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2026-01-16 - 07:22
[ 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 highest latencies:
System rack9slot4s (updated Fri Jan 16, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145029912191201,15cyclictest0-21swapper/119:25:121
145029911271108,15cyclictest27305-21strings19:55:211
145019911221079,31cyclictest0-21swapper/019:25:130
142302627580,32sleep00-21swapper/019:22:450
142132563518,31sleep10-21swapper/119:22:331
14501998172,6cyclictest0-21swapper/019:55:210
62662410,7sleep01450199cyclictest21:25:360
154502410,8sleep01450199cyclictest23:15:300
14502993829,5cyclictest0-21swapper/100:30:551
1450199386,4cyclictest81rcu_preempt00:42:040
1450199381,19cyclictest0-21swapper/000:23:490
36492371,4sleep13803-21awk00:10:281
36492371,4sleep13803-21awk00:10:271
318032372,5sleep00-21swapper/020:07:340
312372370,9sleep11450299cyclictest23:32:151
14501993720,6cyclictest3-21ksoftirqd/000:14:560
14501993720,6cyclictest3-21ksoftirqd/000:14:560
1450199371,23cyclictest2403-21irqbalance21:34:050
118772370,8sleep01450199cyclictest23:12:130
166892361,3sleep116699-21ssh21:36:411
1450299361,31cyclictest0-21swapper/100:51:351
1450199364,14cyclictest2206-21dbus-daemon21:57:340
1450199363,17cyclictest0-21swapper/021:35:100
14501993621,5cyclictest3-21ksoftirqd/023:50:350
14501993618,6cyclictest3-21ksoftirqd/022:57:020
84402351,30sleep18454-21ssh22:01:331
40942351,30sleep14164-21if_eth000:45:191
1450299356,5cyclictest81rcu_preempt00:40:211
1450299355,26cyclictest19804-21ssh21:40:161
14502993526,5cyclictest12821-21ssh23:13:351
14502993526,5cyclictest0-21swapper/123:03:351
1450299351,5cyclictest11060-21ssh22:38:151
14501993525,6cyclictest11464-21/usr/sbin/munin23:45:210
1450199352,30cyclictest0-21swapper/022:01:150
14501993519,4cyclictest3-21ksoftirqd/022:45:130
14501993519,4cyclictest3-21ksoftirqd/000:00:290
14501993518,6cyclictest3-21ksoftirqd/022:38:470
14501993518,5cyclictest3-21ksoftirqd/023:45:000
14501993518,5cyclictest3-21ksoftirqd/000:52:150
1450199351,30cyclictest4733-21diskstats23:05:150
174402341,29sleep117456-21ssh00:25:181
1450299344,4cyclictest81rcu_preempt23:58:351
1450299344,4cyclictest81rcu_preempt23:19:301
1450299342,29cyclictest0-21swapper/122:10:151
1450199344,4cyclictest81rcu_preempt00:38:520
14501993419,5cyclictest3-21ksoftirqd/023:55:140
14501993416,6cyclictest3-21ksoftirqd/022:34:390
14501993415,5cyclictest3-21ksoftirqd/022:11:550
14501993415,5cyclictest3-21ksoftirqd/000:15:300
14501993414,5cyclictest3-21ksoftirqd/021:52:220
1450199341,29cyclictest2309-21cron22:30:000
1450299335,4cyclictest81rcu_preempt19:51:151
14502993326,4cyclictest0-21swapper/121:10:551
1450299332,5cyclictest81rcu_preempt00:35:131
1450299332,3cyclictest0-21swapper/121:50:551
1450299331,4cyclictest19036-21/usr/sbin/munin19:35:151
14501993326,5cyclictest0-21swapper/020:12:160
14501993325,6cyclictest0-21swapper/021:00:360
1450199332,4cyclictest0-21swapper/000:45:550
1450199332,18cyclictest0-21swapper/023:25:230
14501993318,5cyclictest3-21ksoftirqd/022:45:010
1450199331,5cyclictest0-21swapper/020:26:360
1450199331,4cyclictest21227-21fschecks_time22:15:160
1450199331,30cyclictest0-21swapper/021:22:350
1450199331,30cyclictest0-21swapper/020:34:360
1450199331,30cyclictest0-21swapper/019:31:350
