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2025-10-24 - 22:40
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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 10 highest latencies:
System rackbslot2.osadl.org (updated Fri Oct 24, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17436252242212,20sleep10-21swapper/107:09:571
17435912230200,19sleep20-21swapper/207:09:292
17433802228198,19sleep30-21swapper/307:06:493
17433922225195,20sleep00-21swapper/007:06:580
1743779995954,2cyclictest1878201-21ThreadPoolForeg09:45:000
1743779995750,5cyclictest1845603-21ntpq09:05:140
1743793995653,2cyclictest1986159-21kworker/u8:0+events_unbound11:55:153
1743786995047,3cyclictest1964821-21kworker/u8:1+flush-179:011:25:101
1743786995043,4cyclictest1908798-21/usr/share/muni10:20:151
1743793994744,2cyclictest1921269-21kworker/u8:0+flush-179:011:00:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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