0-21swapper/210:12:042
419242992716,2cyclictest531402-21awk08:59:593
41923399272,19cyclictest191rcu_preempt09:46:510
41924299263,19cyclictest567077-21apt-get09:30:133
419240992623,2cyclictest3475716-21ntpd10:20:592
419236992619,3cyclictest738779-21apt-get11:45:141
41923699260,24cyclictest521200-21sh08:50:001
41923399261,23cyclictest573071-21apt-config09:35:000
41924299252,20cyclictest434649-21apt-get07:25:153
419242992520,3cyclictest554453-21apt-get09:20:123
41924299251,21cyclictest445758-21ps07:35:163
41924099251,21cyclictest719505-21apt-get11:30:122
41924099251,21cyclictest541517-21diskmemload10:55:332
41924099250,23cyclictest704277-21gcc11:15:232
41924099250,22cyclictest604897-21munin-plugin-st10:00:002
41924099250,22cyclictest604897-21munin-plugin-st09:59:592
41924099250,22cyclictest0-21swapper/211:20:132
419236992520,3cyclictest662032-21apt-get10:45:121
419236992519,4cyclictest775835-21ssh12:13:581
419236992519,3cyclictest0-21swapper/109:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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