1450199331,28cyclictest2309-21cron23:40:000
1450199331,27cyclictest1968-21lldpad22:52:040
1450199331,19cyclictest0-21swapper/021:44:400
58952321,27sleep15906-21ssh22:32:471
219652322,26sleep10-21swapper/121:06:471
1450299324,4cyclictest81rcu_preempt22:54:191
1450299324,4cyclictest81rcu_preempt00:08:251
1450299323,4cyclictest81rcu_preempt20:10:161
1450299323,4cyclictest81rcu_preempt19:41:581
1450299322,8cyclictest12853-21df_inode22:40:131
1450299321,6cyclictest2645-21snmpd23:05:471
1450299321,4cyclictest81rcu_preempt23:20:381
1450299321,17cyclictest11219-21ssh00:19:081
1450199323,4cyclictest81rcu_preempt21:45:320
1450199322,18cyclictest0-21swapper/019:41:450
1450199322,16cyclictest11439-21df_inode22:05:170
1450199322,14cyclictest0-21swapper/000:25:350
1450199321,27cyclictest2403-21irqbalance00:30:350
1450199320,29cyclictest30344-21ssh00:05:150
158592311,9sleep115869-21diskstats23:50:151
1450299314,4cyclictest81rcu_preempt21:56:351
1450299313,4cyclictest81rcu_preempt23:36:331
1450299313,4cyclictest81rcu_preempt22:22:351
1450299312,4cyclictest81rcu_preempt21:29:151
14502993124,5cyclictest0-21swapper/122:17:381
1450299311,4cyclictest81rcu_preempt21:47:081
1450299311,4cyclictest81rcu_preempt21:15:441
1450299311,4cyclictest81rcu_preempt20:00:161
1450199318,19cyclictest0-21swapper/022:24:560
1450199312,15cyclictest16796-21/usr/sbin/munin20:55:120
14501993116,4cyclictest3-21ksoftirqd/021:12:250
14501993115,5cyclictest3-21ksoftirqd/019:53:280
14501993114,5cyclictest3-21ksoftirqd/023:30:240
1450199311,27cyclictest0-21swapper/023:01:160
14501993111,7cyclictest27931-21hddtemp_smartct21:15:170
141092311,5sleep10-21swapper/100:21:191
206772301,5sleep00-21swapper/019:39:180
1450299308,8cyclictest0-21swapper/123:25:441
1450299302,4cyclictest81rcu_preempt20:54:271
1450299302,17cyclictest0-21swapper/121:21:331
1450299301,4cyclictest81rcu_preempt20:43:221
1450299301,27cyclictest0-21swapper/121:00:151
14502993011,5cyclictest6311-21cut23:40:151
1450199302,4cyclictest81rcu_preempt23:20:380
1450199302,15cyclictest0-21swapper/020:50:220
14501993012,5cyclictest9852-21iostat20:35:180
51122291,5sleep00-21swapper/020:22:330
271062291,5sleep10-21swapper/100:01:101
244112291,5sleep00-21swapper/019:48:580
220672291,5sleep00-21swapper/021:07:510
1450299295,4cyclictest81rcu_preempt20:08:571
14502992921,5cyclictest17323-21basename20:55:181
14502992916,9cyclictest22-21ksoftirqd/122:45:171
1450299291,4cyclictest81rcu_preempt22:57:191
1450199291,15cyclictest2048-21fschecks_time20:15:150
14501992911,5cyclictest12422-21users20:40:310
137882291,5sleep10-21swapper/122:07:191
90172281,5sleep10-21swapper/120:34:101
1450299288,16cyclictest0-21swapper/119:45:121
1450299286,10cyclictest0-21swapper/121:30:401
1450299283,4cyclictest81rcu_preempt20:48:351
1450299281,24cyclictest0-21swapper/120:35:261
14501992811,5cyclictest29160-21/usr/sbin/munin20:00:220
122922281,5sleep10-21swapper/123:45:411
46412271,4sleep14692-21switchtime20:20:281
14502992716,8cyclictest22-21ksoftirqd/122:26:151
1450299271,4cyclictest81rcu_preempt20:17:281
14501992711,5cyclictest0-21swapper/020:46:040
69702261,5sleep10-21swapper/120:27:231
1450299261,12cyclictest16869-21sort19:30:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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