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2026-01-27 - 07:18
[ 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 #0, slot #6

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 50 highest latencies:
System rack0slot6s.osadl.org (updated Tue Jan 27, 2026 00:46:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415912799668,36cyclictest0-21swapper/622:52:4116
415540225746,7sleep60-21swapper/619:05:0116
415863324837,6sleep130-21swapper/1319:08:495
415853124843,3sleep30-21swapper/319:07:3913
415737624641,3sleep40-21swapper/419:05:1914
415846724540,3sleep20-21swapper/219:06:5912
415540724440,2sleep70-21swapper/719:05:0217
175698440,41rtkit-daemon0-21swapper/119:05:071
415872824340,2sleep50-21swapper/519:09:4115
415856924341,1sleep90-21swapper/919:08:0619
415837224237,3sleep80-21swapper/819:06:0318
4159131994120,21cyclictest0-21swapper/719:37:4217
415870324136,3sleep150-21swapper/1519:09:317
415870524035,3sleep170-21swapper/1719:09:339
415863024034,3sleep100-21swapper/1019:08:472
415852224035,3sleep160-21swapper/1619:07:328
415638924028,3sleep190-21swapper/1919:05:1511
2350422390,0sleep00-21swapper/000:25:020
194899380,31ntpd0-21swapper/019:05:190
415870623732,3sleep180-21swapper/1819:09:3510
415845523631,3sleep120-21swapper/1219:06:484
415839623530,3sleep140-21swapper/1419:06:096
415916799340,33cyclictest46409-21perl20:40:5911
415915399340,33cyclictest326420-21CPU6
415915399340,33cyclictest326420-21CPU6
4159127993433,1cyclictest326418-21CPU16
415911699340,33cyclictest0-21swapper/321:23:5813
415915399330,0cyclictest0-21swapper/1421:01:596
4159131993331,1cyclictest326418-21CPU17
415839223328,3sleep110-21swapper/1119:06:073
4159151993232,0cyclictest0-21swapper/1320:29:595
4159122993221,10cyclictest3386009-21Xorg20:39:0515
415911399320,31cyclictest4163167-40tracker-miner-f19:14:591
415911399320,31cyclictest4158712-40tracker-miner-f19:09:591
4159153993131,0cyclictest0-21swapper/1420:26:596
415911499310,30cyclictest0-21swapper/223:30:5912
415910999310,30cyclictest191013-40tracker-miner-f23:30:580
4159153993028,1cyclictest326418-21CPU6
415914599300,1cyclictest238453-40tracker-miner-f00:29:593
415914099300,22cyclictest226553-40tracker-miner-f00:15:1719
415914099300,22cyclictest226553-40tracker-miner-f00:15:1619
4159131993029,1cyclictest0-21swapper/720:41:0017
1093552300,0sleep120-21swapper/1221:55:224
4159162992929,0cyclictest0-21swapper/1700:06:599
4159162992929,0cyclictest0-21swapper/1700:06:589
4159153992929,0cyclictest0-21swapper/1423:16:586
415912299290,29cyclictest0-21swapper/523:49:5815
4159165992827,0cyclictest0-21swapper/1821:23:5910
4159151992828,0cyclictest0-21swapper/1320:14:595
4159151992826,1cyclictest326420-21CPU5
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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