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2026-01-15 - 07:32
[ 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 #f, slot #7

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.
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.

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 rackfslot7s.osadl.org (updated Thu Jan 15, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38290052151107,39sleep00-21swapper/019:06:220
38291752140109,26sleep20-21swapper/219:08:312
38290802140105,30sleep30-21swapper/319:07:203
38291622139109,24sleep10-21swapper/119:08:221
38711462400,3sleep03871131-21munin-run21:20:000
3829494992919,8cyclictest13065-10wireplumber22:30:001
3829490992710,6cyclictest3842708-21awk19:50:010
3829500992315,5cyclictest753-21ntpd22:45:183
3829496992219,2cyclictest661-21rs:main2
3829494992111,8cyclictest1-21systemd23:10:001
3829490992112,5cyclictest3840873-21basename19:45:000
382949099210,0cyclictest0-21swapper/021:40:170
382949699207,9cyclictest3840857-21apt-get19:45:002
3829496992016,2cyclictest0-21swapper/219:34:592
3829496992010,6cyclictest3916253-21sh23:39:592
382949499201,12cyclictest3913107-21munin-run23:30:001
382949099208,10cyclictest0-21swapper/022:25:000
3829490992012,6cyclictest3915960-21sshd23:36:220
3829490992012,5cyclictest3852079-21runrttasks20:19:030
382949099200,12cyclictest0-21swapper/000:34:090
3829500991915,3cyclictest13236-21gnome-shell19:50:063
382950099190,14cyclictest3901327-21/usr/sbin/munin22:50:213
3829496991912,1cyclictest3886182-21/usr/sbin/munin22:05:112
382949499199,7cyclictest3894620-21ntpq22:30:161
382949499199,6cyclictest3838187-21smartctl19:35:131
382949499193,14cyclictest3887466-21seq22:09:301
3829494991911,5cyclictest3844055-21sshd19:52:231
3829494991910,7cyclictest3930791-21awk00:24:591
3829490991916,2cyclictest645-21dbus-daemon00:15:010
382950099188,6cyclictest3845855-21systemctl20:00:003
382950099187,5cyclictest3866184-10sshd21:02:223
382950099186,9cyclictest3903419-21dpkg23:00:003
382950099181,9cyclictest3867267-21tr21:05:203
3829500991814,3cyclictest3922570-21cron00:00:003
3829500991814,3cyclictest13214-21gvfs-afc-volume20:25:123
3829500991814,2cyclictest0-21swapper/322:20:003
382950099181,15cyclictest3848918-21taskset20:08:573
382950099181,12cyclictest3913119-21idleruntime-cro23:30:003
382949699187,5cyclictest3924327-10dpkg00:05:002
382949699186,7cyclictest3850601-21basename20:15:002
3829496991815,2cyclictest3921920-21pmu-power23:55:202
3829496991814,2cyclictest0-21swapper/223:10:002
3829496991812,4cyclictest13065-10wireplumber19:40:002
3829496991811,5cyclictest3911988-21df23:25:122
3829496991811,3cyclictest3873454-21/usr/sbin/munin21:25:132
3829496991810,6cyclictest3857654-21grep20:35:162
382949699180,16cyclictest795-21runrttasks21:45:172
382949499188,2cyclictest191rcu_preempt19:45:001
3829494991815,2cyclictest935-21sendmail-mta23:59:591
3829494991812,4cyclictest795-21runrttasks20:49:111
3829494991812,3cyclictest0-21swapper/100:20:001
3829494991811,4cyclictest753-21ntpd21:40:171
382949499180,16cyclictest3889394-21grep22:15:141
382949099188,5cyclictest3917518-10sshd23:40:510
3829490991815,2cyclictest3830965-21grep19:14:590
3829490991815,2cyclictest13109-40gmain23:58:070
382949099181,4cyclictest3903879-21/usr/sbin/munin23:00:130
3829490991812,4cyclictest795-21runrttasks20:51:560
3829490991812,4cyclictest3161440-21snmpd00:00:140
382949099180,4cyclictest3855156-21runrttasks20:27:520
382950099176,5cyclictest3924235-10dpkg00:05:003
382950099175,5cyclictest3841103-10apt-config19:45:013
3829500991712,4cyclictest3861517-21taskset20:48:213
3829500991711,4cyclictest795-21runrttasks00:34:593
3829500991711,4cyclictest3935364-21chrt00:38:163
3829500991710,5cyclictest3882387-21who21:50:183
3829500991710,5cyclictest3882387-21who21:50:183
382950099170,4cyclictest3888698-21/usr/sbin/munin22:10:193
382950099170,16cyclictest3895657-21/usr/sbin/munin22:35:203
382950099170,16cyclictest3885354-21/usr/sbin/munin22:00:213
382950099170,15cyclictest3914441-21taskset23:32:053
382949699179,5cyclictest3926854-21ld00:10:182
382949699176,5cyclictest3872758-21systemctl21:25:002
382949699171,9cyclictest3866415-21awk21:05:012
382949699171,7cyclictest3896774-21fwupdmgr22:37:242
3829496991711,4cyclictest3887784-21apt-get22:10:112
3829496991711,4cyclictest3869375-21taskset21:12:562
3829496991711,4cyclictest3832774-21chrt19:18:012
382949699170,15cyclictest3895057-21chrt22:30:312
3829494991711,4cyclictest795-21runrttasks20:04:041
382949499171,12cyclictest3837705-21awk19:35:001
3829494991710,5cyclictest3859271-21ntpq20:40:161
3829494991710,5cyclictest3833623-21memory19:20:131
3829494991710,1cyclictest3914090-21/usr/sbin/munin23:30:191
382949499170,4cyclictest3925772-21runrttasks00:06:481
382949499170,4cyclictest3917606-21taskset23:41:591
382949499170,15cyclictest355-21systemd-journal22:50:001
3829490991711,4cyclictest3868335-21cstates21:10:120
382949099171,11cyclictest3837700-21munin-run19:35:000
3829490991710,5cyclictest3910396-21ls23:20:140
382949099170,5cyclictest3873453-21diskstats21:25:120
382949099170,4cyclictest795-21runrttasks21:22:590
382949099170,13cyclictest13236-21gnome-shell19:23:580
382950099169,5cyclictest3926006-21chrt00:09:473
382950099169,5cyclictest3915888-21chrt23:35:273
382950099169,5cyclictest3839060-21taskset19:37:303
382950099169,5cyclictest1-21systemd23:50:013
382950099169,1cyclictest3883013-21/usr/sbin/munin21:55:143
382950099164,2cyclictest38711482awk21:19:593
3829500991612,3cyclictest13649-21gmain22:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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