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2026-01-22 - 14:56
[ 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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  Phytec
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 20 highest latencies:
System rackbslot5s.osadl.org (updated Thu Jan 22, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2312712996223,8cyclictest131rcu_preempt12:20:141
2312712995116,7cyclictest131rcu_preempt09:20:111
2312707995129,18cyclictest0-21swapper/007:45:250
2312715995040,7cyclictest2397445-21grep11:20:242
2312720994838,7cyclictest2350613-21grep08:55:253
2312720994638,6cyclictest2318586-21cron07:25:013
2312720994638,6cyclictest2318586-21cron07:25:003
2312712994639,5cyclictest2366564-21kworker/u8:2+events_unbound10:05:351
2312712994635,7cyclictest2400045-21cut11:30:161
2312720994521,20cyclictest2324116-21tune2fs07:40:153
2312712994537,4cyclictest0-21swapper/107:45:001
2312720994434,7cyclictest2412028-21fschecks_time12:05:153
2312720994434,5cyclictest0-21swapper/309:05:163
2312712994436,5cyclictest2333870-21kworker/u8:0+events_unbound08:15:191
2312707994437,4cyclictest2354508-21munin-plugin-st09:10:000
2312720994235,4cyclictest2330542-21sh08:00:013
2312720994234,4cyclictest2370765-21sendmail10:00:003
231272099421,9cyclictest2343568-21/usr/sbin/munin08:35:243
2312712994231,6cyclictest2399638-21idleruntime-cro11:30:001
2312720994133,4cyclictest0-21swapper/310:45:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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