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2026-01-22 - 21:15
[ 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 Thu Jan 22, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113309911091071,35cyclictest11937-21perl07:25:150
1133199956946,7cyclictest0-21swapper/107:25:121
108562634588,31sleep10-21swapper/107:20:381
111562546491,40sleep00-21swapper/007:23:460
1133099148121,4cyclictest30086-21ssh09:20:200
2581721020,32sleep025787-21needreboot09:50:240
1133199771,13cyclictest9107-21taskset12:22:151
11331997212,40cyclictest0-21swapper/112:33:061
11331997012,37cyclictest15989-21aten_r4power_po07:35:101
1133199692,6cyclictest30887-21df11:05:141
11331996916,39cyclictest746-21runrttasks10:31:011
1133199682,6cyclictest14803-21df11:55:131
11331996818,31cyclictest22-21ksoftirqd/110:40:251
1133199671,44cyclictest7680-21ssh09:30:231
1133199671,44cyclictest7680-21ssh09:30:231
1133199651,42cyclictest12294-21taskset11:19:411
1133199651,42cyclictest12294-21taskset11:19:401
1133199641,43cyclictest27334-21chrt11:35:051
56452631,33sleep00-21swapper/009:28:480
1133199634,39cyclictest899-21diskstats08:20:151
1133199632,7cyclictest30054-21iostat09:20:191
11331996312,32cyclictest4023-21/usr/sbin/munin11:10:231
11331996216,25cyclictest22-21ksoftirqd/111:26:061
1133199621,48cyclictest5957-21taskset08:32:381
1133199621,48cyclictest23347-21taskset10:20:511
1133199621,47cyclictest6645-21diskstats08:35:131
1133199621,41cyclictest1613-21taskset09:59:371
1133199621,41cyclictest13983-21ntpq07:30:061
1133199618,34cyclictest0-21swapper/112:17:111
1133199618,33cyclictest0-21swapper/112:40:431
1133199618,33cyclictest0-21swapper/112:14:071
1133199612,41cyclictest15045-21sh11:21:351
1133199611,8cyclictest29748-21grep08:10:161
1133199611,8cyclictest26697-21cat10:25:121
11331996118,24cyclictest22-21ksoftirqd/107:50:071
1133199611,40cyclictest23158-21kworker/1:211:54:161
1133199609,32cyclictest0-21swapper/109:11:431
1133199601,40cyclictest6681-21taskset10:04:471
1133199601,39cyclictest0-21swapper/108:00:131
1133199601,37cyclictest15317-21chrt08:57:131
11331996010,32cyclictest0-21swapper/110:15:351
116552590,4sleep041ktimersoftd/012:25:140
1133199597,33cyclictest0-21swapper/109:50:411
1133199592,6cyclictest19359-21diskmemload12:28:551
1133199592,40cyclictest0-21swapper/112:36:021
1133199592,37cyclictest8855-21ssh11:49:151
1133199591,8cyclictest21693-21ssh10:55:181
1133199591,6cyclictest20101-21irqstats12:00:221
1133199591,45cyclictest16909-21taskset10:49:561
1133199591,45cyclictest16909-21taskset10:49:551
1133199591,39cyclictest27938-21seq12:08:451
1133199591,39cyclictest19015-21taskset09:06:281
1133199591,39cyclictest0-21swapper/110:35:371
1133199591,38cyclictest3388-21vmstat09:25:301
11331995912,30cyclictest0-21swapper/111:42:111
1133199589,32cyclictest0-21swapper/109:48:511
1133199589,31cyclictest24887-21taskset07:57:071
1133199587,5cyclictest28447-21ssh11:02:191
1133199581,7cyclictest19129-21sh09:42:111
1133199571,9cyclictest2645-21snmpd09:16:551
1133199571,43cyclictest6151-21ssh12:55:011
1133199562,7cyclictest3302-21runrttasks08:15:491
1133199559,29cyclictest18398-21cat07:40:171
1133199558,29cyclictest40550irq/92-i91510:09:471
1133199554,5cyclictest9963-21latency_hist08:45:021
1133199551,8cyclictest3302-21runrttasks10:11:571
1133199551,35cyclictest26443-21ssh11:34:011
1133199542,6cyclictest19987-21taskset10:54:081
1133199541,7cyclictest11605-21chrt08:47:371
