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2026-02-26 - 07:12
[ 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 Thu Feb 26, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1714199260,25cyclictest2435-21cron23:35:002
1713799260,4cyclictest13928-21cron20:10:011
1714799250,24cyclictest681-21ssh00:03:053
1714799250,24cyclictest32374-21sh23:31:083
1714799250,24cyclictest14355-21rm22:13:383
1714799250,24cyclictest11166-21diskmemload22:22:113
1714199250,0cyclictest0-21swapper/223:36:162
17133992523,1cyclictest4386-21ssh22:04:290
17133992521,3cyclictest3096-21apt-get23:35:360
1713399250,24cyclictest11166-21diskmemload22:49:480
1713399250,24cyclictest0-21swapper/023:02:300
1713399250,1cyclictest11166-21diskmemload22:59:490
17147992422,1cyclictest8608-21ssh22:07:503
1714799240,2cyclictest8452-21sort00:10:383
1714799240,23cyclictest11166-21diskmemload23:26:173
1714799240,22cyclictest14691-21ssh22:45:033
17141992422,1cyclictest31115-21sh21:58:512
17141992421,2cyclictest23463-21ssh22:21:292
17141992419,4cyclictest0-21swapper/223:53:072
17141992419,2cyclictest12060-21cstates21:10:352
1714199240,23cyclictest31318-21ssh00:31:352
1714199240,23cyclictest20568-21ssh21:17:302
17137992423,0cyclictest10593-21apt-get22:10:361
1713799241,22cyclictest6159-21turbostat00:40:011
1713799240,24cyclictest11166-21diskmemload22:48:571
1713799240,24cyclictest0-21swapper/122:30:381
1713799240,23cyclictest29996-21sh22:59:431
1713799240,23cyclictest26120-21chrt22:25:191
1713799240,23cyclictest11166-21diskmemload23:21:051
1713799240,23cyclictest11166-21diskmemload23:00:391
1713799240,23cyclictest0-21swapper/122:16:011
17133992423,1cyclictest62550irq/127-eno123:25:340
1713399240,24cyclictest0-21swapper/023:42:080
1713399240,24cyclictest0-21swapper/022:21:550
1713399240,23cyclictest7893-21apt-get00:10:360
1713399240,23cyclictest6155-21apt-get00:40:010
1713399240,23cyclictest11166-21diskmemload21:46:080
1713399240,23cyclictest0-21swapper/023:31:080
1713399240,23cyclictest0-21swapper/021:54:410
1713399240,23cyclictest0-21swapper/021:26:590
1713399240,23cyclictest0-21swapper/000:09:210
17147992323,0cyclictest0-21swapper/323:50:553
17147992323,0cyclictest0-21swapper/323:45:243
17147992323,0cyclictest0-21swapper/323:07:143
17147992323,0cyclictest0-21swapper/322:41:393
17147992323,0cyclictest0-21swapper/321:45:203
17147992323,0cyclictest0-21swapper/300:30:413
17147992320,2cyclictest3780-21ntp_states00:05:423
1714799230,2cyclictest26388-21rm23:55:593
1714799230,23cyclictest11166-21diskmemload22:15:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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