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2026-01-14 - 16:20
[ 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 Wed Jan 14, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327539912431221,19cyclictest0-21swapper/107:25:121
327529911891151,35cyclictest0-21swapper/007:25:150
327539911121090,18cyclictest9930-21smartctl09:10:261
326142661614,32sleep10-21swapper/107:24:091
323492525479,31sleep00-21swapper/007:21:230
3275299262238,19cyclictest0-21swapper/009:10:260
187802990,7sleep00-21swapper/010:28:030
86252870,4sleep1211ktimersoftd/111:24:571
39922840,9sleep03275299cyclictest08:55:270
272142710,8sleep03275299cyclictest09:29:020
173922610,2sleep017393-21rm11:00:140
3275299552,4cyclictest0-21swapper/011:53:150
3275399421,6cyclictest0-21swapper/112:06:551
119282420,3sleep041ktimersoftd/010:20:280
3275299416,31cyclictest0-21swapper/011:12:360
32752994127,10cyclictest0-21swapper/010:53:150
3275299409,3cyclictest0-21swapper/011:37:550
245022390,4sleep122-21ksoftirqd/111:07:091
3275299376,14cyclictest29849-21seq10:40:000
3275299371,14cyclictest24913-21cron10:35:000
157692371,32sleep015783-21ssh12:38:480
110412370,7sleep13275399cyclictest12:00:141
32753993627,5cyclictest0-21swapper/110:31:351
3275299362,30cyclictest0-21swapper/012:10:350
307692361,5sleep130780-21ssh11:14:141
282642362,3sleep181rcu_preempt12:18:031
282642362,3sleep181rcu_preempt12:18:031
67382351,4sleep16749-21ssh12:29:421
65772353,3sleep06590-21iostat_ios10:15:220
36182351,4sleep081rcu_preempt10:45:270
3275399352,29cyclictest0-21swapper/109:44:161
3275299352,15cyclictest14032-21/usr/sbin/munin09:50:110
217252351,4sleep121736-21sh09:57:331
164562351,4sleep116467-21ssh10:59:331
149282351,5sleep113774-21/usr/sbin/munin11:30:291
94372340,23sleep03-21ksoftirqd/012:31:350
3275399344,4cyclictest81rcu_preempt12:30:291
3275399343,4cyclictest81rcu_preempt12:35:141
3275399342,7cyclictest0-21swapper/110:36:561
32753993425,6cyclictest0-21swapper/109:02:561
32753993415,15cyclictest22-21ksoftirqd/110:53:331
3275399341,29cyclictest25476-21ssh10:00:561
32752993424,6cyclictest23416-21ssh11:05:340
118492341,4sleep111860-21ssh09:47:151
9142331,28sleep029883-21kworker/0:009:35:420
62572331,5sleep16327-21iostat11:55:191
3275399334,4cyclictest81rcu_preempt09:51:031
3275399334,4cyclictest81rcu_preempt09:15:491
3275399333,4cyclictest81rcu_preempt10:41:081
3275399331,7cyclictest21726-21ssh12:10:351
3275299332,19cyclictest0-21swapper/012:41:200
3275299331,5cyclictest0-21swapper/008:09:160
3275299331,29cyclictest0-21swapper/008:53:360
299972331,4sleep130004-21diskstats08:40:141
183382330,9sleep13275399cyclictest08:10:001
3275399324,4cyclictest81rcu_preempt10:49:421
3275399323,4cyclictest81rcu_preempt10:20:321
3275399322,5cyclictest81rcu_preempt11:38:031
32753993225,5cyclictest0-21swapper/111:00:561
32753993222,6cyclictest11957-21ssh11:27:441
3275399321,9cyclictest17001-21ssh10:25:301
3275399321,5cyclictest0-21swapper/108:10:161
3275399321,5cyclictest0-21swapper/107:47:161
3275399321,5cyclictest0-21swapper/107:42:161
3275399321,29cyclictest0-21swapper/108:24:351
3275299327,12cyclictest0-21swapper/009:05:120
3275299324,4cyclictest81rcu_preempt12:00:490
3275299324,25cyclictest3-21ksoftirqd/012:18:380
3275299324,25cyclictest3-21ksoftirqd/012:18:380
