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2026-01-20 - 12:26
[ 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 #4, slot #1

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: 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 rack4slot1s.osadl.org (updated Tue Jan 20, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1562821500,2sleep20-21swapper/200:20:522
1562821500,2sleep20-21swapper/200:20:522
913421400,2sleep09137-21wc22:35:570
913421400,2sleep09137-21wc22:35:570
913421400,2sleep09137-21wc22:35:570
105021380,3sleep30-21swapper/323:40:563
2265521270,3sleep30-21swapper/320:20:483
2265521270,3sleep30-21swapper/320:20:483
227721240,2sleep12280-21fschecks_count23:45:491
227721240,2sleep12280-21fschecks_count23:45:491
2434021210,3sleep20-21swapper/220:25:422
2434021210,3sleep20-21swapper/220:25:422
65392960,2chrt6538-21needreboot23:55:570
65392960,2chrt6538-21needreboot23:55:570
65392960,2chrt6538-21needreboot23:55:570
239892720,4chrt0-21swapper/221:50:482
239892720,4chrt0-21swapper/221:50:482
97232690,2sleep00-21swapper/000:05:510
97232690,2sleep00-21swapper/000:05:510
144772660,2sleep20-21swapper/221:25:442
144772660,2sleep20-21swapper/221:25:442
88042630,2sleep30-21swapper/321:10:413
88042630,2sleep30-21swapper/321:10:413
34602620,3chrt0-21swapper/320:55:503
34602620,3chrt0-21swapper/320:55:503
228842620,2sleep122589-21/usr/sbin/munin20:20:511
228842620,2sleep122589-21/usr/sbin/munin20:20:511
243722600,2chrt0-21swapper/320:25:433
243722600,2chrt0-21swapper/320:25:433
76342590,4sleep30-21swapper/322:30:573
76342590,4sleep30-21swapper/322:30:573
115242590,2sleep20-21swapper/221:15:552
115242590,2sleep20-21swapper/221:15:552
115242590,2sleep20-21swapper/221:15:552
46542560,3sleep20-21swapper/223:50:522
46542560,3sleep20-21swapper/223:50:522
306732540,2chrt0-21swapper/220:40:532
306732540,2chrt0-21swapper/220:40:532
60952520,1sleep00-21swapper/019:35:510
60952520,1sleep00-21swapper/019:35:510
60952520,1sleep00-21swapper/019:35:510
314412520,3sleep30-21swapper/323:35:543
314412520,3sleep30-21swapper/323:35:543
314412520,3sleep30-21swapper/323:35:543
153472500,3chrt0-21swapper/000:20:500
153472500,3chrt0-21swapper/000:20:500
31202490,4chrt0-21swapper/223:45:582
31202490,4chrt0-21swapper/223:45:582
156752490,4sleep20-21swapper/220:00:542
156752490,4sleep20-21swapper/220:00:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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