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2026-01-18 - 23:10
[ 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 #8

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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  Congatec
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 792 highest latencies:
System rackeslot8s.osadl.org (updated Sun Jan 18, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4365769912650,1262cyclictest7044062sleep33
4365769911191,1114cyclictest7367812sleep33
5694872250,2sleep1321rcuc/11
5694872250,2sleep1321rcuc/11
43657699177,7cyclictest834060-21turbostat3
43657699177,7cyclictest8019282sleep33
436576991714,1cyclictest0-21swapper/33
436576991714,1cyclictest0-21swapper/33
436576991714,1cyclictest0-21swapper/33
43657699166,7cyclictest4995742sleep33
43657699165,7cyclictest7565962sleep33
436576991613,1cyclictest0-21swapper/33
436576991613,1cyclictest0-21swapper/33
5358752151,4sleep2536082-21sed2
4712362151,11sleep0471380-21grep0
4416082151,3sleep2442016-21tail2
436576991512,1cyclictest0-21swapper/33
436576991512,1cyclictest0-21swapper/33
436576991512,1cyclictest0-21swapper/33
43657699151,11cyclictest723713-21turbostat3
43657699151,10cyclictest818442-21taskset3
43657699151,10cyclictest787601-21taskset3
43657699151,10cyclictest659053-21taskset3
43657699144,8cyclictest743210-21turbostat3
43657699144,6cyclictest0-21swapper/33
436576991413,0cyclictest0-21swapper/33
436576991413,0cyclictest0-21swapper/33
436576991413,0cyclictest0-21swapper/33
436576991412,1cyclictest0-21swapper/33
436576991412,1cyclictest0-21swapper/33
436576991412,0cyclictest0-21swapper/33
436576991412,0cyclictest0-21swapper/33
436576991411,1cyclictest0-21swapper/33
436576991411,1cyclictest0-21swapper/33
436576991411,1cyclictest0-21swapper/33
436576991411,1cyclictest0-21swapper/33
436576991411,1cyclictest0-21swapper/33
43657699141,10cyclictest672641-21taskset3
43657699141,10cyclictest484018-21taskset3
5698332132,7sleep0569866-21apt-get0
55641321310,1sleep0530076-21kworker/0:0+kacpid0
43657699134,7cyclictest827416-21taskset3
43657699133,8cyclictest556484-21turbostat3
43657699132,8cyclictest671982-21chrt3
43657699131,9cyclictest781398-21taskset3
43657699131,9cyclictest626778-21taskset3
43657699131,9cyclictest601949-21taskset3
43657699131,9cyclictest556097-21taskset3
43657699131,9cyclictest491016-21taskset3
43657699131,9cyclictest458210-21chrt3
436576991312,0cyclictest0-21swapper/33
436576991312,0cyclictest0-21swapper/33
436576991312,0cyclictest0-21swapper/33
436576991311,1cyclictest0-21swapper/33
436576991311,1cyclictest0-21swapper/33
436576991311,1cyclictest0-21swapper/33
436576991311,1cyclictest0-21swapper/33
436576991311,1cyclictest0-21swapper/33
436576991310,1cyclictest0-21swapper/33
436576991310,1cyclictest0-21swapper/33
436576991310,1cyclictest0-21swapper/33
436576991310,1cyclictest0-21swapper/33
436576991310,1cyclictest0-21swapper/33
43657699130,9cyclictest8342932sleep33
43657699130,10cyclictest769531-21taskset3
43657699130,10cyclictest756033-21taskset3
43657699130,10cyclictest711274-21taskset3
43657699130,10cyclictest484649-21taskset3
7543362121,8sleep2755304-21memory2
43657699121,9cyclictest588728-21taskset3
43657699121,9cyclictest582228-21taskset3
43657699121,8cyclictest685451-21taskset3
43657699120,9cyclictest524201-21taskset3
43657699120,10cyclictest595527-21taskset3
