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2026-02-21 - 13:06
[ 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 Sat Feb 21, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2724659912700,1267cyclictest4492512sleep33
2724659910520,1047cyclictest558770-21sleep3
272465992820,279cyclictest481422-21turbostat3
272465992820,279cyclictest481422-21turbostat3
36526521110,2sleep2421rcuc/22
272465992421,1cyclictest0-21swapper/33
272465991917,1cyclictest0-21swapper/33
27246599187,8cyclictest661731-21turbostat3
27246599187,8cyclictest661731-21turbostat3
27246599181,13cyclictest655191-21taskset3
4742942171,8sleep1474464-21grep1
27246599176,8cyclictest687415-21turbostat3
272465991714,1cyclictest0-21swapper/33
272465991714,1cyclictest0-21swapper/33
272465991714,1cyclictest0-21swapper/33
27246599166,6cyclictest436190-21turbostat3
272465991613,1cyclictest0-21swapper/33
27246599161,12cyclictest358593-21turbostat3
27246599161,12cyclictest326753-21taskset3
27246599161,11cyclictest423396-21sleep3
27246599161,11cyclictest339609-21taskset3
301798150,5rtkit-daemon636-21snmpd2
272465991513,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991512,1cyclictest0-21swapper/33
272465991511,2cyclictest0-21swapper/33
27246599151,11cyclictest333438-21taskset3
27246599144,7cyclictest371929-21taskset3
272465991413,0cyclictest0-21swapper/33
272465991412,1cyclictest0-21swapper/33
272465991412,1cyclictest0-21swapper/33
272465991412,1cyclictest0-21swapper/33
272465991412,0cyclictest0-21swapper/33
272465991411,1cyclictest0-21swapper/33
272465991411,1cyclictest0-21swapper/33
27246599141,10cyclictest696957-21taskset3
27246599141,10cyclictest680700-21chrt3
27246599141,10cyclictest416936-21turbostat3
27246599140,11cyclictest441740-21taskset3
2720532140,3sleep30-21swapper/33
301798130,8rtkit-daemon589896-21/usr/sbin/munin2
27246599135,6cyclictest570717-21taskset3
27246599135,6cyclictest4754312sleep33
27246599131,9cyclictest610332-21chrt3
27246599131,9cyclictest597496-21taskset3
27246599131,9cyclictest539664-21taskset3
27246599131,9cyclictest526229-21taskset3
27246599131,9cyclictest513146-21taskset3
27246599131,9cyclictest287060-21taskset3
27246599131,8cyclictest5461472sleep33
272465991312,0cyclictest0-21swapper/33
272465991312,0cyclictest0-21swapper/33
272465991312,0cyclictest0-21swapper/33
272465991311,1cyclictest0-21swapper/33
272465991311,1cyclictest0-21swapper/33
272465991311,1cyclictest0-21swapper/33
272465991311,1cyclictest0-21swapper/33
27246599131,10cyclictest352000-21taskset3
272465991311,0cyclictest0-21swapper/33
272465991310,1cyclictest0-21swapper/33
272465991310,1cyclictest0-21swapper/33
27246599130,10cyclictest506736-21chrt3
27246599130,10cyclictest403453-21chrt3
27246599130,10cyclictest364845-21taskset3
27246599130,10cyclictest273888-21taskset3
272465991211,0cyclictest0-21swapper/33
27246599120,9cyclictest635452-21chrt3
27246599120,9cyclictest596916-21taskset3
27246599120,10cyclictest668371-21taskset3
6742362111,7sleep2636-21snmpd2
6116482111,3sleep00-21swapper/00
5082722110,9sleep1508774-21kthreadcore1
301798110,6rtkit-daemon293655-21chrt2
301798110,6rtkit-daemon293655-21chrt2
27246599110,9cyclictest462852-21taskset3
6556112100,8sleep2655681-21tr2
6556112100,8sleep2655681-21tr2
6231872101,5sleep1623220-21apt-get1
5792102101,7sleep00-21swapper/00
5061252100,3sleep1506184-21ntp_states1
