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2026-03-03 - 01:55
[ 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 Mar 03, 2026 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11773732405399,4sleep80-21swapper/819:05:0914
11773732405399,4sleep80-21swapper/819:05:0914
11807142369363,4sleep110-21swapper/1119:08:093
11807142369363,4sleep110-21swapper/1119:08:093
11806052365358,5sleep130-21swapper/1319:06:505
11806052365358,5sleep130-21swapper/1319:06:505
11807092363356,5sleep60-21swapper/619:08:0412
11807092363356,5sleep60-21swapper/619:08:0412
11806622360319,14sleep40-21swapper/419:07:3010
11806622360319,14sleep40-21swapper/419:07:3010
11805092356337,13sleep70-21swapper/719:05:4013
11805092356337,13sleep70-21swapper/719:05:4013
11807932355335,13sleep100-21swapper/1019:09:122
11807932355335,13sleep100-21swapper/1019:09:122
11807882355316,31sleep50-21swapper/519:09:0711
11807882355316,31sleep50-21swapper/519:09:0711
11806922355333,15sleep120-21swapper/1219:07:544
11806922355333,15sleep120-21swapper/1219:07:544
11805202354334,13sleep150-21swapper/1519:05:487
11805202354334,13sleep150-21swapper/1519:05:477
11805932353338,9sleep30-21swapper/319:06:409
11805932353338,9sleep30-21swapper/319:06:409
11805672350330,13sleep140-21swapper/1419:06:196
11805672350330,13sleep140-21swapper/1419:06:196
11808422347327,13sleep20-21swapper/219:09:538
11808422347327,13sleep20-21swapper/219:09:538
11773662347326,14sleep10-21swapper/119:05:021
11773662347326,14sleep10-21swapper/119:05:021
11808012345336,6sleep00-21swapper/019:09:180
11808012345336,6sleep00-21swapper/019:09:180
11805802345324,14sleep90-21swapper/919:06:3015
11805802345324,14sleep90-21swapper/919:06:3015
118134599392,26cyclictest1364109-21processes22:10:206
1181313993837,1cyclictest1485055-21kworker/u32:1+events_unbound00:05:2411
1181315993434,0cyclictest0-21swapper/600:07:2712
1181329993332,1cyclictest1423617-21kworker/u32:0+events_unbound22:55:592
1181303993332,1cyclictest1445459-21kworker/u32:4+flush-259:023:35:218
118134599328,11cyclictest0-21swapper/1400:33:076
1181334993231,1cyclictest1175105-21kworker/u32:1+events_unbound19:10:153
1181334993231,1cyclictest1175105-21kworker/u32:1+events_unbound19:10:153
1181329993229,1cyclictest1281333-21kworker/10:1+events21:22:112
1181315993232,0cyclictest0-21swapper/622:26:0012
1181315993232,0cyclictest0-21swapper/622:25:5912
1181315993232,0cyclictest0-21swapper/621:12:4612
1181315993232,0cyclictest0-21swapper/600:15:1112
1181315993231,1cyclictest1312197-21kworker/u32:4+events_unbound21:40:1812
1181313993230,1cyclictest1774-21snmpd21:48:4011
1181309993230,1cyclictest1774-21snmpd21:18:1210
118134599317,11cyclictest0-21swapper/1419:58:326
118134599317,11cyclictest0-21swapper/1419:25:356
118134599310,30cyclictest0-21swapper/1423:10:146
1181334993130,1cyclictest1774-21snmpd23:32:103
1181334993130,1cyclictest1240720-21kworker/u32:1+events_unbound20:45:253
1181329993130,1cyclictest915028-21kworker/10:2+events19:25:172
1181329993130,1cyclictest1516437-21kworker/10:0+events00:26:132
1181329993130,1cyclictest1457721-21kworker/10:2+events23:26:152
1181329993130,1cyclictest1363665-21kworker/10:0+events22:18:312
1181329993130,1cyclictest1281333-21kworker/10:1+events21:55:252
1181329993130,1cyclictest1281333-21kworker/10:1+events21:40:322
1181329993130,0cyclictest1438712-21kworker/10:1+events23:19:052
1181329993129,1cyclictest1392367-21kworker/10:1+events22:42:432
1181329993129,1cyclictest1281333-21kworker/10:1+events21:13:332
1181329993128,1cyclictest1392367-21kworker/10:1+events22:39:012
118132499310,30cyclictest0-21swapper/919:23:2315
1181315993130,1cyclictest1774-21snmpd21:31:4612
118131599310,31cyclictest0-21swapper/621:00:1612
1181313993130,1cyclictest1774-21snmpd22:06:3511
118131399310,30cyclictest0-21swapper/522:10:1311
118131399310,30cyclictest0-21swapper/500:35:1311
118130599310,1cyclictest0-21swapper/319:56:489
118129999310,30cyclictest0-21swapper/122:59:421
1181295993131,0cyclictest0-21swapper/022:51:070
1181295993131,0cyclictest0-21swapper/000:18:230
1181295993130,1cyclictest1774-21snmpd21:00:530
1181295993130,1cyclictest1380365-21kworker/u32:4+events_unbound22:25:170
1181295993130,1cyclictest1380365-21kworker/u32:4+events_unbound22:25:170
1181295993130,1cyclictest1256110-21kworker/0:2+events20:45:250
118134899300,30cyclictest0-21swapper/1521:35:227
118134899300,27cyclictest0-21swapper/1520:20:157
118134899300,1cyclictest0-21swapper/1520:50:597
118134599306,11cyclictest0-21swapper/1420:53:276
118134599300,30cyclictest0-21swapper/1421:55:466
118134599300,30cyclictest0-21swapper/1419:12:206
118134599300,30cyclictest0-21swapper/1419:12:206
118134599300,1cyclictest0-21swapper/1420:01:276
1181343993029,1cyclictest0-21swapper/1321:06:275
118134399300,1cyclictest0-21swapper/1323:24:405
1181338993029,1cyclictest1774-21snmpd23:52:234
1181338993029,1cyclictest0-21swapper/1220:48:024
118133899300,29cyclictest0-21swapper/1222:10:134
118133899300,29cyclictest0-21swapper/1221:52:404
118133899300,1cyclictest0-21swapper/1200:34:294
1181334993030,0cyclictest0-21swapper/1123:44:393
1181334993030,0cyclictest0-21swapper/1122:14:453
1181334993030,0cyclictest0-21swapper/1122:09:033
1181334993029,1cyclictest1774-21snmpd23:23:253
1181334993029,1cyclictest1774-21snmpd22:55:123
1181334993029,1cyclictest1257399-21kworker/u32:2+events_unbound20:55:133
1181329993030,0cyclictest915028-21kworker/10:2+events21:00:092
1181329993030,0cyclictest915028-21kworker/10:2+events20:52:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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