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2026-02-27 - 01:46
[ 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 Thu Feb 26, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3897993022,4cyclictest30049-21diskmemload10:06:410
389799270,22cyclictest30049-21diskmemload09:33:060
389799270,0cyclictest0-21swapper/009:43:350
389799270,0cyclictest0-21swapper/009:28:130
389799260,22cyclictest0-21swapper/012:39:330
389799260,1cyclictest0-21swapper/011:46:040
389799260,0cyclictest0-21swapper/011:42:560
391199250,24cyclictest30049-21diskmemload10:27:333
3903992520,4cyclictest31036-21ssh10:42:092
390399250,24cyclictest31645-21ssh10:11:412
390399250,1cyclictest30074-21ssh12:14:352
390199250,24cyclictest30049-21diskmemload10:10:571
3897992523,2cyclictest0-21swapper/010:22:030
3897992521,3cyclictest0-21swapper/009:20:560
3897992520,5cyclictest0-21swapper/007:45:380
3897992520,4cyclictest3887-21/usr/sbin/munin12:20:400
389799250,24cyclictest0-21swapper/011:37:090
389799250,24cyclictest0-21swapper/011:20:590
389799250,24cyclictest0-21swapper/010:59:270
389799250,21cyclictest3229-21ssh10:46:180
389799250,21cyclictest0-21swapper/009:57:170
389799250,1cyclictest14560-21sh10:26:070
3911992422,1cyclictest12709-21apt-config09:55:013
3911992421,2cyclictest23265-21ssh11:36:183
391199240,24cyclictest0-21swapper/310:15:343
391199240,23cyclictest30049-21diskmemload11:17:033
391199240,23cyclictest30049-21diskmemload09:41:123
391199240,23cyclictest0-21swapper/310:12:103
3903992422,1cyclictest21706-21sh11:05:092
3903992422,1cyclictest0-21swapper/210:55:472
3903992420,4cyclictest0-21swapper/211:16:442
390399240,24cyclictest30049-21diskmemload10:26:062
390399240,23cyclictest6349-21ssh11:51:042
390399240,23cyclictest30049-21diskmemload11:35:332
390399240,23cyclictest30049-21diskmemload09:37:552
390399240,0cyclictest0-21swapper/210:50:382
3901992424,0cyclictest0-21swapper/111:35:401
3901992424,0cyclictest0-21swapper/110:30:261
3901992423,1cyclictest0-21swapper/110:52:541
3901992421,2cyclictest7684-21ssh09:50:221
390199240,23cyclictest4316-21ssh11:50:381
390199240,23cyclictest30525-21ssh11:44:191
390199240,23cyclictest30049-21diskmemload12:16:291
390199240,23cyclictest23856-21apt09:35:001
390199240,23cyclictest17949-21ssh12:02:021
390199240,1cyclictest31567-21apt-get11:45:381
390199240,1cyclictest30049-21diskmemload12:25:531
390199240,0cyclictest30049-21diskmemload11:27:041
3897992423,1cyclictest62550irq/127-eno109:45:380
3897992421,3cyclictest30049-21diskmemload11:56:060
3897992420,3cyclictest30049-21diskmemload12:11:280
3897992420,3cyclictest0-21swapper/011:19:500
3897992420,3cyclictest0-21swapper/009:10:340
389799240,24cyclictest30049-21diskmemload11:02:040
389799240,23cyclictest0-21swapper/012:32:080
389799240,23cyclictest0-21swapper/012:03:230
389799240,21cyclictest0-21swapper/010:38:320
389799240,21cyclictest0-21swapper/010:13:210
389799240,21cyclictest0-21swapper/009:53:480
389799240,0cyclictest0-21swapper/011:50:230
389799240,0cyclictest0-21swapper/009:16:480
3911992323,0cyclictest30049-21diskmemload12:31:053
3911992323,0cyclictest30049-21diskmemload12:16:143
3911992323,0cyclictest30049-21diskmemload11:11:153
3911992323,0cyclictest30049-21diskmemload11:08:453
3911992323,0cyclictest0-21swapper/312:11:383
3911992323,0cyclictest0-21swapper/309:11:033
3911992322,0cyclictest30049-21diskmemload11:55:473
3911992320,2cyclictest17802-21/usr/sbin/munin10:30:393
391199230,23cyclictest30049-21diskmemload11:04:273
391199230,23cyclictest30049-21diskmemload10:38:383
391199230,23cyclictest0-21swapper/312:07:203
391199230,23cyclictest0-21swapper/312:07:203
391199230,23cyclictest0-21swapper/311:47:373
391199230,23cyclictest0-21swapper/311:30:243
391199230,23cyclictest0-21swapper/310:47:593
391199230,23cyclictest0-21swapper/309:31:283
391199230,22cyclictest18109-21perf10:00:013
391199230,22cyclictest0-21swapper/309:23:163
391199230,0cyclictest0-21swapper/312:40:003
391199230,0cyclictest0-21swapper/311:40:493
391199230,0cyclictest0-21swapper/311:27:373
3903992323,0cyclictest30049-21diskmemload11:27:582
3903992323,0cyclictest30049-21diskmemload10:05:252
3903992323,0cyclictest30049-21diskmemload09:40:312
3903992323,0cyclictest30049-21diskmemload09:25:022
3903992323,0cyclictest0-21swapper/212:21:242
3903992323,0cyclictest0-21swapper/211:10:242
3903992323,0cyclictest0-21swapper/210:32:062
3903992322,1cyclictest30049-21diskmemload12:36:372
3903992321,1cyclictest1165-21apt-get10:45:362
3903992320,1cyclictest30713-21ssh12:15:102
3903992320,1cyclictest16155-21sh09:56:592
390399230,2cyclictest20510-21turbostat11:35:012
390399230,23cyclictest1290-21chrt09:12:282
390399230,23cyclictest0-21swapper/212:07:392
390399230,23cyclictest0-21swapper/212:07:392
390399230,23cyclictest0-21swapper/211:00:042
390399230,22cyclictest8440-21ssh11:22:332
390399230,22cyclictest22410-21apt-get08:55:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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