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2026-03-02 - 12:10
[ 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 Mon Mar 02, 2026 00:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13088552362321,33sleep130-21swapper/1319:08:305
13054522354316,31sleep30-21swapper/319:05:059
13089452352305,15sleep140-21swapper/1419:09:196
13089922351329,15sleep10-21swapper/119:09:541
13088712351329,14sleep50-21swapper/519:08:3811
13087992350328,15sleep150-21swapper/1519:07:597
13087642349327,14sleep60-21swapper/619:07:3412
13085932347326,14sleep70-21swapper/719:05:4313
13054512347326,14sleep20-21swapper/219:05:058
13089132346325,14sleep110-21swapper/1119:08:593
13086282346325,14sleep100-21swapper/1019:06:012
13054542339319,13sleep40-21swapper/419:05:0610
13088782327306,14sleep90-21swapper/919:08:4115
13086482294277,10sleep120-21swapper/1219:06:204
130860829172,14sleep00-21swapper/019:05:520
130790928661,18sleep80-21swapper/819:05:2714
130947899545,25cyclictest1411333-21diskmemload00:34:186
1309478995228,11cyclictest0-21swapper/1422:11:316
1309468993938,1cyclictest1497619-21kworker/u32:5+events_unbound22:30:194
1309448993939,0cyclictest0-21swapper/520:55:0511
1309448993837,1cyclictest1296186-21kworker/u32:3+events_unbound19:10:1711
130947899360,34cyclictest0-21swapper/1419:55:566
1309468993636,0cyclictest0-21swapper/1220:55:044
130947899340,23cyclictest0-21swapper/1421:16:356
1309468993433,1cyclictest1287604-21kworker/u32:2+events_unbound19:15:004
130944899345,29cyclictest0-21swapper/523:38:0311
1309482993331,2cyclictest1497619-21kworker/u32:5+events_unbound22:19:157
1309468993333,0cyclictest0-21swapper/1223:42:474
1309468993333,0cyclictest0-21swapper/1223:42:464
1309468993333,0cyclictest0-21swapper/1223:38:034
130945299330,30cyclictest0-21swapper/620:45:1512
130945299330,30cyclictest0-21swapper/620:45:1512
1309448993333,0cyclictest1640990-21kworker/u32:0-i91500:16:3111
1309448993331,0cyclictest211rcu_preempt00:26:5211
130945499320,31cyclictest0-21swapper/721:08:1313
130945499320,30cyclictest0-21swapper/700:30:1313
1309448993232,0cyclictest0-21swapper/522:18:3711
1309448993232,0cyclictest0-21swapper/521:10:2711
1309442993229,3cyclictest1774-21snmpd22:01:059
1309442993229,3cyclictest1774-21snmpd00:17:489
1309438993231,1cyclictest808276-21firefox:gdrv021:38:028
130943899320,32cyclictest0-21swapper/223:35:058
1309482993129,2cyclictest808345-21WRRende~ckend#123:40:147
1309482993129,2cyclictest808345-21WRRende~ckend#123:40:147
130947899317,13cyclictest0-21swapper/1421:49:336
130947899310,30cyclictest0-21swapper/1419:45:156
130947399310,30cyclictest0-21swapper/1321:45:445
1309468993131,0cyclictest0-21swapper/1223:08:284
1309468993131,0cyclictest0-21swapper/1222:54:534
1309468993130,1cyclictest1321ktimers/1200:19:534
1309467993129,1cyclictest1774-21snmpd22:00:503
130946799310,30cyclictest0-21swapper/1122:20:143
130946799310,30cyclictest0-21swapper/1120:04:053
130946799310,1cyclictest0-21swapper/1122:19:543
130946199310,30cyclictest0-21swapper/919:26:0415
1309454993128,3cyclictest1774-21snmpd20:26:1713
1309454993123,8cyclictest1774-21snmpd20:21:3513
130945499310,30cyclictest0-21swapper/720:50:2413
130945499310,30cyclictest0-21swapper/720:50:2313
130945299310,30cyclictest0-21swapper/600:10:1212
1309448993131,0cyclictest0-21swapper/523:06:5111
1309448993131,0cyclictest0-21swapper/521:43:5711
1309448993131,0cyclictest0-21swapper/500:13:2311
1309448993130,1cyclictest1325498-21kworker/5:1-mm_percpu_wq19:37:1811
130944899311,1cyclictest1479998-21ssh22:01:4511
130944699310,28cyclictest0-21swapper/421:25:1410
130944699310,28cyclictest0-21swapper/400:30:1410
130944299310,30cyclictest0-21swapper/320:03:149
130943899310,30cyclictest0-21swapper/223:58:398
130943699310,30cyclictest0-21swapper/123:20:131
130943299310,30cyclictest0-21swapper/023:05:100
130943299310,30cyclictest0-21swapper/022:55:140
1309482993029,1cyclictest1774-21snmpd23:04:137
1309482993029,1cyclictest1774-21snmpd21:30:497
1309482993029,1cyclictest1774-21snmpd21:17:587
130947899306,11cyclictest0-21swapper/1423:39:236
130947899306,11cyclictest0-21swapper/1420:43:396
130947899306,11cyclictest0-21swapper/1420:43:386
1309473993029,1cyclictest0-21swapper/1300:07:475
130947399300,30cyclictest0-21swapper/1319:54:465
1309468993030,0cyclictest0-21swapper/1222:12:194
1309468993030,0cyclictest0-21swapper/1200:30:154
1309468993030,0cyclictest0-21swapper/1200:20:234
1309468993029,1cyclictest1774-21snmpd23:28:374
1309468993029,1cyclictest1774-21snmpd23:01:074
130946899300,29cyclictest0-21swapper/1221:15:134
1309463993029,1cyclictest1510106-21nodev-device-ev22:25:182
1309463993029,1cyclictest1397084-21kworker/10:2+events21:24:282
1309463993029,1cyclictest0-21swapper/1019:32:512
130946399300,30cyclictest0-21swapper/1021:48:412
130946399300,30cyclictest0-21swapper/1021:05:222
1309461993029,1cyclictest1774-21snmpd20:50:4515
1309461993029,1cyclictest1774-21snmpd20:50:4515
1309454993029,1cyclictest1439361-21ethtool21:30:1413
1309454993028,2cyclictest0-21swapper/720:55:1613
1309454993027,3cyclictest1774-21snmpd23:02:5813
1309452993029,1cyclictest1774-21snmpd22:29:2412
1309452993029,1cyclictest0-21swapper/622:56:4312
1309448993030,0cyclictest0-21swapper/523:18:4311
1309448993030,0cyclictest0-21swapper/522:57:1111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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