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2026-03-02 - 11:23
[ 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 100 highest latencies:
System rackaslot5s.osadl.org (updated Mon Mar 02, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811180,0rcu_preempt19-21ksoftirqd/100:04:121
811060,0rcu_preempt19-21ksoftirqd/121:09:281
811050,0rcu_preempt3-21ksoftirqd/000:21:470
811010,0rcu_preempt3-21ksoftirqd/022:21:010
811010,0rcu_preempt3-21ksoftirqd/021:11:120
81970,0rcu_preempt54-21kswapd000:29:391
81900,0rcu_preempt851-21rngd22:24:131
81880,0rcu_preempt19-21ksoftirqd/100:24:291
81860,0rcu_preempt19-21ksoftirqd/121:18:351
81840,0rcu_preempt19-21ksoftirqd/123:39:311
81820,0rcu_preempt19-21ksoftirqd/122:49:331
81770,0rcu_preempt54-21kswapd023:30:410
81750,0rcu_preempt19-21ksoftirqd/122:30:041
81750,0rcu_preempt19-21ksoftirqd/121:47:571
81750,0rcu_preempt19-21ksoftirqd/121:34:311
81740,0rcu_preempt3-21ksoftirqd/022:52:470
81730,0rcu_preempt3-21ksoftirqd/022:10:510
81720,0rcu_preempt0-21swapper/123:35:001
81710,0rcu_preempt3-21ksoftirqd/021:34:100
81710,0rcu_preempt3-21ksoftirqd/000:02:000
81700,0rcu_preempt19-21ksoftirqd/122:07:471
81690,0rcu_preempt3-21ksoftirqd/023:40:230
81690,0rcu_preempt3-21ksoftirqd/019:47:190
81680,0rcu_preempt19-21ksoftirqd/121:26:151
81670,0rcu_preempt23267-21kworker/0:121:54:230
81660,0rcu_preempt54-21kswapd023:21:250
81660,0rcu_preempt19-21ksoftirqd/123:04:301
81660,0rcu_preempt19-21ksoftirqd/100:20:471
10050660,0irq/346-484840032314-1kworker/0:1H23:10:440
81650,0rcu_preempt3-21ksoftirqd/000:34:400
81650,0rcu_preempt19-21ksoftirqd/121:51:551
81630,0rcu_preempt19-21ksoftirqd/122:00:471
81630,0rcu_preempt19-21ksoftirqd/100:14:381
81620,0rcu_preempt19-21ksoftirqd/123:25:161
81620,0rcu_preempt19-21ksoftirqd/122:54:321
81620,0rcu_preempt19-21ksoftirqd/122:35:281
81610,0rcu_preempt19-21ksoftirqd/100:37:191
81600,0rcu_preempt19-21ksoftirqd/122:20:551
81600,0rcu_preempt19-21ksoftirqd/122:16:351
10050600,0irq/346-484840029802-1kworker/0:1H22:32:180
9950580,0irq/345-4848400181ktimersoftd/122:45:061
81580,0rcu_preempt0-21swapper/121:31:421
272472580,0chrt24839-1kworker/0:2H22:29:050
81570,0rcu_preempt3-21ksoftirqd/021:14:340
81570,0rcu_preempt19-21ksoftirqd/123:49:211
81570,0rcu_preempt19-21ksoftirqd/122:39:371
9950560,0irq/345-4848400181ktimersoftd/123:16:051
81560,0rcu_preempt3-21ksoftirqd/022:47:570
81550,0rcu_preempt3-21ksoftirqd/022:39:120
300652550,0chrt10050irq/346-484840020:22:470
81540,0rcu_preempt3-21ksoftirqd/023:14:340
81540,0rcu_preempt3-21ksoftirqd/020:09:370
81540,0rcu_preempt19-21ksoftirqd/119:56:461
81530,0rcu_preempt3-21ksoftirqd/023:44:250
81530,0rcu_preempt3-21ksoftirqd/021:39:340
81530,0rcu_preempt3-21ksoftirqd/021:39:340
81530,0rcu_preempt3-21ksoftirqd/021:22:160
81530,0rcu_preempt3-21ksoftirqd/020:34:130
81530,0rcu_preempt3-21ksoftirqd/020:34:130
81530,0rcu_preempt3-21ksoftirqd/019:09:300
81530,0rcu_preempt3-21ksoftirqd/000:14:170
81530,0rcu_preempt19-21ksoftirqd/123:09:251
81530,0rcu_preempt19-21ksoftirqd/120:04:261
81520,0rcu_preempt3-21ksoftirqd/022:59:290
81520,0rcu_preempt3-21ksoftirqd/022:14:540
81520,0rcu_preempt3-21ksoftirqd/019:54:340
81520,0rcu_preempt19-21ksoftirqd/122:09:251
81520,0rcu_preempt0-21swapper/100:04:171
10050520,0irq/346-484840032314-1kworker/0:1H23:06:230
9950510,0irq/345-4848400181ktimersoftd/123:23:561
9950510,0irq/345-4848400181ktimersoftd/100:12:421
81510,0rcu_preempt3-21ksoftirqd/023:49:130
81510,0rcu_preempt3-21ksoftirqd/021:59:360
81510,0rcu_preempt3-21ksoftirqd/021:28:290
81510,0rcu_preempt3-21ksoftirqd/000:09:390
81510,0rcu_preempt3-21ksoftirqd/000:04:520
10050510,0irq/346-48484004780-21munin-node0
81500,0rcu_preempt3-21ksoftirqd/023:38:170
81500,0rcu_preempt3-21ksoftirqd/022:40:120
81500,0rcu_preempt3-21ksoftirqd/022:05:230
81500,0rcu_preempt3-21ksoftirqd/020:59:230
81500,0rcu_preempt19-21ksoftirqd/123:00:291
81500,0rcu_preempt19-21ksoftirqd/120:19:341
10050500,0irq/346-484840022370-1kworker/0:3H22:56:260
81490,0rcu_preempt3-21ksoftirqd/023:24:130
81490,0rcu_preempt3-21ksoftirqd/021:46:240
81490,0rcu_preempt3-21ksoftirqd/020:54:320
81490,0rcu_preempt3-21ksoftirqd/019:59:240
81490,0rcu_preempt19-21ksoftirqd/119:49:511
81480,0rcu_preempt54-21kswapd023:56:491
81480,0rcu_preempt3-21ksoftirqd/023:54:170
81480,0rcu_preempt3-21ksoftirqd/021:49:360
81480,0rcu_preempt3-21ksoftirqd/021:34:360
81480,0rcu_preempt3-21ksoftirqd/020:39:340
81480,0rcu_preempt3-21ksoftirqd/019:49:230
81480,0rcu_preempt3-21ksoftirqd/019:14:220
81480,0rcu_preempt3-21ksoftirqd/000:29:290
81480,0rcu_preempt19-21ksoftirqd/121:39:221
81480,0rcu_preempt19-21ksoftirqd/121:39:221
81480,0rcu_preempt19-21ksoftirqd/120:14:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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