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2026-01-21 - 17:14
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot7s.osadl.org (updated Wed Jan 21, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14425224032177,85sleep00-21swapper07:06:550
148169917217,126cyclictest25204-21apt-get11:30:170
148169916612,24cyclictest3525-21ntp_states12:35:520
148169916418,24cyclictest22571-21df_inode07:55:290
148169916115,120cyclictest31760-21df_inode12:10:300
148169916014,122cyclictest26300-21awk11:35:500
148169915919,110cyclictest26529-21apt-get08:20:270
148169915815,26cyclictest28383-21/usr/sbin/munin08:31:360
148169915723,18cyclictest0-21swapper10:40:000
148169915616,39cyclictest8133-21sshd09:45:120
148169915612,26cyclictest14375-21head10:21:010
148169915612,119cyclictest26136-21mailstats08:15:580
148169915520,109cyclictest17993-21apt-get10:45:160
148169915514,116cyclictest10420-21munin-run10:00:030
148169915440,21cyclictest11946-21unixbench_singl10:06:020
148169915414,24cyclictest16757-21munin-run07:20:020
148169915412,24cyclictest1049-21grep12:20:380
148169915314,24cyclictest17778-21df_inode07:25:290
148169915313,24cyclictest7211-21apt09:40:010
148169915311,26cyclictest24716-21unixbench_singl08:06:000
148169915239,21cyclictest5146-21latency09:25:400
148169915226,21cyclictest0-21swapper07:20:490
148169915220,27cyclictest32564-21diskstats12:15:340
148169915216,22cyclictest19479-21munin-run10:55:010
148169915214,28cyclictest32553-21kworker/u2:209:10:120
148169915214,117cyclictest109-21systemd-journal10:31:300
148169915213,23cyclictest4433-21awk09:20:470
148169915136,22cyclictest23612-21apt-get11:20:130
148169915129,21cyclictest0-21swapper08:05:030
148169915117,95cyclictest797-21munin-run09:00:030
148169915116,106cyclictest8923-21apt-get09:50:160
148169915116,106cyclictest28406-21apt-get11:50:180
148169915115,24cyclictest21824-21head11:06:040
148169915113,39cyclictest13631-21apt10:20:010
148169915112,115cyclictest27046-21sort11:40:420
148169915111,39cyclictest31160-21awk12:05:460
148169915111,115cyclictest30962-21apt-get08:45:190
148169915111,114cyclictest24874-21/usr/sbin/munin08:10:450
14816991508,119cyclictest30532-21grep08:40:540
148169915036,92cyclictest12239-21df_inode10:10:300
148169915020,28cyclictest24408-21apt-get11:25:190
148169915017,105cyclictest29247-21apt-get11:55:140
148169915015,112cyclictest20575-21irqstats11:00:380
148169915012,24cyclictest3361-21/usr/sbin/munin09:15:240
148169915012,23cyclictest10969-21grep10:00:560
14816991498,23cyclictest17835-21grep10:41:100
148169914916,24cyclictest1732-21diskstats12:25:280
148169914915,109cyclictest27612-21apt-get11:45:200
148169914912,21cyclictest289-21snmpd07:38:070
148169914912,112cyclictest14694-21if_eth010:25:370
148169914911,26cyclictest7703-21grep09:40:540
148169914836,90cyclictest29848-21swap08:36:040
148169914830,18cyclictest6440-21cat09:35:040
148169914822,99cyclictest30179-21diskstats12:00:320
148169914820,27cyclictest21673-21apt-get07:50:210
148169914816,24cyclictest22683-21munin-run11:15:020
148169914814,24cyclictest28086-21grep08:26:100
148169914712,25cyclictest15119-21cat07:10:390
148169914712,23cyclictest2013-21tr09:05:490
148169914711,26cyclictest20083-21/usr/sbin/munin07:40:480
148169914621,98cyclictest2417-21apt-get12:30:200
148169914611,112cyclictest23069-21awk11:15:460
148169914515,109cyclictest21316-21awk07:45:580
148169914512,23cyclictest31831-21cstates08:50:220
148169914420,26cyclictest19579-21apt-get10:55:190
148169914415,27cyclictest1092-21irqstats09:00:370
148169914320,100cyclictest18581-21diskstats07:30:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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