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2026-01-18 - 10:42
[ 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 #b, 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 rackbslot8s (updated Sun Jan 18, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72085699159159,0cyclictest0-21swapper/419:59:494
7204672147139,5sleep70-21swapper/719:07:547
7205872137122,9sleep60-21swapper/619:09:376
7204612133104,9sleep10-21swapper/119:07:481
7202962132118,9sleep50-21swapper/519:05:285
7205292130115,10sleep40-21swapper/419:08:474
720566212597,9sleep30-21swapper/319:09:193
7185002120105,10sleep00-21swapper/019:05:060
7204532117104,8sleep20-21swapper/219:07:422
72084999105101,2cyclictest31-21ksoftirqd/223:16:272
7208609910299,3cyclictest991302-21cat00:20:155
7208609910299,3cyclictest2579219-21snmpd00:27:305
7208539910299,3cyclictest2579219-21snmpd20:42:203
7208499910299,2cyclictest31-21ksoftirqd/200:17:052
7208499910299,2cyclictest2579219-21snmpd22:28:202
72084999102100,2cyclictest31-21ksoftirqd/200:25:392
7208409910299,3cyclictest2579219-21snmpd00:32:360
720868991010,101cyclictest0-21swapper/722:39:277
720868991010,0cyclictest0-21swapper/721:24:247
7208649910199,2cyclictest797362-21kworker/6:022:02:096
7208649910199,1cyclictest780881-21kworker/6:121:12:486
72086499101100,1cyclictest990021-21kworker/6:000:36:596
72086499101100,1cyclictest990021-21kworker/6:000:33:376
72086499101100,1cyclictest990021-21kworker/6:000:26:576
72086499101100,1cyclictest930085-21kworker/6:223:55:176
72086499101100,1cyclictest930085-21kworker/6:223:45:246
72086499101100,1cyclictest930085-21kworker/6:223:35:516
72086499101100,1cyclictest930085-21kworker/6:223:25:536
72086499101100,1cyclictest930085-21kworker/6:200:18:456
72086499101100,1cyclictest930085-21kworker/6:200:12:106
72086499101100,1cyclictest930085-21kworker/6:200:07:396
72086499101100,1cyclictest930085-21kworker/6:200:03:096
72086499101100,1cyclictest797362-21kworker/6:023:18:056
72086499101100,1cyclictest797362-21kworker/6:023:10:076
72086499101100,1cyclictest797362-21kworker/6:023:04:356
72086499101100,1cyclictest797362-21kworker/6:022:50:256
72086499101100,1cyclictest797362-21kworker/6:022:46:396
72086499101100,1cyclictest797362-21kworker/6:022:37:036
72086499101100,1cyclictest797362-21kworker/6:022:31:146
72086499101100,1cyclictest797362-21kworker/6:022:25:376
72086499101100,1cyclictest797362-21kworker/6:022:24:436
72086499101100,1cyclictest797362-21kworker/6:022:16:056
72086499101100,1cyclictest797362-21kworker/6:022:10:036
72086499101100,1cyclictest797362-21kworker/6:022:05:086
72086499101100,1cyclictest797362-21kworker/6:021:50:336
72086499101100,1cyclictest797362-21kworker/6:021:45:236
72086499101100,1cyclictest797362-21kworker/6:021:41:476
72086499101100,1cyclictest797362-21kworker/6:021:35:086
72086499101100,1cyclictest797362-21kworker/6:021:33:516
72086499101100,1cyclictest770029-21kworker/6:221:25:556
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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