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2026-02-25 - 06:22
[ 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 376 highest latencies:
System rackeslot8s.osadl.org (updated Wed Feb 25, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3413639914320,1428cyclictest4217962sleep33
3413639912360,1233cyclictest6272942sleep33
341363992650,262cyclictest485904-21turbostat3
34136399176,7cyclictest678532-21turbostat3
341363991613,1cyclictest0-21swapper/33
341363991613,1cyclictest0-21swapper/33
341363991613,1cyclictest0-21swapper/33
34136399156,7cyclictest356565-21turbostat3
34136399156,6cyclictest562898-21turbostat3
34136399154,7cyclictest511621-21turbostat3
341363991513,0cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
341363991512,1cyclictest0-21swapper/33
34136399151,11cyclictest582109-21chrt3
34136399151,11cyclictest544083-21taskset3
34136399151,10cyclictest441087-21taskset3
34136399150,11cyclictest395369-21turbostat3
7318202140,4sleep2733032-21cut2
4801722140,7sleep1481053-21sed1
34136399141,9cyclictest447503-21taskset3
341363991413,0cyclictest0-21swapper/33
341363991413,0cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,1cyclictest0-21swapper/33
341363991412,0cyclictest0-21swapper/33
341363991411,1cyclictest0-21swapper/33
341363991411,1cyclictest0-21swapper/33
341363991411,1cyclictest0-21swapper/33
341363991411,1cyclictest0-21swapper/33
341363991411,1cyclictest0-21swapper/33
34136399141,10cyclictest633724-21turbostat3
34136399141,10cyclictest569790-21taskset3
34136399141,10cyclictest524955-21taskset3
34136399141,10cyclictest513608-21chrt3
34136399140,11cyclictest665976-21taskset3
34136399140,11cyclictest453845-21chrt3
4732592130,8sleep0472839-21apt-get0
34136399134,7cyclictest723262-21taskset3
34136399131,9cyclictest762747-21taskset3
34136399131,9cyclictest7044022sleep33
34136399131,9cyclictest690983-21taskset3
34136399131,9cyclictest684082-21taskset3
34136399131,9cyclictest594894-21taskset3
34136399131,9cyclictest541516-21taskset3
34136399131,9cyclictest388948-21chrt3
341363991312,0cyclictest0-21swapper/33
341363991312,0cyclictest0-21swapper/33
341363991311,1cyclictest0-21swapper/33
341363991311,1cyclictest0-21swapper/33
341363991311,1cyclictest0-21swapper/33
34136399131,10cyclictest601340-21taskset3
34136399131,10cyclictest504935-21chrt3
341363991310,1cyclictest0-21swapper/33
341363991310,1cyclictest0-21swapper/33
341363991310,1cyclictest0-21swapper/33
34136399130,10cyclictest730353-21taskset3
34136399130,10cyclictest582982-21chrt3
34136399130,10cyclictest524042-21taskset3
6595842121,8sleep2659710-21grep2
34136399121,9cyclictest743146-21taskset3
34136399121,9cyclictest569029-21taskset3
34136399121,8cyclictest661555-21taskset3
34136399121,8cyclictest395859-21chrt3
34136399120,10cyclictest608324-21taskset3
3351072121,7sleep30-21swapper/33
301798120,7rtkit-daemon531508-21sed1
5894422110,8sleep1589738-21cut1
3349782110,3sleep2334615-21apt-get2
301798110,6rtkit-daemon494031-21irqstats2
301798110,5rtkit-daemon600795-21ntp_states1
301798110,4rtkit-daemon492-21gmain1
301798110,4rtkit-daemon3200908-21packagekitd2
301798110,3rtkit-daemon636-21snmpd1
6403582101,5sleep1640391-21apt-get1
4087002102,4sleep0408733-21apt-get0
3959082101,5sleep2396064-21diskstats2
301798100,6rtkit-daemon347953-21munin-node1
