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2026-02-22 - 20:30
[ 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 #4, 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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot6s.osadl.org (updated Sun Feb 22, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2404424640,5sleep024045-21cpu07:05:100
695922650,2sleep06958-21grep10:10:110
1516222470,3sleep015163-21ntpq08:35:240
2413321810,5chrt24132-21sort09:10:190
171721450,3sleep01715-21wc09:50:020
334321250,3chrt3345-21sshd07:50:160
977121220,4chrt9766-21missed_timers10:20:200
572421200,3chrt5722-21df10:05:130
1933621170,4chrt19333-21users08:50:310
966221120,4sleep09666-21ntp_states12:25:220
2574921090,3chrt25750-21cat09:15:280
1309321060,3chrt13096-21modprobe12:40:000
619321040,3sleep06257-21mailstats08:00:260
178521030,3sleep01832-21grep09:50:120
176252990,3sleep017629-21latency08:45:180
223922970,2sleep022391-21wc11:10:010
57442930,3sleep05770-21ntpq12:10:210
310022920,4sleep031079-21cat07:30:280
120052890,4sleep012051-21latency_hist10:30:010
86322885,9sleep08649-21ntp_states08:10:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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