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2026-02-10 - 08:28
[ 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 #7, slot #7

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 rack7slot7s.osadl.org (updated Tue Feb 10, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
663729785,8sleep00-21swapper/019:09:500
535729766,9sleep30-21swapper/319:05:193
635429064,9sleep20-21swapper/219:06:112
642228063,13sleep10-21swapper/119:07:021
24222650,0sleep30-21swapper/323:44:043
149372590,0sleep00-21swapper/023:31:470
41152530,0sleep00-21swapper/021:30:380
673899370,19cyclictest0-21swapper/100:20:141
674299322,29cyclictest32134-21diskmemload21:25:222
674299303,23cyclictest0-21swapper/223:26:542
674299293,25cyclictest32134-21diskmemload21:32:352
674299291,25cyclictest225-21systemd-journal21:41:142
674299290,1cyclictest0-21swapper/222:04:272
673899290,26cyclictest38150irq/131-snd_hda22:57:201
6742992825,3cyclictest0-21swapper/222:14:442
674299280,1cyclictest0-21swapper/222:54:352
674299280,1cyclictest0-21swapper/221:15:142
674299273,23cyclictest32134-21diskmemload23:42:242
674299273,23cyclictest32134-21diskmemload23:37:152
674299272,24cyclictest32134-21diskmemload00:06:532
674299270,26cyclictest0-21swapper/200:10:132
674299270,24cyclictest0-21swapper/223:05:162
674299261,8cyclictest32134-21diskmemload23:12:362
674299261,3cyclictest32643-21apache_volume21:10:132
674299260,2cyclictest0-21swapper/223:47:402
674299260,1cyclictest0-21swapper/223:59:222
674299254,21cyclictest32134-21diskmemload00:02:542
674299253,21cyclictest32134-21diskmemload22:22:032
674299253,21cyclictest32134-21diskmemload00:30:422
674299252,2cyclictest0-21swapper/200:26:262
674299250,6cyclictest32134-21diskmemload21:59:552
674299250,3cyclictest55650irq/127-enp2s0-23:03:292
674299250,3cyclictest55650irq/127-enp2s0-23:03:292
674299250,24cyclictest0-21swapper/223:33:192
674299250,1cyclictest0-21swapper/223:21:532
674299250,1cyclictest0-21swapper/222:06:482
674299244,18cyclictest32134-21diskmemload22:31:092
674299242,21cyclictest15317-21apt-config20:35:002
674299242,1cyclictest32134-21diskmemload21:51:492
674299240,3cyclictest0-21swapper/220:10:132
674299240,1cyclictest0-21swapper/200:15:112
674299240,18cyclictest0-21swapper/221:21:582
674499230,6cyclictest0-21swapper/322:10:563
674299233,19cyclictest0-21swapper/222:45:272
674299232,4cyclictest32134-21diskmemload21:39:492
674299232,20cyclictest29135-21unixbench_singl21:45:262
674299231,1cyclictest9080-21munin-run19:15:002
674299230,2cyclictest0-21swapper/223:18:222
674299230,1cyclictest0-21swapper/223:50:582
673899230,0cyclictest0-21swapper/121:45:051
674499222,2cyclictest141rcu_preempt22:00:163
674299222,1cyclictest18709-21rm22:36:522
674299222,17cyclictest30780-21apache_accesses20:00:112
674299221,2cyclictest32583-21ps00:20:222
674299221,2cyclictest32134-21diskmemload22:58:532
674299220,2cyclictest25985-21/usr/sbin/munin19:50:142
674299220,21cyclictest0-21swapper/219:35:132
674299220,1cyclictest32134-21diskmemload00:35:342
673899223,5cyclictest22106-21kernelversion23:55:201
674499211,2cyclictest32134-21diskmemload22:40:083
674299211,1cyclictest32134-21diskmemload22:16:352
674299210,3cyclictest17540-21cat19:30:192
674299210,1cyclictest0-21swapper/222:41:372
674299210,1cyclictest0-21swapper/220:05:142
673899210,2cyclictest141rcu_preempt21:41:251
674499200,1cyclictest0-21swapper/300:20:143
674299201,1cyclictest32134-21diskmemload22:26:402
674299200,1cyclictest0-21swapper/220:40:212
673899201,18cyclictest32134-21diskmemload22:35:461
673899200,2cyclictest0-21swapper/123:35:271
673499201,11cyclictest20477-21hostname22:00:140
674499192,2cyclictest141rcu_preempt21:52:163
6744991918,1cyclictest0-21swapper/300:16:153
674499190,1cyclictest0-21swapper/300:07:173
674299192,13cyclictest225-21systemd-journal21:10:002
674299191,17cyclictest537-21snmpd19:25:132
673899190,1cyclictest18177-21expr23:15:141
6734991917,1cyclictest0-21swapper/023:55:420
673499190,18cyclictest0-21swapper/021:20:010
674299180,1cyclictest0-21swapper/220:55:122
6738991818,0cyclictest0-21swapper/122:31:591
6738991816,1cyclictest32134-21diskmemload23:31:531
6738991814,1cyclictest0-21swapper/122:16:181
6734991816,1cyclictest0-21swapper/000:16:310
674499177,3cyclictest15949-21apt-get00:30:143
674499172,4cyclictest0-21swapper/322:47:373
674499172,1cyclictest7391-21apache_accesses00:25:133
674299171,2cyclictest25291-21grep19:45:282
674299170,2cyclictest22028-21gltestperf19:40:162
674299170,2cyclictest22028-21gltestperf19:40:162
673899170,17cyclictest0-21swapper/122:27:441
673899170,17cyclictest0-21swapper/121:28:181
673899170,14cyclictest0-21swapper/100:00:141
674499160,1cyclictest0-21swapper/321:30:253
674299161,2cyclictest8172-21apt-get20:20:132
674299160,1cyclictest17290-21sort20:35:262
674299160,1cyclictest0-21swapper/220:15:322
674299160,14cyclictest0-21swapper/219:55:232
6738991616,0cyclictest0-21swapper/121:30:371
673899160,2cyclictest0-21swapper/123:27:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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