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2026-02-27 - 22:47
[ 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 Fri Feb 27, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13873224212192,89sleep00-21swapper07:06:260
143199916415,124cyclictest26057-21diskstats11:35:310
143199916217,119cyclictest23437-21munin-run11:20:020
143199916116,120cyclictest32583-21/usr/sbin/munin12:15:460
143199916114,103cyclictest20803-21apt-get11:06:250
143199916022,32cyclictest31823-21apt-get08:55:220
143199915917,22cyclictest29050-21apt-get11:56:220
143199915914,22cyclictest25953-21sort08:20:060
143199915818,119cyclictest29317-21apt08:40:010
143199915814,119cyclictest17294-21grep10:41:100
143199915629,20cyclictest13427-21kworker/u2:2607:10:120
143199915621,106cyclictest1756-21apt-get12:25:190
143199915516,114cyclictest15713-21apt-get10:35:350
143199915515,115cyclictest26697-21apt-get08:25:300
143199915511,103cyclictest10468-21uptime10:01:030
143199915414,24cyclictest22074-21df_inode07:55:290
143199915414,117cyclictest22624-21apt11:15:010
143199915410,119cyclictest7519-21diskstats09:45:340
143199915317,113cyclictest18952-21apt-get10:56:130
143199915315,39cyclictest32753-21df_inode09:00:290
143199915314,113cyclictest2549-21/usr/sbin/munin12:30:290
143199915232,18cyclictest0-21swapper07:27:300
143199915215,26cyclictest12295-21df10:15:260
143199915211,115cyclictest29439-21/usr/sbin/munin08:40:410
143199915211,113cyclictest20166-21cpuspeed11:00:280
14319991519,118cyclictest24844-21cut11:25:580
143199915139,92cyclictest984-21apt-get09:05:110
143199915128,19cyclictest0-21swapper09:52:500
143199915121,28cyclictest5236-21memory09:30:450
143199915121,102cyclictest3518-21diskstats09:20:350
143199915116,20cyclictest3006-21awk09:15:560
143199915116,106cyclictest5788-21apt-get09:35:160
143199915113,24cyclictest110-21systemd-journal09:30:000
143199915112,116cyclictest23156-21wc08:00:530
143199915112,115cyclictest30900-21munin-run12:05:010
143199915072,36cyclictest15427-21wc07:15:230
143199915021,25cyclictest18762-21apt-get07:35:180
143199915021,101cyclictest20377-21apt-get07:45:220
143199915019,26cyclictest27938-21diskstats08:30:400
143199915018,25cyclictest17568-21df10:45:250
143199915018,105cyclictest10610-21apt-get10:05:170
143199915016,27cyclictest960-21/usr/sbin/munin12:20:590
143199915015,22cyclictest18078-21diskstats07:30:300
143199915013,114cyclictest30646-21awk08:45:540
143199914922,99cyclictest25150-21apt-get11:30:190
143199914917,23cyclictest32448-21users12:11:050
143199914914,26cyclictest13930-21df_inode10:25:290
143199914914,112cyclictest1887-21diskstats09:10:310
143199914913,37cyclictest15549-21munin-run10:35:050
143199914911,98cyclictest20128-21grep07:41:000
143199914911,115cyclictest23840-21ntpq11:20:470
143199914835,90cyclictest9096-21sh09:55:260
143199914818,26cyclictest6716-21df_inode09:40:280
143199914816,26cyclictest3344-21apt-get12:35:170
143199914816,105cyclictest28357-21apt-get11:50:170
143199914813,111cyclictest31731-21cat08:55:030
143199914812,39cyclictest27490-21cat11:45:030
143199914812,113cyclictest31010-21wc12:05:190
143199914812,112cyclictest27927-21grep11:45:530
14319991477,118cyclictest13712-21modprobe10:25:010
143199914715,92cyclictest24275-21apt08:10:010
143199914715,108cyclictest21280-21df_inode07:50:290
143199914614,110cyclictest26112-21df_inode08:20:290
143199914611,23cyclictest16379-21apt-get07:20:200
143199914513,24cyclictest11513-21diskstats10:10:300
143199914512,96cyclictest18259-21/usr/sbin/munin10:50:520
14319991449,21cyclictest25120-21sort08:15:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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