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2026-01-17 - 23:58
[ 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 Sat Jan 17, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1724321180,0sleep00-21swapper/009:41:110
285929279,9sleep00-21swapper/007:07:330
281428666,9sleep20-21swapper/207:06:592
295928269,9sleep30-21swapper/307:08:523
304028164,13sleep10-21swapper/107:09:551
3142992927,2cyclictest0-21swapper/110:39:101
3142992927,2cyclictest0-21swapper/110:39:101
314499270,27cyclictest0-21swapper/211:48:242
314299271,0cyclictest0-21swapper/112:27:281
314499260,26cyclictest0-21swapper/211:40:592
314299260,0cyclictest0-21swapper/111:21:121
3148992421,2cyclictest94-21kswapd009:38:543
3142992424,0cyclictest0-21swapper/111:53:191
3148992318,5cyclictest39-21ksoftirqd/311:33:523
3144992323,0cyclictest0-21swapper/211:15:392
314499230,3cyclictest0-21swapper/212:24:412
314299230,18cyclictest0-21swapper/111:40:131
313999230,23cyclictest0-21swapper/009:12:010
314299220,1cyclictest0-21swapper/109:25:151
314299220,19cyclictest28148-21diskmemload11:32:531
113442220,0sleep00-21swapper/009:57:140
314299210,0cyclictest0-21swapper/110:56:071
313999211,2cyclictest141rcu_preempt10:21:270
314499200,19cyclictest0-21swapper/211:09:332
314499200,16cyclictest0-21swapper/210:31:242
314299201,10cyclictest0-21swapper/108:30:131
314299200,20cyclictest0-21swapper/109:16:561
3139992019,1cyclictest0-21swapper/007:22:500
3148991917,2cyclictest39-21ksoftirqd/311:46:173
314499190,17cyclictest0-21swapper/210:26:102
3142991916,2cyclictest0-21swapper/111:06:221
314299190,1cyclictest141rcu_preempt11:12:131
314299190,0cyclictest0-21swapper/111:45:391
314899188,7cyclictest17678-21apache212:34:193
314899188,7cyclictest17678-21apache212:34:193
3148991816,1cyclictest0-21swapper/309:45:343
314899180,17cyclictest25421-21kworker/3:111:27:133
314899180,17cyclictest25421-21kworker/3:109:50:033
3144991817,1cyclictest0-21swapper/211:30:142
3142991817,1cyclictest0-21swapper/111:25:141
314299180,2cyclictest0-21swapper/109:11:101
314299180,1cyclictest0-21swapper/110:22:161
314899174,12cyclictest16416-21df12:35:153
3148991716,1cyclictest25421-21kworker/3:111:10:333
314899170,16cyclictest0-21swapper/311:05:033
314499170,15cyclictest0-21swapper/210:53:152
3142991716,1cyclictest0-21swapper/112:31:361
3142991716,1cyclictest0-21swapper/112:31:361
3142991715,1cyclictest0-21swapper/111:04:451
314299170,17cyclictest0-21swapper/109:45:521
314299170,16cyclictest0-21swapper/110:48:051
314899161,9cyclictest19725-21grep10:40:273
3148991613,2cyclictest17650-21apache210:37:133
3148991613,2cyclictest17650-21apache210:37:123
3144991614,1cyclictest0-21swapper/210:23:562
314499160,1cyclictest0-21swapper/212:36:122
3142991614,1cyclictest16896-21ssh12:35:171
313999164,6cyclictest26316-21ssh10:45:160
313999160,3cyclictest0-21swapper/010:38:500
313999160,3cyclictest0-21swapper/010:38:490
314899158,6cyclictest1370-21apache212:15:523
314899156,7cyclictest475-21in:imuxsock08:44:593
3148991513,2cyclictest25421-21kworker/3:111:22:333
314499152,12cyclictest17778-21/usr/sbin/munin10:40:122
314499150,1cyclictest0-21swapper/211:38:482
314499150,0cyclictest0-21swapper/209:50:042
314299155,1cyclictest28148-21diskmemload09:31:291
3142991511,1cyclictest0-21swapper/109:55:381
314299150,3cyclictest0-21swapper/109:51:251
314299150,1cyclictest0-21swapper/111:55:401
314299150,0cyclictest0-21swapper/110:01:251
313999153,6cyclictest25789-21munin-run09:05:010
313999151,7cyclictest15990-21munin-run08:45:010
3139991510,3cyclictest13001-21grep07:30:140
314899142,9cyclictest39-21ksoftirqd/309:34:463
3148991411,2cyclictest29174-21chrt09:29:563
3148991410,2cyclictest31973-21tr12:05:203
3148991410,2cyclictest26848-21wc10:25:273
314899140,13cyclictest25421-21kworker/3:109:15:033
3144991414,0cyclictest0-21swapper/212:33:032
3144991414,0cyclictest0-21swapper/212:33:032
3144991412,2cyclictest32-21ksoftirqd/210:17:012
3144991411,2cyclictest24792-21grep10:05:172
3144991410,4cyclictest32-21ksoftirqd/209:13:372
3144991410,3cyclictest18796-21sed07:40:192
3144991410,3cyclictest15671-21ls09:40:232
314499140,1cyclictest0-21swapper/211:56:412
314299149,1cyclictest23794-21apt-get10:05:031
3142991413,1cyclictest0-21swapper/110:25:011
3142991412,1cyclictest0-21swapper/107:30:211
3142991410,3cyclictest25257-21sed12:20:271
314299140,1cyclictest0-21swapper/110:41:351
313999144,5cyclictest141rcu_preempt12:20:160
3139991412,2cyclictest13-21ksoftirqd/012:10:090
314899139,3cyclictest6979-21head07:15:213
314899139,3cyclictest25957-21tail10:05:263
314899132,8cyclictest537-21snmpd11:50:343
3148991312,1cyclictest25421-21kworker/3:109:24:033
3148991312,1cyclictest0-21swapper/312:02:463
3148991311,2cyclictest25421-21kworker/3:111:17:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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