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2026-01-26 - 04:45
[ 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 #e, slot #8

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.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot8s.osadl.org (updated Mon Jan 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13611712230,1sleep30-21swapper/33
1358001991816,1cyclictest0-21swapper/33
1358001991815,1cyclictest0-21swapper/33
1358001991613,1cyclictest0-21swapper/33
1358001991613,1cyclictest0-21swapper/33
1358001991613,1cyclictest0-21swapper/33
135800199161,12cyclictest1733336-21taskset3
135800199161,11cyclictest1539861-21turbostat3
1358001991513,1cyclictest0-21swapper/33
1358001991513,1cyclictest0-21swapper/33
1358001991513,1cyclictest0-21swapper/33
1358001991512,1cyclictest0-21swapper/33
1358001991512,1cyclictest0-21swapper/33
1358001991512,1cyclictest0-21swapper/33
1358001991512,1cyclictest0-21swapper/33
135800199151,11cyclictest1636817-21taskset3
135800199150,12cyclictest1610833-21turbostat3
135800199142,9cyclictest1765586-21taskset3
135800199141,9cyclictest14235872sleep33
1358001991413,0cyclictest0-21swapper/33
1358001991413,0cyclictest0-21swapper/33
1358001991413,0cyclictest0-21swapper/33
1358001991413,0cyclictest0-21swapper/33
1358001991413,0cyclictest0-21swapper/33
1358001991412,1cyclictest0-21swapper/33
1358001991411,1cyclictest0-21swapper/33
1358001991411,1cyclictest0-21swapper/33
1358001991411,1cyclictest0-21swapper/33
1358001991411,1cyclictest0-21swapper/33
135800199141,10cyclictest1649359-21turbostat3
135800199141,10cyclictest1578933-21taskset3
135800199141,10cyclictest1501385-21turbostat3
135800199141,10cyclictest1463324-21taskset3
135800199141,10cyclictest1449777-21chrt3
135800199140,11cyclictest1578686-21taskset3
15603812135,5sleep11561513-21cut1
14247902131,9sleep11424891-21/usr/sbin/munin1
135800199135,6cyclictest1688190-21turbostat3
135800199135,6cyclictest1688190-21turbostat3
135800199131,9cyclictest1700737-21taskset3
135800199131,9cyclictest1663141-21taskset3
135800199131,9cyclictest1622635-21taskset3
135800199131,9cyclictest1473713-21taskset3
135800199131,9cyclictest1398183-21taskset3
135800199131,9cyclictest1386397-21chrt3
135800199131,9cyclictest1372903-21sleep3
135800199131,8cyclictest14246912sleep33
1358001991312,0cyclictest0-21swapper/33
1358001991312,0cyclictest0-21swapper/33
1358001991311,1cyclictest0-21swapper/33
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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