43657699120,10cyclictest504494-21taskset3
4356092120,1sleep1435731-21/usr/sbin/munin1
6599122110,5sleep2659734-21/usr/sbin/munin2
5763082111,7sleep1576436-21tr1
301798110,6rtkit-daemon845975-21chrt2
6597332101,6sleep0659766-21apt-get0
301798100,7rtkit-daemon667-21lldpd2
301798100,6rtkit-daemon636-21snmpd2
301798100,5rtkit-daemon820921-21apt-get2
301798100,5rtkit-daemon703595-21open_inodes1
301798100,4rtkit-daemon636-21snmpd2
301798100,4rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon636-21snmpd2
801892291,4sleep2801925-21apt-get2
768273291,5sleep1768332-21ntp_states1
711083291,4sleep1711115-21apt-get1
685415291,4sleep2685448-21apt-get2
601958291,4sleep0601991-21apt-get0
557063290,1sleep0557271-21irqcore0
490772291,5sleep0490816-21munin-run0
457955291,5sleep1458162-21cat1
435732291,4sleep2435871-21sed2
430307291,4sleep30-21swapper/33
30179890,6rtkit-daemon636-21snmpd1
30179890,5rtkit-daemon744064-21gltestperf1
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,4rtkit-daemon780347-21tr2
30179890,4rtkit-daemon757603-21sed2
30179890,4rtkit-daemon597776-21grep2
30179890,4rtkit-daemon569316-21cron2
30179890,4rtkit-daemon569316-21cron2
30179890,4rtkit-daemon448-21wpa_supplicant2
30179890,3rtkit-daemon638-21ntpd2
30179890,2rtkit-daemon636-21snmpd2
840710281,3sleep1840743-21apt-get1
819868280,5sleep0820019-21ntpq0
800720280,4sleep2800791-21ntp_states2
756632281,4sleep0756787-21diskstats0
745706281,4sleep2747811-21grep2
724253280,5sleep0724346-21cpuspeed_turbos0
708879281,4sleep0709792-21memory0
672833281,4sleep1672606-21/usr/sbin/munin1
640809281,4sleep0640971-21/usr/sbin/munin0
569313283,2sleep00-21swapper/00
569313283,2sleep00-21swapper/00
550667282,3sleep2551631-21cut2
539585280,2sleep20-21swapper/22
489949281,5sleep1490075-21sh1
479075280,6sleep2480760-21tr2
30179880,5rtkit-daemon3205-21sendmail-mta2
30179880,5rtkit-daemon317-21systemd-udevd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon492-21gmain1
30179880,4rtkit-daemon492-21gmain1
30179880,4rtkit-daemon492-21gmain1
30179880,4rtkit-daemon486149-21kthreadcore2
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon447-21systemd-logind1
30179880,4rtkit-daemon443096-21munin-node2
30179880,4rtkit-daemon443096-21munin-node2
30179880,4rtkit-daemon443096-21munin-node2
30179880,4rtkit-daemon443096-21munin-node2
30179880,4rtkit-daemon443096-21munin-node2
30179880,4rtkit-daemon443096-21munin-node1
30179880,4rtkit-daemon443096-21munin-node1
30179880,4rtkit-daemon443096-21munin-node1
30179880,4rtkit-daemon443096-21munin-node1
30179880,4rtkit-daemon443096-21munin-node1
30179880,4rtkit-daemon2904-21cron2
30179880,3rtkit-daemon499572-21irqstats2
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/11
835721271,3sleep0836920-21tr0
833223270,4sleep0833348-21python30
787757270,4sleep1787863-21sed1
777128271,3sleep10-21swapper/11
773439271,3sleep0774596-21memory0
749350271,4sleep0749536-21users0
723696271,4sleep0724004-21gpg-connect-age0
704410270,4sleep2704431-21munin-run2
684311270,1sleep00-21swapper/00
622707270,4sleep1624556-21tr1
614868270,4sleep0614929-21grep0
588513271,4sleep0636-21snmpd0
556715272,2sleep1556747-21apt-get1
553726270,4sleep0554799-21memory0
477617271,3sleep0477650-21apt-get0
446094270,4sleep1447048-21cut1
438194271,3sleep0439442-21cut0
431292271,3sleep00-21swapper/00
