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2026-01-14 - 08:05
[ 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 #9, 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 376 highest latencies:
System rack9slot4s (updated Wed Jan 14, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107399912641227,21cyclictest0-21swapper/019:25:130
107409912411219,18cyclictest10936-21wget19:25:111
107409911811162,16cyclictest0-21swapper/120:40:241
105612713669,28sleep10-21swapper/119:23:411
105362574530,29sleep00-21swapper/019:23:240
466721230,7sleep01073999cyclictest00:15:200
1073999112103,6cyclictest0-21swapper/020:40:230
312242600,8sleep10-21swapper/121:55:281
228552600,23sleep03-21ksoftirqd/022:20:220
188062570,2sleep018802-21cut00:30:160
1073999457,5cyclictest81rcu_preempt23:23:390
1074099431,10cyclictest0-21swapper/121:40:111
58122410,6sleep05815-21unixbench_multi00:50:240
1074099417,31cyclictest0-21swapper/122:20:361
1073999409,28cyclictest0-21swapper/021:51:360
193732381,33sleep119387-21ssh22:16:361
1074099385,5cyclictest0-21swapper/123:49:161
1074099381,33cyclictest0-21swapper/123:00:361
10739993820,9cyclictest3-21ksoftirqd/021:34:100
1073999381,10cyclictest0-21swapper/000:25:180
1074099375,4cyclictest81rcu_preempt22:38:071
10740993727,6cyclictest31389-21ssh00:43:081
10740993718,8cyclictest22-21ksoftirqd/123:31:011
1073999378,13cyclictest0-21swapper/022:36:210
21392360,2sleep12138-21timerwakeupswit23:05:291
1074099365,5cyclictest81rcu_preempt21:00:261
1074099363,31cyclictest0-21swapper/120:28:161
1074099361,6cyclictest15946-21sh23:53:571
1073999362,5cyclictest0-21swapper/000:02:560
1073999362,5cyclictest0-21swapper/000:02:550
1074099356,4cyclictest81rcu_preempt22:51:321
1074099354,4cyclictest81rcu_preempt21:36:381
1074099352,29cyclictest0-21swapper/100:31:151
1073999356,5cyclictest81rcu_preempt22:04:230
1073999352,29cyclictest0-21swapper/022:25:350
1073999351,22cyclictest11110-21tune2fs21:35:150
1073999350,11cyclictest81rcu_preempt22:43:430
4792341,5sleep00-21swapper/023:04:570
191662341,29sleep119179-21sh23:23:491
148662341,4sleep114933-21processes22:45:261
1074099344,4cyclictest81rcu_preempt23:39:171
10740993421,10cyclictest0-21swapper/121:19:161
1074099341,6cyclictest0-21swapper/100:51:551
10740993414,4cyclictest81rcu_preempt22:05:291
1074099341,29cyclictest1408-21ssh00:11:561
1073999349,12cyclictest0-21swapper/000:10:160
1073999343,3cyclictest0-21swapper/000:48:560
1073999342,18cyclictest0-21swapper/022:45:190
10739993419,5cyclictest3-21ksoftirqd/021:12:250
10739993417,14cyclictest3-21ksoftirqd/021:18:300
1073999341,5cyclictest9747-21fschecks_time20:45:160
1073999341,30cyclictest0-21swapper/021:24:550
1073999341,29cyclictest6001-21kworker/0:223:36:150
10739993410,12cyclictest3302-21runrttasks19:38:130
1074099336,16cyclictest0-21swapper/100:29:481
1074099334,4cyclictest81rcu_preempt21:48:081
1074099333,4cyclictest81rcu_preempt00:00:031
1074099333,4cyclictest81rcu_preempt00:00:031
1074099333,28cyclictest0-21swapper/123:17:161
10740993310,4cyclictest81rcu_preempt23:55:581
1073999336,13cyclictest17983-21unixbench_multi21:05:290
1073999334,9cyclictest26921-21diskstats00:05:140
1073999332,28cyclictest0-21swapper/023:47:350
1073999332,20cyclictest0-21swapper/023:44:380
1073999331,6cyclictest0-21swapper/019:30:360
1073999331,30cyclictest0-21swapper/019:55:350
