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2026-02-28 - 17:24
[ 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 792 highest latencies:
System rackaslot5s.osadl.org (updated Sat Feb 28, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750,0rcu_preempt54-21kswapd010:25:390
81740,0rcu_preempt19-21ksoftirqd/111:31:281
81740,0rcu_preempt19-21ksoftirqd/110:35:241
81740,0rcu_preempt19-21ksoftirqd/109:09:281
81740,0rcu_preempt0-21swapper/112:32:421
81730,0rcu_preempt19-21ksoftirqd/107:04:311
81720,0rcu_preempt19-21ksoftirqd/109:37:111
81720,0rcu_preempt19-21ksoftirqd/109:37:111
81710,0rcu_preempt19-21ksoftirqd/111:28:541
81700,0rcu_preempt54-21kswapd012:26:471
81700,0rcu_preempt19-21ksoftirqd/110:50:521
81700,0rcu_preempt0-21swapper/109:50:161
81680,0rcu_preempt19-21ksoftirqd/111:38:121
81680,0rcu_preempt19-21ksoftirqd/109:42:571
81670,0rcu_preempt54-21kswapd010:24:351
81670,0rcu_preempt19-21ksoftirqd/110:57:411
81670,0rcu_preempt19-21ksoftirqd/110:41:041
9950660,0irq/345-4848400181ktimersoftd/111:39:371
81660,0rcu_preempt19-21ksoftirqd/111:52:311
81660,0rcu_preempt19-21ksoftirqd/109:26:271
81660,0rcu_preempt19-21ksoftirqd/109:26:271
81650,0rcu_preempt24529-21ssh10:08:351
81650,0rcu_preempt19-21ksoftirqd/109:34:091
81630,0rcu_preempt32683-1kworker/0:1H07:39:150
81630,0rcu_preempt19-21ksoftirqd/112:17:161
81630,0rcu_preempt19-21ksoftirqd/111:48:241
81630,0rcu_preempt19-21ksoftirqd/110:23:341
81630,0rcu_preempt19-21ksoftirqd/110:11:031
81630,0rcu_preempt19-21ksoftirqd/107:54:361
81630,0rcu_preempt19-21ksoftirqd/107:54:361
81630,0rcu_preempt0-21swapper/110:00:111
81620,0rcu_preempt19-21ksoftirqd/112:34:541
81620,0rcu_preempt19-21ksoftirqd/111:08:101
81620,0rcu_preempt19-21ksoftirqd/110:31:081
81610,0rcu_preempt54-21kswapd012:19:391
81610,0rcu_preempt19-21ksoftirqd/111:14:561
81610,0rcu_preempt19-21ksoftirqd/109:17:241
81600,0rcu_preempt19-21ksoftirqd/111:54:471
81600,0rcu_preempt19-21ksoftirqd/111:19:241
81590,0rcu_preempt54-21kswapd010:15:271
81590,0rcu_preempt19-21ksoftirqd/112:03:041
81590,0rcu_preempt19-21ksoftirqd/111:00:171
81580,0rcu_preempt19-21ksoftirqd/110:45:111
81580,0rcu_preempt19-21ksoftirqd/109:57:011
81580,0rcu_preempt19-21ksoftirqd/109:57:011
81580,0rcu_preempt19-21ksoftirqd/109:44:561
27362570,0chrt9950irq/345-484840009:14:130
81560,0rcu_preempt3-21ksoftirqd/008:11:280
81560,0rcu_preempt27565-1kworker/0:2H11:18:490
81560,0rcu_preempt19-21ksoftirqd/111:09:501
81560,0rcu_preempt19-21ksoftirqd/107:39:491
81540,0rcu_preempt19-21ksoftirqd/108:24:251
10050540,0irq/346-484840029877-21apt-get12:24:240
81530,0rcu_preempt3-21ksoftirqd/012:19:400
81520,0rcu_preempt3-21ksoftirqd/010:07:340
81520,0rcu_preempt3-21ksoftirqd/008:49:350
81520,0rcu_preempt3-21ksoftirqd/008:49:350
81520,0rcu_preempt19-21ksoftirqd/112:09:391
81520,0rcu_preempt19-21ksoftirqd/107:27:281
81520,0rcu_preempt19-21ksoftirqd/107:27:281
81520,0rcu_preempt15486-21kworker/0:208:41:330
10050520,0irq/346-484840024790-21/usr/sbin/munin11:14:130
9950510,0irq/345-484840014952-21apt-get12:09:210
81510,0rcu_preempt3-21ksoftirqd/011:54:370
81510,0rcu_preempt30054-21ssh11:19:250
81510,0rcu_preempt23516-21kworker/0:109:31:260
81510,0rcu_preempt14303-21kworker/0:211:40:470
10050510,0irq/346-484840015071-1kworker/0:0H11:37:320
10050510,0irq/346-48484000-21swapper/012:15:200
81500,0rcu_preempt3-21ksoftirqd/010:45:570
81500,0rcu_preempt3-21ksoftirqd/008:34:400
81500,0rcu_preempt19-21ksoftirqd/108:19:241
