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2026-02-17 - 21:32
[ 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 Tue Feb 17, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26448224302200,87sleep00-21swapper07:06:060
269349916113,24cyclictest22530-21munin-run10:00:050
269349916015,25cyclictest13829-21apt-get12:26:320
269349916014,120cyclictest14334-21cat09:10:050
269349915912,118cyclictest25391-21if_eth010:15:360
269349915813,120cyclictest1847-21/usr/sbin/munin11:10:120
269349915713,123cyclictest9349-21cat08:36:020
269349915713,120cyclictest32503-21apt-get11:00:230
269349915712,25cyclictest23209-21proc_pri10:01:430
269349915616,100cyclictest2023-21apt-get07:56:140
269349915614,23cyclictest27739-21munin-node07:15:090
269349915611,122cyclictest5558-21/usr/sbin/munin08:15:490
269349915517,99cyclictest6778-21df11:40:270
269349915513,120cyclictest32074-21zcat10:55:570
269349915512,29cyclictest13495-21apt09:05:000
269349915418,26cyclictest12306-21apt-get12:15:150
269349915415,24cyclictest30240-21irqstats10:45:370
269349915414,116cyclictest15977-21sort12:35:390
269349915412,117cyclictest27739-21munin-node07:15:100
269349915313,117cyclictest11440-21missed_timers08:50:450
269349915313,115cyclictest9491-21/usr/sbin/munin11:56:010
269349915312,25cyclictest8554-21grep08:31:000
269349915312,117cyclictest3330-21cron11:20:000
269349915311,119cyclictest1163-21sed07:46:050
26934991529,117cyclictest7819-21grep08:26:030
269349915215,112cyclictest5854-21apt-get11:35:170
269349915214,26cyclictest15425-21memory09:15:430
269349915214,24cyclictest24894-21cut10:10:570
269349915214,116cyclictest5790-21snmpd08:10:090
269349915213,99cyclictest3480-21tr08:00:560
269349915210,37cyclictest5790-21snmpd11:23:100
269349915210,25cyclictest32000-21grep07:36:020
26934991519,26cyclictest21587-21date09:55:090
269349915136,21cyclictest30407-21unixbench_singl07:26:030
269349915114,113cyclictest13905-21latency_hist12:25:070
26934991508,118cyclictest32762-21sort07:41:010
269349915040,23cyclictest31273-21sh07:35:010
269349915016,37cyclictest10952-21wc08:46:010
269349915014,96cyclictest26704-21sed10:21:030
269349915014,111cyclictest29922-21head10:41:020
269349915013,115cyclictest7652-21uname11:45:430
269349915013,114cyclictest31510-21head10:51:020
269349915011,116cyclictest29687-21munin-plugin-st07:25:000
269349915010,27cyclictest6597-21cat08:20:410
269349914940,91cyclictest5297-21load11:30:420
269349914922,26cyclictest4084-21diskstats08:05:350
269349914915,24cyclictest20326-21ntp_states09:45:480
269349914913,108cyclictest27093-21latency10:25:420
269349914912,23cyclictest1987-21users07:51:060
269349914821,27cyclictest17464-21users09:26:080
269349914815,26cyclictest15083-21munin-plugin-st09:15:010
269349914815,108cyclictest4261-21/usr/sbin/munin11:25:460
269349914813,26cyclictest18506-21diskstats09:35:300
269349914813,21cyclictest28455-21apt-get10:35:200
269349914810,25cyclictest28235-21grep10:31:020
269349914728,21cyclictest0-21swapper10:06:080
269349914717,28cyclictest10717-21/usr/sbin/munin12:05:590
269349914713,107cyclictest14959-21/usr/sbin/munin12:31:040
269349914712,23cyclictest11981-21/usr/sbin/munin08:55:110
269349914616,24cyclictest8917-21users11:51:080
269349914615,108cyclictest19908-21latency_hist09:45:050
269349914613,106cyclictest11584-21cstates12:10:240
269349914611,41cyclictest1-21systemd12:00:090
269349914519,25cyclictest16671-21users09:21:050
269349914512,109cyclictest9726-21/usr/sbin/munin08:40:350
269349914511,111cyclictest1197-21/usr/sbin/munin11:05:430
269349914431,19cyclictest17853-21ls09:30:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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