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2026-02-01 - 23:31
[ 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 Sun Feb 01, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107389912281210,15cyclictest0-21swapper/109:15:161
107379912181174,32cyclictest11266-21fschecks_count07:25:150
107389911591141,15cyclictest0-21swapper/107:25:121
102592563518,30sleep10-21swapper/107:20:391
106422479398,65sleep00-21swapper/007:24:400
107379911686,24cyclictest24433-21grep09:15:160
229392870,9sleep11073899cyclictest09:46:401
1073899792,35cyclictest18418-21sh10:49:341
10738997712,32cyclictest29633-21ntp_states11:00:251
1073899761,36cyclictest4504-21chrt09:28:031
1073899751,38cyclictest27538-21ssh11:31:331
1073899751,38cyclictest18814-21diskmemload12:15:121
1073899741,38cyclictest15723-21aten_r4power_cu11:20:121
1073899741,37cyclictest22767-21seq12:34:151
1073899741,37cyclictest16387-21sh09:40:191
10738997410,31cyclictest13462-21aten_r4power_en07:30:111
1073899731,39cyclictest8969-21taskset08:40:331
1073899731,37cyclictest9742-21sh09:33:381
1073899721,40cyclictest22843-21memory12:00:231
1073899721,40cyclictest22843-21memory12:00:231
1073899721,36cyclictest22506-21sh10:20:121
1073899712,36cyclictest23931-21df_inode12:35:201
1073899712,35cyclictest9617-21hddtemp_smartct12:20:181
1073899711,46cyclictest32189-21cstates10:30:131
10738997114,34cyclictest3302-21runrttasks08:22:151
1073899711,35cyclictest12761-21chrt08:50:591
10738997110,26cyclictest12257-21taskset11:50:021
1073899702,36cyclictest23156-21sh11:27:131
1073899701,37cyclictest4500-21seq08:30:181
1073899701,34cyclictest17789-21mktemp11:55:191
1073899701,34cyclictest13657-21taskset10:44:431
1073899701,32cyclictest2959-21cut10:00:131
1073899692,33cyclictest12250-21latency_hist10:10:011
1073899691,36cyclictest28393-21sh12:40:091
1073899691,33cyclictest3859-21taskset11:07:181
1073899691,33cyclictest27034-21seq10:25:071
1073899682,36cyclictest18814-21diskmemload09:35:401
1073899682,35cyclictest18814-21diskmemload10:12:271
1073899681,35cyclictest18814-21diskmemload12:26:001
1073899681,33cyclictest20925-21ssh10:51:121
137392670,2sleep013737-21cut07:30:160
1073899674,30cyclictest6523-21needreboot08:35:221
1073899671,33cyclictest24978-21sensors10:55:261
1073899671,33cyclictest20068-21ssh10:17:171
1073899662,41cyclictest2206-21dbus-daemon07:35:231
1073899662,35cyclictest18814-21diskmemload11:41:021
1073899661,32cyclictest32153-21ssh09:23:171
1073899651,42cyclictest0-21swapper/110:35:261
1073899651,39cyclictest18814-21diskmemload09:52:441
1073899651,33cyclictest14952-21seq08:59:121
1073899641,41cyclictest2645-21snmpd12:11:421
1073899641,38cyclictest26550-21chrt08:03:391
1073899641,31cyclictest4022-21sh12:49:011
27532630,3sleep02754-21sh12:46:420
1073899631,43cyclictest8551-21taskset11:12:041
1073899631,42cyclictest11129-21cat11:15:131
1073899631,39cyclictest2168-21cstates08:25:131
1073899631,33cyclictest18814-21diskmemload12:07:591
1073899622,31cyclictest18814-21diskmemload09:55:521
1073899621,41cyclictest21195-21/usr/sbin/munin07:50:271
1073899621,38cyclictest22092-21ssh09:12:451
1073899611,36cyclictest32756-21runrttasks11:37:071
1073899601,39cyclictest15530-21fschecks_count09:00:161
1073899601,39cyclictest15530-21fschecks_count09:00:151
1073899601,38cyclictest7577-21aten_r4power_en11:45:121
1073899601,37cyclictest18885-21chrt07:44:251
1073899592,38cyclictest3302-21runrttasks08:17:041
