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2026-02-27 - 17:40
[ 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 #a, slot #5

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot5s.osadl.org (updated Fri Feb 27, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811060,0rcu_preempt19-21ksoftirqd/108:07:441
81750,0rcu_preempt3-21ksoftirqd/010:54:140
81740,0rcu_preempt3-21ksoftirqd/010:36:380
81730,0rcu_preempt3-21ksoftirqd/009:32:080
81720,0rcu_preempt3-21ksoftirqd/011:16:520
81720,0rcu_preempt3-21ksoftirqd/009:36:280
81710,0rcu_preempt3-21ksoftirqd/011:41:460
81710,0rcu_preempt3-21ksoftirqd/010:47:090
81710,0rcu_preempt3-21ksoftirqd/010:29:530
81710,0rcu_preempt3-21ksoftirqd/010:29:530
81710,0rcu_preempt3-21ksoftirqd/009:55:480
81700,0rcu_preempt12836-1kworker/1:0H10:42:291
11639996911,0cyclictest10050irq/346-484840011:03:580
11639996911,0cyclictest10050irq/346-484840011:03:580
81680,0rcu_preempt3-21ksoftirqd/011:59:400
81670,0rcu_preempt3-21ksoftirqd/010:04:180
81670,0rcu_preempt3-21ksoftirqd/008:24:400
1163999673,0cyclictest0-21swapper/012:29:150
1163999673,0cyclictest0-21swapper/012:29:150
81650,0rcu_preempt3-21ksoftirqd/011:44:240
81650,0rcu_preempt3-21ksoftirqd/011:44:240
1163999658,0cyclictest0-21swapper/011:29:360
1163999657,0cyclictest23708-21latency_hist09:14:140
1163999651,0cyclictest23273-1kworker/0:0H10:19:230
1163999651,0cyclictest0-21swapper/010:03:350
81640,0rcu_preempt19-21ksoftirqd/109:49:211
81640,0rcu_preempt17049-21users11:49:420
81640,0rcu_preempt12894-21memory08:49:350
1163999632,0cyclictest0-21swapper/011:22:290
1163999632,0cyclictest0-21swapper/011:22:290
81620,0rcu_preempt3-21ksoftirqd/007:04:350
81620,0rcu_preempt19-21ksoftirqd/109:24:311
11639996220,0cyclictest16221-21ssh10:11:260
1163999621,0cyclictest7964-21sh12:14:140
81610,0rcu_preempt3-21ksoftirqd/009:24:330
1163999614,0cyclictest14932-21ping07:39:150
1163999612,0cyclictest0-21swapper/007:44:340
11639996116,0cyclictest11863-21ssh10:39:400
1163999611,0cyclictest22779-21ssh10:18:350
1163999611,0cyclictest0-21swapper/011:26:370
1163999611,0cyclictest0-21swapper/011:26:370
81600,0rcu_preempt3-21ksoftirqd/008:29:370
81600,0rcu_preempt19-21ksoftirqd/110:09:331
1163999607,0cyclictest32737-21ssh12:39:130
81590,0rcu_preempt3-21ksoftirqd/007:49:290
1163999592,0cyclictest1133-21runrttasks12:06:480
1163999592,0cyclictest0-21swapper/011:07:580
11639995914,0cyclictest1470-21runrttasks09:41:260
81580,0rcu_preempt9235-21diskstats08:39:280
81580,0rcu_preempt28380-21sort10:24:150
81580,0rcu_preempt27866-21ping08:09:400
81580,0rcu_preempt19-21ksoftirqd/110:29:331
81580,0rcu_preempt19-21ksoftirqd/110:29:331
81580,0rcu_preempt19-21ksoftirqd/108:19:321
1163999582,0cyclictest0-21swapper/007:24:280
11639995814,0cyclictest0-21swapper/011:35:220
1163999581,0cyclictest26182-21dropbear10:54:290
81570,0rcu_preempt3-21ksoftirqd/012:29:290
81570,0rcu_preempt3-21ksoftirqd/008:34:240
81570,0rcu_preempt19-21ksoftirqd/111:52:501
1163999572,0cyclictest14932-21ping07:19:390
1163999572,0cyclictest14932-21ping07:19:390
1163999572,0cyclictest0-21swapper/009:46:210
11639995712,0cyclictest9156-21munin-node0
1163999571,0cyclictest14932-21ping07:34:150
81560,0rcu_preempt12517-21ssh11:45:161
81560,0rcu_preempt12517-21ssh11:45:161
1163999566,0cyclictest1963-1kworker/0:2H08:19:450
1163999563,0cyclictest27384-21ls09:49:410
1163999562,0cyclictest14932-21ping07:29:280
1163999562,0cyclictest0-21swapper/007:19:150
11639995615,0cyclictest8635-21df11:09:260
