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2026-01-18 - 10:59
[ 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 #e, slot #8

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rackeslot8s.osadl.org (updated Sun Jan 18, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9419589911981,1192cyclictest1221613-21sleep3
9419589910920,1088cyclictest9766182sleep33
9419589910911,1086cyclictest1189530-21sleep3
941958992419,2cyclictest995969-21turbostat3
94195899198,8cyclictest969999-21turbostat3
94195899186,9cyclictest1285276-21taskset3
94195899177,7cyclictest1350485-21turbostat3
941958991714,1cyclictest0-21swapper/33
941958991714,1cyclictest0-21swapper/33
94195899171,12cyclictest1273431-21taskset3
9837242166,7sleep2983903-21sed2
941958991613,1cyclictest0-21swapper/33
94195899154,8cyclictest1272511-21taskset3
94195899154,8cyclictest1272511-21taskset3
941958991513,1cyclictest0-21swapper/33
941958991513,1cyclictest0-21swapper/33
941958991512,1cyclictest0-21swapper/33
94195899151,11cyclictest1118872-21turbostat3
301798150,2rtkit-daemon1021908-21apt-get0
94195899144,8cyclictest1138062-21taskset3
94195899144,7cyclictest1015495-21taskset3
94195899143,8cyclictest1033677-21taskset3
941958991413,0cyclictest0-21swapper/33
941958991412,1cyclictest0-21swapper/33
941958991412,1cyclictest0-21swapper/33
941958991412,1cyclictest0-21swapper/33
941958991412,0cyclictest0-21swapper/33
941958991412,0cyclictest0-21swapper/33
941958991411,1cyclictest0-21swapper/33
941958991411,1cyclictest0-21swapper/33
941958991411,1cyclictest0-21swapper/33
94195899141,10cyclictest1318035-21chrt3
94195899141,10cyclictest1008486-21taskset3
94195899140,11cyclictest1256150-21taskset3
94195899140,11cyclictest1256150-21taskset3
94195899132,8cyclictest1073302-21chrt3
94195899131,9cyclictest998558-21taskset3
94195899131,9cyclictest951450-21taskset3
94195899131,9cyclictest1337901-21chrt3
94195899131,9cyclictest1292862-21taskset3
94195899131,9cyclictest1183091-21turbostat3
94195899131,9cyclictest1169440-21taskset3
94195899131,9cyclictest1155623-21chrt3
94195899131,9cyclictest10347942sleep33
94195899131,8cyclictest11576702sleep33
941958991312,0cyclictest0-21swapper/33
941958991311,1cyclictest0-21swapper/33
941958991311,1cyclictest0-21swapper/33
941958991311,1cyclictest0-21swapper/33
941958991311,1cyclictest0-21swapper/33
941958991311,1cyclictest0-21swapper/33
941958991311,0cyclictest0-21swapper/33
941958991311,0cyclictest0-21swapper/33
941958991311,0cyclictest0-21swapper/33
941958991311,0cyclictest0-21swapper/33
941958991310,1cyclictest0-21swapper/33
941958991310,1cyclictest0-21swapper/33
941958991310,1cyclictest0-21swapper/33
94195899130,11cyclictest1266715-21chrt3
94195899130,10cyclictest1331801-21taskset3
94195899130,10cyclictest1202609-21taskset3
94195899130,10cyclictest1202017-21chrt3
301798130,8rtkit-daemon1338384-21/usr/sbin/munin0
11778042130,5sleep11178684-21grep1
94195899126,4cyclictest1195638-21taskset3
94195899121,9cyclictest1227905-21taskset3
94195899121,8cyclictest1093334-21chrt3
94195899121,8cyclictest1067009-21taskset3
941958991211,0cyclictest0-21swapper/33
94195899120,9cyclictest1214870-21taskset3
94195899120,9cyclictest1060413-21taskset3
94195899120,9cyclictest1046443-21chrt3
94195899120,10cyclictest1150720-21taskset3
12026212121,2sleep01202654-21apt-get0
9966102110,8sleep1997328-21sed1
9712182111,3sleep0972276-21kthreadcore0
301798110,6rtkit-daemon317-21systemd-udevd0
301798110,3rtkit-daemon636-21snmpd0
301798110,3rtkit-daemon430-21avahi-daemon1
301798100,7rtkit-daemon638-21ntpd1
301798100,6rtkit-daemon676-21runrttasks0
301798100,6rtkit-daemon1209646-21irqcore0
301798100,5rtkit-daemon962875-21python31
301798100,5rtkit-daemon1241480-21hddtemp_smartct0
301798100,4rtkit-daemon1125121-21chrt0
301798100,3rtkit-daemon948581-21munin-node0
301798100,3rtkit-daemon948581-21munin-node0
301798100,3rtkit-daemon948581-21munin-node0
301798100,1rtkit-daemon0-21swapper/00
12786352100,3sleep21278706-21ntp_states2
11833562101,5sleep01183378-21apt-get0
948870291,4sleep1950099-21grep1
30179890,6rtkit-daemon948581-21munin-node0
30179890,5rtkit-daemon964430-21sed1
30179890,5rtkit-daemon636-21snmpd0
30179890,5rtkit-daemon636-21snmpd0
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon317-21systemd-udevd0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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