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2026-01-20 - 15:55
[ 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 #e, slot #5

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 rackeslot5s.osadl.org (updated Tue Jan 20, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
614899240,23cyclictest22728-21dump-pmu-power08:50:012
6146992423,1cyclictest32072-21munin-run11:20:011
614699240,23cyclictest0-21swapper/107:12:391
6142992423,1cyclictest0-21swapper/010:32:300
6148992322,0cyclictest20491-21apt-get10:57:292
6148992321,1cyclictest12729-21munin-run08:30:002
614899230,22cyclictest4800-21apt-get10:25:022
614899230,22cyclictest32052-21apt11:20:012
614699231,21cyclictest622-21gdbus08:40:011
614699230,22cyclictest12850-21idleruntime-cro10:40:011
614699230,22cyclictest10977-21sendmail-msp07:20:011
614699230,22cyclictest0-21swapper/109:55:011
6142992321,1cyclictest0-21swapper/009:32:300
614299230,22cyclictest22464-21sendmail-msp11:00:000
6152992220,1cyclictest0-21swapper/310:57:303
6152992219,2cyclictest14512-21apt11:50:003
615299220,21cyclictest7843-21cron08:20:003
615299220,21cyclictest7690-21apt-get11:37:293
615299220,21cyclictest606-21dbus-daemon11:10:013
615299220,21cyclictest4935-21apt-get12:37:273
615299220,21cyclictest29658-21munin-run11:15:013
615299220,21cyclictest15131-21apt08:35:003
615299220,21cyclictest12131-21dump-pmu-power11:45:003
615299220,21cyclictest1098-21apt-get08:07:293
615299220,21cyclictest0-21swapper/311:52:303
615299220,21cyclictest0-21swapper/310:30:013
615299220,21cyclictest0-21swapper/310:15:003
615299220,1cyclictest30768-21apt-get09:07:293
6148992220,1cyclictest28250-21cron07:55:012
614899220,21cyclictest30644-21turbostat.cron08:00:012
614899220,21cyclictest10984-21munin-run07:20:012
614899220,21cyclictest0-21swapper/208:22:292
614899220,1cyclictest313-21systemd-journal07:30:002
614899220,1cyclictest0-21swapper/212:30:002
6146992222,0cyclictest13305-21apt-get10:42:291
6146992220,1cyclictest27524-21idleruntime-cro09:00:011
614699220,21cyclictest17744-21apt-get11:57:301
614699220,21cyclictest0-21swapper/108:17:341
614699220,21cyclictest0-21swapper/107:40:001
614699220,1cyclictest606-21dbus-daemon07:50:011
614699220,1cyclictest17659-21grep10:50:001
6142992221,0cyclictest0-21swapper/011:02:300
6142992220,1cyclictest4449-21munin-run11:30:010
614299221,0cyclictest0-21swapper/012:02:310
614299220,21cyclictest14507-21perf11:50:000
614299220,21cyclictest141rcuc/010:00:000
614299220,21cyclictest13-21ksoftirqd/009:15:000
614299220,21cyclictest12849-21perf10:40:010
614299220,21cyclictest0-21swapper/011:32:310
614299220,21cyclictest0-21swapper/008:47:310
614299220,1cyclictest1649-21cron09:55:010
614299220,1cyclictest0-21swapper/012:20:010
6152992121,0cyclictest25346-21apt-get12:12:313
6152992121,0cyclictest0-21swapper/310:37:293
6152992120,1cyclictest22816-21apt-get09:57:303
6152992120,0cyclictest0-21swapper/311:22:303
615299210,21cyclictest0-21swapper/312:27:323
615299210,20cyclictest0-21swapper/310:17:303
615299210,20cyclictest0-21swapper/308:02:303
615299210,0cyclictest9005-21apt-get07:17:293
615299210,0cyclictest27977-21apt-get09:02:283
615299210,0cyclictest18377-21apt-get08:42:303
615299210,0cyclictest0-21swapper/309:17:293
6148992121,0cyclictest14955-21apt-get11:52:302
6148992118,2cyclictest4430-21latency_hist11:30:012
6148992118,2cyclictest25115-21latency_hist08:55:012
614899210,20cyclictest0-21swapper/210:42:302
614899210,1cyclictest27265-21munin-run11:10:012
614899210,1cyclictest24762-21perf10:00:002
614899210,1cyclictest0-21swapper/208:12:312
614899210,0cyclictest2821-21apt-get10:22:302
614899210,0cyclictest0-21swapper/208:32:272
6146992121,0cyclictest2543-21apt-get12:32:301
6146992121,0cyclictest0-21swapper/107:32:291
6146992120,1cyclictest29936-21perf09:05:011
6146992120,1cyclictest21299-21apt-get07:40:021
6146992119,1cyclictest30685-21idleruntime-cro08:00:011
6146992119,1cyclictest29579-21turbostat.cron10:10:001
6146992119,1cyclictest2701-21latency_hist09:15:001
614699210,20cyclictest4935-21apt-get12:37:271
614699210,20cyclictest0-21swapper/109:57:301
614699210,0cyclictest0-21swapper/112:07:311
614699210,0cyclictest0-21swapper/111:32:311
614699210,0cyclictest0-21swapper/108:42:301
614699210,0cyclictest0-21swapper/108:02:301
6142992121,0cyclictest0-21swapper/011:42:310
6142992121,0cyclictest0-21swapper/011:17:290
6142992121,0cyclictest0-21swapper/011:12:340
6142992120,1cyclictest0-21swapper/012:27:320
6142992120,1cyclictest0-21swapper/011:35:020
6142992120,1cyclictest0-21swapper/008:02:300
6142992119,1cyclictest2061-21munin-run11:25:010
6142992119,1cyclictest16907-21perf11:55:010
6142992118,2cyclictest31952-21awk10:15:000
6142992118,2cyclictest18165-21awk07:35:000
614299210,21cyclictest0-21swapper/009:42:290
614299210,20cyclictest0-21swapper/009:22:300
614299210,20cyclictest0-21swapper/007:22:280
614299210,0cyclictest0-21swapper/010:42:300
6152992020,0cyclictest10822-21apt-get09:32:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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