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2026-02-06 - 19:46
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #7

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.
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 10 highest latencies:
System rackfslot7s.osadl.org (updated Fri Feb 06, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248457899345113,3433cyclictest2554316-21kworker/3:2+events22:50:183
248457899296012,2943cyclictest2491300-21kworker/3:0+events19:35:163
248457299280613,2788cyclictest2521780-21kworker/1:1+events21:25:121
248457899259110,2577cyclictest2496289-21kworker/3:2+events20:05:003
248456899258712,2570cyclictest2556423-21kworker/0:1+events23:05:110
24845689925299,2516cyclictest2554498-21kworker/0:0+events22:55:130
248457899252713,2511cyclictest2542859-21kworker/3:2+events22:20:143
24845689925148,2502cyclictest2509150-21kworker/0:2+events21:20:180
248457299248612,2471cyclictest2560909-21kworker/1:2+events23:30:171
248457299244812,2433cyclictest2531515-21kworker/1:1+events21:53:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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