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2026-02-26 - 12:47
[ 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 50 highest latencies:
System rack5slot7s.osadl.org (updated Thu Feb 26, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8791224352193,97sleep00-21swapper19:08:070
90459916215,104cyclictest31376-21apt-get21:21:300
90459916211,126cyclictest12822-21apt-get19:31:500
90459915917,119cyclictest21841-21apt23:40:010
90459915816,37cyclictest7967-21munin-run22:15:040
90459915815,25cyclictest10031-21df_inode22:25:260
90459915814,119cyclictest7965-21apt-get22:16:290
90459915714,117cyclictest21527-21apt-get20:21:320
9045991569,104cyclictest18239-21apt-key20:00:120
90459915622,27cyclictest28403-21apt-get00:20:320
90459915618,23cyclictest21531-21munin-run20:20:020
90459915611,23cyclictest9022-21apt-get19:11:500
90459915543,23cyclictest29004-21latency_hist21:05:040
90459915523,28cyclictest19000-21memory23:20:430
90459915515,23cyclictest18092-21munin-run20:00:040
90459915514,116cyclictest14651-21apt-get19:41:060
90459915511,103cyclictest14615-21sh22:55:010
9045991549,121cyclictest24103-21sort23:50:580
9045991549,104cyclictest110-21systemd-journal20:34:400
90459915418,21cyclictest28172-21munin-run21:00:020
90459915417,21cyclictest5790-21snmpd19:45:160
90459915416,115cyclictest14651-21apt-get19:40:030
90459915414,23cyclictest2361-21munin-run21:40:040
90459915413,28cyclictest9613-21mailstats22:21:050
90459915411,26cyclictest16658-21ntpq23:05:500
9045991539,118cyclictest23175-21grep23:45:540
90459915316,37cyclictest0-21swapper21:15:540
90459915315,27cyclictest30632-21cat21:15:050
9045991528,119cyclictest16323-21cat23:05:060
90459915238,94cyclictest4520-21mailstats21:50:570
90459915228,28cyclictest22679-21apt-get20:25:200
90459915216,114cyclictest30105-21munin-run00:30:030
90459915213,24cyclictest18640-21munin-run23:20:030
90459915213,24cyclictest11213-21sendmail19:20:010
90459915213,115cyclictest11627-21diskstats22:35:330
90459915210,26cyclictest17712-21sort23:10:590
9045991519,25cyclictest26968-21awk20:50:470
90459915131,94cyclictest307-21sshd00:20:010
90459915115,28cyclictest25877-21/usr/sbin/munin20:45:220
90459915114,39cyclictest11626-21/usr/sbin/munin19:20:480
90459915114,23cyclictest16943-21pluginstate19:50:520
90459915114,113cyclictest13128-21/usr/sbin/munin22:45:220
90459915113,112cyclictest22428-21mailstats23:40:570
90459915110,41cyclictest13113-21wc22:45:040
9045991508,120cyclictest29082-21/usr/sbin/munin21:05:540
90459915030,21cyclictest0-21swapper22:05:200
90459915010,25cyclictest20127-21grep23:26:020
90459915010,24cyclictest31748-21cat00:40:050
90459915010,115cyclictest10727-21kworker/u2:022:30:120
90459914919,30cyclictest25087-21apt-get20:40:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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