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2026-01-20 - 06:46
[ 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 #7, slot #3

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 20 highest latencies:
System rack7slot3s.osadl.org (updated Tue Jan 20, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28152860,3sleep32816-21switchtime00:00:483
26376998344,10cyclictest0-21swapper/021:00:350
2637699812,52cyclictest1459-21grep19:30:380
90532790,2sleep19054-21cat00:20:221
26376997723,35cyclictest15983-21fschecks_time20:10:390
24122740,3sleep32418-21switchtime21:00:483
2637699726,49cyclictest28737-21idleruntime-cro23:45:210
26376997015,38cyclictest101ktimersoftd/000:10:210
2637699699,43cyclictest0-21swapper/022:09:260
2637699699,43cyclictest0-21swapper/022:09:260
26376996812,5cyclictest101ktimersoftd/023:50:490
2637699669,41cyclictest0-21swapper/021:20:320
2637699662,50cyclictest22145-21ntpq21:55:450
2637699661,50cyclictest13621-21idleruntime-cro20:05:210
26376996610,6cyclictest0-21swapper/022:15:310
2637699652,49cyclictest20203-21fschecks_count23:20:390
84462630,3sleep28449-21unixbench-2d00:15:482
300342630,2sleep10-21swapper/123:45:491
2637699632,47cyclictest0-21swapper/022:53:120
2637699632,47cyclictest0-21swapper/022:53:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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