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2026-02-02 - 16:16
[ 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 Mon Feb 02, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21066729912330,1229cyclictest2322046-21sleep3
21066729911630,1159cyclictest21130102sleep33
2106672994250,421cyclictest2179833-21turbostat3
2106672993330,330cyclictest2483645-21turbostat3
2106672992523,1cyclictest0-21swapper/33
2106672992017,1cyclictest0-21swapper/33
2106672991917,1cyclictest0-21swapper/33
2106672991816,1cyclictest0-21swapper/33
2106672991816,1cyclictest0-21swapper/33
2106672991815,1cyclictest0-21swapper/33
210667299181,13cyclictest2413032-21taskset3
2106672991715,1cyclictest0-21swapper/33
2106672991715,1cyclictest0-21swapper/33
2106672991715,1cyclictest0-21swapper/33
2106672991715,1cyclictest0-21swapper/33
2106672991714,1cyclictest0-21swapper/33
210667299171,12cyclictest2199672-21taskset3
2106672991614,1cyclictest0-21swapper/33
2106672991614,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
2106672991613,1cyclictest0-21swapper/33
210667299161,11cyclictest2173686-21taskset3
210667299161,11cyclictest2121919-21taskset3
23094272151,4sleep12309459-21apt-get1
210667299157,5cyclictest2496420-21turbostat3
2106672991513,1cyclictest0-21swapper/33
2106672991513,1cyclictest0-21swapper/33
2106672991513,1cyclictest0-21swapper/33
2106672991513,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
2106672991512,1cyclictest0-21swapper/33
24712182141,5sleep02471399-21grep0
22575882140,1sleep30-21swapper/33
210667299149,3cyclictest2343016-21chrt3
2106672991413,1cyclictest0-21swapper/33
2106672991413,0cyclictest0-21swapper/33
2106672991413,0cyclictest0-21swapper/33
2106672991413,0cyclictest0-21swapper/33
2106672991412,1cyclictest0-21swapper/33
2106672991412,1cyclictest0-21swapper/33
2106672991412,1cyclictest0-21swapper/33
2106672991412,1cyclictest0-21swapper/33
2106672991412,1cyclictest0-21swapper/33
2106672991411,1cyclictest0-21swapper/33
2106672991411,1cyclictest0-21swapper/33
210667299141,10cyclictest2470508-21taskset3
210667299141,10cyclictest2445163-21chrt3
301798130,9rtkit-daemon2113163-21munin-node2
210667299135,6cyclictest2295991-21sleep3
210667299131,9cyclictest2463514-21taskset3
2106672991312,0cyclictest0-21swapper/33
2106672991311,1cyclictest0-21swapper/33
2106672991311,1cyclictest0-21swapper/33
2106672991311,1cyclictest0-21swapper/33
2106672991310,1cyclictest0-21swapper/33
2106672991310,1cyclictest0-21swapper/33
2106672991310,1cyclictest0-21swapper/33
24515722121,3sleep02451605-21apt-get0
210667299121,8cyclictest2212454-21taskset3
2106672991210,1cyclictest0-21swapper/33
301798110,6rtkit-daemon2153473-21vmstat2
301798110,4rtkit-daemon2113163-21munin-node2
301798110,4rtkit-daemon2113163-21munin-node2
24380962116,3sleep02387034-21kworker/0:2+kacpi_notify0
24380962116,3sleep02387034-21kworker/0:2+kacpi_notify0
210667299119,1cyclictest0-21swapper/33
301798100,6rtkit-daemon2199369-21idleruntime-cro2
301798100,5rtkit-daemon2405484-21ntp_states2
301798100,3rtkit-daemon636-21snmpd2
25080582100,7sleep12508522-21grep1
24774732102,4sleep12477495-21apt-get1
24191232101,7sleep02412743-21cron0
22124682101,6sleep20-21swapper/22
21464792102,4sleep12146584-21python31
21218832101,4sleep22121916-21apt-get2
21001792101,5sleep12099897-21apt-get1
30179890,6rtkit-daemon317-21systemd-udevd2
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon2393724-21chrt2
30179890,4rtkit-daemon636-21snmpd2
30179890,4rtkit-daemon636-21snmpd2
30179890,4rtkit-daemon441-21rsyslogd2
30179890,4rtkit-daemon2334078-21/usr/sbin/munin2
30179890,4rtkit-daemon2222506-21cut2
30179890,4rtkit-daemon2117163-21cut2
30179890,4rtkit-daemon2113163-21munin-node2
30179890,3rtkit-daemon3200908-21packagekitd2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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