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2026-01-13 - 03:21
[ 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 Tue Jan 13, 2026 00:46:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12568522382319,14sleep60-21swapper/619:06:0712
12570242376357,12sleep20-21swapper/219:08:128
12569602355336,12sleep80-21swapper/819:07:2914
12569912352332,13sleep150-21swapper/1519:07:537
12569372352332,13sleep90-21swapper/919:07:1415
12570392349330,12sleep130-21swapper/1319:08:245
12571122348329,12sleep50-21swapper/519:09:2011
12536802348327,14sleep70-21swapper/719:05:0413
12571302346326,13sleep30-21swapper/319:09:339
12568202346325,14sleep140-21swapper/1419:05:436
12571392345323,14sleep120-21swapper/1219:09:424
12570052345324,14sleep40-21swapper/419:07:5810
12571082344324,13sleep10-21swapper/119:09:151
12569232344324,13sleep00-21swapper/019:07:050
12569162344324,13sleep110-21swapper/1119:07:003
12568332344326,12sleep100-21swapper/1019:05:552
1257600994646,0cyclictest1539372-21kworker/u32:2-xprtiod23:38:0614
125759299459,36cyclictest0-21swapper/623:56:5212
1257592994444,0cyclictest0-21swapper/622:24:5212
1257592994343,0cyclictest0-21swapper/621:43:0012
1257580994331,12cyclictest43-21ksoftirqd/222:40:088
1257592994242,0cyclictest0-21swapper/622:16:5712
1257592994242,0cyclictest0-21swapper/620:15:4812
1257592994241,1cyclictest771rcuc/600:37:5812
125759299420,42cyclictest771rcuc/600:10:4412
125758099420,42cyclictest0-21swapper/223:38:068
1257600994140,1cyclictest1198819-1kworker/u33:1+i915_flip23:11:4014
1257592994141,0cyclictest0-21swapper/620:38:0512
1257592994141,0cyclictest0-21swapper/600:33:1212
1257580994141,0cyclictest0-21swapper/200:10:448
1257580994141,0cyclictest0-21swapper/200:03:428
1257600994040,0cyclictest0-21swapper/822:43:1014
1257600994040,0cyclictest0-21swapper/821:50:4414
1257600994040,0cyclictest0-21swapper/800:14:3014
1257592994040,0cyclictest0-21swapper/623:06:2012
1257592994040,0cyclictest0-21swapper/621:29:1912
1257580994040,0cyclictest0-21swapper/221:45:038
1257619993938,1cyclictest1198819-1kworker/u33:1+i915_flip20:20:157
1257600993939,0cyclictest0-21swapper/823:01:0914
1257600993939,0cyclictest0-21swapper/822:15:1814
1257600993939,0cyclictest0-21swapper/819:32:4714
1257592993939,0cyclictest0-21swapper/623:39:0912
1257592993939,0cyclictest0-21swapper/622:55:2512
1257592993939,0cyclictest0-21swapper/622:49:4512
1257592993939,0cyclictest0-21swapper/621:05:5612
1257580993939,0cyclictest0-21swapper/222:38:388
1257580993939,0cyclictest0-21swapper/219:32:478
1257605993811,21cyclictest0-21swapper/1021:49:432
1257592993838,0cyclictest0-21swapper/621:58:3812
1257592993837,1cyclictest1926-21arpwatch19:38:2912
125758499387,31cyclictest1333993-21kworker/u32:1+events_unbound21:28:249
1257580993837,1cyclictest1539372-21kworker/u32:2+events_unbound23:45:238
1257600993737,0cyclictest0-21swapper/800:36:2514
1257592993737,0cyclictest0-21swapper/623:10:3212
1257592993737,0cyclictest0-21swapper/621:33:0812
1257592993737,0cyclictest0-21swapper/600:03:4412
1257592993736,1cyclictest0-21swapper/600:24:5512
1257592993736,1cyclictest0-21swapper/600:24:5412
1257580993737,0cyclictest0-21swapper/223:00:398
1257580993737,0cyclictest0-21swapper/222:22:158
1257580993737,0cyclictest0-21swapper/221:38:528
1257580993737,0cyclictest0-21swapper/221:05:578
1257580993737,0cyclictest0-21swapper/220:15:498
1257580993737,0cyclictest0-21swapper/200:33:128
1257600993636,0cyclictest0-21swapper/822:30:2714
1257600993636,0cyclictest0-21swapper/822:22:1414
1257600993636,0cyclictest0-21swapper/821:43:0014
1257600993636,0cyclictest0-21swapper/820:15:4814
1257600993636,0cyclictest0-21swapper/800:33:1214
1257592993636,0cyclictest0-21swapper/622:25:5712
1257592993636,0cyclictest0-21swapper/621:02:2812
1257592993636,0cyclictest0-21swapper/620:30:1612
1257580993636,0cyclictest0-21swapper/223:31:408
1257580993636,0cyclictest0-21swapper/221:29:188
1257580993636,0cyclictest0-21swapper/200:26:208
1257580993636,0cyclictest0-21swapper/200:26:208
1257600993535,0cyclictest0-21swapper/822:57:4014
1257600993535,0cyclictest0-21swapper/820:38:0414
1257592993535,0cyclictest0-21swapper/623:20:4412
1257592993535,0cyclictest0-21swapper/623:03:4412
1257592993535,0cyclictest0-21swapper/622:04:0912
1257592993535,0cyclictest0-21swapper/620:04:4712
1257580993535,0cyclictest0-21swapper/221:13:008
1257580993535,0cyclictest0-21swapper/221:13:008
1257580993535,0cyclictest0-21swapper/219:59:588
1257580993535,0cyclictest0-21swapper/200:05:518
1257600993434,0cyclictest0-21swapper/822:49:4414
1257600993434,0cyclictest0-21swapper/800:03:0014
1257592993434,0cyclictest0-21swapper/623:49:3412
1257592993434,0cyclictest0-21swapper/623:19:3412
1257592993427,6cyclictest0-21swapper/622:14:3212
1257580993434,0cyclictest0-21swapper/222:49:448
1257611993328,5cyclictest1931-21snmpd23:55:264
1257600993333,0cyclictest0-21swapper/823:06:2114
1257592993333,0cyclictest0-21swapper/623:28:3612
1257592993333,0cyclictest0-21swapper/620:59:5812
1257592993333,0cyclictest0-21swapper/619:45:5812
1257592993326,7cyclictest1251490-21kworker/6:1+mm_percpu_wq19:15:2012
125759099330,30cyclictest0-21swapper/522:30:1511
1257580993333,0cyclictest0-21swapper/223:18:398
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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