30179870,4rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon816175-21irqstats2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon492-21gmain2
30179870,3rtkit-daemon443096-21munin-node2
30179870,3rtkit-daemon443096-21munin-node1
30179870,3rtkit-daemon3205-21sendmail-mta2
833875260,3sleep172-21kcompactd01
808723260,4sleep0808817-21irqcore0
795043260,3sleep0794975-21apt-get0
788524261,2sleep00-21swapper/00
776304261,3sleep0777124-21irqrtprio0
751140260,4sleep0752216-21kthreadcore0
737075260,3sleep0737157-21expr0
733394261,2sleep20-21swapper/22
730634261,2sleep0730667-21apt-get0
698289260,3sleep0698441-21df_inode0
691816261,2sleep0691849-21apt-get0
675001260,3sleep0677156-21cut0
673018260,3sleep2673770-21sed2
652938260,1sleep00-21swapper/00
621242261,2sleep0621274-21apt-get0
614930260,1sleep10-21swapper/11
610958260,3sleep0613113-21kthreadcore0
594590260,3sleep0594719-21sed0
538270260,3sleep1539584-21grep1
510630261,3sleep0636-21snmpd0
505118261,2sleep10-21swapper/11
503925260,1sleep00-21swapper/00
470161260,4sleep0470395-21grep0
459073260,4sleep0460051-21kthreadcore0
445758261,2sleep00-21swapper/00
846845250,1sleep00-21swapper/00
827526250,1sleep00-21swapper/00
820777250,1sleep10-21swapper/11
807765250,1sleep10-21swapper/11
804413251,2sleep00-21swapper/00
794890250,1sleep00-21swapper/00
788660250,3sleep10-21swapper/11
769446250,1sleep10-21swapper/11
743030250,1sleep20-21swapper/22
717010250,1sleep00-21swapper/00
694040251,2sleep20-21swapper/22
690781250,3sleep0690891-21switchtime0
667686250,3sleep0669608-21kthreadcore0
654751250,3sleep0656346-21cat0
652842250,1sleep20-21swapper/22
641960250,2sleep2643637-21ps2
633522250,1sleep00-21swapper/00
603416251,2sleep10-21swapper/11
601614250,1sleep00-21swapper/00
600861250,3sleep10-21swapper/11
589151250,2sleep1589184-21apt-get1
588653250,1sleep10-21swapper/11
576272250,2sleep0576305-21apt-get0
545976250,3sleep1548162-21kthreadcore1
544706251,2sleep00-21swapper/00
536816250,2sleep00-21swapper/00
524403250,3sleep0524543-21irqcore0
516937250,1sleep10-21swapper/11
503599250,3sleep1503845-21unixbench_singl1
491222250,1sleep10-21swapper/11
477322250,1sleep10-21swapper/11
465535251,2sleep10-21swapper/11
460055250,3sleep10-21swapper/11
439444250,2sleep10-21swapper/11
836922240,2sleep10-21swapper/11
800557240,3sleep10-21swapper/11
763000240,3sleep00-21swapper/00
720743240,2sleep20-21swapper/22
712573240,2sleep20-21swapper/22
705650240,2sleep2706161-21kthreadcore2
672201240,2sleep2672202-21sshd2
575717240,3sleep10-21swapper/11
556110240,1sleep10-21swapper/11
532660240,2sleep00-21swapper/00
519109240,1sleep10-21swapper/11
512376240,2sleep00-21swapper/00
491065240,3sleep00-21swapper/00
484375240,3sleep00-21swapper/00
457761240,3sleep00-21swapper/00
821092230,1sleep10-21swapper/11
813565230,1sleep10-21swapper/11
756504230,1sleep10-21swapper/11
724419230,1sleep20-21swapper/22
684927230,2sleep20-21swapper/22
653038230,1sleep20-21swapper/22
637713230,1sleep20-21swapper/22
634101230,1sleep00-21swapper/00
608623230,1sleep10-21swapper/11
549686230,1sleep10-21swapper/11
530609230,1sleep10-21swapper/11
529247230,1sleep10-21swapper/11
517156230,1sleep00-21swapper/00
497507230,1sleep10-21swapper/11
495186230,1sleep00-21swapper/00
484026231,1sleep10-21swapper/11
482859230,1sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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