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2026-01-17 - 11:51
[ 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 Sat Jan 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22246952235198,24sleep00-21swapper/019:05:540
22249702234169,20sleep20-21swapper/219:09:502
22246692231167,21sleep10-21swapper/119:05:311
22248222223192,20sleep30-21swapper/319:07:423
22247962218179,26sleep40-21swapper/419:07:184
22248822216179,24sleep70-21swapper/719:08:347
22248812214179,22sleep60-21swapper/619:08:346
22246912214181,21sleep50-21swapper/519:05:525
2225193992927,1cyclictest0-21swapper/220:09:562
222518799260,2cyclictest2268702-21munin-run20:25:010
2225208992525,0cyclictest0-21swapper/722:20:007
2225187992520,4cyclictest2412369-21idleruntime-cro00:35:010
2225187992520,4cyclictest2335109-21apt-get22:20:110
2225208992423,1cyclictest0-21swapper/700:35:007
2225208992422,1cyclictest2326100-21turbostat.cron22:05:017
222520499241,22cyclictest2309372-21apt-get21:35:126
222520499240,3cyclictest2314669-21idleruntime-cro21:45:016
222519799240,23cyclictest0-21swapper/323:40:003
222519799240,0cyclictest0-21swapper/323:30:093
222519799240,0cyclictest0-21swapper/320:45:113
222519399240,2cyclictest2355359-21apt-get22:55:122
222519399240,2cyclictest2355359-21apt-get22:55:122
222519399240,23cyclictest2360670-21perf23:05:002
222519399240,23cyclictest2311825-21readlink21:40:002
2225187992421,3cyclictest0-21swapper/020:20:010
2225187992421,2cyclictest2309372-21apt-get21:35:120
222518799240,23cyclictest0-21swapper/022:25:120
222518799240,23cyclictest0-21swapper/021:25:120
222520899230,23cyclictest2384207-21apt-get23:45:117
222520899230,22cyclictest2374952-21perf23:30:007
222520499230,22cyclictest2378220-21apt-get23:35:136
222520499230,22cyclictest0-21swapper/620:25:126
2225202992320,2cyclictest2392809-21http00:00:115
222520299230,23cyclictest2265838-21perf20:20:005
2225199992321,1cyclictest2249100-21apt-get19:50:114
222519999230,22cyclictest0-21swapper/421:40:004
2225197992319,3cyclictest2334685-21sleep22:20:013
222519799230,22cyclictest2286514-21apt-get20:55:133
222519799230,22cyclictest0-21swapper/323:20:113
222519799230,1cyclictest2231966-21apt-get19:20:103
222519399230,22cyclictest0-21swapper/200:35:002
222519399230,1cyclictest0-21swapper/221:25:002
2225191992320,2cyclictest2268714-21awk20:25:001
222519199231,1cyclictest321ktimers/119:25:001
222519199230,22cyclictest2349654-21apt-get22:45:111
222519199230,22cyclictest2251953-21apt-get19:55:111
222519199230,22cyclictest0-21swapper/119:40:111
2225187992321,1cyclictest2384211-21http23:45:120
2225187992319,4cyclictest0-21swapper/023:05:080
222518799230,22cyclictest0-21swapper/023:35:140
222518799230,22cyclictest0-21swapper/022:10:010
2225208992221,1cyclictest0-21swapper/723:15:117
222520899220,21cyclictest0-21swapper/700:20:107
222520899220,1cyclictest2231966-21apt-get19:20:107
222520899220,1cyclictest0-21swapper/720:25:017
222520899220,0cyclictest0-21swapper/723:30:097
2225204992221,1cyclictest2320383-21munin-run21:55:006
2225204992221,0cyclictest0-21swapper/600:30:116
2225204992220,2cyclictest2363517-21munin-run23:10:006
2225204992220,1cyclictest0-21swapper/620:25:016
222520499220,22cyclictest2323267-21sendmail22:00:006
222520499220,21cyclictest2392806-21apt-get00:00:116
222520499220,21cyclictest0-21swapper/622:45:106
222520499220,21cyclictest0-21swapper/621:05:116
222520499220,21cyclictest0-21swapper/600:20:116
222520499220,1cyclictest2357833-21idleruntime-cro23:00:016
222520499220,1cyclictest2357833-21idleruntime-cro23:00:006
222520499220,1cyclictest2289385-21apt-get21:00:106
222520499220,1cyclictest0-21swapper/619:25:006
222520299220,22cyclictest0-21swapper/519:40:195
222520299220,21cyclictest2237671-21apt-get19:30:105
222520299220,21cyclictest0-21swapper/523:50:125
222520299220,21cyclictest0-21swapper/523:20:125
222520299220,21cyclictest0-21swapper/522:15:105
222520299220,21cyclictest0-21swapper/522:00:125
222520299220,21cyclictest0-21swapper/521:45:095
222520299220,21cyclictest0-21swapper/521:40:115
222520299220,21cyclictest0-21swapper/520:40:125
2225199992220,1cyclictest0-21swapper/423:10:114
2225199992220,1cyclictest0-21swapper/422:50:114
2225199992220,1cyclictest0-21swapper/420:55:134
222519999220,22cyclictest0-21swapper/423:45:014
222519999220,21cyclictest0-21swapper/400:15:114
222519999220,1cyclictest2357796-21munin-run23:00:004
222519999220,1cyclictest2357796-21munin-run23:00:004
222519999220,1cyclictest0-21swapper/421:55:114
2225197992221,1cyclictest0-21swapper/320:00:103
2225197992221,0cyclictest0-21swapper/300:05:123
2225197992220,1cyclictest0-21swapper/321:20:123
2225197992220,1cyclictest0-21swapper/319:25:113
222519799220,21cyclictest0-21swapper/323:45:013
222519799220,21cyclictest0-21swapper/321:00:113
222519799220,21cyclictest0-21swapper/300:20:113
222519799220,1cyclictest2323275-21sendmail-msp22:00:003
222519799220,1cyclictest0-21swapper/323:15:103
222519799220,1cyclictest0-21swapper/320:00:003
222519799220,0cyclictest0-21swapper/320:35:173
2225193992221,1cyclictest2377803-21munin-run23:35:012
222519399220,21cyclictest0-21swapper/223:50:122
222519399220,21cyclictest0-21swapper/222:25:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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