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2026-01-27 - 21:26
[ 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 all highest latencies:
System rack9slot4s (updated Tue Jan 27, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310789912231193,24cyclictest4095-21ssh09:40:121
310779912101166,39cyclictest31511-21df_inode07:25:150
310789910831072,8cyclictest0-21swapper/107:25:141
295872596516,65sleep00-21swapper/007:20:130
306982500454,31sleep10-21swapper/107:21:401
3107799168146,6cyclictest0-21swapper/009:40:120
300182910,8sleep13107899cyclictest11:13:571
105452840,2sleep010546-21sh10:53:470
309242820,3sleep130925-21sh10:40:311
307872760,3sleep00-21swapper/011:47:570
99002590,7sleep03107799cyclictest09:12:300
245632580,7sleep10-21swapper/112:50:011
190452540,8sleep03107799cyclictest09:55:200
24772510,2sleep00-21swapper/010:45:180
31077994421,12cyclictest16528-21/usr/sbin/munin12:40:160
169862440,4sleep1211ktimersoftd/110:26:211
3107799409,28cyclictest0-21swapper/011:35:560
3107799409,28cyclictest0-21swapper/011:35:560
152892401,35sleep015459-21perl10:25:160
3107799391,34cyclictest0-21swapper/012:51:160
247162390,8sleep03107799cyclictest10:35:130
3107899384,5cyclictest0-21swapper/111:45:361
3107899383,31cyclictest5358-21diskstats09:05:151
3107899379,15cyclictest0-21swapper/110:18:101
3107899375,4cyclictest0-21swapper/111:33:351
31078993729,6cyclictest0-21swapper/108:55:151
31077993715,18cyclictest11521-21sh12:00:570
243272371,32sleep124338-21ssh11:40:311
3107899369,24cyclictest0-21swapper/111:58:551
3107899369,23cyclictest0-21swapper/111:16:441
3107899363,30cyclictest0-21swapper/110:10:551
31078993625,7cyclictest5454-21ssh11:21:091
3107899361,6cyclictest23949-21latency_hist12:15:011
3107799362,31cyclictest12194-21perl10:55:150
3107799362,22cyclictest0-21swapper/009:31:450
3107799361,31cyclictest20893-21df_inode12:45:160
3107899354,4cyclictest81rcu_preempt09:45:121
3107899353,4cyclictest81rcu_preempt09:25:291
3107899352,20cyclictest0-21swapper/110:24:371
3107799355,5cyclictest24252-21kworker/0:110:12:370
3107799352,21cyclictest27114-21/usr/sbin/munin08:35:290
3107799351,10cyclictest81rcu_preempt11:58:100
154532350,2sleep015452-21ntp_kernel_err12:05:230
77132341,4sleep17796-21/usr/sbin/munin07:45:241
3107899346,4cyclictest81rcu_preempt07:54:571
3107899343,5cyclictest0-21swapper/109:03:551
3107899342,5cyclictest0-21swapper/112:24:551
3107899342,29cyclictest0-21swapper/112:50:561
3107899342,29cyclictest0-21swapper/109:38:551
31078993419,5cyclictest22-21ksoftirqd/109:51:171
3107899341,5cyclictest2403-21irqbalance11:38:561
3107899341,5cyclictest2403-21irqbalance11:38:561
3107899341,30cyclictest0-21swapper/109:16:151
3107899341,29cyclictest2232-21ssh11:51:351
31077993427,4cyclictest26212-21ssh11:43:160
3107799341,29cyclictest25390-21ssh11:09:150
3107799341,20cyclictest24226-21aten_r4power_vo12:15:110
31077993410,12cyclictest13600-21grep09:50:130
31077993410,11cyclictest0-21swapper/011:34:200
235802341,29sleep023672-21hddtemp_smartct10:00:160
316902331,4sleep131701-21ssh10:08:501
3107899335,16cyclictest0-21swapper/110:57:361
3107899333,5cyclictest81rcu_preempt11:09:511
31078993325,5cyclictest0-21swapper/110:54:161
31078993323,5cyclictest22-21ksoftirqd/111:01:461
3107899332,28cyclictest0-21swapper/109:13:351
