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2026-03-01 - 03:53
[ 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 #3, 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.
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 rack3slot3s.osadl.org (updated Sun Mar 01, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
355597321420,2sleep00-21swapper/022:58:280
3303827212652,68sleep30-21swapper/319:06:493
3304072210899,6sleep20-21swapper/219:09:532
330397128259,12sleep10-21swapper/119:08:351
330373027859,14sleep00-21swapper/019:05:350
330420599272,19cyclictest3719043-21taskset00:30:123
330420599251,20cyclictest0-21swapper/300:05:313
35106272241,9sleep13359445-21diskmemload22:33:141
330420599245,15cyclictest3707034-21taskset00:21:343
330420599230,20cyclictest0-21swapper/323:25:453
33947802228,3sleep03394794-21ssh21:29:260
3304205992215,4cyclictest3618201-21taskset23:33:123
330420599220,19cyclictest0-21swapper/321:40:403
330420599212,16cyclictest0-21swapper/322:56:493
3304205992118,2cyclictest0-21swapper/322:41:403
3304205992116,3cyclictest0-21swapper/323:18:053
3304205992116,3cyclictest0-21swapper/321:18:373
36814502201,2sleep00-21swapper/000:08:240
3304205992017,1cyclictest0-21swapper/300:04:593
330420599201,15cyclictest0-21swapper/323:20:433
330420599201,15cyclictest0-21swapper/323:20:423
330420599201,15cyclictest0-21swapper/322:25:103
330420599201,15cyclictest0-21swapper/321:00:133
330420599200,17cyclictest0-21swapper/323:06:373
330420599200,17cyclictest0-21swapper/322:18:413
330420599191,15cyclictest0-21swapper/323:45:443
330420599191,15cyclictest0-21swapper/323:13:593
330420599191,15cyclictest0-21swapper/321:37:563
330420599191,14cyclictest0-21swapper/322:35:203
330420599191,14cyclictest0-21swapper/321:30:353
330420599191,14cyclictest0-21swapper/300:27:563
330420599190,15cyclictest3464639-21taskset22:06:453
330420599190,14cyclictest66950irq/132-enp1s0-TxRx-323:35:273
36911502181,4sleep13359445-21diskmemload00:14:281
34213032181,2sleep03421317-21ssh21:43:250
34104722181,3sleep10-21swapper/121:36:251
330420599182,2cyclictest0-21swapper/323:00:593
330420599181,7cyclictest3735891-21taskset00:39:173
330420599181,5cyclictest0-21swapper/319:57:563
330420599181,4cyclictest0-21swapper/321:20:443
330420599181,14cyclictest0-21swapper/323:52:243
330420599181,14cyclictest0-21swapper/322:45:153
330420599181,14cyclictest0-21swapper/322:31:473
330420599181,14cyclictest0-21swapper/322:11:443
330420599181,14cyclictest0-21swapper/322:02:593
330420599181,14cyclictest0-21swapper/321:56:163
330420599181,14cyclictest0-21swapper/321:51:333
330420599181,14cyclictest0-21swapper/321:46:063
330420599181,14cyclictest0-21swapper/321:25:033
330420599181,14cyclictest0-21swapper/321:10:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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