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2026-01-14 - 15:20
[ 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 Wed Jan 14, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2408821130,3sleep30-21swapper/308:45:433
2408821130,3sleep30-21swapper/308:45:433
956321010,3chrt0-21swapper/309:35:453
956321010,3chrt0-21swapper/309:35:453
956321010,3chrt0-21swapper/309:35:453
165952990,3sleep016598-21fschecks_time09:55:440
165952990,3sleep016598-21fschecks_time09:55:440
165952990,3sleep016598-21fschecks_time09:55:440
251032760,3chrt0-21swapper/307:20:453
113412710,2sleep0171ktimers/011:05:550
113412710,2sleep0171ktimers/011:05:550
315942640,3sleep2351rcuc/209:05:452
315942640,3sleep2351rcuc/209:05:452
226322620,2sleep20-21swapper/208:40:482
226322620,2sleep20-21swapper/208:40:482
6042570,2sleep00-21swapper/007:40:520
295752570,7sleep0171ktimers/009:00:440
180212560,2chrt18016-21grep11:25:450
43132550,2chrt0-21swapper/312:15:453
43132550,2chrt0-21swapper/312:15:453
43132550,2chrt0-21swapper/312:15:453
176322520,3sleep3431rcuc/311:25:403
176322520,3sleep3431rcuc/311:25:403
226492500,3sleep20-21swapper/210:10:492
226492500,3sleep20-21swapper/210:10:492
301892490,3sleep20-21swapper/209:00:502
238452460,4sleep30-21swapper/310:15:413
148122440,2sleep30-21swapper/311:15:523
148122440,2sleep30-21swapper/311:15:523
148122440,2sleep30-21swapper/311:15:523
286872430,3sleep20-21swapper/210:25:532
300622420,3sleep20-21swapper/210:30:472
300622420,3sleep20-21swapper/210:30:472
28822420,1sleep3431rcuc/309:15:433
28822420,1sleep3431rcuc/309:15:433
57032410,3sleep20-21swapper/209:20:562
57032410,3sleep20-21swapper/209:20:562
237712410,4sleep20-21swapper/211:40:462
20792994132,7cyclictest32017-21netstat09:05:500
20792994132,7cyclictest32017-21netstat09:05:500
21572390,3sleep0377-21kworker/0:0+events_freezable_power_07:45:500
21572390,3sleep0377-21kworker/0:0+events_freezable_power_07:45:500
20792993830,6cyclictest28868-21netstat07:30:490
20792993830,6cyclictest28868-21netstat07:30:490
20792993729,6cyclictest1826-21threads09:10:510
20792993729,6cyclictest1826-21threads09:10:510
154172360,1sleep014513-21/usr/sbin/munin09:50:540
154172360,1sleep014513-21/usr/sbin/munin09:50:540
154172360,1sleep014513-21/usr/sbin/munin09:50:540
103422360,3sleep00-21swapper/012:30:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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