3107899331,7cyclictest24221-21wget12:15:111
3107899331,13cyclictest166912/usr/sbin/munin08:10:271
3107899331,11cyclictest0-21swapper/112:44:561
3107799337,13cyclictest20841-21fschecks_count08:20:150
3107799333,4cyclictest81rcu_preempt10:19:290
3107799332,28cyclictest0-21swapper/011:21:550
3107799332,28cyclictest0-21swapper/011:18:360
3107799332,27cyclictest0-21swapper/012:35:420
3107799332,20cyclictest0-21swapper/009:46:160
31077993310,11cyclictest23965-21latency_hist12:15:000
239902331,4sleep12329-21NetworkManager08:29:221
3107899325,4cyclictest81rcu_preempt12:00:241
3107899325,4cyclictest81rcu_preempt10:33:021
31078993225,5cyclictest0-21swapper/107:33:361
31078993224,6cyclictest0-21swapper/110:37:391
3107899322,12cyclictest2474-21ssh10:45:171
3107899321,5cyclictest0-21swapper/108:40:351
3107899321,29cyclictest0-21swapper/109:31:361
3107799329,5cyclictest8504-21cpu11:25:110
31077993225,5cyclictest0-21swapper/009:06:550
31077993224,6cyclictest0-21swapper/008:47:160
3107799321,4cyclictest81rcu_preempt10:44:090
3107799321,27cyclictest14906-21taskset08:05:120
3107899317,4cyclictest81rcu_preempt08:00:311
3107899314,4cyclictest81rcu_preempt12:28:331
3107899314,4cyclictest81rcu_preempt09:21:011
3107899313,11cyclictest81rcu_preempt12:06:161
3107899312,4cyclictest81rcu_preempt11:29:451
31078993124,5cyclictest0-21swapper/108:50:351
3107899311,4cyclictest81rcu_preempt09:58:161
3107799318,12cyclictest31711-21sh10:08:520
3107799314,4cyclictest81rcu_preempt12:28:020
3107799312,15cyclictest7284-21ssh12:30:250
3107799311,28cyclictest0-21swapper/011:02:360
31077993112,7cyclictest22343-21/usr/sbin/munin08:25:270
31077993112,5cyclictest0-21swapper/009:21:220
3107799311,13cyclictest11691-21seq10:20:400
162932311,5sleep10-21swapper/108:07:371
3107899303,4cyclictest81rcu_preempt08:23:051
31078993023,5cyclictest0-21swapper/107:40:551
3107899301,4cyclictest81rcu_preempt10:01:101
3107799304,13cyclictest0-21swapper/008:55:010
3107799303,14cyclictest4352-21python07:35:270
3107799302,13cyclictest0-21swapper/011:52:150
3107799301,4cyclictest81rcu_preempt11:10:100
31077993012,6cyclictest1803-21hddtemp_smartct07:30:150
3107799301,19cyclictest0-21swapper/009:25:290
31077993011,6cyclictest12978-21awk09:15:270
3107799301,11cyclictest12575-21munin-run08:00:000
15572301,5sleep00-21swapper/009:37:210
141792301,5sleep00-21swapper/008:02:050
87262291,5sleep10-21swapper/112:31:531
3107899294,19cyclictest30465-21iostat_ios08:45:211
3107799292,14cyclictest3867-21/usr/sbin/munin09:00:230
31077992919,6cyclictest2423-21sed08:55:300
3107799291,26cyclictest0-21swapper/008:30:360
3107799291,15cyclictest18955-21grep08:15:140
299092291,4sleep029952-21ntp_states12:20:250
231602291,5sleep00-21swapper/010:33:180
132332291,5sleep10-21swapper/112:36:271
31078992815,8cyclictest3330-21/usr/sbin/munin07:35:311
3107899281,4cyclictest81rcu_preempt08:36:341
279852281,5sleep00-21swapper/008:40:080
183152281,5sleep00-21swapper/008:14:070
121482281,5sleep10-21swapper/107:55:411
3107799279,5cyclictest9557-21if_eth007:50:190
3107799272,12cyclictest5727-21hddtemp_smartct07:40:180
31077992718,5cyclictest3-21ksoftirqd/007:46:340
255972271,5sleep10-21swapper/108:31:351
3107899251,15cyclictest0-21swapper/108:16:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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