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2026-02-07 - 02:30
[ 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 Sat Feb 07, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12538224382198,99sleep00-21swapper19:09:280
126409916314,124cyclictest27855-21ntp_states00:05:510
12640991629,125cyclictest29601-21munin-run20:55:020
126409915916,24cyclictest29835-21apt-get00:21:400
126409915818,26cyclictest14056-21apt-get19:20:310
126409915818,113cyclictest22722-21apt-get23:35:160
12640991569,25cyclictest6416-21df_inode21:50:290
126409915617,116cyclictest581-21munin-run21:15:010
126409915614,118cyclictest12630-21apt22:30:000
126409915613,118cyclictest18684-21df23:05:320
126409915612,120cyclictest24397-21grep20:20:480
126409915610,109cyclictest30327-21kworker/u2:1621:00:160
126409915521,107cyclictest29768-21apt-get20:55:310
126409915519,110cyclictest20335-21apt-get23:20:140
126409915519,108cyclictest4830-21diskstats21:40:340
126409915515,40cyclictest11023-21munin-run22:20:020
126409915515,23cyclictest21910-21memory20:06:200
126409915441,94cyclictest3955-21/usr/sbin/munin21:35:220
126409915419,25cyclictest9518-21apt-get22:10:160
126409915418,108cyclictest21132-21apt-get23:25:160
126409915415,24cyclictest26852-21df_inode00:00:270
126409915413,119cyclictest11705-21sort22:21:000
126409915412,118cyclictest3560-21cut21:30:570
126409915411,119cyclictest17334-21modprobe19:40:010
126409915332,100cyclictest5790-21snmpd22:30:530
126409915317,22cyclictest31284-21df00:25:470
126409915312,117cyclictest7808-21systemctl22:00:020
126409915312,117cyclictest13103-21wc19:10:540
12640991529,25cyclictest6269-21grep21:50:040
12640991529,119cyclictest17417-21cron23:00:020
126409915221,23cyclictest21362-21munin-run20:05:030
126409915215,35cyclictest14091-21sort22:36:000
126409915213,45cyclictest13911-21systemctl19:20:010
126409915212,114cyclictest20215-21munin-run23:20:020
126409915211,116cyclictest25590-21cron20:30:010
126409915124,100cyclictest15952-21df_inode19:30:270
126409915116,93cyclictest29840-21munin-run00:20:010
126409915115,107cyclictest24341-21apt-get23:45:160
126409915112,117cyclictest17754-21grep19:40:470
126409915110,117cyclictest16147-21grep22:50:410
126409915014,23cyclictest28575-21missed_timers00:10:450
126409915013,22cyclictest26241-21awk20:31:000
126409915013,21cyclictest25135-21apt-get23:50:130
126409915012,114cyclictest2673-21grep21:25:520
126409915011,116cyclictest25923-21/usr/sbin/munin23:55:330
126409915011,115cyclictest20010-21grep23:11:020
126409915011,114cyclictest26772-21awk20:35:470
12640991498,118cyclictest1071-21wc00:40:050
126409914912,114cyclictest23546-21dpkg23:40:110
126409914910,38cyclictest17432-21apt-get23:01:410
126409914910,25cyclictest2204-21munin-plugin-st21:25:020
126409914910,114cyclictest20209-21grep19:55:530
126409914838,22cyclictest28510-21processes20:45:540
126409914815,22cyclictest28013-21munin-run20:45:020
126409914811,116cyclictest15709-21users19:26:100
126409914720,104cyclictest0-21swapper20:20:040
126409914715,94cyclictest1393-21munin-run21:20:020
126409914623,105cyclictest30036-21kworker/u2:1000:30:180
126409914620,99cyclictest22038-21diskstats23:30:310
126409914615,105cyclictest18256-21/usr/sbin/munin19:45:370
126409914614,27cyclictest15258-21diskstats22:45:310
126409914614,23cyclictest8832-21diskstats22:05:320
126409914515,23cyclictest22589-21df20:10:310
126409914513,45cyclictest8030-21df22:00:250
126409914511,110cyclictest31892-21/usr/sbin/munin21:05:520
126409914418,24cyclictest14525-21irqstats22:40:380
126409914412,26cyclictest19762-21cat19:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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