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2026-01-27 - 05:51
[ 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 Tue Jan 27, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1219521660,15sleep12159499cyclictest21:58:181
21589999621,12cyclictest0-21swapper/020:43:100
21596999420,12cyclictest0-21swapper/319:12:363
21589999338,48cyclictest0-21swapper/023:53:000
2158999933,33cyclictest14372-21ssh22:51:470
21596999223,22cyclictest0-21swapper/322:37:563
21589999233,52cyclictest0-21swapper/022:24:590
2158999914,33cyclictest0-21swapper/023:43:050
21589999116,12cyclictest0-21swapper/022:38:080
2158999904,67cyclictest0-21swapper/023:03:370
2158999895,32cyclictest0-21swapper/022:53:220
2158999895,32cyclictest0-21swapper/022:53:220
2158999895,32cyclictest0-21swapper/021:17:250
2158999894,77cyclictest0-21swapper/022:13:040
2158999894,77cyclictest0-21swapper/022:13:040
2158999894,13cyclictest0-21swapper/022:36:400
21589998934,49cyclictest0-21swapper/022:58:340
21589998934,49cyclictest0-21swapper/022:58:340
2158999893,25cyclictest0-21swapper/022:22:460
2158999893,13cyclictest0-21swapper/020:57:380
21589998915,9cyclictest30852-21ssh23:15:440
21596998831,13cyclictest0-21swapper/322:08:003
2158999887,20cyclictest11129-21unixbench-2d23:33:140
2158999884,34cyclictest0-21swapper/020:38:090
2158999883,31cyclictest0-21swapper/022:45:430
21589998829,12cyclictest0-21swapper/020:32:120
21589998822,13cyclictest0-21swapper/021:54:500
21589998816,9cyclictest10579-21ssh21:08:150
21589998812,12cyclictest1419-21runrttasks22:11:450
21596998710,42cyclictest8949-21crond20:17:493
2158999875,31cyclictest0-21swapper/023:18:180
2158999875,26cyclictest0-21swapper/023:26:170
2158999874,39cyclictest0-21swapper/021:18:180
2158999874,35cyclictest0-21swapper/022:28:010
2158999874,33cyclictest0-21swapper/018:58:210
2158999874,33cyclictest0-21swapper/018:58:210
2158999874,30cyclictest0-21swapper/018:57:520
2158999874,30cyclictest0-21swapper/018:57:520
21589998734,46cyclictest0-21swapper/020:33:230
21589998717,12cyclictest0-21swapper/023:12:430
2159699863,9cyclictest1945-21Xorg21:37:443
2158999865,34cyclictest1419-21runrttasks21:04:130
2158999864,34cyclictest0-21swapper/021:38:150
2158999864,34cyclictest0-21swapper/021:38:150
2158999864,33cyclictest0-21swapper/021:43:070
2158999864,25cyclictest0-21swapper/020:58:040
2158999864,25cyclictest0-21swapper/020:58:040
21589998637,43cyclictest0-21swapper/023:28:210
2158999863,24cyclictest0-21swapper/022:07:200
21589998625,10cyclictest1419-21runrttasks20:09:230
21589998621,12cyclictest0-21swapper/021:23:100
21589998614,31cyclictest0-21swapper/023:47:520
21596998529,11cyclictest9283-21telnet20:18:003
21596998529,11cyclictest9283-21telnet20:18:003
2158999855,24cyclictest0-21swapper/023:40:320
2158999854,34cyclictest0-21swapper/021:58:120
2158999854,11cyclictest0-21swapper/019:53:120
21589998521,9cyclictest28074-21ssh21:34:250
21596998431,9cyclictest11283-21ssh21:09:143
2158999844,31cyclictest0-21swapper/020:49:580
2158999844,12cyclictest0-21swapper/021:51:540
1952228421,8sleep00-21swapper/018:23:070
248599830,7rtkit-daemon2484-21rtkit-daemon22:36:462
2158999834,33cyclictest0-21swapper/019:09:000
2158999834,12cyclictest0-21swapper/021:29:440
21589998327,10cyclictest1419-21runrttasks19:23:200
2158999824,33cyclictest0-21swapper/018:33:110
21589998122,10cyclictest28259-21cat19:48:140
2158999804,27cyclictest0-21swapper/018:48:200
2158999794,12cyclictest0-21swapper/019:43:100
2158999784,32cyclictest0-21swapper/019:03:070
2158999784,12cyclictest0-21swapper/020:18:150
2158999784,12cyclictest0-21swapper/020:18:150
21589997817,18cyclictest28735-21latency_hist18:42:530
2158999774,31cyclictest0-21swapper/019:58:110
21589997731,11cyclictest0-21swapper/019:22:080
21589997729,10cyclictest0-21swapper/020:13:200
2158999754,14cyclictest2513-21udisks-daemon20:07:490
2159699733,11cyclictest27689-21diskstats22:23:003
2158999733,13cyclictest0-21swapper/018:32:540
2159499693,58cyclictest0-21swapper/123:28:211
2159499684,57cyclictest0-21swapper/122:33:011
2159499684,56cyclictest0-21swapper/121:47:471
2159499684,55cyclictest0-21swapper/122:48:051
2159699674,53cyclictest0-21swapper/320:31:473
2159499675,53cyclictest0-21swapper/120:58:191
2159499675,53cyclictest0-21swapper/120:58:191
2159499674,55cyclictest0-21swapper/123:08:041
2159499674,55cyclictest0-21swapper/122:46:341
2159499674,54cyclictest0-21swapper/120:38:171
2159499674,53cyclictest6199-21munin-node22:38:131
2159499673,57cyclictest0-21swapper/121:42:291
2159499673,57cyclictest0-21swapper/121:42:291
2159599662,58cyclictest0-21swapper/222:18:142
2159499665,54cyclictest0-21swapper/122:15:251
2159499665,54cyclictest0-21swapper/122:15:251
2159499665,53cyclictest0-21swapper/122:27:571
2159499664,55cyclictest0-21swapper/123:34:191
2159499664,55cyclictest0-21swapper/122:59:061
2159499664,55cyclictest0-21swapper/122:59:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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