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2026-02-24 - 17:13
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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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 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 Tue Feb 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800,0rcu_preempt11360-21ssh10:30:521
10050780,0irq/346-484840014163-21ssh11:06:210
81770,0rcu_preempt3-21ksoftirqd/009:28:060
81760,0rcu_preempt3-21ksoftirqd/009:32:140
81750,0rcu_preempt3-21ksoftirqd/012:24:420
81750,0rcu_preempt19-21ksoftirqd/109:36:081
81740,0rcu_preempt3-21ksoftirqd/009:13:380
10050730,0irq/346-4848400111rcuc/011:24:230
81720,0rcu_preempt3-21ksoftirqd/010:41:580
81720,0rcu_preempt19-21ksoftirqd/111:34:291
81720,0rcu_preempt19-21ksoftirqd/111:16:281
81700,0rcu_preempt3-21ksoftirqd/011:09:300
81700,0rcu_preempt19-21ksoftirqd/110:54:331
81670,0rcu_preempt19-21ksoftirqd/111:54:401
81660,0rcu_preempt19-21ksoftirqd/109:30:401
81660,0rcu_preempt19-21ksoftirqd/109:09:571
81650,0rcu_preempt3-21ksoftirqd/010:49:400
81640,0rcu_preempt19-21ksoftirqd/112:04:191
81640,0rcu_preempt19-21ksoftirqd/111:30:451
81610,0rcu_preempt19587-21cyclictest10:14:330
81610,0rcu_preempt19-21ksoftirqd/107:19:521
81600,0rcu_preempt19-21ksoftirqd/112:36:501
81590,0rcu_preempt54-21kswapd009:14:200
81590,0rcu_preempt3-21ksoftirqd/012:29:450
81590,0rcu_preempt19-21ksoftirqd/109:16:551
81570,0rcu_preempt3-21ksoftirqd/008:29:350
81570,0rcu_preempt31446-21kworker/0:110:00:070
10050570,0irq/346-484840054-21kswapd011:12:451
10050570,0irq/346-48484000-21swapper/011:55:490
81560,0rcu_preempt19-21ksoftirqd/110:49:041
1958899561,0cyclictest22876-21ping07:39:290
81550,0rcu_preempt3391-21ping07:59:180
81550,0rcu_preempt3-21ksoftirqd/012:06:570
81550,0rcu_preempt19-21ksoftirqd/112:24:131
81550,0rcu_preempt19-21ksoftirqd/108:10:431
81550,0rcu_preempt18080-21apt-get07:04:290
10050550,0irq/346-4848400851-21rngd10:35:370
81540,0rcu_preempt3-21ksoftirqd/012:14:470
81540,0rcu_preempt3-21ksoftirqd/011:19:350
81540,0rcu_preempt3-21ksoftirqd/011:16:240
81540,0rcu_preempt3-21ksoftirqd/008:54:280
81530,0rcu_preempt3-21ksoftirqd/011:29:320
81530,0rcu_preempt3-21ksoftirqd/010:44:300
81530,0rcu_preempt3-21ksoftirqd/009:20:160
81530,0rcu_preempt19-21ksoftirqd/111:02:251
10050530,0irq/346-4848400851-21rngd11:34:490
81520,0rcu_preempt4264-21kworker/0:107:14:400
81520,0rcu_preempt21368-21apt-get12:19:280
81520,0rcu_preempt19-21ksoftirqd/109:50:501
10050520,0irq/346-48484000-21swapper/011:02:230
81510,0rcu_preempt3-21ksoftirqd/010:54:400
81510,0rcu_preempt3-21ksoftirqd/010:04:440
81510,0rcu_preempt3-21ksoftirqd/009:51:530
81510,0rcu_preempt3-21ksoftirqd/009:44:430
81510,0rcu_preempt19-21ksoftirqd/112:24:381
81510,0rcu_preempt19-21ksoftirqd/110:02:391
81500,0rcu_preempt5562-21ssh12:35:230
81500,0rcu_preempt3-21ksoftirqd/011:59:420
81500,0rcu_preempt3-21ksoftirqd/011:39:320
81500,0rcu_preempt3-21ksoftirqd/010:29:340
81500,0rcu_preempt3-21ksoftirqd/008:19:310
81500,0rcu_preempt3-21ksoftirqd/007:59:180
81500,0rcu_preempt24444-21apt-get09:39:280
292742500,0chrt10050irq/346-484840007:37:370
292742500,0chrt10050irq/346-484840007:37:370
81490,0rcu_preempt3-21ksoftirqd/011:53:320
81490,0rcu_preempt3-21ksoftirqd/010:24:180
