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2026-02-11 - 17:55
[ 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 Feb 11, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2679421180,0sleep30-21swapper/310:42:453
21217211796,16sleep10-21swapper/107:09:491
20377210979,6sleep00-21swapper/007:05:200
21063210695,6sleep20-21swapper/207:07:502
21042210083,11sleep30-21swapper/307:07:353
23322790,0sleep00-21swapper/012:36:340
65052720,1sleep00-21swapper/010:20:180
311862720,0sleep20-21swapper/211:57:442
164662700,1sleep30-21swapper/309:55:353
21258993616,18cyclictest0-21swapper/007:40:110
174682230,1sleep2301ktimersoftd/208:20:012
54882220,1sleep25496-21cpuspeed_turbos07:50:122
2126099221,19cyclictest0-21swapper/207:25:122
2126099211,18cyclictest0-21swapper/207:10:112
2126099210,19cyclictest0-21swapper/208:50:142
2126099210,16cyclictest0-21swapper/210:20:052
21259992118,2cyclictest7873-21kworker/u8:209:12:051
2125899210,19cyclictest0-21swapper/007:10:110
322152200,0sleep20-21swapper/209:38:272
21259992017,2cyclictest29930-21kworker/u8:109:09:041
2125899200,19cyclictest0-21swapper/007:25:120
17192200,1sleep00-21swapper/012:00:270
21260991916,2cyclictest5019-21kworker/u8:012:07:052
21259991916,2cyclictest13006-21kworker/u8:010:28:051
21259991916,2cyclictest10287-21kworker/u8:009:50:051
34202180,0sleep20-21swapper/209:41:512
2126099180,13cyclictest0-21swapper/210:55:042
2126099180,13cyclictest0-21swapper/210:55:042
21259991815,2cyclictest18167-21kworker/u8:211:21:041
21259991815,2cyclictest11896-21kworker/u8:011:05:041
21258991813,3cyclictest28440-21ssh10:45:120
21261991714,2cyclictest28659-21kworker/u8:210:21:053
21260991714,2cyclictest673-21kworker/u8:007:45:042
21260991714,2cyclictest13196-21kworker/u8:208:40:052
21259991714,2cyclictest25178-21kworker/u8:007:19:051
21259991714,2cyclictest17815-21kworker/u8:210:40:051
21259991714,2cyclictest13006-21kworker/u8:010:35:051
21259991714,2cyclictest11896-21kworker/u8:011:15:041
116822170,1sleep30-21swapper/312:10:563
2126199160,14cyclictest0-21swapper/309:35:173
2126099161,3cyclictest0-21swapper/212:00:052
21260991613,2cyclictest21697-21kworker/u8:108:30:052
21259991613,2cyclictest900-21kworker/u8:009:15:041
21259991613,2cyclictest7873-21kworker/u8:209:21:041
21259991613,2cyclictest4264-21kworker/u8:110:57:041
21259991613,2cyclictest4264-21kworker/u8:110:57:041
21259991613,2cyclictest32607-21kworker/u8:109:48:051
21259991613,2cyclictest25178-21kworker/u8:007:29:041
21259991613,2cyclictest22321-21kworker/u8:212:24:041
21259991613,2cyclictest21468-21kworker/u8:207:57:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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