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2026-03-09 - 07:28
[ 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 Mon Mar 09, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
925229986,9sleep00-21swapper/019:08:590
926929461,8sleep20-21swapper/219:09:122
906628067,9sleep30-21swapper/319:06:333
930027959,16sleep10-21swapper/119:09:351
942499290,2cyclictest141rcu_preempt00:05:293
942499280,27cyclictest0-21swapper/323:20:123
942499280,1cyclictest0-21swapper/322:53:423
942499270,1cyclictest0-21swapper/322:08:033
942499270,1cyclictest0-21swapper/321:38:043
9420992717,9cyclictest32-21ksoftirqd/219:25:122
9411992725,2cyclictest13-21ksoftirqd/021:13:200
9424992625,1cyclictest0-21swapper/323:52:343
9424992625,1cyclictest0-21swapper/320:45:443
942499260,2cyclictest0-21swapper/323:30:433
942499260,2cyclictest0-21swapper/323:30:423
942499260,2cyclictest0-21swapper/300:21:403
9420992625,1cyclictest0-21swapper/223:44:512
941899260,1cyclictest0-21swapper/122:53:421
941199260,25cyclictest0-21swapper/000:30:540
252452260,2sleep12423-21diskmemload23:19:561
9420992522,2cyclictest32-21ksoftirqd/200:33:462
9418992420,3cyclictest1972-21interrupts23:05:181
941899240,3cyclictest0-21swapper/100:12:441
941899240,24cyclictest2423-21diskmemload21:34:551
942499234,18cyclictest26592-21kworker/u8:200:39:173
942499230,2cyclictest0-21swapper/323:18:123
942499230,2cyclictest0-21swapper/322:04:093
942499230,1cyclictest0-21swapper/321:57:143
942499230,1cyclictest0-21swapper/321:57:143
942499230,1cyclictest0-21swapper/321:31:293
9420992320,2cyclictest20956-21apache_processe00:15:112
942099230,22cyclictest0-21swapper/221:48:422
941899230,23cyclictest0-21swapper/123:01:271
941899230,1cyclictest0-21swapper/121:38:041
9411992321,1cyclictest18726-21memory23:15:200
9411992321,1cyclictest15464-21apache_accesses22:35:110
9411992320,2cyclictest32401-21/usr/sbin/munin22:45:240
9411992320,2cyclictest19481-21apache_volume23:55:120
9411992320,2cyclictest13022-21df_inode21:35:150
9424992220,1cyclictest0-21swapper/300:29:213
9424992216,3cyclictest39-21ksoftirqd/321:17:543
942499220,2cyclictest0-21swapper/300:30:103
9420992219,2cyclictest21910-21/usr/sbin/munin00:35:162
942099221,21cyclictest0-21swapper/200:01:532
942099220,22cyclictest0-21swapper/222:04:242
941899220,0cyclictest0-21swapper/122:08:031
9411992220,1cyclictest28802-21/usr/sbin/munin00:20:000
9411992220,1cyclictest20698-21memory21:20:180
9411992220,1cyclictest11527-21ntp_states23:30:220
9411992220,1cyclictest11527-21ntp_states23:30:210
9411992219,2cyclictest7172-21apache_accesses22:30:120
9411992219,2cyclictest30085-21perl00:20:150
9411992219,2cyclictest16582-21users22:15:250
9420992119,1cyclictest10287-21users22:50:252
9420992111,9cyclictest14410-21latency20:25:202
941899212,18cyclictest0-21swapper/123:57:401
941899210,1cyclictest0-21swapper/123:30:431
941899210,1cyclictest0-21swapper/123:30:431
9411992120,1cyclictest0-21swapper/022:25:200
9411992119,1cyclictest13498-21hddtemp_smartct00:10:170
9411992119,1cyclictest11314-21apache_volume21:15:130
942499200,4cyclictest0-21swapper/322:45:133
942499200,1cyclictest0-21swapper/321:23:333
942499200,0cyclictest0-21swapper/322:18:053
9418992019,1cyclictest0-21swapper/122:21:521
9418992019,1cyclictest0-21swapper/122:16:081
9418992018,1cyclictest0-21swapper/122:38:361
941899200,20cyclictest0-21swapper/123:52:341
941899200,18cyclictest0-21swapper/100:09:501
941899200,17cyclictest0-21swapper/121:13:311
941899200,16cyclictest0-21swapper/121:18:241
9411992020,0cyclictest0-21swapper/022:05:060
9411992018,1cyclictest5328-21ntp_states21:30:170
942499190,2cyclictest0-21swapper/322:42:053
942499190,2cyclictest0-21swapper/300:02:363
942499190,1cyclictest0-21swapper/300:11:563
9420991917,1cyclictest2419-21munin-run21:09:592
9420991917,1cyclictest23597-21df_inode22:20:162
9418991919,0cyclictest0-21swapper/119:20:271
9418991918,1cyclictest0-21swapper/121:41:381
9418991916,3cyclictest0-21swapper/123:49:221
941899190,0cyclictest0-21swapper/122:46:351
941199190,18cyclictest0-21swapper/000:36:580
942499180,1cyclictest0-21swapper/323:45:393
942499180,1cyclictest0-21swapper/322:38:363
942499180,18cyclictest0-21swapper/321:41:383
942099180,18cyclictest0-21swapper/223:02:572
941899189,6cyclictest2423-21diskmemload22:11:471
941899181,1cyclictest0-21swapper/123:20:121
942499170,1cyclictest0-21swapper/323:57:503
9420991714,2cyclictest18415-21/usr/sbin/munin23:35:192
9420991714,2cyclictest12637-21apache_volume00:10:132
942099170,3cyclictest0-21swapper/200:22:012
9418991717,0cyclictest0-21swapper/121:05:171
9424991615,1cyclictest0-21swapper/323:40:203
942099160,2cyclictest0-21swapper/220:00:122
942099160,2cyclictest0-21swapper/220:00:112
942099160,15cyclictest0-21swapper/200:05:122
9418991612,2cyclictest0-21swapper/100:35:121
941899160,2cyclictest0-21swapper/120:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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