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2026-01-27 - 04:05
[ 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 Jan 27, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2051029885,8sleep00-21swapper/019:08:050
2032429777,15sleep20-21swapper/219:05:422
2052329264,22sleep30-21swapper/319:08:173
2044328767,16sleep10-21swapper/119:07:141
2075299263,20cyclictest0-21swapper/323:20:223
2074699240,23cyclictest20445-21sed22:10:251
2074699240,20cyclictest0-21swapper/121:37:261
2074699230,18cyclictest0-21swapper/100:05:111
2074699220,21cyclictest0-21swapper/121:10:241
2074999210,21cyclictest0-21swapper/222:03:412
20746992119,1cyclictest38150irq/131-snd_hda21:05:191
2075299204,8cyclictest0-21swapper/322:10:173
20752992019,1cyclictest0-21swapper/321:38:083
20746992018,1cyclictest25-21ksoftirqd/123:03:511
20746992016,3cyclictest0-21swapper/122:41:031
171472200,0sleep10-21swapper/121:50:101
20752991918,1cyclictest0-21swapper/323:36:523
2074699190,2cyclictest0-21swapper/122:21:171
2074699190,17cyclictest0-21swapper/121:24:181
20744991918,1cyclictest0-21swapper/021:05:120
39832180,0sleep00-21swapper/023:55:550
2075299181,16cyclictest27080-21ssh22:34:263
2075299180,2cyclictest0-21swapper/322:05:123
2074999181,14cyclictest0-21swapper/222:32:082
20746991816,2cyclictest0-21swapper/123:26:441
20746991815,2cyclictest38150irq/131-snd_hda00:00:531
2074699180,1cyclictest0-21swapper/100:35:551
2074499182,15cyclictest1142-21runrttasks22:06:510
2074499182,12cyclictest1684-21apt-get22:00:130
20744991811,7cyclictest13-21ksoftirqd/023:04:190
2075299172,3cyclictest1138-21kworker/u8:023:57:553
2075299170,16cyclictest0-21swapper/322:47:013
2075299170,0cyclictest0-21swapper/322:43:423
2074999173,3cyclictest141rcu_preempt23:45:322
20749991716,1cyclictest55650irq/127-enp2s0-21:11:542
2074999170,16cyclictest0-21swapper/222:44:122
2074699178,7cyclictest38150irq/131-snd_hda23:47:541
20746991717,0cyclictest0-21swapper/122:37:521
2074699170,1cyclictest0-21swapper/123:55:141
20744991715,2cyclictest13-21ksoftirqd/021:11:550
2075299161,2cyclictest141rcu_preempt21:43:553
20749991615,1cyclictest32-21ksoftirqd/221:41:522
20749991613,3cyclictest5078-21apache223:40:412
2074999160,1cyclictest0-21swapper/223:05:332
2074999160,1cyclictest0-21swapper/223:05:332
20746991614,2cyclictest25-21ksoftirqd/121:15:391
20746991614,1cyclictest5078-21apache223:12:471
2074699160,2cyclictest0-21swapper/122:03:101
2074499165,6cyclictest2344-21munin-run00:15:000
2074499162,6cyclictest0-21swapper/022:50:020
2075299152,12cyclictest13782-21diskmemload00:37:553
2074999151,13cyclictest23271-21/usr/sbin/munin22:50:272
2074999150,0cyclictest0-21swapper/221:55:432
20746991511,3cyclictest1281-21tune2fs19:35:161
2074699150,13cyclictest0-21swapper/121:40:121
2074699150,13cyclictest0-21swapper/100:23:441
20744991515,0cyclictest0-21swapper/021:35:140
2074499151,11cyclictest19104-21gltestperf00:05:180
2075299149,3cyclictest11880-21tr21:05:133
2075299141,2cyclictest15474-21apache_accesses21:30:113
20752991410,3cyclictest23074-21cron19:15:003
20752991410,3cyclictest17347-21ls20:10:003
20752991410,3cyclictest10990-21munin-run22:25:003
2075299140,1cyclictest0-21swapper/300:15:043
2075299140,12cyclictest2817-21tr20:45:173
2074999148,5cyclictest15505-21apt-get23:25:142
20749991413,1cyclictest0-21swapper/223:52:072
20749991411,3cyclictest32-21ksoftirqd/200:25:592
2074699141,13cyclictest0-21swapper/122:55:131
2074699140,1cyclictest0-21swapper/122:47:551
2074499149,3cyclictest24884-21awk23:50:000
2074499141,7cyclictest19390-21munin-run22:30:000
2074499141,6cyclictest14774-21awk20:05:000
20744991412,2cyclictest20738-21cyclictest23:25:130
20744991411,2cyclictest20965-21grep00:25:220
20744991410,3cyclictest25729-21cut20:25:190
20744991410,3cyclictest16723-21cron21:50:000
20744991410,3cyclictest10261-21basename19:55:140
2075299139,3cyclictest29949-21tr22:55:143
2075299138,2cyclictest0-21swapper/300:07:563
2075299135,4cyclictest0-21swapper/322:36:503
2075299134,5cyclictest225-21systemd-journal21:05:003
2075299131,8cyclictest13782-21diskmemload23:45:143
20752991310,2cyclictest31816-21grep19:30:193
20752991310,2cyclictest27215-21grep00:10:153
2075299130,9cyclictest0-21swapper/323:10:043
2075299130,2cyclictest0-21swapper/323:09:383
2075299130,2cyclictest0-21swapper/323:09:383
2074999139,2cyclictest0-21swapper/222:48:012
20749991310,2cyclictest4176-21ssh00:15:212
20749991310,2cyclictest3706-21grep19:40:162
20749991310,2cyclictest31944-21grep19:30:212
20749991310,2cyclictest24239-21cat23:10:252
20749991310,2cyclictest22526-21wc20:20:012
20749991310,2cyclictest16667-21cat21:30:192
20749991310,2cyclictest1653-21cat19:35:192
20749991310,2cyclictest14008-21taskset22:25:502
2074699139,3cyclictest2767-21cut20:45:161
2074699139,3cyclictest26513-21sed19:20:161
2074699136,3cyclictest225-21systemd-journal23:31:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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