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2026-02-01 - 11:12
[ 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 01, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15385742141103,18sleep60-21swapper/619:05:366
15386732130101,9sleep20-21swapper/219:07:012
15387142127113,9sleep50-21swapper/519:07:365
15386342124108,10sleep10-21swapper/119:06:281
15386742123107,10sleep30-21swapper/319:07:033
15386692122108,9sleep70-21swapper/719:06:577
15386712121107,9sleep00-21swapper/019:06:580
15385902120105,10sleep40-21swapper/419:05:504
1539126991020,100cyclictest0-21swapper/719:35:247
153910099102100,2cyclictest2579219-21snmpd21:58:500
1539100991020,100cyclictest0-21swapper/022:06:120
15391269910199,2cyclictest0-21swapper/722:17:457
1539126991010,99cyclictest0-21swapper/723:22:357
1539126991010,99cyclictest0-21swapper/719:33:217
1539126991010,101cyclictest0-21swapper/722:33:277
1539126991010,100cyclictest0-21swapper/700:23:257
1539126991010,0cyclictest0-21swapper/721:30:587
15391199910199,2cyclictest2579219-21snmpd23:14:425
15391199910199,1cyclictest2579219-21snmpd23:05:045
1539119991010,100cyclictest0-21swapper/523:31:115
1539119991010,100cyclictest0-21swapper/522:40:165
15391109910199,2cyclictest2579219-21snmpd23:54:193
15391109910199,2cyclictest2579219-21snmpd21:53:113
15391109910199,2cyclictest2579219-21snmpd21:43:473
15391109910199,2cyclictest2579219-21snmpd00:14:343
15391109910198,3cyclictest2579219-21snmpd21:27:343
15391109910198,3cyclictest2579219-21snmpd20:32:233
15391079910199,2cyclictest2579219-21snmpd23:37:302
15391079910199,2cyclictest2579219-21snmpd22:52:162
15391079910199,2cyclictest2579219-21snmpd22:17:542
15391079910199,2cyclictest2579219-21snmpd21:24:342
15391049910199,2cyclictest9431-21ntpd22:36:191
15391049910198,2cyclictest2579219-21snmpd22:26:511
15391009910199,2cyclictest2579219-21snmpd23:24:540
1539100991010,99cyclictest0-21swapper/020:51:170
1539100991010,101cyclictest0-21swapper/021:49:350
1539100991010,101cyclictest0-21swapper/000:39:270
1539100991010,100cyclictest0-21swapper/021:37:530
1539100991010,100cyclictest0-21swapper/019:52:460
1539126991000,99cyclictest0-21swapper/721:42:377
1539126991000,99cyclictest0-21swapper/721:25:297
1539126991000,99cyclictest0-21swapper/720:39:547
1539126991000,100cyclictest0-21swapper/723:06:057
1539126991000,100cyclictest0-21swapper/719:48:137
1539126991000,0cyclictest0-21swapper/720:34:357
1539126991000,0cyclictest0-21swapper/719:56:277
15391229910099,1cyclictest2579219-21snmpd23:05:326
15391229910099,1cyclictest2579219-21snmpd22:25:106
15391229910099,1cyclictest2579219-21snmpd21:06:036
15391229910099,1cyclictest2579219-21snmpd19:42:436
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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