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2026-03-06 - 02:07
[ 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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Fri Mar 06, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6777211896,17sleep00-21swapper/019:07:000
68892115104,6sleep30-21swapper/319:08:163
6778211392,16sleep10-21swapper/119:07:011
6816211194,12sleep20-21swapper/219:07:302
199382790,0sleep3381ktimersoftd/323:53:273
132422760,1sleep10-21swapper/120:44:591
217212710,1sleep1221ktimersoftd/100:29:061
233562280,0sleep10-21swapper/121:09:591
712599210,2cyclictest0-21swapper/000:00:130
209032210,1sleep20-21swapper/223:20:242
7128992017,2cyclictest14972-21kworker/u8:223:19:032
712899200,4cyclictest23318-21diskmemload23:25:042
7126991916,2cyclictest7711-21kworker/u8:021:26:051
7128991815,2cyclictest7711-21kworker/u8:021:29:042
7126991815,2cyclictest13155-21kworker/u8:221:52:051
7126991815,2cyclictest11282-21kworker/u8:222:37:051
43792180,1sleep10-21swapper/121:56:171
39692180,2sleep33976-21tr22:30:153
712899172,2cyclictest3640-21kworker/u8:022:42:052
7126991714,2cyclictest23037-21kworker/u8:320:10:051
712699170,2cyclictest23318-21diskmemload22:17:041
7129991611,3cyclictest24298-21grep00:30:443
7128991613,2cyclictest3302-21kworker/u8:000:21:042
7128991611,3cyclictest0-21swapper/222:55:002
712899160,14cyclictest0-21swapper/222:33:052
712699162,10cyclictest11270-21http23:44:591
712699161,3cyclictest20594-21grep21:40:121
7126991613,2cyclictest422-21kworker/u8:023:48:051
7126991613,2cyclictest27282-21kworker/u8:121:38:051
7126991613,2cyclictest22245-21kworker/u8:222:58:051
7126991613,2cyclictest20515-21kworker/u8:019:44:051
7126991613,2cyclictest20390-21kworker/u8:021:45:041
7126991613,2cyclictest12032-21kworker/u8:122:21:051
712699161,2cyclictest0-21swapper/122:44:041
712699161,13cyclictest23780-21aten2.4_r3power21:10:121
7126991611,3cyclictest0-21swapper/119:45:421
712699160,2cyclictest328750irq/24-eth123:33:051
712699160,13cyclictest0-21swapper/119:10:151
7129991511,2cyclictest0-21swapper/320:00:113
712999150,3cyclictest28449-21munin-node3
712899151,3cyclictest0-21swapper/222:06:152
7128991512,2cyclictest26641-21kworker/u8:222:23:052
7128991512,2cyclictest16983-21kworker/u8:022:13:042
712899151,12cyclictest8430-21ssh22:00:242
712899151,12cyclictest8430-21ssh22:00:232
712899151,12cyclictest3523-21sh23:03:012
7128991511,2cyclictest0-21swapper/221:35:122
712899150,3cyclictest0-21swapper/200:08:152
712899150,13cyclictest0-21swapper/223:35:052
7126991512,2cyclictest9089-21kworker/u8:119:29:041
7126991512,2cyclictest9089-21kworker/u8:119:19:051
7126991512,2cyclictest869-21kworker/u8:221:23:041
7126991512,2cyclictest23036-21kworker/u8:119:56:051
7126991512,2cyclictest21507-21kworker/u8:023:22:051
7126991512,2cyclictest15699-21kworker/u8:100:38:051
7126991512,2cyclictest13433-21kworker/u8:121:04:051
7126991512,2cyclictest13433-21kworker/u8:120:54:041
712699150,2cyclictest16918-21ssh00:24:051
7125991512,2cyclictest17620-21kworker/u8:221:11:050
712599151,12cyclictest0-21swapper/022:31:560
712599150,13cyclictest23318-21diskmemload23:35:080
712999141,3cyclictest24884-21ssh23:58:423
712999140,2cyclictest0-21swapper/321:05:003
712999140,12cyclictest29533-21munin-node3
712999140,12cyclictest0-21swapper/323:04:223
712899149,3cyclictest0-21swapper/200:33:022
7128991411,2cyclictest22245-21kworker/u8:223:06:052
7128991411,2cyclictest12773-21ssh23:45:272
7128991411,2cyclictest0-21swapper/222:58:272
7128991410,2cyclictest31861-21kworker/u8:121:57:052
7128991410,2cyclictest0-21swapper/220:00:102
712899140,13cyclictest0-21swapper/223:53:062
712899140,13cyclictest0-21swapper/221:32:572
712899140,12cyclictest6675-21snmpd21:51:342
712899140,12cyclictest0-21swapper/200:10:122
712699149,3cyclictest12705-21timerandwakeup19:20:541
7126991411,2cyclictest9089-21kworker/u8:119:39:051
7126991411,2cyclictest7114-21kworker/u8:019:34:051
7126991411,2cyclictest3640-21kworker/u8:022:46:051
7126991411,2cyclictest29571-21kworker/u8:020:21:051
7126991411,2cyclictest29571-21kworker/u8:020:18:041
7126991411,2cyclictest13155-21kworker/u8:221:32:041
7126991411,2cyclictest12735-21kworker/u8:223:52:041
712699141,11cyclictest0-21swapper/121:15:311
7126991410,2cyclictest0-21swapper/100:02:101
712699140,9cyclictest0-21swapper/119:52:041
712699140,2cyclictest0-21swapper/122:04:051
712699140,2cyclictest0-21swapper/122:04:041
712599149,3cyclictest11174-21ssh23:44:530
7125991411,2cyclictest8415-21kworker/u8:123:25:050
7125991411,2cyclictest23318-21diskmemload22:37:480
7125991411,2cyclictest0-21swapper/020:30:350
712599141,11cyclictest28404-21ssh21:15:070
712599140,3cyclictest32006-21sh00:05:250
712599140,2cyclictest0-21swapper/021:54:080
712599140,2cyclictest0-21swapper/019:25:160
712599140,13cyclictest0-21swapper/021:39:280
712599140,12cyclictest0-21swapper/022:30:000
712599140,12cyclictest0-21swapper/019:50:100
712599140,12cyclictest0-21swapper/000:15:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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