3275299323,4cyclictest81rcu_preempt10:56:410
3275299322,4cyclictest81rcu_preempt09:47:220
3275299322,26cyclictest14168-21smartctl09:15:150
3275299322,26cyclictest0-21swapper/011:25:130
3275299322,17cyclictest0-21swapper/009:40:220
3275299321,29cyclictest0-21swapper/008:47:560
318732321,5sleep10-21swapper/108:45:131
311742321,4sleep131186-21rm09:34:321
271512321,5sleep10-21swapper/109:28:581
15292321,27sleep11600-21if_eth010:10:201
32753993120,6cyclictest5933-21taskset10:15:121
3275399311,4cyclictest81rcu_preempt12:53:241
3275399311,4cyclictest81rcu_preempt08:37:571
3275399311,28cyclictest0-21swapper/109:08:371
3275399311,17cyclictest27839-21ssh11:44:421
3275299313,7cyclictest81rcu_preempt11:20:420
3275299313,4cyclictest81rcu_preempt12:08:410
3275299312,26cyclictest111-21usb-storage09:34:050
32752993122,5cyclictest18523-21/usr/sbin/munin08:10:110
3275299312,15cyclictest6839-21python11:55:280
32752993118,10cyclictest3-21ksoftirqd/007:49:250
3275299311,27cyclictest0-21swapper/010:40:350
32752993112,5cyclictest29030-21grep08:35:280
3275299311,18cyclictest0-21swapper/009:23:520
32752993111,6cyclictest26852-21timerwakeupswit12:50:280
32752993111,6cyclictest22482-21diskstats08:20:140
3275399304,4cyclictest81rcu_preempt09:35:401
32753993023,5cyclictest0-21swapper/108:56:551
32753993021,5cyclictest24760-21ssh12:48:561
32753993015,4cyclictest22-21ksoftirqd/108:27:111
3275399301,4cyclictest81rcu_preempt12:42:171
3275399301,4cyclictest81rcu_preempt11:51:451
3275399301,26cyclictest0-21swapper/111:19:361
32753993012,5cyclictest3302-21runrttasks08:53:451
3275299309,5cyclictest81rcu_preempt12:20:120
3275299308,6cyclictest27837-21ssh10:04:210
3275299305,4cyclictest81rcu_preempt08:26:360
3275299302,17cyclictest0-21swapper/007:44:560
3275299302,14cyclictest3302-21runrttasks08:40:180
3275299302,14cyclictest28988-21ssh10:05:150
3275299301,27cyclictest0-21swapper/012:47:560
32752993011,6cyclictest11256-21irqstats07:50:190
3275299301,13cyclictest16376-21ls08:05:000
3275399294,23cyclictest0-21swapper/111:46:181
3275399293,10cyclictest19450-21ntp_states09:20:261
32753992922,5cyclictest0-21swapper/107:37:571
3275299296,4cyclictest81rcu_preempt11:45:180
3275299293,22cyclictest31594-21aten_r4power_en11:15:090
3275299291,13cyclictest13413-21latency07:55:200
308282291,4sleep130839-21ssh10:06:421
274442291,5sleep00-21swapper/008:32:550
21842291,24sleep02333-21munin-node07:30:010
3275399287,11cyclictest16162-21taskset08:02:511
3275399281,4cyclictest81rcu_preempt12:20:571
3275299285,4cyclictest81rcu_preempt09:01:460
3275299281,4cyclictest81rcu_preempt10:10:510
32752992811,5cyclictest5013-21chrt12:27:100
3275299281,14cyclictest3302-21runrttasks07:35:470
32752992811,4cyclictest0-21swapper/011:41:400
3275299281,11cyclictest2206-21dbus-daemon09:55:020
153122281,5sleep00-21swapper/011:30:360
3275399277,7cyclictest3995-21processes07:30:251
3275399273,4cyclictest81rcu_preempt07:50:541
32753992714,7cyclictest20582-21diskstats08:15:141
32753992714,7cyclictest20582-21diskstats08:15:131
3275299272,12cyclictest21116-21ntp_states08:15:240
3275299272,12cyclictest21116-21ntp_states08:15:240
273442271,5sleep10-21swapper/108:31:551
144492271,5sleep10-21swapper/107:59:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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