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2026-02-20 - 21:58
[ 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 the 792 highest latencies:
System rack5slot7s.osadl.org (updated Fri Feb 20, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9882224362187,90sleep00-21swapper07:09:150
100109916217,119cyclictest21806-21apt-get08:21:240
100109916013,122cyclictest31439-21awk09:15:470
100109915944,22cyclictest26187-21unixbench_singl08:41:020
10010991579,121cyclictest18594-21modprobe08:00:020
100109915716,114cyclictest15287-21apt-get10:55:260
100109915712,47cyclictest31938-21cat12:30:590
100109915617,115cyclictest22523-21memory11:36:160
100109915613,120cyclictest21810-21munin-run08:20:020
100109915521,28cyclictest24607-21users08:31:120
100109915520,28cyclictest17207-21diskstats07:50:350
100109915515,115cyclictest7655-21apt-get10:11:240
100109915514,119cyclictest27821-21apt-get12:11:250
100109915511,37cyclictest26798-21awk08:45:560
10010991549,120cyclictest14598-21ls07:35:040
100109915415,24cyclictest28647-21apt09:00:010
100109915415,21cyclictest395-21apt-get09:25:250
100109915411,120cyclictest19543-21cron11:17:010
100109915319,26cyclictest30360-21apt-get09:10:160
100109915316,110cyclictest4551-21apt-get09:50:170
100109915313,99cyclictest10801-21cut07:11:520
100109915311,42cyclictest25427-21cron08:40:020
100109915310,115cyclictest20319-21grep11:21:050
100109915230,32cyclictest16261-21apt-get11:00:120
100109915214,115cyclictest14053-21sendmail_mailst10:45:550
100109915212,114cyclictest28945-21/usr/sbin/munin12:15:420
100109915131,97cyclictest27780-21unixbench_singl08:51:030
100109915118,105cyclictest18712-21apt-get08:00:180
100109915117,25cyclictest10407-21apt-get10:25:180
100109915115,112cyclictest12924-21df10:40:240
100109915114,113cyclictest7669-21wc10:10:060
100109915112,26cyclictest1712-21wc09:31:010
100109915111,116cyclictest26755-21grep12:00:560
100109915020,22cyclictest21832-1kworker/u3:308:25:190
100109915018,24cyclictest14414-21apt-get10:50:180
100109915018,22cyclictest6048-21munin-run10:00:020
100109915017,27cyclictest17745-21apt-get11:11:270
100109915016,27cyclictest11149-21munin-node10:20:100
100109915015,112cyclictest9244-21mailstats10:16:040
100109915014,21cyclictest27614-21cut12:05:570
100109915014,112cyclictest21394-21df_inode11:30:280
100109915012,22cyclictest31262-21latency_hist12:30:010
100109915012,116cyclictest29988-21sort12:20:400
100109915011,113cyclictest26159-21sed11:56:030
100109915010,115cyclictest13522-21sendmail_mailqu07:25:560
100109914932,20cyclictest12185-21munin-run07:20:030
100109914926,17cyclictest398-21apt12:40:020
100109914918,24cyclictest23372-21memory11:40:490
100109914918,106cyclictest24163-21memory11:45:420
100109914917,25cyclictest11208-21apt-get10:30:200
100109914912,23cyclictest6910-21latency_hist10:05:040
100109914911,27cyclictest30322-21cat09:10:040
100109914910,24cyclictest15296-21grep07:36:010
100109914813,95cyclictest3599-21grep09:41:030
100109914732,20cyclictest0-21swapper08:05:260
100109914719,101cyclictest24718-21apt-get11:50:220
100109914718,28cyclictest17163-21diskstats11:05:330
100109914714,108cyclictest2139-21/usr/sbin/munin09:35:340
100109914712,95cyclictest12712-21readlink10:40:010
100109914712,24cyclictest15935-21grep07:40:560
100109914710,113cyclictest305-21cat09:25:090
10010991469,116cyclictest12818-21sort07:20:590
100109914615,108cyclictest16298-21/usr/sbin/munin07:45:300
100109914614,95cyclictest20301-21apt-get08:10:200
100109914517,104cyclictest20607-21diskstats11:25:340
100109914513,110cyclictest4304-21sort09:46:010
100109914413,27cyclictest28849-21wc09:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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