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2026-01-18 - 07:20
[ 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 highest latencies:
System rack5slot7s.osadl.org (updated Sun Jan 18, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24112224272191,183sleep00-21swapper19:09:260
242219916215,120cyclictest2512-21apt-get23:35:210
242219916210,123cyclictest3559-21apt-get20:21:410
242219916020,28cyclictest4711-21apt-get20:25:280
242219915813,61cyclictest31420-21munin-run23:15:020
242219915717,113cyclictest23359-21apt-get22:25:300
242219915714,119cyclictest29019-21munin-run23:00:030
242219915628,19cyclictest0-21swapper19:51:580
242219915617,38cyclictest32465-21munin-run23:20:020
242219915615,115cyclictest25814-21munin-run22:40:030
242219915517,29cyclictest1099-21apt-get20:05:240
242219915513,42cyclictest2203-21cut23:30:590
242219915433,97cyclictest19399-21/usr/sbin/munin22:00:330
242219915423,25cyclictest5829-21diskstats23:55:340
242219915418,109cyclictest22497-21apt-get22:20:190
242219915415,22cyclictest9634-21munin-run00:20:020
242219915336,21cyclictest776-21awk20:01:000
242219915220,25cyclictest7917-21apt-get20:45:190
242219915218,36cyclictest4031-21munin-run23:45:020
242219915217,112cyclictest6998-21munin-run20:40:010
242219915211,25cyclictest17501-21unixbench_singl21:46:040
24221991519,26cyclictest2422-21grep20:10:590
24221991519,116cyclictest3604-21latency_hist20:20:080
242219915116,20cyclictest12757-21munin-run21:20:020
242219915115,115cyclictest30722-21sshd19:45:590
242219915113,112cyclictest20671-21timerwakeupswit22:06:000
242219915112,116cyclictest27853-21cat19:30:050
242219915112,113cyclictest11245-21/usr/sbin/munin21:10:350
242219915112,101cyclictest5936-21mailstats20:30:580
242219915021,101cyclictest6540-21apt-get00:00:180
242219915019,25cyclictest10452-21apt-get21:05:140
242219915017,26cyclictest17670-21apt-get21:50:210
242219915013,27cyclictest31871-21apt-get19:55:140
242219915013,112cyclictest18463-21apt-get21:55:130
242219915011,116cyclictest26835-21df22:45:270
242219915011,115cyclictest13952-21grep21:25:460
24221991499,27cyclictest26603-21sshd22:41:580
242219914944,85cyclictest13611-21latency_hist21:25:040
242219914916,108cyclictest10661-21diskstats00:25:290
242219914914,111cyclictest14462-21/usr/sbin/munin21:30:350
242219914913,23cyclictest29660-21irqstats19:40:390
242219914913,109cyclictest9751-21/usr/sbin/munin00:20:470
242219914911,36cyclictest16567-21cut21:40:590
24221991489,25cyclictest24319-21apt-get22:30:120
242219914813,27cyclictest4759-21grep23:46:010
242219914813,22cyclictest5345-21find23:50:560
242219914724,101cyclictest8753-21head00:11:020
242219914722,99cyclictest29370-21munin-run19:40:020
242219914720,26cyclictest9506-21apt-get20:55:210
242219914715,25cyclictest21662-21/usr/sbin/munin22:15:580
242219914714,38cyclictest28579-21latency_hist19:35:020
242219914713,107cyclictest29931-21/usr/sbin/munin23:06:020
242219914711,21cyclictest1422-21/usr/sbin/munin23:25:580
242219914616,24cyclictest25408-21df_inode19:15:260
242219914611,21cyclictest722-21sort23:21:090
242219914611,20cyclictest7383-21grep20:40:470
242219914611,111cyclictest289-21snmpd22:50:520
242219914526,22cyclictest11355-21sshd00:34:410
242219914513,109cyclictest7334-21apt-get00:05:180
242219914511,112cyclictest109-21systemd-journal21:38:570
242219914417,27cyclictest8822-21diskstats20:50:340
242219914417,26cyclictest24619-21/usr/sbin/munin19:10:490
242219914414,89cyclictest473-21sendmail-mta23:00:280
242219914412,30cyclictest26819-21threads19:21:000
242219914324,95cyclictest0-21swapper22:10:560
242219914311,92cyclictest289-21snmpd00:35:280
242219914311,29cyclictest10352-21/usr/sbin/munin21:05:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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