11639995615,0cyclictest0-21swapper/012:22:420
1163999561,0cyclictest23995-21munin-node0
1163999561,0cyclictest18523-1kworker/0:2H11:55:390
81550,0rcu_preempt3-21ksoftirqd/008:17:390
81550,0rcu_preempt30110-21sed09:19:430
81550,0rcu_preempt19-21ksoftirqd/111:41:361
81550,0rcu_preempt19-21ksoftirqd/111:16:111
81550,0rcu_preempt19-21ksoftirqd/110:57:081
11639995516,0cyclictest28138-21date07:59:140
81540,0rcu_preempt19-21ksoftirqd/112:14:421
81540,0rcu_preempt19-21ksoftirqd/111:26:591
81540,0rcu_preempt19-21ksoftirqd/111:26:591
11639995410,0cyclictest0-21swapper/008:54:350
81530,0rcu_preempt19-21ksoftirqd/109:23:531
81530,0rcu_preempt0-21swapper/109:36:441
1163999532,0cyclictest17508-21fschecks_time09:04:300
81520,0rcu_preempt3-21ksoftirqd/007:59:260
81520,0rcu_preempt14932-21ping07:29:161
81520,0rcu_preempt0-21swapper/109:42:441
81510,0rcu_preempt23347-21dropbear12:29:271
81510,0rcu_preempt19-21ksoftirqd/109:46:131
81510,0rcu_preempt0-21swapper/112:13:551
1163999512,0cyclictest30400-21munin-node0
1163999512,0cyclictest0-21swapper/008:59:370
81500,0rcu_preempt3-21ksoftirqd/008:44:300
81500,0rcu_preempt19-21ksoftirqd/112:21:181
81500,0rcu_preempt19-21ksoftirqd/110:19:271
81490,0rcu_preempt3-21ksoftirqd/007:09:380
81490,0rcu_preempt24720-21kworker/u4:008:34:191
81490,0rcu_preempt19-21ksoftirqd/112:04:031
81490,0rcu_preempt19-21ksoftirqd/109:57:391
81480,0rcu_preempt0-21swapper/111:03:261
81480,0rcu_preempt0-21swapper/111:03:261
81470,0rcu_preempt54-21kswapd012:35:451
81470,0rcu_preempt19-21ksoftirqd/108:24:251
81460,0rcu_preempt19-21ksoftirqd/110:04:271
81460,0rcu_preempt19-21ksoftirqd/109:03:301
81460,0rcu_preempt19-21ksoftirqd/108:14:431
81450,0rcu_preempt19-21ksoftirqd/111:57:021
81450,0rcu_preempt19-21ksoftirqd/111:10:421
81440,0rcu_preempt19-21ksoftirqd/108:47:321
81440,0rcu_preempt19-21ksoftirqd/108:43:351
81440,0rcu_preempt19-21ksoftirqd/107:08:571
81430,0rcu_preempt27972-21kworker/1:209:06:081
81430,0rcu_preempt19-21ksoftirqd/111:19:401
81430,0rcu_preempt19-21ksoftirqd/111:19:401
81430,0rcu_preempt18601-21ssh10:46:291
81420,0rcu_preempt19-21ksoftirqd/111:30:281
81420,0rcu_preempt19-21ksoftirqd/109:16:091
81420,0rcu_preempt19-21ksoftirqd/108:49:291
81420,0rcu_preempt19-21ksoftirqd/108:01:391
81420,0rcu_preempt19-21ksoftirqd/107:24:261
81420,0rcu_preempt18759-21diskmemload10:38:061
81410,0rcu_preempt27972-21kworker/1:208:32:561
81410,0rcu_preempt19-21ksoftirqd/112:04:151
81410,0rcu_preempt19-21ksoftirqd/111:34:391
81410,0rcu_preempt19-21ksoftirqd/110:51:301
81410,0rcu_preempt19-21ksoftirqd/109:09:411
81400,0rcu_preempt19-21ksoftirqd/112:24:251
81400,0rcu_preempt19-21ksoftirqd/112:24:251
81400,0rcu_preempt19-21ksoftirqd/110:14:191
81400,0rcu_preempt19-21ksoftirqd/108:59:091
81400,0rcu_preempt19-21ksoftirqd/107:54:361
81400,0rcu_preempt18759-21diskmemload10:25:221
81400,0rcu_preempt18759-21diskmemload09:59:531
81400,0rcu_preempt18759-21diskmemload09:30:421
81400,0rcu_preempt11638-21cyclictest08:10:361
81390,0rcu_preempt19-21ksoftirqd/111:06:261
81390,0rcu_preempt19-21ksoftirqd/107:16:101
81390,0rcu_preempt19-21ksoftirqd/107:13:401
81380,0rcu_preempt19-21ksoftirqd/107:49:261
81380,0rcu_preempt19-21ksoftirqd/107:48:251
81380,0rcu_preempt19-21ksoftirqd/107:19:291
81380,0rcu_preempt19-21ksoftirqd/107:19:291
81350,0rcu_preempt19-21ksoftirqd/107:39:461
1699330,0migration/120058-21aten_rapower_en07:34:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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