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2026-08-28 - 10:43
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #a, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 50 highest latencies:
System rackaslot4.osadl.org (updated Fri Aug 28, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
249255499293,19cyclictest157-21kworker/2:1-events_freezable2
249255499272,19cyclictest157-21kworker/2:1-events_freezable2
249255499263,16cyclictest157-21kworker/2:1-events_freezable2
249255499254,15cyclictest157-21kworker/2:1-events_freezable2
249255499253,15cyclictest157-21kworker/2:1-events_freezable2
249255499252,16cyclictest157-21kworker/2:1-events_freezable2
249255499251,19cyclictest157-21kworker/2:1-events_freezable2
249255499251,18cyclictest157-21kworker/2:1-events_freezable2
249255499251,17cyclictest157-21kworker/2:1-events_freezable2
249255499250,18cyclictest157-21kworker/2:1-events_freezable2
249255499244,14cyclictest157-21kworker/2:1-events_freezable2
249255499243,14cyclictest157-21kworker/2:1-events_freezable2
249255499243,14cyclictest157-21kworker/2:1-events_freezable2
249255499242,18cyclictest157-21kworker/2:1-events_freezable2
249255499242,15cyclictest157-21kworker/2:1-events_freezable2
249255499241,18cyclictest157-21kworker/2:1-events_freezable2
249255499241,17cyclictest157-21kworker/2:1-events_freezable2
249255499241,16cyclictest157-21kworker/2:1-events_freezable2
249255499240,17cyclictest157-21kworker/2:1-events_freezable2
249255499234,16cyclictest157-21kworker/2:1-events_freezable2
249255499234,16cyclictest157-21kworker/2:1-events_freezable2
249255499234,14cyclictest157-21kworker/2:1-events_freezable2
249255499233,13cyclictest157-21kworker/2:1-events_freezable2
249255499232,15cyclictest157-21kworker/2:1-events_freezable2
249255499223,14cyclictest157-21kworker/2:1-events_freezable2
249255499223,14cyclictest157-21kworker/2:1-events_freezable2
249255499222,14cyclictest157-21kworker/2:1-events_freezable2
249255499222,14cyclictest157-21kworker/2:1-events_freezable2
249255499222,13cyclictest157-21kworker/2:1-events_freezable2
249255499221,15cyclictest157-21kworker/2:1-events_freezable2
249255499221,15cyclictest157-21kworker/2:1-events_freezable2
249255499221,15cyclictest157-21kworker/2:1-events_freezable2
249255499221,14cyclictest157-21kworker/2:1-events_freezable2
249255499221,14cyclictest157-21kworker/2:1-events_freezable2
249255499221,14cyclictest157-21kworker/2:1-events_freezable2
249255499221,14cyclictest157-21kworker/2:1-events_freezable2
249255499220,17cyclictest157-21kworker/2:1-events_freezable2
249255499215,13cyclictest157-21kworker/2:1-events_freezable2
249255499212,13cyclictest157-21kworker/2:1-events_freezable2
249255499212,13cyclictest157-21kworker/2:1-events_freezable2
249255499212,13cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499211,14cyclictest157-21kworker/2:1-events_freezable2
249255499210,14cyclictest157-21kworker/2:1-events_freezable2
249255499202,13cyclictest157-21kworker/2:1-events_freezable2
249255499201,13cyclictest157-21kworker/2:1-events_freezable2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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