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2026-01-25 - 08:51
[ 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 #5

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 rackeslot5s.osadl.org (updated Sun Jan 25, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2734199250,1cyclictest10098-21sh23:30:373
27336992523,1cyclictest0-21swapper/223:23:092
27336992523,1cyclictest0-21swapper/223:10:372
27336992521,4cyclictest0-21swapper/221:45:122
27333992523,1cyclictest15011-21sh22:04:351
27333992522,2cyclictest26604-21ssh22:15:011
2733399250,24cyclictest0-21swapper/123:40:431
2733099253,1cyclictest62550irq/127-eno123:13:480
2733099250,24cyclictest5542-21sh21:55:550
2733099250,24cyclictest0-21swapper/023:44:370
27341992423,1cyclictest0-21swapper/323:54:483
27341992421,2cyclictest26116-21cron20:15:013
2734199241,2cyclictest18634-21ntp_states21:37:583
2734199241,22cyclictest783-21snmpd22:03:503
2734199240,23cyclictest20975-21diskmemload22:41:283
2734199240,21cyclictest0-21swapper/300:30:063
2734199240,1cyclictest3698-21ssh22:54:223
2734199240,0cyclictest20975-21diskmemload21:16:103
27336992424,0cyclictest0-21swapper/221:10:192
27336992419,4cyclictest0-21swapper/223:53:502
2733699240,23cyclictest20975-21diskmemload22:34:352
2733699240,23cyclictest20975-21diskmemload21:21:502
2733699240,23cyclictest0-21swapper/222:43:032
2733699240,1cyclictest20975-21diskmemload23:35:182
2733699240,1cyclictest0-21swapper/223:06:302
2733699240,1cyclictest0-21swapper/222:59:272
2733699240,0cyclictest20975-21diskmemload22:26:282
2733699240,0cyclictest20975-21diskmemload22:06:192
27333992423,1cyclictest20975-21diskmemload23:50:411
27333992423,1cyclictest20975-21diskmemload21:34:011
27333992423,1cyclictest20975-21diskmemload21:34:011
27333992422,1cyclictest20992-21munin-run22:10:011
2733399240,24cyclictest0-21swapper/122:31:051
2733399240,24cyclictest0-21swapper/100:12:291
2733399240,24cyclictest0-21swapper/100:01:261
2733399240,23cyclictest8492-21ssh23:58:341
2733399240,23cyclictest22860-21apt-get21:42:521
2733399240,23cyclictest20975-21diskmemload22:47:401
2733399240,23cyclictest10720-21ssh23:01:301
2733399240,1cyclictest20530-21munin-run22:40:011
2733399240,1cyclictest16299-21sh23:06:201
2733399240,0cyclictest20975-21diskmemload21:16:451
2733399240,0cyclictest0-21swapper/121:58:001
27330992423,1cyclictest6132-21ssh23:57:410
27330992423,1cyclictest0-21swapper/023:50:260
27330992421,2cyclictest4515-21ssh21:24:420
27330992421,2cyclictest15041-21ssh22:34:350
2733099240,24cyclictest0-21swapper/023:26:150
2733099240,24cyclictest0-21swapper/022:00:140
2733099240,23cyclictest20975-21diskmemload23:18:320
2733099240,23cyclictest20967-21sh00:10:570
2733099240,23cyclictest0-21swapper/023:02:100
2733099240,23cyclictest0-21swapper/022:07:530
2733099240,23cyclictest0-21swapper/021:17:350
27341992323,0cyclictest20975-21diskmemload22:45:253
27341992323,0cyclictest20975-21diskmemload00:04:033
27341992323,0cyclictest0-21swapper/323:42:073
27341992323,0cyclictest0-21swapper/323:26:013
27341992323,0cyclictest0-21swapper/323:13:533
27341992323,0cyclictest0-21swapper/323:02:043
27341992323,0cyclictest0-21swapper/322:58:583
27341992323,0cyclictest0-21swapper/321:45:133
27341992323,0cyclictest0-21swapper/321:43:383
27341992323,0cyclictest0-21swapper/321:22:343
27341992323,0cyclictest0-21swapper/321:12:173
27341992322,0cyclictest0-21swapper/321:55:423
27341992321,1cyclictest16983-21apt-get00:07:543
27341992321,1cyclictest0-21swapper/320:40:013
2734199230,2cyclictest26476-21ssh23:15:303
2734199230,23cyclictest20975-21diskmemload23:07:233
2734199230,23cyclictest0-21swapper/300:18:303
2734199230,23cyclictest0-21swapper/300:10:313
2734199230,22cyclictest30718-21diskmemload23:49:283
2734199230,22cyclictest21406-21ssh22:10:133
2734199230,22cyclictest20975-21diskmemload21:28:153
2734199230,22cyclictest14661-21ssh00:35:333
2734199230,0cyclictest0-21swapper/323:20:033
2734199230,0cyclictest0-21swapper/322:35:163
2734199230,0cyclictest0-21swapper/321:53:073
27336992323,0cyclictest0-21swapper/221:17:212
27336992323,0cyclictest0-21swapper/200:29:202
27336992322,1cyclictest11392-21ssh00:02:282
27336992321,2cyclictest20975-21diskmemload22:47:482
27336992321,1cyclictest0-21swapper/223:57:352
27336992321,1cyclictest0-21swapper/223:15:012
27336992321,1cyclictest0-21swapper/222:10:022
2733699230,2cyclictest25832-21ssh00:15:192
2733699230,22cyclictest9344-21perf19:40:002
2733699230,22cyclictest25460-21apt-get23:45:022
2733699230,22cyclictest21350-21cat20:05:012
2733699230,22cyclictest20975-21diskmemload00:11:552
2733699230,22cyclictest20506-21tr22:40:012
2733699230,22cyclictest10765-21ssh23:01:332
2733699230,22cyclictest10285-21date22:00:012
2733699230,22cyclictest0-21swapper/222:16:482
2733699230,1cyclictest0-21swapper/223:33:392
2733699230,0cyclictest0-21swapper/223:25:352
2733699230,0cyclictest0-21swapper/221:53:182
2733699230,0cyclictest0-21swapper/200:35:022
27333992323,0cyclictest0-21swapper/123:16:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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