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2026-02-19 - 13:09
[ 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 20 highest latencies:
System rackbslot8s (updated Thu Feb 19, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13057502135105,9sleep50-21swapper/519:07:205
13058162127112,9sleep60-21swapper/619:08:186
13058532126111,10sleep70-21swapper/719:08:517
13057722125111,9sleep00-21swapper/019:07:390
13058962123107,10sleep30-21swapper/319:09:263
1305848212395,9sleep20-21swapper/219:08:452
13057112123109,9sleep40-21swapper/419:06:474
1305838212294,22sleep10-21swapper/119:08:361
130620099103103,0cyclictest1373154-21kworker/6:222:39:036
1306178991030,99cyclictest0-21swapper/100:16:231
130620099102100,1cyclictest1373154-21kworker/6:222:41:296
13061959910296,3cyclictest2579219-21snmpd22:29:115
13061789910299,3cyclictest2579219-21snmpd22:37:401
13061789910299,3cyclictest2579219-21snmpd21:14:581
13062009910199,2cyclictest2579219-21snmpd19:46:526
130620099101100,1cyclictest1373154-21kworker/6:223:55:256
130620099101100,1cyclictest1373154-21kworker/6:223:51:546
130620099101100,1cyclictest1373154-21kworker/6:223:45:126
130620099101100,1cyclictest1373154-21kworker/6:223:40:496
130620099101100,1cyclictest1373154-21kworker/6:223:30:196
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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