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2026-02-25 - 12:14
[ 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 #6

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot6s.osadl.org (updated Wed Feb 25, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52982599847,48cyclictest562517-21apt-get22:20:022
52982499806,10cyclictest578837-21apt-get23:55:011
52982499806,10cyclictest578837-21apt-get23:55:011
52982499758,12cyclictest578837-21apt-get23:55:021
529821997164,4cyclictest0-21swapper/022:30:120
52982599701,63cyclictest0-21swapper/220:45:182
529825996736,28cyclictest585879-21munin-plugin-st00:35:002
52982599648,48cyclictest536791-21grep19:45:292
529821996257,3cyclictest14-21rcu_preempt22:30:010
529825995928,25cyclictest0-21swapper/200:30:002
52982599591,49cyclictest534492-21apt-get19:35:132
52982199591,13cyclictest0-21swapper/021:00:200
52982599582,47cyclictest574823-21apt-get23:30:142
529825995821,33cyclictest579667-21grep23:55:282
529825995817,27cyclictest552295-21kworker/u8:0+flush-179:9622:35:052
529825995732,20cyclictest0-21swapper/220:05:292
529824995740,11cyclictest231ktimers/119:50:001
529821995725,27cyclictest0-21swapper/023:10:280
52982599563,45cyclictest561612-21grep22:10:282
52982599563,45cyclictest538726-21/usr/sbin/munin20:00:312
52982599562,47cyclictest578497-21/usr/sbin/munin23:50:252
52982599562,47cyclictest578497-21/usr/sbin/munin23:50:252
52982599562,46cyclictest556645-21apt-get21:45:152
52982599562,46cyclictest540406-21apt-get20:10:152
529825995617,30cyclictest0-21swapper/219:10:222
529824995634,19cyclictest231ktimers/119:15:131
52982599552,44cyclictest575663-21apt-get23:35:152
529825995522,28cyclictest0-21swapper/223:10:282
52982599551,47cyclictest554102-21apt-get21:30:162
52982599551,45cyclictest573214-21/usr/sbin/munin23:20:182
52982599542,44cyclictest553264-21apt-get21:25:112
52982599542,43cyclictest570895-21/usr/sbin/munin23:05:222
52982599542,39cyclictest0-21swapper/200:00:202
52982599541,46cyclictest568277-21memory22:50:262
52982599541,46cyclictest558414-21apt-get21:55:152
52982599541,46cyclictest558414-21apt-get21:55:152
52982599541,46cyclictest552424-21apt-get21:20:162
52982599541,46cyclictest544622-21/usr/sbin/munin20:35:302
52982599541,45cyclictest569427-21users22:55:292
52982599532,43cyclictest569764-21apt-get23:00:132
529825995315,27cyclictest0-21swapper/221:20:022
52982599531,46cyclictest581532-21sshd00:07:332
52982599531,46cyclictest581532-21sshd00:07:332
52982599531,45cyclictest559723-21/usr/sbin/munin22:00:282
52982599531,45cyclictest532817-21/usr/sbin/munin19:25:162
52982599531,45cyclictest532817-21/usr/sbin/munin19:25:152
52982599531,44cyclictest567138-21apt-get22:45:152
52982599531,44cyclictest549884-21apt-get21:05:152
52982599531,44cyclictest545485-21apt-get20:40:152
52982599531,44cyclictest531668-21/usr/sbin/munin19:15:282
52982599531,43cyclictest555786-21latency_hist21:40:012
52982599531,2cyclictest0-21swapper/219:20:222
52982599523,41cyclictest564578-21/usr/sbin/munin22:30:182
52982599522,43cyclictest563724-21/usr/sbin/munin22:25:162
52982599522,43cyclictest549348-21/usr/sbin/munin21:00:272
52982599522,43cyclictest543451-21/usr/sbin/munin20:25:272
52982599521,44cyclictest582589-21/usr/sbin/munin00:15:112
52982599521,44cyclictest547254-21/usr/sbin/munin20:50:092
529821995240,6cyclictest0-21swapper/021:55:270
529821995240,6cyclictest0-21swapper/021:55:270
529821995213,29cyclictest880-21avahi-daemon19:55:000
529821995212,37cyclictest20850irq/208-8000000.ethernet23:55:010
529821995212,37cyclictest20850irq/208-8000000.ethernet23:55:010
52982599516,40cyclictest562823-21/usr/sbin/munin22:20:182
529825995137,10cyclictest538519-21sendmail20:00:012
52982599512,43cyclictest537548-21/usr/sbin/munin19:50:292
52982599512,42cyclictest560670-21/usr/sbin/munin22:05:282
52982599512,42cyclictest560670-21/usr/sbin/munin22:05:282
52982599512,42cyclictest550719-21munin-node21:10:122
52982599511,44cyclictest541457-21/usr/sbin/munin20:15:202
52982599511,43cyclictest581985-21/usr/sbin/munin00:10:232
52982599511,43cyclictest574343-21/usr/sbin/munin23:25:262
52982599511,43cyclictest574343-21/usr/sbin/munin23:25:262
52982599511,43cyclictest566292-21munin-node22:40:112
52982599511,42cyclictest533648-21/usr/sbin/munin19:30:292
52982599511,39cyclictest583654-21/usr/sbin/munin00:20:222
52982599501,42cyclictest548098-21/usr/sbin/munin20:55:162
52982599501,42cyclictest535701-21/usr/sbin/munin19:40:272
52982599501,42cyclictest1660-21snmpd00:37:212
529821995038,8cyclictest0-21swapper/023:05:010
529821995038,8cyclictest0-21swapper/020:00:300
52982599491,42cyclictest577751-21/usr/sbin/munin23:45:252
52982599491,36cyclictest0-21swapper/220:30:132
529824994935,9cyclictest0-21swapper/119:25:001
529821994941,4cyclictest167350irq/118-8000000.ethernet-tx020:50:260
529821994938,8cyclictest543584-21munin-plugin-st20:30:000
52982599482,39cyclictest577099-21grep23:40:292
52982599481,40cyclictest542176-21diskstats20:20:182
52982499489,21cyclictest565146-21apt-get22:35:021
529824994810,4cyclictest558121-21apt-get21:55:021
529824994810,4cyclictest558121-21apt-get21:55:011
529821994840,4cyclictest167350irq/118-8000000.ethernet-tx000:30:020
52982599472,34cyclictest529951-21wc19:10:012
529824994740,4cyclictest274-21systemd-journal21:50:001
529821994740,4cyclictest167350irq/118-8000000.ethernet-tx021:30:180
529821994739,4cyclictest167350irq/118-8000000.ethernet-tx019:40:010
529821994735,8cyclictest0-21swapper/022:50:010
52982599461,40cyclictest572580-21meminfo23:15:232
52982499468,6cyclictest565146-21apt-get22:35:021
529821994639,4cyclictest167350irq/118-8000000.ethernet-tx000:10:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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