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2026-02-18 - 18:31
[ 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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot6s.osadl.org (updated Wed Feb 18, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1902211595,15sleep00-21swapper/007:08:160
1848211495,14sleep30-21swapper/307:07:353
1604221140,1sleep10-21swapper/109:00:261
1757211393,15sleep20-21swapper/207:06:262
1913210897,6sleep10-21swapper/107:08:251
75782790,0sleep20-21swapper/211:15:542
206599360,18cyclictest0-21swapper/307:15:143
206499260,24cyclictest0-21swapper/210:50:112
111352250,1sleep20-21swapper/208:50:122
206299220,2cyclictest0-21swapper/009:35:110
206299220,20cyclictest0-21swapper/009:05:110
206399211,2cyclictest0-21swapper/107:15:141
206399210,2cyclictest0-21swapper/108:05:111
206399210,19cyclictest0-21swapper/111:30:121
206299210,19cyclictest0-21swapper/009:10:130
2065992017,2cyclictest17657-21kworker/u8:210:29:053
206299200,18cyclictest0-21swapper/011:35:090
124572200,0sleep20-21swapper/211:56:072
2065991916,2cyclictest22743-21kworker/u8:108:29:033
2065991815,2cyclictest5659-21kworker/u8:011:17:053
2065991815,2cyclictest27393-21kworker/u8:012:21:053
2065991815,2cyclictest14723-21kworker/u8:110:52:053
267522170,0sleep20-21swapper/211:36:542
2065991714,2cyclictest7914-21kworker/u8:112:30:053
2065991714,2cyclictest7914-21kworker/u8:111:59:053
2065991714,2cyclictest515-21kworker/u8:209:43:043
2065991714,2cyclictest19245-21kworker/u8:109:48:053
2065991714,2cyclictest19245-21kworker/u8:109:48:043
2065991714,2cyclictest14723-21kworker/u8:111:32:053
206499170,2cyclictest0-21swapper/208:10:122
2062991714,2cyclictest26371-21kworker/u8:209:59:050
2065991613,2cyclictest8720-21kworker/u8:108:46:053
2065991613,2cyclictest32558-21kworker/u8:211:12:043
2065991613,2cyclictest26894-21kworker/u8:008:22:053
2065991613,2cyclictest24121-21kworker/u8:011:08:053
2065991613,2cyclictest22743-21kworker/u8:108:33:053
2065991613,2cyclictest17657-21kworker/u8:210:57:033
2065991613,2cyclictest12311-21kworker/u8:211:43:053
2065991613,2cyclictest12149-21kworker/u8:110:21:043
2065991613,2cyclictest10618-21kworker/u8:007:49:043
206599161,13cyclictest24346-21updatedb.mlocat08:01:283
206499162,12cyclictest19642-21aten2.4-expect10:55:122
206399161,13cyclictest9265-21perl08:45:171
2063991611,3cyclictest0-21swapper/108:30:181
2062991613,2cyclictest12149-21kworker/u8:110:13:040
28602151,3sleep30-21swapper/307:10:143
206599151,3cyclictest21530-21ssh12:05:563
2065991512,2cyclictest7914-21kworker/u8:112:19:053
2065991512,2cyclictest6429-21kworker/u8:107:27:053
2065991512,2cyclictest6043-21kworker/u8:008:37:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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