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2026-02-16 - 03:06
[ 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 Mon Feb 16, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136679912281218,7cyclictest0-21swapper/019:25:410
136689911231099,19cyclictest0-21swapper/119:25:251
133222620572,32sleep10-21swapper/119:21:581
134512561517,29sleep00-21swapper/019:23:170
292292950,5sleep129227-21ssh21:50:281
165452860,3sleep00-21swapper/022:45:000
309902800,4sleep1211ktimersoftd/123:00:001
202502760,4sleep0111rcuc/000:29:040
262252590,8sleep01366799cyclictest21:14:550
13668995924,4cyclictest22-21ksoftirqd/123:35:201
13668995924,4cyclictest22-21ksoftirqd/123:35:191
209352540,7sleep11366899cyclictest19:40:241
140952470,3sleep041ktimersoftd/022:08:460
13668994526,5cyclictest22-21ksoftirqd/123:43:501
118082450,8sleep01366799cyclictest00:20:140
13668994413,6cyclictest22-21ksoftirqd/100:23:401
13668994410,6cyclictest22-21ksoftirqd/100:30:181
96452430,4sleep01366799cyclictest20:35:290
1366899438,6cyclictest22-21ksoftirqd/121:42:311
13668994323,4cyclictest22-21ksoftirqd/123:31:051
13668994312,6cyclictest22-21ksoftirqd/100:00:241
13668994220,9cyclictest22-21ksoftirqd/123:15:001
1366899417,4cyclictest13588-21grep23:15:111
13668994128,5cyclictest22-21ksoftirqd/120:20:111
13668994126,4cyclictest22-21ksoftirqd/100:40:291
1366899411,7cyclictest22-21ksoftirqd/121:35:211
1366899411,7cyclictest22-21ksoftirqd/121:10:191
1366899411,7cyclictest22-21ksoftirqd/119:30:261
1366899411,6cyclictest22-21ksoftirqd/122:40:241
1366799414,13cyclictest81rcu_preempt21:40:130
188492401,35sleep118862-21ssh23:54:091
13668994018,4cyclictest22-21ksoftirqd/100:08:281
1366899401,7cyclictest22-21ksoftirqd/123:00:291
1366899401,7cyclictest22-21ksoftirqd/122:50:291
1366899401,7cyclictest22-21ksoftirqd/122:45:261
1366899401,7cyclictest22-21ksoftirqd/122:25:221
1366899401,7cyclictest22-21ksoftirqd/122:10:181
1366899401,7cyclictest22-21ksoftirqd/122:00:131
1366899401,7cyclictest22-21ksoftirqd/121:55:191
1366899401,7cyclictest22-21ksoftirqd/121:25:301
1366899401,7cyclictest22-21ksoftirqd/121:20:261
1366899401,7cyclictest22-21ksoftirqd/121:05:181
1366899401,7cyclictest22-21ksoftirqd/121:05:171
1366899401,7cyclictest22-21ksoftirqd/121:00:291
1366899401,7cyclictest22-21ksoftirqd/120:35:181
1366899401,7cyclictest22-21ksoftirqd/119:45:161
1366899401,7cyclictest22-21ksoftirqd/100:15:221
1366899401,7cyclictest22-21ksoftirqd/100:15:221
1366899401,6cyclictest22-21ksoftirqd/123:27:591
1366899401,6cyclictest22-21ksoftirqd/123:05:111
1366899401,6cyclictest22-21ksoftirqd/122:05:261
1366899401,6cyclictest22-21ksoftirqd/120:15:191
1366899401,6cyclictest22-21ksoftirqd/100:35:161
1366899401,17cyclictest22-21ksoftirqd/100:45:111
13668993921,4cyclictest22-21ksoftirqd/121:49:461
1366899391,7cyclictest22-21ksoftirqd/123:55:201
1366899391,7cyclictest22-21ksoftirqd/122:15:101
1366899391,7cyclictest22-21ksoftirqd/121:15:151
1366899391,7cyclictest22-21ksoftirqd/120:55:141
1366899391,7cyclictest22-21ksoftirqd/120:25:211
1366899391,7cyclictest22-21ksoftirqd/120:05:261
1366899391,7cyclictest22-21ksoftirqd/120:00:151
1366899391,6cyclictest22-21ksoftirqd/122:20:261
1366899391,6cyclictest22-21ksoftirqd/120:50:131
1366899391,6cyclictest22-21ksoftirqd/120:40:111
1366899391,6cyclictest22-21ksoftirqd/120:30:161
1366899391,6cyclictest22-21ksoftirqd/100:50:291
1366799397,28cyclictest0-21swapper/021:31:150
13668993822,4cyclictest22-21ksoftirqd/122:30:161