1073899592,38cyclictest30169-21sshd08:12:181
1073899591,38cyclictest24365-21chrt07:55:381
1073899591,37cyclictest4792-21/usr/sbin/munin12:50:261
1073899591,36cyclictest19925-21cat07:45:231
1073899591,36cyclictest19925-21cat07:45:231
1073899581,32cyclictest27824-21mailstats08:05:261
1073899571,37cyclictest2645-21snmpd08:47:281
1073899571,32cyclictest17349-21ls09:05:121
289082520,8sleep00-21swapper/011:00:130
297262381,33sleep029771-21/usr/sbin/munin08:10:290
10737993827,7cyclictest0-21swapper/010:20:550
1073799382,13cyclictest9490-21cut12:20:160
98422370,8sleep01073799cyclictest09:33:460
1073799379,12cyclictest30497-21gdbus07:35:210
112622361,31sleep011273-21ssh10:08:350
1073799369,9cyclictest0-21swapper/012:52:100
1073799362,31cyclictest0-21swapper/011:07:350
10737993614,7cyclictest0-21swapper/012:43:120
57862351,5sleep02206-21dbus-daemon08:35:100
302962350,25sleep03-21ksoftirqd/009:20:360
227832351,30sleep00-21swapper/009:46:280
1073799356,25cyclictest42542chrt09:27:420
1073799354,4cyclictest81rcu_preempt11:28:130
1073799352,20cyclictest18814-21diskmemload09:58:200
1073799351,21cyclictest10219-21ssh11:47:170
1073799344,4cyclictest81rcu_preempt12:37:030
1073799344,4cyclictest81rcu_preempt10:30:140
1073799343,4cyclictest81rcu_preempt11:40:390
1073799341,8cyclictest0-21swapper/012:00:120
1073799341,8cyclictest0-21swapper/012:00:110
1073799341,30cyclictest0-21swapper/010:27:360
10737993410,4cyclictest0-21swapper/012:10:560
10737993410,20cyclictest4641-21rm10:01:000
207042331,4sleep00-21swapper/009:10:450
17552331,28sleep01760-21cron08:25:000
1073799334,4cyclictest81rcu_preempt10:57:240
1073799334,4cyclictest81rcu_preempt10:51:420
10737993325,5cyclictest3-21ksoftirqd/008:50:230
1073799332,28cyclictest0-21swapper/012:07:160
10737993318,12cyclictest3-21ksoftirqd/011:32:520
10737993313,17cyclictest17702-21fschecks_time11:55:180
1073799331,29cyclictest0-21swapper/011:14:150
1073799331,29cyclictest0-21swapper/008:20:560
10737993310,10cyclictest0-21swapper/011:50:200
176722320,3sleep017683-21ssh12:28:530
1073799326,4cyclictest81rcu_preempt10:46:500
1073799324,4cyclictest81rcu_preempt10:35:190
1073799323,4cyclictest81rcu_preempt12:18:530
1073799323,4cyclictest81rcu_preempt09:53:580
1073799322,4cyclictest81rcu_preempt11:16:510
1073799322,14cyclictest0-21swapper/012:30:400
1073799321,13cyclictest81rcu_preempt09:40:170
1073799312,12cyclictest11277-21diskstats09:35:130
1073799311,4cyclictest81rcu_preempt10:18:280
1073799311,4cyclictest81rcu_preempt09:07:090
1073799311,28cyclictest0-21swapper/010:14:150
1073799311,11cyclictest0-21swapper/010:41:200
162252301,5sleep00-21swapper/009:00:270
162252301,5sleep00-21swapper/009:00:270
147272301,5sleep00-21swapper/008:56:540
1073799308,5cyclictest23481-21fschecks_time07:55:130
1073799308,11cyclictest3-21ksoftirqd/007:45:230
1073799308,11cyclictest3-21ksoftirqd/007:45:220
1073799302,4cyclictest81rcu_preempt11:35:070
10737993021,5cyclictest25185-21cpuspeed_turbos08:00:130
1073799302,15cyclictest21475-21df07:50:120
1073799301,13cyclictest18821-21taskset07:43:450
93762291,5sleep00-21swapper/008:44:490
54042291,5sleep00-21swapper/008:32:450
110992291,5sleep00-21swapper/008:48:120
10737992911,6cyclictest16634-21ssh11:20:240
1073799281,14cyclictest31617-21python08:15:290
10737992810,6cyclictest28134-21taskset08:05:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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