4113722100,3sleep2412316-21grep2
3448302101,5sleep2344907-21ntp_states2
301798100,5rtkit-daemon583538-21ntp_states2
301798100,5rtkit-daemon548944-21grep2
301798100,5rtkit-daemon406485-21cut2
301798100,4rtkit-daemon373397-21irqstats2
301798100,3rtkit-daemon636-21snmpd2
2827682100,7sleep0284603-21cut0
2662142100,4sleep0266247-21apt-get0
692889291,5sleep2692947-21ntp_states2
605400290,6sleep0607147-21cut0
596309291,4sleep1596380-21ntp_states1
577082291,5sleep0577142-21ntp_states0
558699296,2sleep0552120-21kworker/0:1+kacpid0
546330291,5sleep1546397-21cut1
545150291,6sleep2545265-21sort2
519236290,5sleep2519295-21ntp_states2
463844290,6sleep0465628-21grep0
365539291,4sleep0365561-21apt-get0
364988290,6sleep1365262-21cat1
358825292,3sleep0358858-21apt-get0
332882291,2sleep1332895-21latency_hist1
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon506693-21chrt2
30179890,5rtkit-daemon319893-21chrt2
30179890,5rtkit-daemon317-21systemd-udevd2
30179890,5rtkit-daemon317-21systemd-udevd2
30179890,1rtkit-daemon0-21swapper/22
30179890,1rtkit-daemon0-21swapper/22
694052281,3sleep1694085-21apt-get1
674860281,4sleep0675013-21df_inode0
597697280,5sleep2597812-21fw_packets2
570655281,4sleep2570711-21ntp_states2
552584280,5sleep2552601-21basename2
507282281,3sleep0507315-21apt-get0
499763281,4sleep0499813-21grep0
480781281,4sleep0481025-21users0
474169281,4sleep0474293-21python30
442873281,3sleep1442906-21apt-get1
410729281,3sleep1410762-21apt-get1
397927281,3sleep0397959-21apt-get0
326768281,1sleep00-21swapper/00
307543281,4sleep0307692-21/usr/sbin/munin0
30179880,5rtkit-daemon3205-21sendmail-mta2
30179880,5rtkit-daemon317-21systemd-udevd2
30179880,4rtkit-daemon667-21lldpd2
30179880,4rtkit-daemon667-21lldpd2
30179880,4rtkit-daemon667-21lldpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon461739-21taskset2
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon430-21avahi-daemon2
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon278983-21munin-node2
30179880,4rtkit-daemon278983-21munin-node2
30179880,4rtkit-daemon0-21swapper/22
30179880,3rtkit-daemon320754-21hddtemp_smartct2
30179880,1rtkit-daemon0-21swapper/22
300853281,3sleep0300886-21apt-get0
700212270,4sleep0700239-21systemctl0
681266270,4sleep1681292-21cpu1
672117270,4sleep1673504-21memory1
630576270,5sleep1631493-21kthreadcore1
597508271,3sleep0597541-21apt-get0
541512270,4sleep1543534-21grep1
540593271,3sleep0541510-21cut0
523212271,3sleep0525346-21cut0
519516271,4sleep1519760-21/usr/sbin/munin1
454521270,1sleep00-21swapper/00
430442270,4sleep2430914-21cut2
416183271,3sleep0416295-21grep0
385111270,4sleep1385263-21df_inode1
346209271,3sleep1346408-21hddtemp_smartct1
333137271,2sleep00-21swapper/00
30179870,4rtkit-daemon667-21lldpd2
30179870,4rtkit-daemon638-21ntpd2
30179870,4rtkit-daemon638-21ntpd2
30179870,4rtkit-daemon636-21snmpd2
30179870,4rtkit-daemon3200908-21packagekitd2
30179870,4rtkit-daemon317-21systemd-udevd2
30179870,4rtkit-daemon278983-21munin-node2
30179870,3rtkit-daemon667256-21ntpq2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon525889-21smartctl2
30179870,3rtkit-daemon378136-21apt-get2
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon297-21systemd-journal2
30179870,3rtkit-daemon278983-21munin-node2
30179870,3rtkit-daemon278983-21munin-node2
294449271,4sleep1294598-21df_inode1
