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2026-02-07 - 12:52
[ 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 Sat Feb 07, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418998740,73rtkit-daemon0-21swapper/319:07:239
134458725149,1sleep130-21swapper/1319:08:175
134448824729,1sleep20-21swapper/219:07:028
1345219994522,13cyclictest1617353-21thunderbird23:22:406
1345209994544,1cyclictest1340360-21kworker/u32:0+events_unbound19:15:023
1345180994543,2cyclictest1555277-21kworker/u32:3+events_unbound22:57:408
1345180994443,1cyclictest1441687-21kworker/u32:1+events_unbound21:42:188
1345180994439,5cyclictest1769-21arpwatch22:10:448
1345180994241,1cyclictest1617353-21thunderbird22:42:338
1345180994140,1cyclictest1617374-21glean.dispatche23:08:428
1345180994138,2cyclictest1769-21arpwatch23:18:188
1345180994039,1cyclictest1617422-21Renderer21:28:358
1345180994039,1cyclictest1617353-21thunderbird22:30:118
1345180994039,1cyclictest1617353-21thunderbird22:30:108
1345180994038,2cyclictest1542311-21kworker/u32:4+flush-259:022:36:268
134468424038,1sleep00-21swapper/019:09:240
134458124038,1sleep70-21swapper/719:08:1213
134439624037,2sleep120-21swapper/1219:06:094
1345209993939,0cyclictest0-21swapper/1100:04:173
1345180993938,1cyclictest1617374-21glean.dispatche21:52:428
1345180993938,1cyclictest1617353-21thunderbird23:41:148
1345180993938,1cyclictest1617353-21thunderbird20:15:208
1345180993938,1cyclictest1617353-21thunderbird00:09:368
1345180993938,1cyclictest1215539-21Compositor22:28:478
1345180993938,1cyclictest1215539-21Compositor22:28:468
1345180993936,3cyclictest1617422-21Renderer23:48:028
1345180993936,2cyclictest1617422-21Renderer00:02:368
134521999385,9cyclictest1617353-21thunderbird20:37:546
134521999382,25cyclictest0-21swapper/1422:05:466
1345209993838,0cyclictest0-21swapper/1100:19:083
1345209993837,1cyclictest1542311-21kworker/u32:4+events_unbound23:35:133
1345180993837,1cyclictest1617353-21thunderbird23:35:148
1345180993837,1cyclictest1617353-21thunderbird21:55:398
1345180993835,3cyclictest3318-21Xorg22:00:588
1345180993834,3cyclictest0-21swapper/200:27:368
134518099380,35cyclictest1594432-21kworker/2:1+events23:13:048
134452723836,1sleep10-21swapper/119:07:331
1345183993737,0cyclictest0-21swapper/322:16:119
1345180993736,1cyclictest1617473-21WRRende~ckend#100:22:428
1345180993736,1cyclictest1617353-21thunderbird22:22:098
1345180993736,1cyclictest1617353-21thunderbird22:22:088
1345180993736,1cyclictest1617353-21thunderbird22:19:398
1345180993736,1cyclictest1617353-21thunderbird21:39:298
1345180993736,1cyclictest1617353-21thunderbird20:43:448
1345180993736,1cyclictest1383054-21sed19:50:258
1345180993734,3cyclictest1617353-21thunderbird00:30:228
1345180993734,3cyclictest1421380-21kworker/u32:6+events_unbound21:05:198
134468123735,1sleep140-21swapper/1419:09:226
134441923734,2sleep80-21swapper/819:06:2114
134120023735,1sleep40-21swapper/419:05:1210
1345209993636,0cyclictest0-21swapper/1123:30:373
1345209993636,0cyclictest0-21swapper/1121:56:163
1345180993635,1cyclictest3318-21Xorg00:12:368
1345180993635,1cyclictest1617473-21WRRende~ckend#121:47:178
1345180993635,1cyclictest1617353-21thunderbird23:52:328
1345180993635,1cyclictest1617353-21thunderbird21:02:368
1345180993635,1cyclictest1617353-21thunderbird20:55:498
1345180993634,2cyclictest1617473-21WRRende~ckend#119:11:558
1345180993633,3cyclictest1617353-21thunderbird23:29:448
134518099363,31cyclictest0-21swapper/221:33:308
134436423633,2sleep100-21swapper/1019:05:502
134521999350,10cyclictest0-21swapper/1422:38:436
1345216993535,0cyclictest0-21swapper/1300:18:585
1345209993534,1cyclictest1617473-21WRRende~ckend#123:28:183
1345180993534,1cyclictest3318-21Xorg23:34:048
1345180993534,1cyclictest3318-21Xorg22:52:128
1345180993534,1cyclictest1617473-21WRRende~ckend#121:11:148
1345180993534,1cyclictest1617353-21thunderbird21:16:058
1345180993533,2cyclictest1617422-21Renderer19:22:518
1345180993533,2cyclictest1617353-21thunderbird22:45:528
1345180993533,2cyclictest1416232-21kworker/u32:5+flush-259:020:35:178
1345180993533,2cyclictest0-21swapper/220:52:328
1345180993532,3cyclictest1617473-21WRRende~ckend#119:19:088
1345180993532,3cyclictest1617353-21thunderbird23:57:418
1345180993531,2cyclictest1366139-21/usr/sbin/munin19:30:238
1345180993531,2cyclictest1366139-21/usr/sbin/munin19:30:228
134463023532,2sleep90-21swapper/919:08:4515
1345216993432,2cyclictest1403340-21kworker/u32:2+events_unbound21:20:175
1345209993434,0cyclictest0-21swapper/1123:41:153
1345209993434,0cyclictest0-21swapper/1100:29:223
1345209993433,1cyclictest1347548-21kworker/u32:2+flush-259:019:55:193
1345180993433,1cyclictest1617353-21thunderbird19:48:488
1345180993433,1cyclictest1353971-21kworker/u32:4+flush-259:020:12:268
134518099343,30cyclictest0-21swapper/200:19:028
134518099343,28cyclictest0-21swapper/200:36:408
1345180993432,2cyclictest0-21swapper/223:02:578
1345180993429,3cyclictest43-21ksoftirqd/221:23:208
134518099341,31cyclictest1516607-21kworker/2:2-events22:06:198
134469023432,1sleep60-21swapper/619:09:3012
134433923432,1sleep150-21swapper/1519:05:397
134520999334,29cyclictest0-21swapper/1121:47:223
134520999333,29cyclictest0-21swapper/1122:30:053
134520999333,29cyclictest0-21swapper/1122:30:043
134519899330,32cyclictest0-21swapper/820:00:1514
1345193993333,0cyclictest0-21swapper/623:34:4812
1345183993332,1cyclictest0-21swapper/300:05:559
1345180993332,1cyclictest1617473-21WRRende~ckend#119:57:248
1345180993331,1cyclictest0-21swapper/219:25:158
1345180993331,1cyclictest0-21swapper/219:25:148
1345180993328,3cyclictest1617353-21thunderbird20:09:028
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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