81490,0rcu_preempt3-21ksoftirqd/009:04:420
81490,0rcu_preempt3-21ksoftirqd/008:18:300
81490,0rcu_preempt19-21ksoftirqd/111:22:301
81490,0rcu_preempt19-21ksoftirqd/108:08:301
10050490,0irq/346-4848400851-21rngd12:13:120
10050490,0irq/346-48484000-21swapper/011:44:520
81480,0rcu_preempt3-21ksoftirqd/009:34:380
81480,0rcu_preempt3-21ksoftirqd/008:39:360
81480,0rcu_preempt3-21ksoftirqd/008:24:280
81480,0rcu_preempt3-21ksoftirqd/008:13:470
81480,0rcu_preempt19-21ksoftirqd/110:26:081
81480,0rcu_preempt19-21ksoftirqd/110:14:291
81480,0rcu_preempt19-21ksoftirqd/109:25:061
81480,0rcu_preempt19-21ksoftirqd/108:22:041
81470,0rcu_preempt3-21ksoftirqd/010:22:190
81470,0rcu_preempt3-21ksoftirqd/009:58:050
81470,0rcu_preempt3-21ksoftirqd/008:04:320
81470,0rcu_preempt3-21ksoftirqd/007:09:300
81470,0rcu_preempt19-21ksoftirqd/112:32:491
81470,0rcu_preempt19-21ksoftirqd/110:37:121
81470,0rcu_preempt19-21ksoftirqd/110:04:341
81470,0rcu_preempt19-21ksoftirqd/108:15:361
81470,0rcu_preempt19-21ksoftirqd/108:02:121
10050470,0irq/346-484840054-21kswapd008:39:170
81460,0rcu_preempt3-21ksoftirqd/008:59:300
81460,0rcu_preempt3-21ksoftirqd/007:49:420
81460,0rcu_preempt22876-21ping07:29:290
81460,0rcu_preempt20464-21diskstats08:49:320
81460,0rcu_preempt19-21ksoftirqd/111:47:041
81460,0rcu_preempt19-21ksoftirqd/111:41:141
81460,0rcu_preempt19-21ksoftirqd/111:27:571
10050460,0irq/346-48484000-21swapper/010:11:330
81450,0rcu_preempt19-21ksoftirqd/111:04:421
81450,0rcu_preempt19-21ksoftirqd/109:45:211
81450,0rcu_preempt19-21ksoftirqd/108:24:411
81450,0rcu_preempt19-21ksoftirqd/107:30:531
1699450,0migration/117174-21ntp_kernel_pll_12:14:421
81440,0rcu_preempt19-21ksoftirqd/110:09:361
81440,0rcu_preempt19-21ksoftirqd/109:41:171
81440,0rcu_preempt19-21ksoftirqd/107:40:281
81430,0rcu_preempt54-21kswapd012:03:001
81430,0rcu_preempt3-21ksoftirqd/007:24:450
81430,0rcu_preempt19-21ksoftirqd/111:49:351
81430,0rcu_preempt19-21ksoftirqd/110:40:211
81430,0rcu_preempt19-21ksoftirqd/108:37:391
81430,0rcu_preempt19-21ksoftirqd/107:26:181
81420,0rcu_preempt54-21kswapd009:03:541
81420,0rcu_preempt19-21ksoftirqd/110:19:391
81420,0rcu_preempt19-21ksoftirqd/107:56:151
81420,0rcu_preempt19-21ksoftirqd/107:49:371
81420,0rcu_preempt19-21ksoftirqd/107:09:391
81420,0rcu_preempt16449-1kworker/1:1H08:44:091
81410,0rcu_preempt19-21ksoftirqd/112:10:121
81410,0rcu_preempt19-21ksoftirqd/110:49:331
81410,0rcu_preempt19-21ksoftirqd/109:55:241
81410,0rcu_preempt19-21ksoftirqd/109:07:501
10050410,0irq/346-48484000-21swapper/008:46:420
81400,0rcu_preempt19-21ksoftirqd/108:50:451
81400,0rcu_preempt19-21ksoftirqd/108:44:431
81390,0rcu_preempt19-21ksoftirqd/109:21:091
81390,0rcu_preempt19-21ksoftirqd/107:46:521
81390,0rcu_preempt19-21ksoftirqd/107:46:521
81390,0rcu_preempt19-21ksoftirqd/107:37:001
81390,0rcu_preempt19-21ksoftirqd/107:37:001
19588993916,0cyclictest0-21swapper/007:44:530
19588993916,0cyclictest0-21swapper/007:44:530
81380,0rcu_preempt3-21ksoftirqd/007:19:420
81380,0rcu_preempt19457-21taskset07:08:141
81380,0rcu_preempt19-21ksoftirqd/108:57:541
81380,0rcu_preempt19-21ksoftirqd/108:29:271
81380,0rcu_preempt19-21ksoftirqd/107:14:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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