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2026-01-17 - 05:21
[ 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 Sat Jan 17, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72419912626,5cyclictest22-21ksoftirqd/119:25:101
67622654606,32sleep10-21swapper/119:20:331
70022510417,30sleep00-21swapper/019:23:020
724099217193,14cyclictest0-21swapper/019:25:100
111612870,9sleep0724099cyclictest23:19:120
62192820,10sleep1201rcuc/120:45:151
41912780,3sleep1211ktimersoftd/123:45:141
50442760,3sleep0111rcuc/022:05:240
271622590,2sleep027163-21sh21:21:300
7241995120,4cyclictest22-21ksoftirqd/100:03:481
7241995022,4cyclictest22-21ksoftirqd/121:43:481
7241995017,4cyclictest22-21ksoftirqd/121:56:301
7241994911,6cyclictest22-21ksoftirqd/100:15:251
724199481,7cyclictest22-21ksoftirqd/122:52:121
724199481,7cyclictest22-21ksoftirqd/121:11:231
724199481,6cyclictest22-21ksoftirqd/123:08:101
724199481,6cyclictest22-21ksoftirqd/121:34:081
724199481,5cyclictest22-21ksoftirqd/123:00:471
7241994722,3cyclictest22-21ksoftirqd/122:09:141
724199471,7cyclictest22-21ksoftirqd/122:48:411
724199471,6cyclictest22-21ksoftirqd/123:13:591
724199471,6cyclictest22-21ksoftirqd/122:10:071
299792470,8sleep1724199cyclictest20:20:291
7241994623,8cyclictest22-21ksoftirqd/121:35:181
724199461,7cyclictest22-21ksoftirqd/121:26:131
724199461,6cyclictest22-21ksoftirqd/100:34:501
724199461,5cyclictest22-21ksoftirqd/100:28:491
724199451,7cyclictest22-21ksoftirqd/121:23:331
724199451,7cyclictest22-21ksoftirqd/100:21:571
724199451,6cyclictest22-21ksoftirqd/123:54:031
724199451,6cyclictest22-21ksoftirqd/123:25:581
724199451,6cyclictest22-21ksoftirqd/123:16:471
724199451,6cyclictest22-21ksoftirqd/122:36:561
724199451,6cyclictest22-21ksoftirqd/121:16:011
724199448,6cyclictest22-21ksoftirqd/123:57:591
724199448,5cyclictest22-21ksoftirqd/122:03:081
7241994422,9cyclictest22-21ksoftirqd/119:50:011
7241994418,4cyclictest22-21ksoftirqd/123:35:131
724199441,6cyclictest22-21ksoftirqd/122:26:511
724199441,6cyclictest22-21ksoftirqd/121:53:201
724199441,6cyclictest22-21ksoftirqd/100:52:041
724199441,5cyclictest22-21ksoftirqd/122:40:031
724199437,4cyclictest81rcu_preempt20:05:171
724199436,6cyclictest22-21ksoftirqd/120:40:131
724199431,7cyclictest22-21ksoftirqd/100:38:461
724199431,5cyclictest22-21ksoftirqd/123:34:431
724199426,6cyclictest22-21ksoftirqd/100:46:161
724199426,4cyclictest81rcu_preempt20:00:171
724199426,4cyclictest81rcu_preempt19:50:181
724199426,4cyclictest81rcu_preempt19:35:291
724199425,6cyclictest22-21ksoftirqd/120:15:261
7241994222,8cyclictest22-21ksoftirqd/123:42:211
724199419,6cyclictest22-21ksoftirqd/121:46:221
724199416,4cyclictest81rcu_preempt20:50:221
724199416,4cyclictest81rcu_preempt19:55:281
724199416,4cyclictest81rcu_preempt19:30:191
724199415,5cyclictest81rcu_preempt22:55:231
724199415,4cyclictest81rcu_preempt20:55:181
724199415,4cyclictest81rcu_preempt20:35:251
724199415,4cyclictest81rcu_preempt20:10:251
724199408,6cyclictest22-21ksoftirqd/122:34:551
7241994017,6cyclictest22-21ksoftirqd/122:20:281
7241994015,4cyclictest22-21ksoftirqd/122:19:251
7241994012,8cyclictest22-21ksoftirqd/100:41:371
724199394,6cyclictest22-21ksoftirqd/100:07:401
7241993922,4cyclictest22-21ksoftirqd/121:09:521
