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2026-02-28 - 13:08
[ 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 #1, 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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  Intel
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 rack1slot6s.osadl.org (updated Sat Feb 28, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
866991004,12cyclictest0-21swapper/022:42:550
86699994,13cyclictest0-21swapper/022:08:060
86699994,13cyclictest0-21swapper/020:48:040
866999915,59cyclictest121850irq/46-eth023:08:080
86699966,8cyclictest5328-21ssh22:37:520
86699966,8cyclictest5328-21ssh22:37:520
86699963,12cyclictest0-21swapper/022:53:100
86699954,13cyclictest0-21swapper/020:00:540
86699954,11cyclictest1220-21kworker/0:020:13:180
86699945,15cyclictest0-21swapper/022:58:000
86699944,62cyclictest11121-21ssh21:57:580
86699944,62cyclictest11121-21ssh21:57:580
86699944,12cyclictest0-21swapper/023:23:590
86699944,12cyclictest0-21swapper/019:18:150
866999412,10cyclictest16363-21ssh21:17:570
86699936,12cyclictest23665-21yum-updatesd-he20:40:410
86699934,66cyclictest0-21swapper/022:48:020
866999315,54cyclictest0-21swapper/018:28:010
86699914,9cyclictest4219-21ssh21:47:570
86699914,14cyclictest0-21swapper/021:01:400
86699914,13cyclictest0-21swapper/020:25:140
866999115,53cyclictest121850irq/46-eth023:18:100
866999115,53cyclictest121850irq/46-eth023:18:100
86699904,12cyclictest0-21swapper/021:16:360
86699904,12cyclictest0-21swapper/021:16:360
866999010,8cyclictest1850-21ssh22:32:530
86699894,17cyclictest855-21munin-run17:57:490
86699894,13cyclictest0-21swapper/022:13:240
86699884,61cyclictest0-21swapper/020:32:490
86699884,61cyclictest0-21swapper/020:32:490
866998716,58cyclictest22663-21chrt23:02:580
86699864,13cyclictest0-21swapper/021:32:420
86699855,70cyclictest0-21swapper/021:03:050
86699855,12cyclictest0-21swapper/022:27:410
86699854,74cyclictest8467-21rt-features21:53:100
86699854,74cyclictest8467-21rt-features21:53:100
86699854,12cyclictest0-21swapper/020:53:490
866998520,50cyclictest0-21swapper/022:17:560
86699845,10cyclictest22208-21crond21:27:420
86699844,12cyclictest0-21swapper/019:38:050
86699843,72cyclictest1419-21runrttasks21:07:570
280542840,4sleep328056-21awk22:22:593
86699834,12cyclictest30039-21gltestperf21:37:590
86699834,12cyclictest0-21swapper/022:23:360
86699833,11cyclictest0-21swapper/020:04:490
866998322,50cyclictest15132-21ssh20:28:000
876998219,56cyclictest12448-21head22:47:583
86699829,10cyclictest24895-21crond18:47:470
86699824,69cyclictest0-21swapper/020:18:080
86699824,68cyclictest704-21ssh21:42:580
86699824,12cyclictest0-21swapper/019:33:170
86699824,11cyclictest0-21swapper/020:10:570
86699823,72cyclictest30770-21grep18:58:060
866998218,54cyclictest0-21swapper/023:12:560
866998214,59cyclictest0-21swapper/022:02:540
86699814,13cyclictest0-21swapper/018:48:160
86699814,12cyclictest0-21swapper/019:28:070
86699804,65cyclictest0-21swapper/018:23:000
86699804,64cyclictest26313-21unixbench_multi20:43:140
86699804,14cyclictest0-21swapper/018:18:010
86699804,14cyclictest0-21swapper/018:18:010
86699804,12cyclictest0-21swapper/021:34:160
86699798,63cyclictest0-21swapper/018:17:500
86699795,11cyclictest32071-21latency_hist19:02:480
86699794,13cyclictest0-21swapper/018:33:190
866997926,46cyclictest6334-21cat19:13:180
876997827,44cyclictest26073-21diskmemload21:53:133
876997827,44cyclictest26073-21diskmemload21:53:133
86699785,66cyclictest0-21swapper/018:53:100
86699784,12cyclictest0-21swapper/018:42:480
866997814,57cyclictest20322-21tail19:43:100
876997730,40cyclictest26846-21unixbench_multi23:08:103
875997717,53cyclictest0-21swapper/222:37:392
86699774,9cyclictest24034-21head19:52:570
866997725,44cyclictest6343-21cpuspeed_turbos18:08:030
248599770,8rtkit-daemon0-21swapper/021:57:411
248599770,8rtkit-daemon0-21swapper/021:57:411
866997618,52cyclictest1419-21runrttasks19:11:350
866997618,52cyclictest1419-21runrttasks19:11:350
866997610,55cyclictest0-21swapper/019:23:020
876997531,38cyclictest629-21ntp_kernel_err23:18:023
876997531,38cyclictest629-21ntp_kernel_err23:18:023
875997523,45cyclictest900-21fschecks_time21:42:592
86699755,59cyclictest0-21swapper/017:58:020
866997518,50cyclictest4771-21load18:03:130
248599750,6rtkit-daemon0-21swapper/018:38:191
248599750,14rtkit-daemon0-21swapper/020:31:142
876997434,33cyclictest9037-21runrttasks19:18:543
876997417,50cyclictest0-21swapper/321:23:253
876997416,50cyclictest0-21swapper/320:59:263
875997426,41cyclictest27639-21crond20:47:432
875997421,34cyclictest42611ssh20:58:242
86699744,61cyclictest0-21swapper/019:47:580
876997323,42cyclictest2666-21munin-node20:08:173
875997322,44cyclictest1419-21runrttasks21:32:302
875997219,46cyclictest0-21swapper/221:55:152
875997219,46cyclictest0-21swapper/221:55:152
876997127,38cyclictest15344-21nscd22:42:383
876997127,38cyclictest15344-21nscd22:42:383
876997126,38cyclictest13658-21rm21:13:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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