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2026-01-16 - 05:54
[ 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 Fri Jan 16, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31774224122168,98sleep00-21swapper19:08:190
320109916622,31cyclictest950-21apt-get19:20:210
320109916116,99cyclictest25694-21/usr/sbin/munin21:50:570
320109916116,22cyclictest14684-21munin-run00:00:030
320109915916,119cyclictest337-21munin-run19:15:040
320109915720,110cyclictest26495-21apt-get21:55:200
320109915717,113cyclictest16532-21apt-get20:56:560
320109915716,116cyclictest10693-21munin-run20:20:030
320109915713,29cyclictest13124-21irqstats23:50:370
320109915616,23cyclictest4466-21diskstats19:40:590
320109915614,60cyclictest7015-21cat19:55:430
320109915512,24cyclictest9559-21sort23:27:030
320109915416,108cyclictest20395-21apt-get00:35:190
320109915415,99cyclictest1165-21apt-get22:41:010
320109915415,101cyclictest11248-21munin-run23:40:010
320109915414,116cyclictest17887-21apt00:20:010
320109915413,119cyclictest2618-21sshd22:45:570
320109915412,26cyclictest829-21systemctl19:20:020
320109915412,102cyclictest11895-21sort23:40:580
320109915316,24cyclictest18708-21munin-run00:25:010
320109915314,25cyclictest6417-21df_inode23:10:300
320109915313,98cyclictest30416-21munin-run22:20:020
320109915313,117cyclictest936-21systemctl22:35:580
320109915236,22cyclictest11458-21grep20:21:030
320109915217,23cyclictest12817-21users23:46:040
320109915211,24cyclictest21149-21grep21:20:450
320109915131,23cyclictest28104-21latency_hist22:05:050
320109915113,112cyclictest4038-21/usr/sbin/munin19:40:070
320109915110,24cyclictest20572-21/usr/sbin/munin21:15:580
320109915110,118cyclictest289-21snmpd22:55:550
32010991509,119cyclictest20236-21grep00:31:030
320109915023,22cyclictest0-21swapper23:15:510
320109915019,24cyclictest11608-21apt-get20:25:160
320109915017,24cyclictest26497-1kworker/u3:022:05:150
320109915015,105cyclictest5976-21apt-get19:50:170
320109915014,96cyclictest14943-21munin-run20:45:020
320109915014,112cyclictest9464-21grep20:10:480
320109915013,113cyclictest16533-21munin-plugin-st20:55:010
320109915012,115cyclictest13709-21grep20:35:540
320109914931,94cyclictest0-21swapper23:05:250
320109914916,108cyclictest25029-21/usr/sbin/munin21:45:330
320109914915,25cyclictest8174-21memory23:20:440
320109914914,22cyclictest22854-21grep21:30:520
320109914911,114cyclictest14983-21uname00:00:480
320109914911,114cyclictest13043-21ps20:31:560
32010991487,101cyclictest24515-21ps21:40:530
320109914824,107cyclictest17201-21kworker/u2:1021:00:210
320109914822,18cyclictest0-21swapper20:50:010
320109914817,30cyclictest2399-21users19:26:040
320109914723,21cyclictest3338-1kworker/u3:119:45:210
320109914720,99cyclictest19387-21diskstats21:10:320
320109914717,104cyclictest2539-21apt-get19:30:180
320109914716,30cyclictest18808-21apt-get00:25:130
320109914716,103cyclictest23395-21diskstats21:35:350
320109914715,31cyclictest5377-21users23:01:040
320109914713,112cyclictest18697-21/usr/sbin/munin21:05:380
320109914712,95cyclictest8901-21sshd20:05:580
320109914712,22cyclictest31401-21cstates22:25:230
320109914711,114cyclictest31209-21sshd22:23:580
320109914619,23cyclictest21699-21apt-get21:25:130
320109914617,25cyclictest32236-21diskstats22:30:310
320109914615,105cyclictest3205-21/usr/sbin/munin22:50:250
320109914611,28cyclictest10070-21ntpq23:30:570
320109914610,113cyclictest15667-21cstates00:05:230
32010991459,112cyclictest16822-21awk00:10:540
320109914515,104cyclictest28911-21apt-get22:10:200
320109914510,25cyclictest8226-21sed20:01:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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