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2026-02-07 - 16:25
[ 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 #e, slot #5

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 rackeslot5s.osadl.org (updated Sat Feb 07, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1660799250,1cyclictest0-21swapper/312:07:333
16600992523,1cyclictest25955-21cron09:25:001
16600992523,1cyclictest0-21swapper/109:17:541
1660099250,24cyclictest10007-21diskmemload09:52:391
1660099250,24cyclictest10007-21diskmemload09:52:391
1660099250,24cyclictest0-21swapper/112:12:161
1660099250,24cyclictest0-21swapper/112:05:451
1660099250,24cyclictest0-21swapper/111:56:031
1660099250,24cyclictest0-21swapper/110:50:321
16597992524,1cyclictest10007-21diskmemload10:31:050
1659799250,25cyclictest10007-21diskmemload10:25:520
1659799250,25cyclictest0-21swapper/009:56:550
1659799250,24cyclictest10007-21diskmemload11:31:280
1659799250,24cyclictest0-21swapper/009:37:500
16607992423,0cyclictest10007-21diskmemload10:44:223
1660799242,21cyclictest6263-21ssh10:38:353
1660799242,21cyclictest6263-21ssh10:38:353
1660799240,24cyclictest10007-21diskmemload11:07:293
1660799240,23cyclictest25899-21ssh11:57:493
1660799240,23cyclictest20396-21ssh10:21:053
1660799240,23cyclictest1407-21ssh12:34:443
1660799240,23cyclictest11561-21ssh10:13:483
1660799240,23cyclictest10007-21diskmemload10:48:403
1660799240,0cyclictest10007-21diskmemload09:56:553
1660599240,24cyclictest31461-21ssh10:00:452
1660599240,23cyclictest1242-21ssh10:33:582
1660599240,23cyclictest10007-21diskmemload09:37:502
1660599240,23cyclictest0-21swapper/210:20:542
1660599240,0cyclictest0-21swapper/210:25:522
16600992421,2cyclictest21492-21runrttasks11:23:041
1660099240,24cyclictest0-21swapper/112:15:591
1660099240,23cyclictest10868-21apt-get11:44:021
1660099240,23cyclictest10007-21diskmemload11:38:201
1660099240,23cyclictest10007-21diskmemload11:33:421
1660099240,23cyclictest0-21swapper/110:42:161
1660099240,23cyclictest0-21swapper/110:34:471
1660099240,1cyclictest0-21swapper/110:47:431
1660099240,0cyclictest10007-21diskmemload11:29:211
1660099240,0cyclictest0-21swapper/110:00:411
1660099240,0cyclictest0-21swapper/109:45:551
16597992423,1cyclictest0-21swapper/009:10:440
16597992423,0cyclictest0-21swapper/011:07:290
1659799241,22cyclictest62550irq/127-eno109:28:220
1659799240,24cyclictest10007-21diskmemload09:23:200
1659799240,24cyclictest10007-21diskmemload09:17:080
1659799240,23cyclictest10007-21diskmemload11:59:140
1659799240,23cyclictest0-21swapper/012:27:530
1659799240,23cyclictest0-21swapper/011:22:280
1659799240,23cyclictest0-21swapper/010:10:090
1659799240,0cyclictest0-21swapper/012:07:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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