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2026-02-09 - 02:00
[ 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 #0, slot #4

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 rack0slot4s.osadl.org (updated Mon Feb 09, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418998590,57rtkit-daemon0-21swapper/319:08:049
32376925149,1sleep110-21swapper/1119:05:343
32377424644,1sleep150-21swapper/1519:05:397
32407524442,1sleep120-21swapper/1219:09:194
32383624240,1sleep90-21swapper/919:06:2015
32395223937,1sleep50-21swapper/519:07:5311
32383423937,1sleep70-21swapper/719:06:1813
324545993838,0cyclictest0-21swapper/900:11:4615
32384523836,1sleep10-21swapper/119:06:291
32384123836,1sleep140-21swapper/1419:06:266
32410923735,1sleep100-21swapper/1019:09:492
32389723735,1sleep130-21swapper/1319:07:135
324552993635,1cyclictest363015-21kworker/u32:2+events_unbound20:10:184
324552993635,1cyclictest363015-21kworker/u32:2+events_unbound20:10:174
324529993636,0cyclictest0-21swapper/423:26:5810
324545993534,1cyclictest0-21swapper/922:38:3415
324529993534,1cyclictest0-21swapper/400:36:3210
32393623533,1sleep60-21swapper/619:07:3812
324545993434,0cyclictest0-21swapper/919:44:2815
32384623432,1sleep20-21swapper/219:06:308
32063023432,1sleep00-21swapper/019:05:080
324545993333,0cyclictest0-21swapper/923:39:1315
324545993333,0cyclictest0-21swapper/920:26:3915
324540993332,1cyclictest0-21swapper/821:42:1014
324539993332,1cyclictest639314-21kworker/u32:2+events_unbound23:55:1813
324539993329,2cyclictest1617353-21thunderbird19:24:0813
32452999331,32cyclictest200446-21kworker/4:2+mm_percpu_wq20:26:4010
32451899330,32cyclictest0-21swapper/019:12:550
32389023331,1sleep80-21swapper/819:07:0714
32063623331,1sleep40-21swapper/419:05:1210
324552993231,1cyclictest1617353-21thunderbird23:56:404
324552993231,1cyclictest1617353-21thunderbird19:47:304
324552993231,1cyclictest0-21swapper/1222:22:024
324550993229,2cyclictest1617353-21thunderbird21:10:483
324547993230,1cyclictest504156-21kworker/10:1+events22:54:502
324547993230,1cyclictest378471-21kworker/10:2+events21:08:492
324545993232,0cyclictest106-21ksoftirqd/920:01:0415
324545993232,0cyclictest0-21swapper/921:46:2615
324545993232,0cyclictest0-21swapper/900:25:2815
324545993232,0cyclictest0-21swapper/900:20:3415
324540993231,1cyclictest396601-21kworker/u32:3+events_unbound20:40:1814
324540993231,1cyclictest0-21swapper/823:51:2814
324539993232,0cyclictest0-21swapper/723:13:1413
324539993232,0cyclictest0-21swapper/723:13:1413
324539993232,0cyclictest0-21swapper/722:56:1613
324539993232,0cyclictest0-21swapper/722:36:2613
324539993231,1cyclictest623086-21kworker/7:2+mm_percpu_wq00:17:0413
324539993231,1cyclictest318321-21kworker/7:0-events19:35:2813
324529993232,0cyclictest0-21swapper/421:51:4510
324529993231,1cyclictest421682-21kworker/u32:5+events_unbound21:17:4910
32452999320,2cyclictest1617353-21thunderbird00:14:3710
32456199310,30cyclictest0-21swapper/1519:25:317
32455899317,13cyclictest0-21swapper/1423:09:186
32455899317,13cyclictest0-21swapper/1423:09:186
32455899317,13cyclictest0-21swapper/1419:51:356
32455899317,13cyclictest0-21swapper/1400:26:116
32455899310,31cyclictest1617353-21thunderbird19:27:556
324552993131,0cyclictest0-21swapper/1222:18:174
324552993131,0cyclictest0-21swapper/1221:51:224
324552993131,0cyclictest0-21swapper/1219:44:284
324552993131,0cyclictest0-21swapper/1219:22:354
324552993130,1cyclictest1774-21snmpd21:44:584
32455099310,30cyclictest0-21swapper/1121:35:553
324547993130,1cyclictest624562-21kworker/10:1+events23:57:082
324547993130,1cyclictest504156-21kworker/10:1+events23:01:022
324547993130,1cyclictest504156-21kworker/10:1+events23:01:022
324547993130,1cyclictest456314-21kworker/10:2+events21:56:562
324547993130,1cyclictest403708-21kworker/10:0+events20:48:362
324547993129,1cyclictest645646-21kworker/10:0+events00:16:042
324547993129,1cyclictest504156-21kworker/10:1+events22:43:182
324547993129,1cyclictest263694-21kworker/10:1+events19:37:282
324547993129,1cyclictest263694-21kworker/10:1+events19:32:432
32454799310,30cyclictest0-21swapper/1019:13:282
32454799310,1cyclictest0-21swapper/1023:24:302
324545993131,0cyclictest0-21swapper/923:23:0615
324545993131,0cyclictest0-21swapper/923:03:5415
324545993131,0cyclictest0-21swapper/923:03:5315
324545993131,0cyclictest0-21swapper/922:50:2615
324545993131,0cyclictest0-21swapper/922:46:2015
324545993131,0cyclictest0-21swapper/921:59:5415
324545993130,1cyclictest1774-21snmpd21:21:4815
324540993131,0cyclictest0-21swapper/822:22:5814
32454099310,28cyclictest0-21swapper/823:45:1214
324539993131,0cyclictest0-21swapper/722:53:4613
324539993131,0cyclictest0-21swapper/721:31:3613
324539993131,0cyclictest0-21swapper/721:14:4013
324539993131,0cyclictest0-21swapper/700:13:1213
324539993130,1cyclictest623086-21kworker/7:2-events23:51:2813
324539993130,1cyclictest0-21swapper/720:16:4413
324539993130,1cyclictest0-21swapper/720:16:4413
324535993130,1cyclictest1774-21snmpd21:17:3812
32453599310,30cyclictest0-21swapper/621:58:0412
32453599310,1cyclictest0-21swapper/620:52:5712
324529993131,0cyclictest0-21swapper/421:26:4210
324529993131,0cyclictest0-21swapper/420:48:0810
324529993131,0cyclictest0-21swapper/420:01:0410
32452999312,29cyclictest0-21swapper/421:06:3410
32452999312,28cyclictest0-21swapper/419:40:1010
32452999310,31cyclictest1617353-21thunderbird23:35:1210
32452499310,30cyclictest0-21swapper/219:30:148
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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