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2026-02-17 - 19:16
[ 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 Feb 17, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1991621060,3sleep20-21swapper/211:56:252
1991621060,3sleep20-21swapper/211:56:252
197132900,2chrt19716-21fschecks_time10:31:170
197132900,2chrt19716-21fschecks_time10:31:170
253512770,3sleep00-21swapper/007:51:250
253512770,3sleep00-21swapper/007:51:250
326262690,2chrt32627-21awk08:11:241
326262690,2chrt32627-21awk08:11:241
118682680,4sleep011870-21grep08:41:260
141092600,3chrt0-21swapper/007:21:260
141092600,3chrt0-21swapper/007:21:260
137222580,3sleep20-21swapper/208:46:272
121802570,3sleep20-21swapper/211:36:232
121802570,3sleep20-21swapper/211:36:232
121802570,3sleep20-21swapper/211:36:232
60502540,4sleep30-21swapper/311:21:173
33192540,2chrt0-21swapper/011:11:290
33192540,2chrt0-21swapper/011:11:290
129832510,3sleep20-21swapper/210:11:252
9664994616,5cyclictest201rcuc/007:51:000
9664994616,5cyclictest201rcuc/007:51:000
201502450,2sleep020054-21/usr/sbin/munin09:06:160
201502450,2sleep020054-21/usr/sbin/munin09:06:160
194772450,3sleep20-21swapper/210:31:152
194772450,3sleep20-21swapper/210:31:152
148382430,2sleep114841-21wc07:26:061
148382430,2sleep114841-21wc07:26:061
229392420,3sleep30-21swapper/307:46:183
229392420,3sleep30-21swapper/307:46:183
213222420,2sleep30-21swapper/307:41:233
287392410,3sleep20-21swapper/210:56:112
318502400,2chrt31852-21date08:11:110
247382400,3sleep20-21swapper/209:16:262
247382400,3sleep20-21swapper/209:16:262
247382400,3sleep20-21swapper/209:16:262
9664993934,3cyclictest201rcuc/008:37:470
9664993934,3cyclictest201rcuc/008:37:470
9664993934,3cyclictest201rcuc/008:37:470
284402390,1sleep128567-21find09:26:271
284402390,1sleep128567-21find09:26:271
9664993730,5cyclictest17319-21threads08:56:250
9664993730,5cyclictest17319-21threads08:56:250
9664993730,5cyclictest17319-21threads08:56:250
47662370,2chrt4764-21ps11:16:241
47662370,2chrt4764-21ps11:16:241
47662370,2chrt4764-21ps11:16:241
303272370,3sleep30-21swapper/312:26:173
9665993632,3cyclictest2689-21unixbench_singl12:36:241
9665993632,3cyclictest2689-21unixbench_singl12:36:241
240832360,3chrt0-21swapper/310:41:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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