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2026-01-17 - 09:28
[ 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 Sat Jan 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16434211692,19sleep00-21swapper/019:07:460
15950211594,13sleep30-21swapper/319:05:253
16391211493,16sleep20-21swapper/219:07:122
16343210791,11sleep10-21swapper/119:06:351
137832800,4sleep01663399cyclictest21:24:330
245282760,1sleep3381ktimersoftd/322:10:373
195242700,1sleep0101ktimersoftd/020:35:150
219762680,1sleep00-21swapper/000:30:190
1663499381,35cyclictest4559-21ssh21:50:101
39972330,1sleep00-21swapper/022:25:050
1663699211,2cyclictest0-21swapper/322:25:113
1663699210,2cyclictest0-21swapper/322:20:113
1663699210,19cyclictest0-21swapper/300:25:103
16635992118,2cyclictest1-21init22:55:122
1663399211,2cyclictest0-21swapper/021:00:100
16635992016,3cyclictest31-21ksoftirqd/221:20:122
1663399200,15cyclictest0-21swapper/019:27:050
1663399192,2cyclictest0-21swapper/023:03:050
1663399191,13cyclictest0-21swapper/022:38:050
1663399190,14cyclictest0-21swapper/020:03:040
1663399190,14cyclictest0-21swapper/000:37:040
207192180,0sleep30-21swapper/322:06:533
16635991814,2cyclictest0-21swapper/219:35:122
1663699171,3cyclictest20709-21rm19:19:593
1663599171,2cyclictest0-21swapper/220:50:102
1663599171,2cyclictest0-21swapper/220:50:102
1663399170,12cyclictest0-21swapper/022:42:040
1663699161,3cyclictest2310-21ssh21:10:413
16636991611,3cyclictest25495-21ssh00:35:123
16635991611,3cyclictest0-21swapper/200:34:452
1663499160,13cyclictest0-21swapper/123:10:161
1663399161,4cyclictest0-21swapper/019:36:040
1663399161,2cyclictest0-21swapper/022:53:040
1663399161,14cyclictest0-21swapper/022:59:040
16633991611,3cyclictest0-21swapper/023:20:480
1663399161,13cyclictest0-21swapper/000:09:030
1663399160,2cyclictest0-21swapper/000:13:030
16636991511,2cyclictest0-21swapper/319:50:243
16636991510,3cyclictest15201-21ssh00:23:403
16636991510,3cyclictest0-21swapper/300:30:043
1663699150,3cyclictest0-21swapper/321:20:143
1663699150,13cyclictest0-21swapper/321:55:153
1663599151,12cyclictest16795-21ssh22:38:442
1663599151,12cyclictest11908-21ssh22:33:042
1663599151,12cyclictest10898-21ssh00:19:072
16635991510,3cyclictest0-21swapper/222:22:362
16635991510,3cyclictest0-21swapper/220:40:142
1663599150,12cyclictest31-21ksoftirqd/220:35:132
1663499150,13cyclictest29224-21seq22:51:421
1663499150,13cyclictest0-21swapper/123:32:581
1663499150,13cyclictest0-21swapper/100:00:131
1663399152,2cyclictest0-21swapper/023:28:050
1663399151,2cyclictest0-21swapper/023:34:040
1663399151,2cyclictest0-21swapper/022:02:050
1663399151,13cyclictest0-21swapper/023:44:040
16633991510,3cyclictest21948-21ssh23:55:130
1663399150,2cyclictest0-21swapper/022:30:040
1663399150,2cyclictest0-21swapper/021:36:050
1663399150,14cyclictest0-21swapper/023:47:040
1663399150,14cyclictest0-21swapper/023:13:050
1663399150,14cyclictest0-21swapper/023:07:040
8152140,3sleep11000-21munin-node1
186702140,2sleep00-21swapper/023:50:480
186282140,3sleep20-21swapper/221:30:002
1663699149,3cyclictest6808-21taskset00:14:553
1663699149,3cyclictest0-21swapper/320:50:053
1663699149,3cyclictest0-21swapper/320:50:053
1663699142,7cyclictest6675-21snmpd19:15:013
1663699141,2cyclictest7458-21runrttasks23:15:043
16636991411,2cyclictest0-21swapper/323:10:053
16636991411,2cyclictest0-21swapper/300:07:543
1663699140,3cyclictest7788-21ssh21:16:563
1663699140,3cyclictest0-21swapper/322:01:133
1663699140,2cyclictest0-21swapper/319:20:233
1663699140,12cyclictest0-21swapper/323:50:383
1663699140,12cyclictest0-21swapper/322:48:083
1663599149,3cyclictest0-21swapper/221:31:152
16635991411,2cyclictest0-21swapper/220:15:122
16635991411,2cyclictest0-21swapper/200:27:262
1663599141,11cyclictest32747-21diskmemload21:41:332
1663599141,11cyclictest26783-21ssh21:38:332
1663599141,11cyclictest0-21swapper/200:13:452
16635991410,2cyclictest29-21rcuc/223:40:132
1663599140,12cyclictest26892-21ssh23:25:142
1663599140,12cyclictest0-21swapper/223:33:212
1663599140,12cyclictest0-21swapper/221:10:202
1663499149,3cyclictest7267-21munin-node1
1663499149,3cyclictest0-21swapper/119:35:171
1663499142,10cyclictest0-21swapper/100:22:471
1663499141,3cyclictest20413-21ssh23:53:511
16634991411,2cyclictest0-21swapper/121:12:321
16634991411,2cyclictest0-21swapper/100:37:521
16634991410,2cyclictest17979-21apt-get22:05:041
1663499140,2cyclictest0-21swapper/121:15:121
1663499140,12cyclictest32747-21diskmemload23:40:161
1663499140,12cyclictest18912-21basename19:15:121
1663499140,12cyclictest13378-21ssh21:59:551
1663499140,12cyclictest12659-21kworker/u8:021:31:591
1663399141,7cyclictest0-21swapper/022:20:040
1663399141,11cyclictest32747-21diskmemload21:26:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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