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2025-12-03 - 23:35
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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 Wed Dec 03, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15990972227196,20sleep20-21swapper/207:09:332
15989622224194,20sleep00-21swapper/007:07:470
15990062223194,19sleep30-21swapper/307:08:223
15989032223194,19sleep10-21swapper/107:06:581
179619421740,1sleep01796186-21ntpq10:55:080
1599312996358,3cyclictest1837859-21/usr/sbin/munin11:45:013
1599312995654,2cyclictest1728308-21kworker/u8:4+flush-179:009:45:153
1599310995229,4cyclictest1630012-21Chrome_ChildIOT07:45:122
159930299510,48cyclictest1630029-21/usr/share/muni07:45:010
1599312995047,2cyclictest1699280-21kworker/u8:0+events_unbound10:55:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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