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2026-02-22 - 15:41
[ 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 #b, slot #5

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot5s.osadl.org (updated Sun Feb 22, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
595090996653,10cyclictest593018-21kworker/u8:2+events_unbound07:10:133
595082995524,5cyclictest0-21swapper/109:25:151
595090995140,7cyclictest617869-21grep08:10:253
595086994842,4cyclictest690354-21kworker/u8:1+events_unbound12:10:572
595086994841,5cyclictest671694-21kworker/u8:0+events_unbound11:00:482
595090994736,7cyclictest616145-21grep08:05:273
595078994533,9cyclictest121ktimers/010:15:120
595086994234,4cyclictest625316-21cron08:35:002
595082994233,5cyclictest702937-21cron12:20:001
595078994235,4cyclictest668321-21idleruntime-cro10:40:010
595086994128,9cyclictest697400-21auditctl12:05:002
595082994134,4cyclictest625336-21munin-plugin-st08:35:011
595082994128,9cyclictest652296-21grep09:50:251
595090994033,4cyclictest602045-21unixbench_singl07:25:273
595090994033,4cyclictest602045-21unixbench_singl07:25:273
595090994031,5cyclictest688829-21cron11:40:003
595086994033,5cyclictest675678-21kworker/u8:1+events_unbound11:35:532
595086994031,6cyclictest607605-21apt-get07:45:012
595078994031,5cyclictest616565-21idleruntime-cro08:10:010
595090993928,7cyclictest630065-21grep08:45:273
595086993912,13cyclictest131rcu_preempt11:20:142
595086993912,13cyclictest131rcu_preempt11:20:142
595082993930,6cyclictest683719-21apt11:25:001
595082993930,6cyclictest683719-21apt11:25:001
595082993930,6cyclictest667822-21grep10:35:251
595078993931,4cyclictest628494-21kworker/u8:0-rpciod09:00:240
595078993931,4cyclictest628494-21kworker/u8:0-rpciod09:00:240
595078993931,4cyclictest0-21swapper/007:50:000
595078993931,4cyclictest0-21swapper/007:50:000
595086993830,6cyclictest311ktimers/207:50:122
595086993830,6cyclictest311ktimers/207:50:122
59507899381,4cyclictest0-21swapper/008:20:120
595090993726,7cyclictest0-21swapper/312:20:273
595086993728,4cyclictest0-21swapper/210:00:012
595086993727,6cyclictest0-21swapper/210:45:002
595086993725,7cyclictest678106-21grep11:05:232
595086993712,6cyclictest131rcu_preempt08:55:122
595090993627,6cyclictest613602-21fschecks_time08:00:173
595086993629,4cyclictest0-21swapper/211:40:262
595086993610,13cyclictest32-21ksoftirqd/208:05:162
595082993629,4cyclictest0-21swapper/111:39:591
595078993629,3cyclictest0-21swapper/008:49:590
595078993627,5cyclictest682003-21munin-plugin-st11:20:000
59509099355,5cyclictest131rcu_preempt10:25:133
595090993529,4cyclictest593018-21kworker/u8:2+events_unbound07:15:083
595090993529,4cyclictest593018-21kworker/u8:2+events_unbound07:15:083
59508699355,13cyclictest32-21ksoftirqd/210:15:102
595086993528,5cyclictest663198-21kworker/u8:2+events_unbound10:25:452
595086993528,5cyclictest624954-21kworker/u8:2+events_unbound08:44:412
595086993525,7cyclictest693534-21grep11:50:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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