301798100,6rtkit-daemon317-21systemd-udevd2
301798100,5rtkit-daemon563343-21df_inode1
301798100,4rtkit-daemon347953-21munin-node1
301798100,3rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon347953-21munin-node1
301798100,3rtkit-daemon347953-21munin-node1
301798100,1rtkit-daemon0-21swapper/22
749010290,6sleep2749249-21grep2
705696291,5sleep0706828-21cut0
686165290,1sleep2687174-21cut2
638977291,5sleep0639132-21head0
638977291,5sleep0639132-21head0
607183291,4sleep2607242-21ntp_states2
583399293,3sleep0584293-21grep0
518002291,5sleep1518046-21munin-run1
447660291,4sleep0447824-21head0
30179890,5rtkit-daemon448-21wpa_supplicant2
30179890,5rtkit-daemon447-21systemd-logind1
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon3205-21sendmail-mta1
30179890,4rtkit-daemon730368-21/usr/sbin/munin1
30179890,4rtkit-daemon486346-21df2
30179890,4rtkit-daemon403585-21cut2
763524284,2sleep0764437-21kthreadcore0
748821281,4sleep0748904-21wc0
665988281,4sleep0666021-21apt-get0
646994280,6sleep0647186-21basename0
645617281,4sleep2645678-21ntp_states2
594354281,4sleep2594410-21ntp_states2
543635281,4sleep2543865-21latency_hist2
531426281,4sleep0532164-21cut0
517086280,5sleep2517159-21/usr/sbin/munin2
510669281,5sleep2510740-21ntp_states2
474406280,5sleep1475589-21kthreadcore1
441410280,2sleep1441528-21ps1
441062281,3sleep2441084-21apt-get2
433681280,5sleep2433818-21timerandwakeup2
404590281,4sleep1406712-21grep1
395871281,4sleep0395902-21apt0
370285280,5sleep0370684-21sed0
30179880,5rtkit-daemon492-21gmain2
30179880,5rtkit-daemon3205-21sendmail-mta2
30179880,5rtkit-daemon3205-21sendmail-mta2
30179880,5rtkit-daemon3205-21sendmail-mta1
30179880,4rtkit-daemon667-21lldpd1
30179880,4rtkit-daemon667-21lldpd1
30179880,4rtkit-daemon667-21lldpd1
30179880,4rtkit-daemon638-21ntpd2
30179880,4rtkit-daemon638-21ntpd1
30179880,4rtkit-daemon638-21ntpd1
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon504336-21sshd1
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon448-21wpa_supplicant1
30179880,4rtkit-daemon347953-21munin-node2
30179880,4rtkit-daemon347953-21munin-node1
30179880,4rtkit-daemon347953-21munin-node1
30179880,4rtkit-daemon347953-21munin-node1
30179880,4rtkit-daemon347953-21munin-node1
30179880,4rtkit-daemon3200908-21packagekitd1
30179880,4rtkit-daemon317-21systemd-udevd2
30179880,4rtkit-daemon2904-21cron1
30179880,4rtkit-daemon2904-21cron1
30179880,4rtkit-daemon2904-21cron1
30179880,4rtkit-daemon2904-21cron1
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
692580270,5sleep2693619-21kthreadcore2
689272270,4sleep0690285-21memory0
684010271,3sleep2684081-21ntp_states2
659111270,1sleep00-21swapper/00
645220270,4sleep0645482-21memory0
627298271,3sleep2627330-21basename2
614451271,4sleep00-21swapper/00
602096270,4sleep0602296-21hddtemp_smartct0
564646270,4sleep0566602-21grep0
519709272,3sleep0520942-21tr0
492577270,3sleep0492609-21apt-get0
403435271,3sleep0221rcuc/00
369367270,4sleep1369795-21date1
337291271,3sleep1339394-21cut1
30179870,4rtkit-daemon636-21snmpd1
30179870,4rtkit-daemon430-21avahi-daemon1
30179870,4rtkit-daemon347953-21munin-node1
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon636-21snmpd1
30179870,3rtkit-daemon347953-21munin-node1
30179870,1rtkit-daemon0-21swapper/11
752169260,4sleep2754277-21grep2
