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2026-03-24 - 19:53
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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 Tue Mar 24, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3847073994744,2cyclictest3953816-21fwupd08:51:562
3847073994744,2cyclictest3953816-21fwupd08:51:552
384707199271,21cyclictest3980178-21apt-get09:20:121
3847073992621,2cyclictest4072363-21apt-get10:50:132
384707399260,23cyclictest4150073-21sshd12:05:022
384706699261,23cyclictest4051094-21dpkg10:29:590
3847076992519,4cyclictest3898026-21sh07:59:593
384707699251,3cyclictest4087634-21apt-get11:05:133
384707699251,21cyclictest3867527-21apt-get07:30:123
384707699251,20cyclictest4123974-21apt-get11:40:093
384707699250,22cyclictest0-21swapper/312:30:123
384707399251,4cyclictest4138449-21ntpq11:50:202
384707399251,3cyclictest4134230-21turbostat11:50:002
384707399251,21cyclictest3857395-21apt-get07:20:112
384707399251,20cyclictest4155170-21apt-get12:10:122
384707399251,20cyclictest0-21swapper/207:40:112
384707399250,22cyclictest3912839-21taskset08:10:222
384707399250,21cyclictest0-21swapper/211:05:132
384707399250,21cyclictest0-21swapper/209:20:112
384707199251,20cyclictest3924040-21apt-get08:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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