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2026-01-29 - 13:51
[ 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 Thu Jan 29, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25569309911730,1169cyclictest2967462-21sleep3
25569309911691,1164cyclictest25855222sleep33
2556930994361,432cyclictest2857256-21turbostat3
2556930991621,158cyclictest2688970-21turbostat3
2556930992816,1cyclictest0-21swapper/33
2556930992724,1cyclictest0-21swapper/33
2556930992320,1cyclictest0-21swapper/33
2556930991714,1cyclictest0-21swapper/33
255693099171,13cyclictest2714995-21turbostat3
255693099171,12cyclictest2578859-21turbostat3
2556930991613,1cyclictest0-21swapper/33
255693099161,12cyclictest2747437-21turbostat3
255693099161,11cyclictest2902716-21taskset3
255693099161,11cyclictest2802588-21taskset3
2556930991610,3cyclictest0-21swapper/33
2556930991513,1cyclictest0-21swapper/33
2556930991513,0cyclictest0-21swapper/33
2556930991513,0cyclictest0-21swapper/33
2556930991512,1cyclictest0-21swapper/33
2556930991512,1cyclictest0-21swapper/33
2556930991512,1cyclictest0-21swapper/33
2556930991512,1cyclictest0-21swapper/33
255693099151,10cyclictest28704232sleep33
255693099151,10cyclictest2831484-21turbostat3
255693099151,10cyclictest2663183-21turbostat3
255693099141,9cyclictest26311812sleep33
255693099141,5cyclictest2754150-21turbostat3
255693099141,5cyclictest2754150-21turbostat3
2556930991413,0cyclictest0-21swapper/33
2556930991413,0cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991412,1cyclictest0-21swapper/33
2556930991411,1cyclictest0-21swapper/33
2556930991411,1cyclictest0-21swapper/33
2556930991411,1cyclictest0-21swapper/33
2556930991411,1cyclictest0-21swapper/33
255693099141,10cyclictest2850865-21taskset3
255693099141,10cyclictest2740255-21chrt3
255693099141,10cyclictest2715262-21taskset3
255693099141,10cyclictest2689241-21taskset3
255693099141,10cyclictest2591960-21taskset3
255693099140,11cyclictest2922554-21taskset3
25790942132,7sleep12579127-21apt-get1
255693099137,4cyclictest2766369-21taskset3
255693099131,9cyclictest2928991-21taskset3
255693099131,9cyclictest2822296-21taskset3
255693099131,9cyclictest2638582-21taskset3
255693099131,8cyclictest28124102sleep33
255693099131,10cyclictest2915854-21taskset3
255693099131,10cyclictest2915854-21taskset3
2556930991311,0cyclictest0-21swapper/33
2556930991311,0cyclictest0-21swapper/33
2556930991310,1cyclictest0-21swapper/33
255693099130,10cyclictest2760521-21chrt3
255693099130,10cyclictest2727747-21chrt3
255693099130,10cyclictest2655593-21taskset3
301798120,6rtkit-daemon448-21wpa_supplicant0
27277832121,8sleep22727784-21sshd2
25633622121,7sleep02563801-21sed0
255693099129,1cyclictest0-21swapper/33
255693099124,6cyclictest29744812sleep33
255693099121,8cyclictest2943237-21chrt3
255693099121,8cyclictest2837586-21taskset3
255693099121,8cyclictest2728333-21taskset3
255693099121,8cyclictest2630000-21taskset3
255693099120,9cyclictest2773701-21taskset3
255693099120,10cyclictest2610753-21chrt3
301798110,8rtkit-daemon376-21hwrng1
301798110,8rtkit-daemon376-21hwrng1
301798110,2rtkit-daemon3715444-21kworker/0:1+kacpid0
301798110,2rtkit-daemon2968930-21irqrtprio1
28192352111,2sleep02819325-21ps0
27501412111,7sleep12752211-21cut1
27501412111,7sleep12752211-21cut1
301798100,6rtkit-daemon2844372-21/usr/sbin/munin1
301798100,5rtkit-daemon2767037-21munin-run0
301798100,5rtkit-daemon2751127-21cut0
301798100,5rtkit-daemon2751127-21cut0
301798100,5rtkit-daemon2611096-21munin-run0
301798100,3rtkit-daemon3205-21sendmail-mta1
301798100,3rtkit-daemon2563578-21munin-node0
29679862101,6sleep02968142-21diskstats0
28524812101,6sleep22854129-21cut2
27737082102,4sleep02773741-21apt-get0
27545812101,6sleep22754625-21fschecks_count2
27442472102,6sleep22746264-21kthreadcore2
27347772100,2sleep02734810-21apt-get0
26892052101,5sleep22689238-21apt-get2
26803182101,7sleep02681459-21/usr/sbin/munin0
26772932100,2sleep22678266-21kthreadcore2
30179890,5rtkit-daemon636-21snmpd0
30179890,5rtkit-daemon2833227-21kthreadcore1
30179890,4rtkit-daemon2721456-21pluginstate0
30179890,4rtkit-daemon2655826-21/usr/sbin/munin0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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