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2026-03-06 - 02:16
[ 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 #1

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 rack4slot1s.osadl.org (updated Fri Mar 06, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2310321370,3sleep30-21swapper/320:56:353
2310321370,3sleep30-21swapper/320:56:353
2310321370,3sleep30-21swapper/320:56:353
3062021030,8sleep0171ktimers/021:16:340
3062021030,8sleep0171ktimers/021:16:340
3062021030,8sleep0171ktimers/021:16:340
25272950,3sleep02126-21/usr/sbin/munin20:01:330
25272950,3sleep02126-21/usr/sbin/munin20:01:330
20062810,3sleep20-21swapper/220:01:232
20062810,3sleep20-21swapper/220:01:232
300022800,2chrt0-21swapper/321:16:213
300022800,2chrt0-21swapper/321:16:213
216132670,2sleep30-21swapper/323:46:323
216132670,2sleep30-21swapper/323:46:323
228242660,2chrt0-21swapper/022:21:380
228242660,2chrt0-21swapper/022:21:380
195362640,2chrt19540-21latency20:46:361
195362640,2chrt19540-21latency20:46:361
5622580,2chrt0-21swapper/122:50:101
5622580,2chrt0-21swapper/122:50:101
284422530,3sleep00-21swapper/000:02:000
126752530,3sleep00-21swapper/023:21:360
126752530,3sleep00-21swapper/023:21:360
324552520,3sleep30-21swapper/319:56:213
324552520,3sleep30-21swapper/319:56:213
258702520,2sleep125908-21ntp_states19:36:381
258702520,2sleep125908-21ntp_states19:36:381
322562440,3sleep00-21swapper/022:46:390
322562440,3sleep00-21swapper/022:46:390
143092430,2chrt14311-21cat20:31:440
143092430,2chrt14311-21cat20:31:440
300882420,2sleep10-21swapper/122:41:341
284632400,2sleep126949-40mandb00:02:181
245272370,4sleep20-21swapper/221:01:282
245272370,4sleep20-21swapper/221:01:282
245272370,4sleep20-21swapper/221:01:282
15829993729,6cyclictest23508-21entropy23:51:330
15829993729,6cyclictest23508-21entropy23:51:330
1583399362,26cyclictest27041-21chrt00:01:262
1583399362,26cyclictest27041-21chrt00:01:262
1583399362,26cyclictest27041-21chrt00:01:262
15832993527,6cyclictest13437-21needreboot21:56:401
15832993527,6cyclictest13437-21needreboot21:56:401
15832993527,6cyclictest13437-21needreboot21:56:401
15829993530,3cyclictest0-21swapper/000:01:270
15829993530,3cyclictest0-21swapper/000:01:270
15829993530,3cyclictest0-21swapper/000:01:270
15832993428,4cyclictest545-21in:imuxsock19:26:201
15832993324,7cyclictest9974-21fschecks_time00:41:331
15829993326,5cyclictest23079-21latency_hist19:31:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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