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2026-03-04 - 18:28
[ 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 #6

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot6s.osadl.org (updated Wed Mar 04, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29639211795,16sleep30-21swapper/307:09:023
27926211695,16sleep20-21swapper/207:05:082
29554211493,16sleep00-21swapper/007:07:550
29570211195,11sleep10-21swapper/107:08:081
1483621070,2sleep22974399cyclictest11:57:502
150812810,0sleep10-21swapper/111:58:131
48632730,0sleep10-21swapper/111:47:311
121302680,0sleep10-21swapper/109:40:331
115942680,0sleep10-21swapper/110:47:061
298422590,1sleep22974399cyclictest09:25:302
2974299282,7cyclictest0-21swapper/108:53:581
95792250,0sleep30-21swapper/311:19:193
2974299250,20cyclictest0-21swapper/112:31:051
281042250,1sleep10-21swapper/110:30:431
97632240,0sleep00-21swapper/011:19:370
270022240,0sleep30-21swapper/311:36:273
136842240,1sleep20-21swapper/212:30:132
2974299230,18cyclictest0-21swapper/107:55:041
2974499223,2cyclictest0-21swapper/309:44:043
2974499223,17cyclictest0-21swapper/308:51:043
2974499220,5cyclictest0-21swapper/309:29:033
2974399222,15cyclictest0-21swapper/210:32:042
29743992218,2cyclictest26827-21kworker/u8:110:41:042
2974399220,18cyclictest0-21swapper/207:35:052
2974399220,17cyclictest0-21swapper/211:00:052
2974299220,17cyclictest0-21swapper/111:43:041
2974299220,17cyclictest0-21swapper/111:37:041
2974299220,17cyclictest0-21swapper/108:45:051
2974499213,2cyclictest29740-21cyclictest10:53:043
2974499213,2cyclictest0-21swapper/309:19:043
2974499212,2cyclictest0-21swapper/308:12:043
2974499212,2cyclictest0-21swapper/307:10:053
2974499210,4cyclictest0-21swapper/312:30:043
2974499210,4cyclictest0-21swapper/312:09:033
2974499210,4cyclictest0-21swapper/311:25:053
2974399212,17cyclictest0-21swapper/211:33:042
29743992118,2cyclictest21224-21kworker/u8:009:17:042
2974399210,3cyclictest14188-21ssh09:10:122
2974299213,2cyclictest0-21swapper/111:12:041
2974299210,16cyclictest0-21swapper/111:24:041
2974499202,2cyclictest0-21swapper/312:11:043
2974499202,2cyclictest0-21swapper/310:03:033
2974499202,1cyclictest0-21swapper/308:29:043
2974499202,17cyclictest0-21swapper/310:47:033
2974499201,2cyclictest0-21swapper/311:09:043
2974499201,2cyclictest0-21swapper/308:47:033
2974499201,17cyclictest0-21swapper/308:07:053
2974499200,3cyclictest0-21swapper/309:11:043
29743992017,2cyclictest3253-21kworker/u8:110:11:052
29743992017,2cyclictest3253-21kworker/u8:109:33:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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