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2026-02-27 - 03:13
[ 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 Feb 26, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22745919918381,1833cyclictest29740172sleep33
22745919917320,1727cyclictest30080732sleep33
2274591999871,981cyclictest2280957-21sleep3
2274591999871,981cyclictest2280957-21sleep3
2274591993561,349cyclictest2554773-21turbostat3
268697223100,2sleep22686950-21cc12
253947121330,2sleep22539449-21cc12
293473521300,3sleep02934733-21cc10
264629321300,4sleep12646278-21cc11
299460621220,1sleep12994596-21cc11
301543021160,2sleep13015379-21cc11
241493221060,1sleep30-21swapper/33
266731321020,2sleep2421rcuc/22
29345562690,3sleep12934514-21cc11
2274591993532,1cyclictest0-21swapper/33
30053432302,11sleep13005319-21cc11
27248082271,6sleep02724827-21cc10
25978232271,9sleep02597792-21cc10
29955772241,8sleep22995593-21cc12
29485292241,8sleep22948544-21cc12
29004412240,1sleep30-21swapper/33
27378402242,7sleep12737791-21cc11
26751422241,6sleep02675165-21cc10
26566922242,6sleep02656680-21cc10
25872392241,7sleep02587259-21cc10
25521592242,7sleep02552133-21cc10
25297952242,9sleep02529772-21cc10
25251492231,8sleep12525158-21cc11
227459199231,18cyclictest2856791-21sleep3
227459199231,18cyclictest2746033-21taskset3
29847272221,7sleep02984748-21cc10
29219342221,11sleep22921927-21cc12
27880282221,7sleep22788036-21cc12
27461722221,6sleep12746185-21cc11
26236842221,7sleep12623724-21cc11
227459199226,12cyclictest2486692-21taskset3
227459199222,16cyclictest3003196-21taskset3
227459199221,17cyclictest2888375-21taskset3
227459199221,17cyclictest2656285-21taskset3
227459199221,17cyclictest2612549-21sleep3
29590032211,8sleep22959042-21cc12
27935282211,11sleep12793512-21cc11
27713122211,6sleep02771320-21cc10
27174462211,10sleep12717445-21cc11
26748622211,16sleep12674861-21cc11
26585162211,7sleep22658531-21cc12
25112202212,15sleep02511229-21cc10
24512022211,8sleep12451211-21cc11
24433082211,8sleep22443167-21cc12
227459199217,11cyclictest29499222sleep33
227459199216,12cyclictest2934909-21taskset3
227459199211,16cyclictest2991984-21taskset3
227459199211,16cyclictest2972614-21taskset3
227459199211,16cyclictest2874623-21taskset3
227459199211,16cyclictest2703794-21sleep3
227459199211,16cyclictest2464168-21taskset3
227459199211,15cyclictest2436193-21taskset3
29849282201,8sleep12984931-21cc11
29569612201,6sleep02956973-21cc10
27157972201,15sleep22715822-21cc12
27017162202,7sleep12701714-21cc11
24160022202,14sleep02416025-21cc10
227459199206,10cyclictest29120762sleep33
227459199206,10cyclictest27729872sleep33
227459199205,11cyclictest2727022-21taskset3
227459199201,16cyclictest2788986-21taskset3
227459199201,16cyclictest2690141-21sleep3
227459199201,16cyclictest2572942-21taskset3
227459199201,15cyclictest2633285-21taskset3
227459199201,15cyclictest2597200-21taskset3
227459199201,15cyclictest2550310-21taskset3
227459199201,15cyclictest2526790-21taskset3
227459199201,15cyclictest2511793-21taskset3
227459199201,14cyclictest27308672sleep33
227459199201,14cyclictest2636990-21taskset3
30160482191,14sleep03016046-21cc10
29963042191,7sleep22996280-21cc12
29121452191,9sleep02912081-21/usr/sbin/munin0
29100322191,6sleep02909991-21cc10
28659782191,5sleep22865976-21genksyms2
28657702192,7sleep12865782-21cc11
27600252191,6sleep02760063-21cc10
27380372191,14sleep22738036-21cc12
27149752190,1sleep02715004-21cc10
26900652192,13sleep12690045-21cc11
26576142191,14sleep12657621-21cc11
26362772191,7sleep22636252-21cc12
26222702192,13sleep22622248-21cc12
26081242192,13sleep12608123-21cc11
24735602191,6sleep12473571-21cc11
227459199195,11cyclictest2945898-21taskset3
227459199191,15cyclictest2684873-21taskset3
227459199191,15cyclictest2670905-21taskset3
227459199191,15cyclictest2499193-21taskset3
227459199191,14cyclictest2608106-21taskset3
227459199191,14cyclictest2536488-21taskset3
227459199191,14cyclictest24539922sleep33
227459199191,14cyclictest2334596-21taskset3
29817512181,6sleep22981760-21cc12
29468262181,12sleep12946786-21cc11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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