1073999331,21cyclictest16738-21tr21:40:260
10739993311,9cyclictest6070-21df_inode23:10:140
263902321,9sleep10-21swapper/120:04:541
1074099325,4cyclictest81rcu_preempt20:34:201
1074099324,4cyclictest81rcu_preempt20:47:591
1074099324,4cyclictest81rcu_preempt00:20:121
1074099324,16cyclictest1210-21df_inode21:25:121
1074099324,16cyclictest1210-21df_inode21:25:121
1074099323,9cyclictest0-21swapper/121:20:201
1074099323,4cyclictest81rcu_preempt22:11:291
1074099323,4cyclictest81rcu_preempt20:18:481
1074099321,4cyclictest81rcu_preempt22:00:551
1074099321,4cyclictest81rcu_preempt19:30:121
1074099321,29cyclictest0-21swapper/122:41:161
1073999328,5cyclictest0-21swapper/000:42:300
1073999324,5cyclictest81rcu_preempt19:48:440
1073999323,4cyclictest81rcu_preempt23:30:200
10739993224,5cyclictest12827-21fschecks_time22:10:150
1073999322,19cyclictest0-21swapper/020:50:260
1073999321,4cyclictest10385-21ssh22:07:360
1073999321,4cyclictest0-21swapper/019:54:350
1073999321,29cyclictest0-21swapper/020:28:360
1073999321,29cyclictest0-21swapper/020:11:550
10739993212,6cyclictest16811-21cat23:55:010
1073999321,15cyclictest1022-21grep23:05:110
1074099316,13cyclictest22-21ksoftirqd/120:20:201
1074099313,4cyclictest81rcu_preempt22:29:211
1074099312,5cyclictest81rcu_preempt00:09:241
1074099311,5cyclictest0-21swapper/122:58:361
1074099311,4cyclictest81rcu_preempt23:42:121
1074099311,4cyclictest81rcu_preempt23:25:191
1074099311,4cyclictest81rcu_preempt20:53:271
1073999314,4cyclictest81rcu_preempt22:16:340
1073999312,4cyclictest81rcu_preempt21:58:210
10739993123,6cyclictest0-21swapper/021:26:550
10739993123,6cyclictest0-21swapper/021:26:550
1073999311,5cyclictest0-21swapper/000:24:160
1073999311,3cyclictest22274-21ssh23:26:160
1073999311,28cyclictest0-21swapper/019:40:360
1073999311,28cyclictest0-21swapper/000:35:350
1073999311,17cyclictest0-21swapper/023:15:040
322222300,8sleep01073999cyclictest20:20:100
265662300,2sleep126569-21sort21:50:291
225582301,3sleep10-21swapper/119:54:131
207632301,3sleep020780-21diskstats21:45:160
1074099302,4cyclictest81rcu_preempt23:11:261
1074099302,4cyclictest81rcu_preempt00:45:171
10740993023,5cyclictest0-21swapper/120:07:161
10740993023,4cyclictest4380-21tune2fs00:15:151
1074099301,17cyclictest24862-21ssh00:35:431
1073999306,4cyclictest81rcu_preempt23:57:040
1073999303,14cyclictest15535-21irqstats21:00:180
1073999302,4cyclictest81rcu_preempt22:59:000
10739993011,6cyclictest1384-21ssh22:31:310
319552291,5sleep00-21swapper/020:19:090
242372291,5sleep10-21swapper/119:57:091
185162291,5sleep10-21swapper/119:41:091
1074099292,15cyclictest0-21swapper/121:13:121
1074099292,14cyclictest19879-21ntp_states19:45:241
1074099291,26cyclictest0-21swapper/120:36:061
1074099291,10cyclictest70362mailstats21:30:271
1073999295,5cyclictest81rcu_preempt22:55:010
10739992911,6cyclictest25188-21hddtemp_smartct20:00:170
69892281,5sleep00-21swapper/020:37:370
147222281,5sleep10-21swapper/120:59:431
1074099280,4cyclictest81rcu_preempt22:31:591
10739992811,5cyclictest4323-21memory20:30:220
1073999281,15cyclictest13566-21/usr/sbin/munin20:55:170
183012271,5sleep10-21swapper/121:07:421
1074099274,14cyclictest0-21swapper/119:36:051
10740992617,5cyclictest29193-21sed20:10:231
1073999261,12cyclictest27076-21wget20:05:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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