279434273,2sleep1278983-21munin-node1
273072271,3sleep2273887-21sed2
681631263,1sleep00-21swapper/00
670085260,4sleep0672116-21tr0
655980260,1sleep10-21swapper/11
655980260,1sleep10-21swapper/11
654240260,3sleep0654365-21python30
645074261,2sleep00-21swapper/00
617098260,3sleep1617239-21ps1
559200260,1sleep10-21swapper/11
552779261,2sleep10-21swapper/11
533251260,3sleep1533284-21apt-get1
487617260,1sleep00-21swapper/00
487617260,1sleep00-21swapper/00
482849261,3sleep1484011-21grep1
482849261,3sleep1484011-21grep1
481382260,1sleep10-21swapper/11
457134260,4sleep1458479-21kthreadcore1
456148260,3sleep0457133-21irqstats0
448975260,1sleep00-21swapper/00
424605260,4sleep0425563-21grep0
385075261,2sleep00-21swapper/00
377969260,1sleep10-21swapper/11
377864260,1sleep00-21swapper/00
367019260,4sleep1368949-21cut1
345073260,1sleep10-21swapper/11
30179860,3rtkit-daemon638-21ntpd2
30179860,3rtkit-daemon638-21ntpd2
30179860,3rtkit-daemon636-21snmpd2
294413260,2sleep00-21swapper/00
293721260,1sleep10-21swapper/11
293721260,1sleep10-21swapper/11
290588261,2sleep00-21swapper/00
290588261,2sleep00-21swapper/00
278566260,1sleep10-21swapper/11
272814260,3sleep0272878-21fschecks_count0
687846251,2sleep00-21swapper/00
661958250,1sleep00-21swapper/00
661417250,1sleep00-21swapper/00
661417250,1sleep00-21swapper/00
629999250,2sleep00-21swapper/00
616943250,3sleep0617097-21gltestperf0
610520250,2sleep10-21swapper/11
609880250,1sleep10-21swapper/11
596918250,1sleep00-21swapper/00
590562250,3sleep10-21swapper/11
584298250,1sleep10-21swapper/11
571867250,3sleep1572019-21df_inode1
571323250,1sleep00-21swapper/00
526512250,1sleep10-21swapper/11
506905250,1sleep00-21swapper/00
497221251,2sleep10-21swapper/11
490541250,2sleep1287449-21kworker/u16:0+kvfree_rcu_reclaim1
450754251,2sleep10-21swapper/11
442542250,1sleep00-21swapper/00
442241251,3sleep1669-21sshd1
436156250,1sleep10-21swapper/11
431787251,2sleep00-21swapper/00
425564251,2sleep10-21swapper/11
423280250,1sleep00-21swapper/00
417219250,2sleep1417243-21cpu1
410418250,3sleep00-21swapper/00
404771251,2sleep10-21swapper/11
397524250,1sleep00-21swapper/00
384551250,2sleep0384552-21sshd0
347829251,2sleep0346010-21/usr/sbin/munin0
326368250,1sleep00-21swapper/00
320355250,2sleep10-21swapper/11
317098250,2sleep00-21swapper/00
307693250,3sleep1307808-21perl1
662959240,2sleep10-21swapper/11
654872240,3sleep10-21swapper/11
638271240,2sleep10-21swapper/11
623439240,2sleep00-21swapper/00
597544240,1sleep10-21swapper/11
586091241,1sleep0586127-21kthreadcore0
565792240,1sleep10-21swapper/11
561114240,2sleep00-21swapper/00
547546241,1sleep0221rcuc/00
538715240,1sleep00-21swapper/00
519978240,3sleep00-21swapper/00
489341240,1sleep00-21swapper/00
404073240,3sleep10-21swapper/11
392965241,1sleep10-21swapper/11
384015240,1sleep10-21swapper/11
353196240,1sleep10-21swapper/11
352821240,2sleep00-21swapper/00
339566240,3sleep00-21swapper/00
334590240,2sleep1334629-21kthreadcore1
319819240,3sleep10-21swapper/11
266250240,1sleep10-21swapper/11
688012230,1sleep10-21swapper/11
680672230,2sleep10-21swapper/11
647919230,1sleep10-21swapper/11
636049230,1sleep00-21swapper/00
532696230,1sleep00-21swapper/00
531890230,1sleep10-21swapper/11
462370230,1sleep10-21swapper/11
301879230,1sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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