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2026-02-26 - 09:00
[ 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 100 highest latencies:
System rack3slot6s.osadl.org (updated Thu Feb 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2793211595,15sleep10-21swapper/119:07:071
2702211493,16sleep00-21swapper/019:05:580
2939211292,15sleep20-21swapper/219:09:002
2727210789,11sleep30-21swapper/319:06:173
87472680,1sleep0304299cyclictest20:40:250
116952670,0sleep20-21swapper/219:30:112
238872550,0sleep00-21swapper/022:20:240
3043993733,2cyclictest0-21swapper/120:55:111
3043993617,18cyclictest0-21swapper/121:10:131
304399288,18cyclictest0-21swapper/122:15:121
240732260,0sleep00-21swapper/021:47:330
40052230,1sleep019346-21diskmemload23:40:240
304399231,2cyclictest0-21swapper/100:15:111
304499221,19cyclictest18712-21ssh00:30:102
3043992219,2cyclictest19346-21diskmemload00:10:081
3043992219,2cyclictest19346-21diskmemload00:10:081
3044992118,2cyclictest0-21swapper/220:10:112
3042992117,2cyclictest0-21swapper/020:10:110
304599201,17cyclictest20722-21ssh23:25:133
304599200,2cyclictest0-21swapper/321:35:103
304599200,18cyclictest0-21swapper/321:10:123
304299200,18cyclictest0-21swapper/000:30:100
304599182,2cyclictest0-21swapper/320:25:053
3045991815,2cyclictest32475-21kworker/u8:021:23:053
3045991815,2cyclictest24589-21kworker/u8:222:38:053
3045991815,2cyclictest1413-21kworker/u8:223:06:043
3045991815,2cyclictest11535-21kworker/u8:022:27:053
304599180,3cyclictest0-21swapper/300:13:053
304599180,3cyclictest0-21swapper/300:13:043
202062180,0sleep30-21swapper/322:16:423
3045991714,2cyclictest9803-21kworker/u8:123:01:063
3045991714,2cyclictest9803-21kworker/u8:122:47:033
3045991714,2cyclictest9803-21kworker/u8:122:41:043
3045991714,2cyclictest5567-21kworker/u8:121:40:043
3045991714,2cyclictest3354-21kworker/u8:022:34:043
3045991714,2cyclictest26043-21kworker/u8:019:17:033
3045991714,2cyclictest19610-21kworker/u8:121:17:043
3045991714,2cyclictest13537-21kworker/u8:119:51:043
3045991714,2cyclictest11535-21kworker/u8:021:45:043
3045991712,3cyclictest39-21ksoftirqd/323:30:253
3045991712,3cyclictest30793-21ssh21:55:123
3045991712,3cyclictest24933-21sort22:55:173
3043991710,5cyclictest0-21swapper/122:10:491
304399170,15cyclictest0-21swapper/123:09:461
151272170,0sleep20-21swapper/200:25:232
3045991613,2cyclictest6841-21kworker/u8:021:06:043
3045991613,2cyclictest28941-21kworker/u8:023:13:043
3045991613,2cyclictest24589-21kworker/u8:222:22:043
3045991613,2cyclictest19291-21kworker/u8:200:01:033
3045991613,2cyclictest13537-21kworker/u8:120:00:053
3045991613,2cyclictest11671-21kworker/u8:120:52:053
3045991613,2cyclictest11671-21kworker/u8:120:52:043
304599160,14cyclictest0-21swapper/322:52:053
304499161,3cyclictest7458-21runrttasks21:28:112
304499160,14cyclictest0-21swapper/219:10:112
304399161,13cyclictest0-21swapper/122:26:501
3043991611,3cyclictest0-21swapper/122:03:491
304399160,2cyclictest0-21swapper/100:05:121
304399160,2cyclictest0-21swapper/100:05:111
3045991512,2cyclictest7517-21kworker/u8:119:22:043
3045991512,2cyclictest6841-21kworker/u8:020:42:043
3045991512,2cyclictest349-21kworker/u8:223:47:043
3045991512,2cyclictest349-21kworker/u8:223:39:033
3045991512,2cyclictest28941-21kworker/u8:023:22:043
3045991512,2cyclictest22554-21kworker/u8:123:53:053
3045991512,2cyclictest17747-21kworker/u8:000:39:043
3045991512,2cyclictest13537-21kworker/u8:120:12:043
3045991512,2cyclictest11011-21kworker/u8:219:41:043
3045991512,2cyclictest11011-21kworker/u8:219:37:053
304599150,3cyclictest9482-21df_abs00:20:133
304599150,2cyclictest0-21swapper/323:55:143
304599150,10cyclictest0-21swapper/322:09:043
304599150,10cyclictest0-21swapper/320:30:043
304399151,2cyclictest0-21swapper/121:00:141
304399151,12cyclictest0-21swapper/122:50:111
3043991510,3cyclictest0-21swapper/122:42:401
3043991510,3cyclictest0-21swapper/119:35:141
3042991512,2cyclictest12399-21kworker/u8:122:11:030
3045991411,2cyclictest6841-21kworker/u8:021:01:043
3045991411,2cyclictest30892-21kworker/u8:222:10:053
3045991411,2cyclictest30892-21kworker/u8:222:00:053
3045991411,2cyclictest26429-21kworker/u8:100:15:033
3045991411,2cyclictest17259-21kworker/u8:019:49:043
3045991411,2cyclictest13537-21kworker/u8:120:36:043
3045991411,2cyclictest13537-21kworker/u8:119:58:043
3045991411,2cyclictest11671-21kworker/u8:120:58:043
3045991411,2cyclictest11011-21kworker/u8:219:34:043
3045991411,2cyclictest11011-21kworker/u8:219:11:043
3045991411,2cyclictest10972-21kworker/u8:019:26:043
304599140,9cyclictest0-21swapper/320:07:043
304599140,13cyclictest0-21swapper/320:20:133
304599140,12cyclictest0-21swapper/323:16:553
304499149,3cyclictest0-21swapper/222:35:152
304499149,3cyclictest0-21swapper/221:43:122
304499141,7cyclictest0-21swapper/200:10:012
304499141,7cyclictest0-21swapper/200:10:002
304499141,11cyclictest25289-21ssh21:49:272
3044991410,2cyclictest24892-21memory22:55:172
3044991410,2cyclictest0-21swapper/222:22:212
304499140,2cyclictest0-21swapper/223:25:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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