1133199541,6cyclictest32312-21taskset12:46:121
1133199541,10cyclictest16225-21cut09:00:151
1133199539,4cyclictest2206-21dbus-daemon07:49:491
1133199531,7cyclictest13506-21taskset08:52:531
1133199521,6cyclictest19359-21diskmemload09:38:481
1133199515,5cyclictest3244-21latency08:25:211
1133199512,6cyclictest29131-21latency_hist08:10:001
1133199512,6cyclictest29131-21latency_hist08:10:001
155452420,28sleep015543-21proc_pri11:55:260
1133099419,28cyclictest0-21swapper/010:20:160
1133099392,12cyclictest0-21swapper/010:05:290
1133099391,12cyclictest0-21swapper/009:14:550
161312382,5sleep00-21swapper/012:30:110
1133099383,5cyclictest81rcu_preempt11:05:120
46952370,8sleep01133099cyclictest10:01:520
1133099371,34cyclictest0-21swapper/012:50:560
11330993712,7cyclictest0-21swapper/010:17:510
1133099364,7cyclictest81rcu_preempt08:23:090
1133099362,31cyclictest0-21swapper/010:41:360
153822351,30sleep015396-21ssh10:13:240
131112351,30sleep013130-21df_inode11:20:140
11330993528,4cyclictest0-21swapper/011:30:150
1133099352,29cyclictest0-21swapper/009:36:160
1133099351,5cyclictest13489-21ssh11:53:560
1133099351,22cyclictest23185-21chrt07:53:570
208942341,5sleep00-21swapper/011:28:010
1133099349,13cyclictest24300-21sh10:58:200
1133099349,13cyclictest13431-21ssh10:46:320
1133099349,13cyclictest13431-21ssh10:46:310
1133099346,4cyclictest81rcu_preempt11:15:110
1133099346,4cyclictest81rcu_preempt11:15:110
1133099344,4cyclictest81rcu_preempt11:43:280
11330993427,4cyclictest0-21swapper/011:36:560
1133099342,5cyclictest0-21swapper/010:51:360
1133099341,21cyclictest9225-21ssh11:49:460
1133099341,15cyclictest28463-21ssh12:42:060
11330993411,5cyclictest0-21swapper/012:00:320
1133099341,11cyclictest81rcu_preempt08:41:360
320252331,4sleep02645-21snmpd09:56:410
1133099334,4cyclictest81rcu_preempt12:05:390
1133099333,4cyclictest81rcu_preempt12:20:320
1133099333,4cyclictest81rcu_preempt11:04:590
1133099333,4cyclictest81rcu_preempt10:27:400
1133099333,4cyclictest81rcu_preempt09:34:350
1133099333,4cyclictest81rcu_preempt09:34:340
11330993326,5cyclictest0-21swapper/008:34:560
1133099331,4cyclictest21848-21ssh09:45:560
18512328,7sleep03-21ksoftirqd/010:32:370
1133099328,4cyclictest81rcu_preempt12:35:200
1133099325,24cyclictest0-21swapper/012:11:160
1133099324,4cyclictest81rcu_preempt10:39:090
1133099323,16cyclictest0-21swapper/008:25:300
1133099321,4cyclictest81rcu_preempt09:41:130
11330993211,9cyclictest0-21swapper/009:19:580
1133099321,15cyclictest30512-21/usr/sbin/munin12:45:310
1133099321,14cyclictest0-21swapper/012:19:090
309862301,5sleep00-21swapper/008:14:550
289822301,5sleep00-21swapper/008:08:360
289822301,5sleep00-21swapper/008:08:360
193272301,5sleep00-21swapper/009:09:460
155082301,5sleep00-21swapper/008:59:130
11330993023,5cyclictest0-21swapper/008:39:350
1133099302,13cyclictest0-21swapper/011:13:560
1133099301,4cyclictest81rcu_preempt08:52:040
192652291,5sleep00-21swapper/007:42:120
156772281,5sleep00-21swapper/007:34:330
1133099283,13cyclictest10945-21ntp_states08:45:230
1133099281,4cyclictest81rcu_preempt07:45:120
255342271,5sleep00-21swapper/008:00:100
247752271,5sleep00-21swapper/007:55:590
1133099272,12cyclictest16524-21iostat_ios07:35:190
1133099271,8cyclictest32396-21grep08:15:280
1133099271,13cyclictest16217-21cut09:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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