120972391,4sleep012108-21ssh22:13:120
724199381,6cyclictest12644-21if_eth023:20:191
724099383,21cyclictest20158-21df_inode00:35:130
7240993828,6cyclictest3302-21runrttasks19:50:360
263052381,33sleep026315-21ssh00:07:540
724199373,5cyclictest22-21ksoftirqd/120:30:131
724199373,4cyclictest81rcu_preempt00:10:101
724099378,18cyclictest0-21swapper/023:47:450
724099376,27cyclictest0-21swapper/000:43:160
299232371,32sleep029978-21users20:20:290
724099369,13cyclictest12464-21sh23:53:490
724099363,29cyclictest0-21swapper/022:40:350
724099363,29cyclictest0-21swapper/000:15:150
84982351,30sleep08630-21users21:35:290
7241993515,4cyclictest22-21ksoftirqd/119:45:001
724099356,4cyclictest81rcu_preempt21:56:510
319032351,30sleep02645-21snmpd21:26:220
7241993417,4cyclictest22-21ksoftirqd/121:00:171
724099345,5cyclictest81rcu_preempt00:45:280
7240993428,3cyclictest0-21swapper/000:23:160
7240993426,5cyclictest2403-21irqbalance21:31:150
724099342,4cyclictest0-21swapper/022:16:360
7240993418,5cyclictest3-21ksoftirqd/023:24:090
181442341,29sleep018146-21ssh22:52:360
7241993317,5cyclictest22-21ksoftirqd/120:25:151
724099336,10cyclictest0-21swapper/021:46:350
724099334,4cyclictest81rcu_preempt23:36:480
724099334,18cyclictest0-21swapper/022:45:440
724099333,4cyclictest81rcu_preempt23:43:290
724099333,4cyclictest81rcu_preempt23:13:240
724099332,4cyclictest0-21swapper/021:17:150
724099332,28cyclictest0-21swapper/023:09:150
724099331,19cyclictest22643-21taskset20:02:180
724099331,19cyclictest11626-21cpuspeed_turbos21:00:110
7240993311,17cyclictest0-21swapper/021:51:390
724099328,12cyclictest30497-21gdbus00:25:110
724099324,4cyclictest81rcu_preempt00:50:040
724099324,4cyclictest81rcu_preempt00:30:390
724099323,13cyclictest2206-21dbus-daemon20:25:260
7240993224,6cyclictest0-21swapper/019:45:160
7240993221,7cyclictest28127-21/usr/sbin/munin00:10:100
724099322,16cyclictest26818-21/usr/sbin/munin20:15:220
298602321,27sleep029874-21ssh22:30:540
724099315,5cyclictest22232-21ssh22:56:290
724099313,5cyclictest81rcu_preempt23:00:110
724099313,4cyclictest81rcu_preempt21:11:190
724099312,4cyclictest81rcu_preempt23:31:230
7240993124,5cyclictest0-21swapper/020:56:360
724099312,15cyclictest17522-21iostat23:25:200
724099311,28cyclictest0-21swapper/020:40:350
724099311,27cyclictest0-21swapper/020:32:150
724099311,16cyclictest2735-21ssh22:36:250
724099311,16cyclictest11774-21/usr/sbin/munin19:35:250
724099311,13cyclictest15790-21kworker/0:322:20:170
724099311,12cyclictest0-21swapper/021:42:100
203532311,5sleep00-21swapper/000:01:140
179662311,3sleep017979-21sh23:59:490
724099308,11cyclictest14105-21grep21:05:230
724099304,8cyclictest7653-21/usr/sbin/munin20:50:310
7240993023,5cyclictest0-21swapper/022:04:060
724099302,14cyclictest19887-21iostat19:55:190
724099301,27cyclictest0-21swapper/020:48:560
7240993012,6cyclictest2406-21hddtemp_smartct20:35:160
265222301,5sleep00-21swapper/020:13:400
243842301,5sleep00-21swapper/020:05:550
151002301,4sleep02206-21dbus-daemon19:42:050
7240992912,4cyclictest23320-21/usr/sbin/munin22:25:280
7240992910,5cyclictest10824-21awk19:30:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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