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2026-02-21 - 19:46
[ 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 Sat Feb 21, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3963324995950,591cyclictest105402chrt3
3963324991815,1cyclictest0-21swapper/33
3963324991815,1cyclictest0-21swapper/33
3963324991714,1cyclictest0-21swapper/33
3963324991614,0cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
3963324991613,1cyclictest0-21swapper/33
396332499161,12cyclictest81534-21turbostat3
3963324991513,0cyclictest0-21swapper/33
3963324991513,0cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
3963324991512,1cyclictest0-21swapper/33
396332499151,11cyclictest4191091-21turbostat3
396332499151,10cyclictest9461-21taskset3
396332499151,10cyclictest41785102sleep33
1404982156,6sleep0141369-21sed0
455492141,10sleep30-21swapper/33
41523552141,10sleep04152735-21apt-config0
396332499144,7cyclictest29565-21taskset3
396332499141,9cyclictest81804-21chrt3
396332499141,9cyclictest40945792sleep33
3963324991412,1cyclictest0-21swapper/33
3963324991412,1cyclictest0-21swapper/33
3963324991412,1cyclictest0-21swapper/33
3963324991412,0cyclictest0-21swapper/33
3963324991412,0cyclictest0-21swapper/33
3963324991412,0cyclictest0-21swapper/33
396332499141,11cyclictest3978300-21turbostat3
3963324991411,1cyclictest0-21swapper/33
3963324991411,1cyclictest0-21swapper/33
3963324991411,1cyclictest0-21swapper/33
396332499141,10cyclictest4061944-21taskset3
396332499141,10cyclictest4016715-21chrt3
3963324991410,1cyclictest0-21swapper/33
396332499140,11cyclictest4146184-21taskset3
41007342130,1sleep30-21swapper/33
40190152130,3sleep2421rcuc/22
39911322131,9sleep13991136-21cron1
39690032131,9sleep23969132-21sed2
396332499134,7cyclictest146209-21taskset3
396332499131,9cyclictest3984436-21chrt3
396332499131,9cyclictest126764-21turbostat3
3963324991312,0cyclictest0-21swapper/33
3963324991311,1cyclictest0-21swapper/33
3963324991311,1cyclictest0-21swapper/33
3963324991311,1cyclictest0-21swapper/33
3963324991311,0cyclictest0-21swapper/33
3963324991310,1cyclictest0-21swapper/33
3963324991310,1cyclictest0-21swapper/33
3963324991310,1cyclictest0-21swapper/33
396332499130,10cyclictest4172077-21taskset3
396332499130,10cyclictest4003726-21chrt3
1020282131,3sleep1102958-21grep1
41077682120,9sleep24107881-21diskstats2
396332499121,9cyclictest4022643-21taskset3
396332499121,9cyclictest23244-21taskset3
396332499121,9cyclictest171658-21taskset3
396332499121,9cyclictest158440-21taskset3
3963324991210,1cyclictest0-21swapper/33
3963324991210,1cyclictest0-21swapper/33
3963324991210,0cyclictest0-21swapper/33
396332499120,9cyclictest4030078-21taskset3
301798120,4rtkit-daemon492-21gmain2
869772112,2sleep2171rcu_preempt2
751232110,3sleep075167-21munin-run0
40303352111,7sleep24030524-21/usr/sbin/munin2
396332499119,1cyclictest0-21swapper/33
1967912111,7sleep1196915-21sed1
39943042100,1sleep00-21swapper/00
301798100,6rtkit-daemon636-21snmpd2
301798100,5rtkit-daemon4167154-21irqstats1
301798100,5rtkit-daemon413-21rpcbind2
301798100,5rtkit-daemon172331-21df_inode1
1530102101,5sleep1153118-21diskstats1
1071832101,6sleep0107317-21apt-key0
81955291,5sleep082050-21cut0
43257291,5sleep243400-21df2
4120236291,5sleep04120393-21cat0
4036931291,5sleep14037132-21smartctl1
3957068290,4sleep20-21swapper/22
30179890,5rtkit-daemon3969885-21munin-node1
30179890,5rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon3205-21sendmail-mta1
30179890,5rtkit-daemon115298-21irqrtprio1
30179890,4rtkit-daemon44678-21irqstats1
30179890,4rtkit-daemon4155906-21grep1
30179890,4rtkit-daemon4139483-21taskset2
30179890,4rtkit-daemon4139483-21taskset2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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