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2026-02-19 - 12:38
[ 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 #5, slot #7

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.

Total number of samples: 50.5 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 rack5slot7s.osadl.org (updated Thu Feb 19, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26324224172174,98sleep00-21swapper19:06:550
267159916616,25cyclictest5813-21apt-get23:30:260
267159916314,121cyclictest7487-21apt-get23:37:070
267159916215,122cyclictest6176-21apt20:20:110
267159916211,128cyclictest25041-21if_err_eth022:11:030
267159916117,119cyclictest29648-21munin-run22:40:020
267159916111,123cyclictest12906-21apt-get20:56:590
267159916015,120cyclictest2240-21munin-run23:10:050
267159916015,120cyclictest14059-21/usr/sbin/munin21:06:080
267159915912,122cyclictest1210-21apt-get23:05:010
267159915715,120cyclictest31857-21munin-run19:40:030
267159915714,120cyclictest15698-21apt-get21:15:260
267159915711,48cyclictest15585-21sort21:15:070
267159915617,114cyclictest31979-21apt-get19:40:120
267159915614,118cyclictest5657-21munin-run23:30:010
267159915611,28cyclictest2624-21sendmail-msp20:00:030
267159915519,26cyclictest28652-21munin-run19:20:030
267159915519,111cyclictest8776-21irqstats23:45:400
267159915519,110cyclictest9667-21apt-get20:40:240
267159915515,116cyclictest17484-21cat21:25:040
267159915515,116cyclictest14109-21munin-run00:20:010
267159915513,26cyclictest22204-21wc21:55:030
267159915422,28cyclictest3343-21apt-get23:15:270
267159915413,123cyclictest15028-1kworker/u3:300:25:130
267159915413,115cyclictest23416-21tr22:00:480
267159915315,22cyclictest6048-21apt-get20:22:030
267159915314,22cyclictest2747-21apt-get20:00:130
267159915313,25cyclictest8395-21timerwakeupswit23:41:080
267159915312,118cyclictest2366-21apt-get23:10:300
267159915311,116cyclictest26922-21grep22:20:530
267159915217,25cyclictest20022-21df_inode21:40:300
267159915215,36cyclictest1655-21cat19:51:010
267159915212,25cyclictest10025-21sed23:51:010
267159915210,117cyclictest23101-21sort22:00:060
267159915114,24cyclictest32077-21wc22:55:030
267159915111,39cyclictest12115-21munin-run20:55:020
267159915111,28cyclictest16442-21grep00:31:000
267159915110,36cyclictest9209-21sendmail_mailqu20:35:570
267159915033,96cyclictest28167-21cpu22:30:190
267159914928,25cyclictest23913-1kworker/u3:222:15:140
267159914917,108cyclictest110-21systemd-journal20:30:010
267159914915,38cyclictest32326-21irqstats22:55:380
267159914915,107cyclictest4173-21apt-get23:20:160
267159914914,108cyclictest18296-21/usr/sbin/munin21:31:070
26715991489,25cyclictest28039-21cron22:30:000
267159914820,100cyclictest4782-21memory20:10:450
267159914817,26cyclictest303-21/usr/sbin/munin19:45:410
267159914816,108cyclictest8648-21users20:31:050
267159914814,111cyclictest30927-21grep22:45:540
267159914814,111cyclictest24605-21munin-run22:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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