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2026-02-26 - 03:20
[ 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 100 highest latencies:
System rack0slot6s.osadl.org (updated Thu Feb 26, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35991292266259,4sleep190-21swapper/1919:06:1411
35991292266259,4sleep190-21swapper/1919:06:1411
35991322246239,4sleep10-21swapper/119:06:161
35991322246239,4sleep10-21swapper/119:06:161
35993772245225,12sleep170-21swapper/1719:09:139
35993772245225,12sleep170-21swapper/1719:09:139
35991412242234,5sleep80-21swapper/819:06:2318
35991412242234,5sleep80-21swapper/819:06:2318
35991102241221,12sleep60-21swapper/619:06:0116
35991102241221,12sleep60-21swapper/619:06:0116
35991242236229,4sleep150-21swapper/1519:06:107
35991242236229,4sleep150-21swapper/1519:06:107
35992432235215,13sleep120-21swapper/1219:07:284
35992432235215,13sleep120-21swapper/1219:07:284
35960272235216,12sleep180-21swapper/1819:05:1310
35960272235216,12sleep180-21swapper/1819:05:1310
35993602234216,11sleep20-21swapper/219:08:5812
35993602234216,11sleep20-21swapper/219:08:5812
35991952234214,13sleep50-21swapper/519:07:0015
35991952234214,13sleep50-21swapper/519:07:0015
35991172233214,12sleep100-21swapper/1019:06:052
35991172233214,12sleep100-21swapper/1019:06:052
35994162232213,12sleep70-21swapper/719:09:4317
35994162232213,12sleep70-21swapper/719:09:4317
35993722231193,12sleep140-21swapper/1419:09:106
35993722231193,12sleep140-21swapper/1419:09:106
35992562231212,12sleep40-21swapper/419:07:4014
35992562231212,12sleep40-21swapper/419:07:4014
35990482229208,13sleep00-21swapper/019:05:350
35990482229208,13sleep00-21swapper/019:05:350
35991212227207,12sleep130-21swapper/1319:06:085
35991212227207,12sleep130-21swapper/1319:06:085
35992472226206,12sleep160-21swapper/1619:07:328
35992472226206,12sleep160-21swapper/1619:07:328
35991742222202,12sleep90-21swapper/919:06:4419
35991742222202,12sleep90-21swapper/919:06:4419
35991652216201,8sleep30-21swapper/319:06:3813
35991652216201,8sleep30-21swapper/319:06:3813
35992422213194,12sleep110-21swapper/1119:07:273
35992422213194,12sleep110-21swapper/1119:07:273
359985499746,27cyclictest0-21swapper/1600:32:018
359985899586,30cyclictest0-21swapper/1721:17:029
359985899280,27cyclictest3602530-21ntpq19:10:189
359983499270,21cyclictest3602537-21ntpq19:10:182
359986199250,24cyclictest0-21swapper/1800:33:5810
359985199250,18cyclictest0-21swapper/1519:10:197
359986199241,2cyclictest472370-21CPU10
3599865992321,1cyclictest472370-21CPU11
3599865992220,1cyclictest472371-21CPU11
3599865992220,1cyclictest472370-21CPU11
3599841992210,11cyclictest472312-21qemu-system-x8623:49:594
3599816992211,11cyclictest0-21swapper/522:51:5915
3599803992218,4cyclictest0-21swapper/219:10:1912
3599865992119,1cyclictest0-21swapper/1920:22:4511
359986599210,20cyclictest0-21swapper/1923:45:1611
359985899210,1cyclictest0-21swapper/1700:30:039
3599851992115,6cyclictest0-21swapper/1500:30:037
3599831992119,1cyclictest472371-21CPU19
3599831992119,1cyclictest472370-21CPU19
359983199210,1cyclictest3851706-21ssh00:03:0019
3599827992118,0cyclictest0-21swapper/819:10:4118
359982799210,20cyclictest472371-21CPU18
359982799210,20cyclictest3874036-21ssh00:30:0318
3599803992116,4cyclictest0-21swapper/200:30:0312
3599865992020,0cyclictest0-21swapper/1900:37:5911
359986599200,20cyclictest0-21swapper/1900:03:5011
359986599200,19cyclictest0-21swapper/1920:11:4411
359986599200,19cyclictest0-21swapper/1919:10:1011
359986599200,0cyclictest0-21swapper/1920:17:4511
359986199200,0cyclictest0-21swapper/1819:10:0310
359985899209,11cyclictest0-21swapper/1722:39:599
359984899200,0cyclictest0-21swapper/1400:32:016
359983899201,18cyclictest472371-21CPU3
3599831992020,0cyclictest0-21swapper/922:05:1519
3599831992020,0cyclictest0-21swapper/919:10:0919
359983199200,20cyclictest0-21swapper/900:10:3419
359983199200,0cyclictest0-21swapper/922:10:1519
359983199200,0cyclictest0-21swapper/921:45:1419
3599821992018,1cyclictest0-21swapper/622:45:1616
359982199200,19cyclictest0-21swapper/619:11:2716
359980699200,19cyclictest0-21swapper/300:03:0013
359980699200,18cyclictest0-21swapper/321:45:1413
3599865991919,0cyclictest0-21swapper/1919:15:1611
359986599190,0cyclictest0-21swapper/1922:45:1611
359986199198,11cyclictest472312-21qemu-system-x8622:56:5910
3599861991919,0cyclictest0-21swapper/1800:35:1610
359986199190,1cyclictest7448-21qemu-system-x8623:53:5010
359986199190,18cyclictest0-21swapper/1822:29:4810
359986199190,18cyclictest0-21swapper/1822:29:4810
359986199190,18cyclictest0-21swapper/1821:30:1610
359986199190,18cyclictest0-21swapper/1800:23:5110
3599858991918,1cyclictest0-21swapper/1721:20:159
3599858991918,1cyclictest0-21swapper/1700:16:519
359985899190,18cyclictest0-21swapper/1721:45:149
359985499190,19cyclictest1711ktimers/1619:10:098
3599851991918,1cyclictest0-21swapper/1521:20:167
359984899190,19cyclictest0-21swapper/1421:30:166
359984899190,19cyclictest0-21swapper/1419:10:446
359984199190,19cyclictest2378-21snmpd19:11:044
3599834991913,5cyclictest0-21swapper/1000:30:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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