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2026-02-01 - 22:07
[ 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 Feb 01, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7654224402199,98sleep00-21swapper07:06:440
80679916815,109cyclictest16307-21apt-get11:15:190
80679916313,41cyclictest20637-21tr11:40:480
80679916230,21cyclictest0-21swapper12:15:350
80679916218,115cyclictest8164-21apt-get07:10:170
80679916031,20cyclictest6794-21grep10:16:030
80679915912,102cyclictest8558-21apt-config10:30:080
80679915819,23cyclictest8499-21apt-get10:32:000
80679915816,28cyclictest19694-21irqstats11:35:390
80679915816,100cyclictest3666-21munin-run10:00:010
80679915716,40cyclictest19820-21users08:17:090
80679915716,101cyclictest14820-21df11:05:270
80679915715,19cyclictest2170-21apt-get09:50:190
80679915637,19cyclictest16133-21unixbench_singl11:11:030
80679915619,108cyclictest12508-21apt-get07:35:220
80679915617,44cyclictest10128-21apt-get07:20:170
80679915616,115cyclictest13929-21apt-get11:00:270
80679915613,119cyclictest30234-21grep12:37:050
80679915613,114cyclictest4997-21zcat10:05:550
80679915517,114cyclictest23431-21munin-run12:00:030
80679915516,98cyclictest16532-21apt-get08:00:180
80679915512,27cyclictest9807-21ls07:16:160
8067991548,105cyclictest28574-21wc09:10:530
80679915432,22cyclictest24242-21apt12:05:010
80679915421,107cyclictest14123-21apt-get07:45:220
80679915418,110cyclictest31421-21apt-get09:30:190
80679915417,108cyclictest11286-21apt-get10:45:190
80679915415,21cyclictest26997-21apt-get12:20:120
80679915415,114cyclictest25110-21df_inode08:50:370
80679915412,121cyclictest29292-21tr09:15:490
80679915412,117cyclictest30925-21grep09:25:470
80679915411,118cyclictest12967-21chmod10:55:180
80679915411,116cyclictest27410-21/usr/sbin/munin09:06:070
80679915410,120cyclictest29276-21munin-plugin-st12:35:000
80679915318,107cyclictest11715-21apt-get07:30:170
80679915317,109cyclictest9670-21/usr/sbin/munin10:35:530
80679915315,116cyclictest24242-21apt-get12:06:240
80679915222,29cyclictest19985-21apt-get08:20:260
80679915211,27cyclictest17932-21/usr/sbin/munin11:25:410
80679915117,27cyclictest29936-21df_inode09:20:280
80679915117,25cyclictest22043-21diskstats11:50:300
80679915116,113cyclictest16412-21munin-run08:00:020
80679915115,114cyclictest24010-21apt-get08:45:280
80679915113,95cyclictest23045-21cron08:40:000
80679915112,50cyclictest18980-21ls11:30:440
80679915030,96cyclictest17219-21wc11:20:240
80679915020,28cyclictest18820-21munin-run08:15:030
80679915019,109cyclictest0-21swapper08:30:040
80679915011,116cyclictest110-21systemd-journal10:25:010
80679914934,22cyclictest12661-21timerwakeupswit10:51:020
80679914918,30cyclictest26025-21users12:11:110
80679914916,107cyclictest13328-21/usr/sbin/munin07:40:420
80679914912,113cyclictest17323-21/usr/sbin/munin08:05:460
80679914910,114cyclictest32221-21sshd09:35:200
80679914910,114cyclictest10665-21irqstats10:40:360
8067991489,24cyclictest27301-21cron09:05:000
80679914829,95cyclictest0-21swapper08:40:250
80679914821,27cyclictest21570-21apt-get08:30:220
80679914816,104cyclictest579-21/usr/sbin/munin09:40:570
80679914815,106cyclictest14917-21apt-get07:50:200
80679914811,113cyclictest2069-21latency_hist09:50:010
80679914715,104cyclictest21251-21diskstats11:45:320
80679914714,108cyclictest5615-21memory10:10:460
80679914710,114cyclictest28246-21cut12:25:560
80679914615,106cyclictest25796-21/usr/sbin/munin08:56:070
80679914517,24cyclictest3957-21irqstats10:00:410
80679914312,107cyclictest10921-21apt-get07:25:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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