81500,0rcu_preempt19-21ksoftirqd/108:04:141
10050500,0irq/346-484840025120-21latency_hist10:09:140
10050500,0irq/346-48484000-21swapper/010:53:020
9950490,0irq/345-48484002921-21chrt10:19:250
81490,0rcu_preempt3-21ksoftirqd/011:30:130
81490,0rcu_preempt3-21ksoftirqd/010:03:480
81490,0rcu_preempt3-21ksoftirqd/009:22:450
81490,0rcu_preempt3-21ksoftirqd/007:09:330
81490,0rcu_preempt23275-21kworker/0:009:03:000
81490,0rcu_preempt19-21ksoftirqd/109:20:121
81490,0rcu_preempt19-21ksoftirqd/108:29:261
81490,0rcu_preempt19-21ksoftirqd/107:19:361
81480,0rcu_preempt32458-21kworker/0:109:52:440
81480,0rcu_preempt3-21ksoftirqd/012:38:360
81480,0rcu_preempt19-21ksoftirqd/108:09:331
81480,0rcu_preempt19-21ksoftirqd/108:01:351
10050480,0irq/346-484840031651-21diskstats07:34:330
10050480,0irq/346-484840017626-1kworker/0:3H11:08:180
10050480,0irq/346-48484000-21swapper/009:46:010
9950470,0irq/345-484840017419-21basename10:34:130
9950470,0irq/345-48484000-21swapper/011:01:030
81470,0rcu_preempt8447-21kworker/1:009:04:361
81470,0rcu_preempt3-21ksoftirqd/012:32:480
81470,0rcu_preempt3-21ksoftirqd/009:24:400
81470,0rcu_preempt3-21ksoftirqd/009:24:400
81470,0rcu_preempt3-21ksoftirqd/008:19:380
81470,0rcu_preempt3-21ksoftirqd/008:18:420
81470,0rcu_preempt3-21ksoftirqd/008:02:300
81470,0rcu_preempt3-21ksoftirqd/007:50:200
81470,0rcu_preempt23275-21kworker/0:008:55:590
81470,0rcu_preempt19-21ksoftirqd/108:14:431
10050470,0irq/346-484840030267-21ssh10:14:240
10050470,0irq/346-48484002578-21munin-node0
9950460,0irq/345-484840054-21kswapd012:06:140
81460,0rcu_preempt6784-21ping08:24:240
81460,0rcu_preempt3-21ksoftirqd/010:55:220
81460,0rcu_preempt3-21ksoftirqd/009:56:510
81460,0rcu_preempt3-21ksoftirqd/009:56:510
81460,0rcu_preempt3-21ksoftirqd/009:04:300
81460,0rcu_preempt3-21ksoftirqd/008:48:170
81460,0rcu_preempt3-21ksoftirqd/008:29:550
81460,0rcu_preempt3-21ksoftirqd/007:16:300
81460,0rcu_preempt19-21ksoftirqd/107:35:371
81450,0rcu_preempt3-21ksoftirqd/011:47:070
81450,0rcu_preempt3-21ksoftirqd/009:39:390
81450,0rcu_preempt3-21ksoftirqd/009:35:540
81450,0rcu_preempt3-21ksoftirqd/009:35:540
81450,0rcu_preempt3-21ksoftirqd/008:07:390
81450,0rcu_preempt3-21ksoftirqd/007:54:480
81450,0rcu_preempt3-21ksoftirqd/007:54:480
81450,0rcu_preempt23275-21kworker/0:009:14:530
81450,0rcu_preempt19-21ksoftirqd/108:54:291
10050450,0irq/346-48484008011-21ssh12:01:580
10050450,0irq/346-48484000-21swapper/010:35:590
81440,0rcu_preempt27041-21apt-get08:59:231
81440,0rcu_preempt19-21ksoftirqd/107:44:471
81440,0rcu_preempt19-21ksoftirqd/107:29:511
9950430,0irq/345-48484000-21swapper/010:40:500
81430,0rcu_preempt3-21ksoftirqd/011:49:240
10050430,0irq/346-48484000-21swapper/007:04:370
81420,0rcu_preempt3-21ksoftirqd/007:47:420
81420,0rcu_preempt19-21ksoftirqd/112:04:271
81420,0rcu_preempt18785-21apt-get08:34:241
81410,0rcu_preempt19-21ksoftirqd/108:49:331
81410,0rcu_preempt19-21ksoftirqd/108:49:331
81410,0rcu_preempt19-21ksoftirqd/108:39:251
81400,0rcu_preempt19-21ksoftirqd/108:44:331
81390,0rcu_preempt19-21ksoftirqd/107:49:301
81390,0rcu_preempt19-21ksoftirqd/107:09:311
81370,0rcu_preempt19-21ksoftirqd/107:14:251
9950350,0irq/345-484840028557-21runrttasks07:24:360
9950350,0irq/345-484840028557-21runrttasks07:24:360
4350350,0irq/32-4330000026352-21ping07:19:300
1599350,0migration/030304-21kernelversion07:29:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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