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2026-02-04 - 07:31
[ 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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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 rackeslot8s.osadl.org (updated Wed Feb 04, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67056322100,1sleep10-21swapper/11
575589992118,1cyclictest0-21swapper/33
57558999187,8cyclictest983402-21turbostat3
57558999171,12cyclictest835253-21turbostat3
57558999164,9cyclictest770555-21turbostat3
575589991614,1cyclictest0-21swapper/33
575589991613,1cyclictest0-21swapper/33
575589991613,1cyclictest0-21swapper/33
57558999161,12cyclictest622716-21taskset3
57558999161,11cyclictest970544-21turbostat3
57558999161,11cyclictest809429-21taskset3
57558999161,11cyclictest575798-21taskset3
57558999154,8cyclictest8549482sleep33
57558999151,9cyclictest9579782sleep33
575589991513,1cyclictest0-21swapper/33
575589991513,1cyclictest0-21swapper/33
575589991513,1cyclictest0-21swapper/33
575589991513,0cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
575589991512,1cyclictest0-21swapper/33
57558999151,11cyclictest642583-21chrt3
57558999151,10cyclictest660497-21taskset3
6807172140,4sleep2680779-21/usr/sbin/munin2
575589991413,0cyclictest0-21swapper/33
575589991412,1cyclictest0-21swapper/33
575589991412,1cyclictest0-21swapper/33
575589991412,0cyclictest0-21swapper/33
575589991411,1cyclictest0-21swapper/33
575589991411,1cyclictest0-21swapper/33
575589991411,1cyclictest0-21swapper/33
575589991411,1cyclictest0-21swapper/33
57558999141,10cyclictest945320-21taskset3
57558999141,10cyclictest941469-21taskset3
57558999141,10cyclictest938122-21taskset3
57558999141,10cyclictest880332-21chrt3
57558999141,10cyclictest874088-21turbostat3
57558999141,10cyclictest795984-21taskset3
57558999141,10cyclictest732485-21taskset3
57558999141,10cyclictest693274-21taskset3
57558999141,10cyclictest667663-21turbostat3
57558999141,10cyclictest667663-21turbostat3
301798140,4rtkit-daemon815724-21apt-get2
57558999131,9cyclictest976191-21taskset3
57558999131,9cyclictest913035-21taskset3
57558999131,9cyclictest886677-21taskset3
57558999131,9cyclictest718850-21taskset3
57558999131,9cyclictest707492-21chrt3
57558999131,9cyclictest680780-21taskset3
57558999131,8cyclictest6742662sleep33
575589991311,1cyclictest0-21swapper/33
57558999131,10cyclictest815573-21taskset3
57558999131,10cyclictest725826-21taskset3
575589991311,0cyclictest0-21swapper/33
575589991311,0cyclictest0-21swapper/33
575589991311,0cyclictest0-21swapper/33
57558999130,10cyclictest899133-21taskset3
57558999130,10cyclictest854004-21chrt3
57558999130,10cyclictest854004-21chrt3
57558999130,10cyclictest603052-21taskset3
57558999129,1cyclictest0-21swapper/33
57558999121,9cyclictest745340-21taskset3
57558999120,9cyclictest996116-21chrt3
57558999120,9cyclictest783834-21taskset3
57558999120,9cyclictest6678982sleep33
5703412123,6sleep0571513-21tr0
301798120,7rtkit-daemon925909-21apt-get1
9655942115,3sleep2966720-21grep2
7594482111,3sleep10-21swapper/11
5843942110,1sleep11738182-21kworker/1:2+mm_percpu_wq1
8471222101,6sleep1841904-21/usr/sbin/munin1
7915042100,7sleep0793262-21tr0
301798100,6rtkit-daemon795972-21taskset2
301798100,5rtkit-daemon900001-21apt-get1
301798100,5rtkit-daemon679218-21kthreadcore2
301798100,5rtkit-daemon666773-21ntp_states2
301798100,5rtkit-daemon666773-21ntp_states2
301798100,3rtkit-daemon667-21lldpd2
301798100,3rtkit-daemon636-21snmpd2
301798100,3rtkit-daemon3200908-21packagekitd2
822694290,6sleep0822703-21grep0
771203291,5sleep2771410-21sed2
764393290,7sleep2636-21snmpd2
737641296,1sleep2421rcuc/22
693772291,4sleep0693805-21apt-get0
628229291,5sleep1628351-21sensors_temp1
569350290,5sleep30-21swapper/33
30179890,6rtkit-daemon492-21gmain2
30179890,6rtkit-daemon492-21gmain2
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon0-21swapper/22
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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