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2026-02-08 - 14:59
[ 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 #b, 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 50 highest latencies:
System rackbslot8s (updated Sun Feb 08, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28869402154146,5sleep70-21swapper/707:07:367
28868452131117,9sleep60-21swapper/607:06:156
28868872130101,9sleep10-21swapper/107:06:511
28868042129115,9sleep20-21swapper/207:05:402
28869562126111,9sleep50-21swapper/507:07:525
28870432122108,9sleep00-21swapper/007:09:070
28869082121107,9sleep40-21swapper/407:07:104
28870102118103,10sleep30-21swapper/307:08:383
288735299103100,2cyclictest2579219-21snmpd11:13:144
2887360991020,99cyclictest0-21swapper/611:44:036
28873579910299,3cyclictest2579219-21snmpd12:29:385
28873529910299,3cyclictest2579219-21snmpd09:51:174
2887352991020,102cyclictest0-21swapper/409:18:524
2887352991020,102cyclictest0-21swapper/409:18:524
28873509910299,3cyclictest2579219-21snmpd12:28:023
28873509910299,3cyclictest2579219-21snmpd08:49:053
28873509910299,3cyclictest2579219-21snmpd08:33:333
2887346991020,100cyclictest0-21swapper/210:08:482
2887365991010,100cyclictest0-21swapper/710:37:377
28873609910199,2cyclictest2579219-21snmpd10:25:146
2887360991010,100cyclictest0-21swapper/610:50:166
2887360991010,100cyclictest0-21swapper/608:52:596
2887360991010,100cyclictest0-21swapper/607:30:546
2887360991010,0cyclictest0-21swapper/610:46:556
28873579910199,2cyclictest2579219-21snmpd12:10:105
2887357991010,101cyclictest0-21swapper/512:34:115
2887357991010,101cyclictest0-21swapper/511:20:235
2887357991010,101cyclictest0-21swapper/510:37:315
2887357991010,100cyclictest0-21swapper/509:26:195
2887352991010,100cyclictest0-21swapper/411:06:354
2887352991010,100cyclictest0-21swapper/409:09:554
28873509910199,2cyclictest2579219-21snmpd12:12:313
28873509910199,2cyclictest2579219-21snmpd10:31:063
28873509910199,2cyclictest2579219-21snmpd10:09:303
28873509910199,2cyclictest2579219-21snmpd09:12:283
28873509910199,2cyclictest2579219-21snmpd09:12:273
28873509910198,3cyclictest2579219-21snmpd11:37:513
28873469910199,2cyclictest2579219-21snmpd09:13:012
28873469910199,2cyclictest2579219-21snmpd09:13:012
2887346991010,99cyclictest0-21swapper/211:01:532
2887341991010,100cyclictest0-21swapper/111:37:001
2887341991010,100cyclictest0-21swapper/109:00:151
2887365991000,99cyclictest0-21swapper/712:23:027
2887365991000,99cyclictest0-21swapper/712:14:047
2887365991000,99cyclictest0-21swapper/711:31:297
2887365991000,99cyclictest0-21swapper/710:50:107
2887365991000,99cyclictest0-21swapper/710:23:517
2887365991000,99cyclictest0-21swapper/710:05:247
2887365991000,99cyclictest0-21swapper/710:00:407
2887365991000,99cyclictest0-21swapper/709:27:347
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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