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2026-02-10 - 17:02
[ 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 Tue Feb 10, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1801599280,27cyclictest0-21swapper/311:51:063
18015992624,1cyclictest0-21swapper/309:20:013
1801599260,2cyclictest12030-21ssh11:11:163
1801599260,25cyclictest12227-21sh10:10:193
1801599260,21cyclictest0-21swapper/310:44:213
1801599260,1cyclictest5520-21taskset11:35:373
1801599260,1cyclictest0-21swapper/312:31:173
1801199260,1cyclictest0-21swapper/212:07:082
18015992521,3cyclictest30122-21apt-get10:59:173
18015992521,3cyclictest0-21swapper/311:26:513
1801599250,24cyclictest28743-21sh09:24:483
1801599250,24cyclictest0-21swapper/311:19:043
1801599250,1cyclictest0-21swapper/312:15:203
1801599250,1cyclictest0-21swapper/312:09:183
1801599250,1cyclictest0-21swapper/311:09:473
1801599250,0cyclictest0-21swapper/309:41:313
1801199250,24cyclictest2124-21sh09:30:122
1801199250,24cyclictest12979-21diskmemload12:27:342
18002992524,1cyclictest62550irq/127-eno110:43:530
18002992523,2cyclictest0-21swapper/010:45:470
1800299250,24cyclictest12979-21diskmemload10:04:530
1800299250,24cyclictest0-21swapper/010:55:530
18015992421,2cyclictest0-21swapper/310:35:403
18015992421,2cyclictest0-21swapper/309:30:543
18015992420,3cyclictest12979-21diskmemload12:20:403
18015992420,3cyclictest0-21swapper/312:10:293
18015992420,3cyclictest0-21swapper/312:00:203
18015992420,3cyclictest0-21swapper/311:04:523
18015992420,3cyclictest0-21swapper/310:04:443
1801599240,24cyclictest0-21swapper/310:52:443
1801599240,24cyclictest0-21swapper/310:29:093
1801599240,23cyclictest23578-21kworker/u8:209:14:193
1801599240,0cyclictest0-21swapper/311:21:463
1801599240,0cyclictest0-21swapper/309:46:413
18011992423,1cyclictest7278-21ssh10:36:462
18011992422,1cyclictest0-21swapper/209:23:492
18011992421,2cyclictest12979-21diskmemload11:04:242
1801199240,24cyclictest0-21swapper/209:35:282
18006992422,1cyclictest12979-21diskmemload10:31:251
18006992422,1cyclictest0-21swapper/112:11:201
1800699240,24cyclictest0-21swapper/110:58:211
1800699240,24cyclictest0-21swapper/110:18:571
1800699240,24cyclictest0-21swapper/110:13:321
1800699240,23cyclictest14787-21ssh09:12:161
1800699240,23cyclictest12979-21diskmemload12:20:511
1800699240,23cyclictest12979-21diskmemload12:15:301
1800699240,23cyclictest0-21swapper/110:21:021
1800699240,0cyclictest0-21swapper/112:36:241
1800699240,0cyclictest0-21swapper/109:51:191
1800699240,0cyclictest0-21swapper/109:36:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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