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2026-02-16 - 05:52
[ 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 all highest latencies:
System rack4slot6s.osadl.org (updated Mon Feb 16, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2483422630,3sleep024835-21grep20:35:260
1802822480,2sleep018026-21awk22:15:200
1176421980,2sleep011762-21grep21:50:270
928321420,2sleep09286-21wc21:40:280
649021190,3chrt6488-21irqstats19:25:160
35772970,3sleep03576-21wc23:25:170
105512950,3sleep010548-21cat21:45:280
259772930,3sleep025979-21cut22:45:260
273532890,4sleep027434-21mailstats20:45:260
117382850,3sleep011740-21users23:55:310
37002750,3sleep03701-21date19:15:010
162126920,28sleep01685-21/usr/sbin/munin19:05:240
295492653,5sleep00-21swapper20:55:060
2359996533,24cyclictest15461-21/usr/sbin/munin20:00:150
77452620,2sleep07746-21run-parts23:40:260
2359996211,17cyclictest21837-21/usr/sbin/munin20:25:150
235999619,19cyclictest32165-21/usr/sbin/munin21:05:290
2359996136,16cyclictest29810-21/usr/sbin/munin23:00:260
2359996110,15cyclictest18247-21ntpq20:10:220
67402605,6sleep00-21swapper23:36:440
235999607,18cyclictest997-21/usr/sbin/munin21:10:250
235999607,18cyclictest13923-21/usr/sbin/munin22:00:280
2359996036,15cyclictest21618-21/usr/sbin/munin00:35:150
235999599,17cyclictest21665-21/usr/sbin/munin22:30:260
235999597,16cyclictest6167-21/usr/sbin/munin21:30:240
2359995935,14cyclictest1405-21/usr/sbin/munin23:15:280
2359995933,15cyclictest12889-21/usr/sbin/munin21:55:220
2359995932,19cyclictest23309-21/usr/sbin/munin20:30:180
2359995923,26cyclictest14042-21latency_hist19:55:020
2359995910,18cyclictest28425-21chrt20:50:150
235999589,19cyclictest13743-21/usr/sbin/munin00:05:260
235999589,18cyclictest5058-21/usr/sbin/munin19:20:170
235999589,14cyclictest20694-21irqstats20:20:140
235999588,19cyclictest18915-21/usr/sbin/munin00:25:200
235999588,16cyclictest10219-21/usr/sbin/munin19:40:290
2359995835,15cyclictest4971-21/usr/sbin/munin23:30:200
2359995834,15cyclictest24159-21latency_hist22:40:020
2359995833,16cyclictest20330-21/usr/sbin/munin00:30:160
2359995833,15cyclictest17220-21/usr/sbin/munin20:05:270
235999578,17cyclictest20416-21awk20:20:010
2359995733,15cyclictest3695-21/usr/sbin/munin21:20:150
2359995732,16cyclictest12099-21/usr/sbin/munin19:45:280
2359995722,23cyclictest20662-21/usr/sbin/munin22:25:220
2359995716,15cyclictest276-21runrttasks22:20:370
2359995711,15cyclictest16636-21/usr/sbin/munin22:10:140
2359995710,14cyclictest24387-21if_eth022:40:160
235999569,18cyclictest3467-21munin-run21:20:000
235999569,16cyclictest3740-21/usr/sbin/munin19:15:280
235999569,14cyclictest15077-21df00:10:120
235999569,13cyclictest8910-21/usr/sbin/munin19:35:100
235999568,16cyclictest9863-21/usr/sbin/munin23:50:110
235999568,15cyclictest7737-21ntp_states21:35:210
235999568,15cyclictest26822-21/usr/sbin/munin22:50:240
235999567,15cyclictest25905-21memory20:40:170
235999567,14cyclictest2406-21ntpq23:20:200
2359995633,14cyclictest15823-21runrttasks22:05:310
2359995632,14cyclictest32575-21/usr/sbin/munin23:10:270
2359995631,15cyclictest31011-21/usr/sbin/munin21:00:150
2359995631,15cyclictest17719-21/usr/sbin/munin00:20:130
2359995624,23cyclictest276-21runrttasks19:30:420
2359995611,16cyclictest12509-21df00:00:130
2359995610,14cyclictest30835-21cat23:05:160
2359995610,14cyclictest16368-21df_inode00:15:110
2359995610,14cyclictest14069-21/usr/sbin/munin19:55:100
235999558,15cyclictest8580-21/usr/sbin/munin23:45:180
235999557,15cyclictest4887-21/usr/sbin/munin21:25:140
2359995531,15cyclictest28172-21/usr/sbin/munin22:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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