741437261,2sleep20-21swapper/22
736523260,3sleep0736542-21apt-get0
716631260,1sleep00-21swapper/00
678211260,1sleep00-21swapper/00
653159260,4sleep20-21swapper/22
634002261,3sleep2634154-21df_inode2
634002261,3sleep2634154-21df_inode2
627903261,2sleep2628034-21irqcore2
614400260,1sleep20-21swapper/22
588039260,3sleep2588151-21find2
582329260,3sleep0582448-21cat0
569288260,3sleep2569296-21apt-get2
556738260,2sleep2556771-21apt-get2
543888260,4sleep0543921-21apt-get0
543437260,1sleep00-21swapper/00
505078260,1sleep00-21swapper/00
469514261,2sleep00-21swapper/00
466366260,1sleep00-21swapper/00
466366260,1sleep00-21swapper/00
460484260,3sleep1460623-21grep1
460484260,3sleep1460623-21grep1
459904260,1sleep00-21swapper/00
436116261,2sleep10-21swapper/11
435137260,3sleep0436115-21irqstats0
434014260,1sleep00-21swapper/00
421292260,3sleep1421306-21munin-run1
410154260,3sleep1411494-21kthreadcore1
393726261,3sleep0301871-21kworker/0:2+events0
389218261,2sleep10-21swapper/11
388936260,1sleep10-21swapper/11
369293260,1sleep00-21swapper/00
358268261,2sleep10-21swapper/11
350563260,4sleep0350666-21cut0
336106261,2sleep00-21swapper/00
768724250,1sleep20-21swapper/22
762239250,1sleep00-21swapper/00
762156250,1sleep20-21swapper/22
749914250,2sleep00-21swapper/00
736342250,1sleep00-21swapper/00
728774250,2sleep00-21swapper/00
723205250,1sleep00-21swapper/00
711214251,2sleep20-21swapper/22
704654251,2sleep20-21swapper/22
665656250,1sleep00-21swapper/00
652845250,1sleep20-21swapper/22
629048250,3sleep0630897-21kthreadcore0
626981250,1sleep00-21swapper/00
614724250,1sleep00-21swapper/00
594951250,1sleep00-21swapper/00
570083251,2sleep00-21swapper/00
563548250,3sleep2563713-21sed2
562047251,2sleep0221rcuc/00
556310250,1sleep20-21swapper/22
556298250,1sleep00-21swapper/00
543973250,3sleep2544082-21/usr/sbin/munin2
533365251,2sleep20-21swapper/22
530601250,3sleep20-21swapper/22
511408250,1sleep00-21swapper/00
504991250,1sleep20-21swapper/22
486164250,2sleep1486197-21apt-get1
459783250,1sleep10-21swapper/11
453603250,2sleep1453639-21systemd-run1
427974250,1sleep10-21swapper/11
417923250,3sleep0418279-21kthreadcore0
396469250,3sleep1397363-21kthreadcore1
377327251,2sleep00-21swapper/00
347650250,1sleep00-21swapper/00
30179850,1rtkit-daemon0-21swapper/22
30179850,1rtkit-daemon0-21swapper/11
725169240,2sleep2725204-21kthreadcore2
723457240,1sleep20-21swapper/22
699445240,2sleep0701161-21kthreadcore0
620837240,3sleep20-21swapper/22
595993240,2sleep2596992-21kernelversion2
582108240,1sleep20-21swapper/22
524651240,1sleep00-21swapper/00
524317240,3sleep20-21swapper/22
492304240,3sleep00-21swapper/00
485623240,3sleep00-21swapper/00
472546240,3sleep10-21swapper/11
441245240,2sleep00-21swapper/00
382457240,3sleep10-21swapper/11
369921241,1sleep10-21swapper/11
356815240,1sleep0356847-21apt-get0
355323240,2sleep1355605-21strings1
704078230,1sleep20-21swapper/22
695709230,1sleep00-21swapper/00
682085230,1sleep00-21swapper/00
677822230,1sleep20-21swapper/22
666172230,1sleep20-21swapper/22
600874230,1sleep00-21swapper/00
511867230,1sleep00-21swapper/00
430359230,1sleep10-21swapper/11
422114230,1sleep00-21swapper/00
385340230,1sleep00-21swapper/00
341552230,1sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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