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2026-02-24 - 04:14
[ 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 Tue Feb 24, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2334799290,2cyclictest23771-21apt-get00:20:013
2334799280,23cyclictest16612-21diskmemload22:32:523
2334799280,23cyclictest0-21swapper/323:53:053
2334799280,1cyclictest0-21swapper/323:00:013
23347992722,4cyclictest16612-21diskmemload00:07:323
23347992721,5cyclictest23413-21ssh22:16:183
2334799270,26cyclictest0-21swapper/321:15:323
2334799270,1cyclictest7979-21ssh21:31:053
2334799270,0cyclictest0-21swapper/300:11:253
23347992621,4cyclictest0-21swapper/321:57:193
2334799260,26cyclictest0-21swapper/323:58:193
2334799260,25cyclictest0-21swapper/323:39:223
2334799260,22cyclictest16612-21diskmemload23:27:203
2334799260,1cyclictest12474-21vmstat22:05:373
2334799260,1cyclictest0-21swapper/300:33:533
23342992621,4cyclictest0-21swapper/200:15:312
23347992520,4cyclictest16612-21diskmemload21:11:423
23347992520,4cyclictest0-21swapper/321:27:273
23347992520,4cyclictest0-21swapper/300:38:183
23347992519,5cyclictest31013-21ssh21:53:333
2334799250,24cyclictest0-21swapper/323:32:033
2334799250,24cyclictest0-21swapper/322:48:373
2334799250,24cyclictest0-21swapper/322:23:543
2334799250,24cyclictest0-21swapper/321:35:063
2334799250,21cyclictest16612-21diskmemload23:07:023
2334799250,21cyclictest0-21swapper/323:48:533
2334799250,21cyclictest0-21swapper/321:23:573
2334799250,20cyclictest0-21swapper/323:19:463
2334799250,1cyclictest0-21swapper/322:00:263
2334799250,0cyclictest16612-21diskmemload23:02:493
2334799250,0cyclictest0-21swapper/322:43:513
23342992520,4cyclictest0-21swapper/222:34:092
2334299250,24cyclictest16612-21diskmemload22:25:312
2334099250,24cyclictest16612-21diskmemload22:01:230
23347992421,3cyclictest0-21swapper/321:49:433
23347992420,3cyclictest16612-21diskmemload22:28:253
2334799240,24cyclictest0-21swapper/300:27:133
2334799240,23cyclictest0-21swapper/323:11:303
2334799240,23cyclictest0-21swapper/322:10:143
2334799240,20cyclictest0-21swapper/323:22:303
2334799240,1cyclictest0-21swapper/323:41:363
2334799240,0cyclictest0-21swapper/300:02:193
23342992424,0cyclictest0-21swapper/221:57:232
23342992422,1cyclictest30422-21sh21:22:032
23342992422,1cyclictest0-21swapper/222:48:252
23342992419,4cyclictest0-21swapper/223:29:422
2334299240,3cyclictest0-21swapper/223:53:522
2334299240,24cyclictest0-21swapper/221:50:432
2334299240,24cyclictest0-21swapper/200:21:452
2334299240,23cyclictest16612-21diskmemload00:11:152
2334299240,23cyclictest10541-21rm00:05:492
2334299240,23cyclictest0-21swapper/223:56:572
23341992424,0cyclictest0-21swapper/122:01:341
23341992423,0cyclictest0-21swapper/123:51:331
23341992422,1cyclictest13284-21grep00:10:001
2334199240,2cyclictest313-21systemd-journal19:15:001
2334199240,24cyclictest0-21swapper/123:58:411
2334199240,24cyclictest0-21swapper/100:21:121
2334199240,23cyclictest22830-21ssh23:16:091
2334199240,23cyclictest0-21swapper/121:22:511
2334199240,1cyclictest7837-21ssh00:34:091
2334199240,0cyclictest16612-21diskmemload22:37:131
2334199240,0cyclictest16612-21diskmemload00:38:521
2334199240,0cyclictest0-21swapper/122:22:241
23340992424,0cyclictest16612-21diskmemload22:43:200
23340992423,1cyclictest32632-21sh23:56:150
23340992422,1cyclictest11296-21rm00:36:490
23340992422,1cyclictest0-21swapper/021:30:310
23340992421,2cyclictest0-21swapper/021:40:010
2334099240,24cyclictest0-21swapper/022:33:030
2334099240,24cyclictest0-21swapper/021:35:200
2334099240,23cyclictest19710-21ssh22:13:370
2334099240,23cyclictest16612-21diskmemload23:06:200
2334099240,23cyclictest0-21swapper/000:06:350
23347992323,0cyclictest0-21swapper/321:43:233
23347992319,3cyclictest0-21swapper/322:35:053
2334799230,22cyclictest28094-21diskmemload00:22:543
2334799230,20cyclictest0-21swapper/322:50:373
2334799230,1cyclictest0-21swapper/319:25:253
23342992323,0cyclictest16612-21diskmemload22:02:112
23342992323,0cyclictest0-21swapper/223:37:332
23342992321,1cyclictest19838-21ssh23:14:412
23342992321,1cyclictest0-21swapper/223:07:552
23342992321,1cyclictest0-21swapper/200:27:202
23342992320,2cyclictest28818-21ssh22:51:292
23342992320,2cyclictest13292-21rm22:06:512
2334299230,23cyclictest0-21swapper/222:56:122
2334299230,23cyclictest0-21swapper/221:39:002
2334299230,23cyclictest0-21swapper/200:30:402
2334299230,22cyclictest8251-21ssh23:02:592
2334299230,22cyclictest2922-21ssh21:26:322
2334299230,22cyclictest28121-21ssh23:21:092
2334299230,22cyclictest23067-21ssh21:45:302
2334299230,22cyclictest10064-21sh22:35:112
2334299230,22cyclictest0-21swapper/222:40:192
2334299230,22cyclictest0-21swapper/221:40:102
2334299230,1cyclictest16612-21diskmemload23:48:322
2334299230,1cyclictest16612-21diskmemload23:15:202
2334299230,1cyclictest10502-21sed00:35:392
2334299230,0cyclictest16612-21diskmemload22:19:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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