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2026-03-02 - 03:41
[ 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 20 highest latencies:
System rackeslot8s.osadl.org (updated Mon Mar 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7469849912031,1198cyclictest7807662sleep319:35:013
7469849910001,995cyclictest956684-21sleep21:45:003
1731984320,425rtkit-daemon873800-21kworker/u16:1+efi_rts_wq23:15:111
746984993720,369cyclictest805604-21turbostat19:59:553
746984992581,253cyclictest1192427-21turbostat00:14:563
74698499186,8cyclictest774293-21taskset19:30:013
9572122170,3sleep0957217-21fschecks_count21:45:120
74698499161,9cyclictest8246502sleep320:10:123
746984991613,1cyclictest0-21swapper/323:40:393
746984991612,1cyclictest0-21swapper/321:40:013
74698499161,11cyclictest849708-21taskset20:30:103
746984991512,1cyclictest0-21swapper/323:53:123
746984991512,1cyclictest0-21swapper/323:46:583
746984991512,1cyclictest0-21swapper/323:37:593
746984991512,1cyclictest0-21swapper/323:17:413
74698499151,11cyclictest989940-21taskset22:05:153
74698499151,11cyclictest868455-21taskset20:45:023
74698499151,11cyclictest1184642-21chrt00:05:123
74698499151,11cyclictest1038168-21taskset22:34:573
74698499151,10cyclictest964544-21taskset21:49:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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