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2026-02-26 - 08:31
[ 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 #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 Feb 26, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39432245180,22sleep10-21swapper/119:05:451
40062220181,25sleep70-21swapper/719:06:397
41722218185,21sleep50-21swapper/519:09:045
40842217162,17sleep00-21swapper/019:07:460
39632215175,26sleep30-21swapper/319:06:033
41512212178,21sleep20-21swapper/219:08:432
39572208175,21sleep60-21swapper/619:05:596
39552207174,21sleep40-21swapper/419:05:574
4478993634,1cyclictest103021-21fwupd21:59:536
4467993029,1cyclictest0-21swapper/221:59:532
446399264,22cyclictest72350irq/124-eno100:25:001
4471992524,0cyclictest0-21swapper/321:20:103
448299240,23cyclictest45388-21awk20:20:007
447699240,23cyclictest123092-21idleruntime-cro22:35:015
4471992422,1cyclictest0-21swapper/320:50:113
447199240,1cyclictest0-21swapper/319:15:123
4482992322,1cyclictest0-21swapper/719:44:597
448299230,22cyclictest0-21swapper/720:40:027
4478992321,1cyclictest59939-21munin-run20:45:006
447699230,23cyclictest186803-21idleruntime-cro00:24:595
447699230,22cyclictest0-21swapper/500:35:125
447699230,21cyclictest0-21swapper/519:45:115
4473992322,1cyclictest34387-21apt-get20:00:124
4473992321,1cyclictest0-21swapper/420:10:004
447399230,22cyclictest106381-21apt-get22:05:124
4471992321,1cyclictest94492-21turbostat21:45:003
4471992321,1cyclictest94492-21turbostat21:45:003
4471992321,1cyclictest0-21swapper/323:40:113
4471992320,3cyclictest117414-21awk22:25:003
4467992321,1cyclictest48246-21munin-run20:24:592
4467992321,1cyclictest0-21swapper/220:15:002
446799230,2cyclictest175364-21awk00:05:002
446799230,22cyclictest77749-21apt-get21:15:112
446799230,22cyclictest0-21swapper/200:30:002
4463992323,0cyclictest0-21swapper/123:05:111
4463992323,0cyclictest0-21swapper/121:20:101
446399230,23cyclictest0-21swapper/123:50:001
446399230,22cyclictest0-21swapper/123:40:121
446399230,22cyclictest0-21swapper/120:40:021
4458992322,1cyclictest0-21swapper/020:55:130
4458992321,1cyclictest117813-21apt-get22:25:120
445899230,1cyclictest0-21swapper/020:50:010
4482992222,0cyclictest140768-21apt-get23:05:017
4482992221,1cyclictest138343-21apt-get23:00:117
4482992220,1cyclictest161031-21sendmail23:40:007
448299220,22cyclictest646-21dbus-daemon20:40:007
448299220,22cyclictest0-21swapper/721:25:007
448299220,22cyclictest0-21swapper/721:05:007
448299220,21cyclictest45814-21apt-get20:20:137
448299220,21cyclictest37236-21apt-get20:05:117
448299220,21cyclictest0-21swapper/722:55:127
448299220,21cyclictest0-21swapper/722:20:137
448299220,21cyclictest0-21swapper/721:40:117
448299220,21cyclictest0-21swapper/721:40:117
448299220,21cyclictest0-21swapper/720:30:127
448299220,21cyclictest0-21swapper/719:45:127
448299220,21cyclictest0-21swapper/719:35:117
448299220,21cyclictest0-21swapper/700:20:117
448299220,21cyclictest0-21swapper/700:05:127
448299220,1cyclictest170021-21apt-get23:55:127
4478992222,0cyclictest0-21swapper/600:05:126
4478992221,1cyclictest65631-21apt-get20:55:026
4478992220,2cyclictest111686-21awk22:15:006
4478992220,1cyclictest0-21swapper/622:40:006
447899220,22cyclictest0-21swapper/623:55:126
447899220,21cyclictest77749-21apt-get21:15:116
447899220,21cyclictest0-21swapper/623:40:126
447899220,21cyclictest0-21swapper/622:55:126
447899220,21cyclictest0-21swapper/600:10:106
447699220,21cyclictest152887-21apt-get23:25:125
447699220,21cyclictest0-21swapper/523:35:095
447699220,21cyclictest0-21swapper/523:15:115
447699220,21cyclictest0-21swapper/519:35:125
447699220,21cyclictest0-21swapper/500:05:115
447699220,1cyclictest143900-21awk23:10:005
447699220,1cyclictest126520-21latency_hist22:40:015
4473992221,1cyclictest56792-21idleruntime-cro20:40:014
4473992221,1cyclictest0-21swapper/423:35:094
4473992220,1cyclictest0-21swapper/422:15:114
447399220,22cyclictest33951-21munin-run19:59:594
4471992222,0cyclictest0-21swapper/323:10:103
4471992220,1cyclictest0-21swapper/323:50:093
447199220,21cyclictest0-21swapper/322:30:113
447199220,21cyclictest0-21swapper/321:15:113
447199220,1cyclictest22213-21munin-run19:40:003
447199220,1cyclictest0-21swapper/323:15:113
447199220,1cyclictest0-21swapper/322:45:123
447199220,1cyclictest0-21swapper/320:40:023
4467992221,1cyclictest83476-21apt-get21:25:112
446799220,21cyclictest144307-21apt-get23:10:112
446799220,21cyclictest0-21swapper/222:55:122
446799220,1cyclictest123518-21apt-get22:35:112
446799220,1cyclictest0-21swapper/220:55:012
446799220,1cyclictest0-21swapper/200:30:102
4463992221,1cyclictest0-21swapper/123:10:111
4463992220,1cyclictest0-21swapper/119:25:121
446399220,22cyclictest0-21swapper/123:55:121
446399220,1cyclictest22220-21perf19:39:591
446399220,1cyclictest152475-21perf23:25:001
446399220,1cyclictest0-21swapper/119:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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