1366899381,6cyclictest22-21ksoftirqd/122:40:011
1366899381,6cyclictest22-21ksoftirqd/120:10:121
1366899381,6cyclictest22-21ksoftirqd/119:55:261
1366899381,6cyclictest22-21ksoftirqd/119:50:201
1366899381,6cyclictest22-21ksoftirqd/100:25:301
13668993731,4cyclictest138250irq/90-eth000:13:181
1366899372,4cyclictest81rcu_preempt21:30:171
1366799373,5cyclictest0-21swapper/023:06:360
13667993727,7cyclictest0-21swapper/000:17:560
13667993727,7cyclictest0-21swapper/000:17:560
284292361,4sleep028431-21ssh22:23:300
13668993626,6cyclictest18665-21fschecks_count23:20:161
1366899361,6cyclictest22-21ksoftirqd/123:45:501
1366799368,4cyclictest21451-21diskmemload23:56:450
13667993618,5cyclictest3-21ksoftirqd/023:35:190
13667993618,5cyclictest3-21ksoftirqd/023:35:190
1366799358,4cyclictest81rcu_preempt23:20:500
1366799353,18cyclictest0-21swapper/020:25:540
13667993526,5cyclictest0-21swapper/022:38:350
13667993516,5cyclictest3-21ksoftirqd/021:37:280
13667993513,3cyclictest30497-21gdbus00:46:070
1366799351,29cyclictest21451-21diskmemload22:17:270
1366799344,4cyclictest81rcu_preempt23:26:520
1366799344,4cyclictest81rcu_preempt21:51:570
1366799342,29cyclictest0-21swapper/021:48:000
13667993417,14cyclictest3-21ksoftirqd/023:41:120
1366799341,5cyclictest31967-21ssh22:26:350
1366799341,4cyclictest26347-21fschecks_count00:35:160
13667993413,10cyclictest3-21ksoftirqd/023:53:140
1366799341,29cyclictest25884-21ssh22:54:360
1366799341,12cyclictest31429-21ssh23:33:320
1366799334,4cyclictest81rcu_preempt21:15:580
1366799333,4cyclictest81rcu_preempt20:48:260
1366799333,4cyclictest81rcu_preempt00:10:420
1366799332,12cyclictest18209-21users22:45:310
1366799331,4cyclictest81rcu_preempt22:10:360
13667993313,7cyclictest27211-21memory22:55:210
1366799331,18cyclictest1958-21awk21:55:300
58842321,27sleep06002-21fschecks_time22:00:170
1366899324,25cyclictest26419-21kworker/u4:219:35:581
1366799329,12cyclictest25360-21seq19:52:560
13667993224,6cyclictest0-21swapper/000:54:000
13667993223,6cyclictest0-21swapper/022:33:270
1366799321,29cyclictest0-21swapper/021:05:360
1366799321,29cyclictest0-21swapper/021:05:360
1366799318,11cyclictest6621-21/usr/sbin/munin20:30:120
1366799314,5cyclictest81rcu_preempt00:00:080
1366799311,27cyclictest0-21swapper/023:45:580
1366799311,27cyclictest0-21swapper/021:29:250
1366799311,27cyclictest0-21swapper/000:42:350
1366799308,6cyclictest3-21ksoftirqd/019:55:160
1366799303,14cyclictest31931-21/usr/sbin/munin20:10:180
1366799302,4cyclictest81rcu_preempt20:07:370
13667993023,4cyclictest0-21swapper/023:14:360
1366799301,4cyclictest81rcu_preempt19:40:320
1366799301,4cyclictest81rcu_preempt00:34:440
1366799301,4cyclictest4657-21latency_hist20:25:000
1366799301,3cyclictest0-21swapper/023:15:160
13667993011,6cyclictest732-21ssh21:20:550
1366799301,11cyclictest31291-21/usr/sbin/munin23:00:220
119012301,5sleep00-21swapper/020:43:320
198612291,5sleep00-21swapper/019:39:300
13668992921,4cyclictest22-21ksoftirqd/120:50:001
1366799292,14cyclictest14674-21iostat20:50:160
13667992911,5cyclictest81rcu_preempt21:05:010
13667992910,15cyclictest3-21ksoftirqd/000:07:050
291892281,5sleep00-21swapper/020:03:290
21032281,5sleep00-21swapper/020:15:420
1366799282,13cyclictest16459-21hddtemp_smartct20:55:170
1366799282,13cyclictest16326-21/usr/sbin/munin19:30:210
1366799271,4cyclictest81rcu_preempt19:47:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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