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2026-01-15 - 22:08
[ 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 #8, slot #4

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot4s.osadl.org (updated Thu Jan 15, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8787782233173,49sleep70-21swapper/707:06:117
8787942231170,20sleep50-21swapper/507:06:265
8790312223182,27sleep10-21swapper/107:09:511
8789392222168,18sleep20-21swapper/207:08:322
8788962218183,23sleep60-21swapper/607:07:566
8789942215182,21sleep00-21swapper/007:09:170
8790062213183,19sleep30-21swapper/307:09:303
8788582206177,19sleep40-21swapper/407:07:224
87927299292,24cyclictest888725-21munin-run07:25:002
87928799269,0cyclictest0-21swapper/709:16:307
879272992624,1cyclictest897292-21cron07:40:002
879263992624,1cyclictest900158-21cron07:45:000
87928799250,24cyclictest926558-21apt-get08:30:127
87927699250,24cyclictest966121-21munin-run09:40:013
879268992523,1cyclictest988971-21munin-run10:19:591
87926899250,24cyclictest0-21swapper/111:10:131
879287992424,0cyclictest0-21swapper/711:10:137
879287992422,1cyclictest920147-21turbostat.cron08:20:017
879287992422,1cyclictest920147-21turbostat.cron08:20:017
87928799240,0cyclictest0-21swapper/708:55:117
87928399240,24cyclictest1035485-21awk11:40:006
87928399240,23cyclictest0-21swapper/610:35:116
879281992422,1cyclictest1012515-21apt-get11:00:105
87927899240,1cyclictest943704-21apt-get09:00:124
87927699240,23cyclictest0-21swapper/311:40:113
87927299240,24cyclictest0-21swapper/212:05:002
87926899240,1cyclictest940832-21apt-get08:55:111
87926399240,23cyclictest0-21swapper/007:50:110
879287992321,1cyclictest0-21swapper/709:15:017
87928799230,22cyclictest0-21swapper/712:30:127
879283992322,1cyclictest78-21ksoftirqd/611:05:016
87928199230,22cyclictest932280-21apt-get08:40:115
87928199230,22cyclictest1020905-21apt-get11:15:015
879278992321,1cyclictest983681-21apt-get10:10:124
87927899230,23cyclictest0-21swapper/408:20:114
87927899230,23cyclictest0-21swapper/408:20:114
879276992322,1cyclictest0-21swapper/307:20:003
87927699230,22cyclictest886294-21apt-get07:20:123
87927699230,22cyclictest0-21swapper/312:25:103
879272992322,1cyclictest968990-21munin-run09:45:012
879272992321,1cyclictest923705-21apt-get08:25:112
879272992321,1cyclictest923705-21apt-get08:25:112
87926899230,22cyclictest0-21swapper/108:25:111
87926899230,22cyclictest0-21swapper/108:25:111
879263992322,1cyclictest1041597-21apt-get11:50:100
879263992321,1cyclictest900597-21apt-get07:45:130
87926399230,22cyclictest0-21swapper/010:24:590
87926399230,1cyclictest983681-21apt-get10:10:120
87928799229,0cyclictest0-21swapper/712:01:157
879287992222,0cyclictest0-21swapper/710:15:127
879287992222,0cyclictest0-21swapper/708:25:117
879287992222,0cyclictest0-21swapper/708:25:117
879287992220,1cyclictest909168-21apt-get08:00:127
879287992220,1cyclictest1000694-21sendmail-msp10:40:007
87928799220,22cyclictest0-21swapper/709:35:007
87928799220,21cyclictest914453-21munin-run08:10:017
87928799220,21cyclictest897308-21perf07:39:597
87928799220,21cyclictest0-21swapper/710:29:597
87928799220,21cyclictest0-21swapper/710:20:117
87928799220,21cyclictest0-21swapper/710:10:127
87928799220,21cyclictest0-21swapper/710:00:117
87928799220,21cyclictest0-21swapper/707:25:127
87928799220,1cyclictest920856-21apt-get08:20:107
87928799220,1cyclictest920856-21apt-get08:20:107
87928799220,1cyclictest0-21swapper/711:05:007
87928399220,21cyclictest889144-21apt-get07:25:116
87928399220,21cyclictest0-21swapper/611:25:116
87928399220,21cyclictest0-21swapper/611:20:116
87928399220,21cyclictest0-21swapper/609:50:126
87928399220,1cyclictest0-21swapper/612:10:116
87928399220,1cyclictest0-21swapper/612:05:016
879281992220,1cyclictest1030173-21apt-get11:30:125
87928199220,22cyclictest974695-21perf09:55:015
87928199220,21cyclictest937980-21apt-get08:50:105
87928199220,21cyclictest894845-21apt-get07:35:115
87928199220,21cyclictest1018084-21idleruntime-cro11:10:005
87928199220,21cyclictest0-21swapper/511:10:135
87928199220,21cyclictest0-21swapper/510:05:105
87928199220,21cyclictest0-21swapper/508:15:125
87928199220,21cyclictest0-21swapper/508:15:125
87928199220,1cyclictest1064298-21perf12:30:005
879278992221,1cyclictest0-21swapper/410:45:004
87927899220,22cyclictest1061857-21apt-get12:25:104
87927899220,21cyclictest0-21swapper/410:55:124
87927899220,21cyclictest0-21swapper/410:05:104
87927899220,21cyclictest0-21swapper/409:50:004
87927899220,21cyclictest0-21swapper/408:45:124
87927899220,21cyclictest0-21swapper/408:05:124
87927899220,1cyclictest1015631-21apt-get11:05:124
879276992220,1cyclictest1038747-21apt-get11:45:113
87927699220,22cyclictest1069996-21munin-run12:40:003
87927699220,21cyclictest946125-21latency_hist09:05:013
87927699220,21cyclictest0-21swapper/312:15:123
87927699220,21cyclictest0-21swapper/312:05:013
87927699220,21cyclictest0-21swapper/310:35:113
879272992222,0cyclictest0-21swapper/210:55:122
879272992222,0cyclictest0-21swapper/210:05:112
879272992220,1cyclictest917719-21apt-get08:15:122
879272992220,1cyclictest917719-21apt-get08:15:112
879272992220,1cyclictest0-21swapper/209:35:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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