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2026-02-26 - 12:00
[ 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 792 highest latencies:
System rackaslot5s.osadl.org (updated Thu Feb 26, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811160,0rcu_preempt3-21ksoftirqd/022:49:440
811110,0rcu_preempt19-21ksoftirqd/122:39:161
811100,0rcu_preempt3-21ksoftirqd/022:29:280
81920,0rcu_preempt3-21ksoftirqd/022:44:410
81890,0rcu_preempt3-21ksoftirqd/021:14:160
81860,0rcu_preempt3-21ksoftirqd/000:19:430
81840,0rcu_preempt3-21ksoftirqd/000:09:310
81830,0rcu_preempt3-21ksoftirqd/000:24:280
81830,0rcu_preempt3-21ksoftirqd/000:04:160
81720,0rcu_preempt19-21ksoftirqd/122:18:421
81720,0rcu_preempt16031-21kworker/0:121:49:280
81710,0rcu_preempt10589-21cyclictest20:14:440
81690,0rcu_preempt3-21ksoftirqd/023:14:440
81680,0rcu_preempt3-21ksoftirqd/022:09:400
81680,0rcu_preempt3-21ksoftirqd/000:34:290
81670,0rcu_preempt3-21ksoftirqd/023:49:280
81640,0rcu_preempt19-21ksoftirqd/123:34:021
81640,0rcu_preempt19-21ksoftirqd/100:24:281
81630,0rcu_preempt3-21ksoftirqd/021:24:300
81630,0rcu_preempt3-21ksoftirqd/000:29:430
81630,0rcu_preempt3-21ksoftirqd/000:14:370
81630,0rcu_preempt19-21ksoftirqd/119:54:291
81620,0rcu_preempt3-21ksoftirqd/023:04:270
81620,0rcu_preempt19-21ksoftirqd/122:43:511
81610,0rcu_preempt3-21ksoftirqd/023:34:410
81610,0rcu_preempt19-21ksoftirqd/122:00:061
10050610,0irq/346-48484000-21swapper/121:29:311
81600,0rcu_preempt3-21ksoftirqd/022:59:380
81600,0rcu_preempt3-21ksoftirqd/022:24:440
81600,0rcu_preempt3-21ksoftirqd/022:19:280
81600,0rcu_preempt19-21ksoftirqd/123:19:401
81590,0rcu_preempt3-21ksoftirqd/022:39:170
81590,0rcu_preempt3-21ksoftirqd/022:04:400
81590,0rcu_preempt3-21ksoftirqd/021:59:300
81590,0rcu_preempt19-21ksoftirqd/122:29:351
81580,0rcu_preempt19-21ksoftirqd/123:09:171
81570,0rcu_preempt3-21ksoftirqd/022:14:420
81560,0rcu_preempt19-21ksoftirqd/123:54:281
81560,0rcu_preempt17707-21diskmemload22:04:551
81550,0rcu_preempt19-21ksoftirqd/121:52:081
81540,0rcu_preempt3-21ksoftirqd/021:44:280
81530,0rcu_preempt3-21ksoftirqd/021:19:360
81530,0rcu_preempt19-21ksoftirqd/123:59:441
81530,0rcu_preempt19-21ksoftirqd/120:19:161
81530,0rcu_preempt19-21ksoftirqd/120:19:161
81530,0rcu_preempt19-21ksoftirqd/100:34:391
81530,0rcu_preempt11622-21kworker/0:022:56:010
81520,0rcu_preempt3-21ksoftirqd/023:19:410
81520,0rcu_preempt19-21ksoftirqd/100:19:371
81510,0rcu_preempt19-21ksoftirqd/121:26:471
81510,0rcu_preempt19-21ksoftirqd/120:54:351
81510,0rcu_preempt19-21ksoftirqd/119:59:361
81490,0rcu_preempt3-21ksoftirqd/019:59:350
81490,0rcu_preempt19-21ksoftirqd/123:04:401
81490,0rcu_preempt19-21ksoftirqd/121:54:351
81480,0rcu_preempt3-21ksoftirqd/023:59:150
81480,0rcu_preempt19-21ksoftirqd/123:38:491
10050480,0irq/346-484840011384-1kworker/0:1H21:39:170
81470,0rcu_preempt19-21ksoftirqd/122:24:041
81470,0rcu_preempt19-21ksoftirqd/121:43:221
81470,0rcu_preempt19-21ksoftirqd/121:20:491
81470,0rcu_preempt19-21ksoftirqd/100:05:261
81470,0rcu_preempt12137-21apt-get23:14:251
81460,0rcu_preempt3-21ksoftirqd/021:34:290
81460,0rcu_preempt3-21ksoftirqd/021:34:120
81460,0rcu_preempt3-21ksoftirqd/021:14:480
81460,0rcu_preempt3-21ksoftirqd/019:07:540
81460,0rcu_preempt19-21ksoftirqd/122:53:021
81460,0rcu_preempt19-21ksoftirqd/121:17:201
10050460,0irq/346-484840030163-21ssh21:54:290
9950450,0irq/345-484840027828-21ssh23:29:420
9950450,0irq/345-484840019515-21munin-node0
9950450,0irq/345-484840010132-21forks22:39:310
81450,0rcu_preempt3-21ksoftirqd/023:46:200
81450,0rcu_preempt19-21ksoftirqd/100:29:261
81450,0rcu_preempt19-21ksoftirqd/100:14:231
10050450,0irq/346-48484001625-1kworker/0:1H23:43:250
10050450,0irq/346-484840011306-21ssh23:13:310
81440,0rcu_preempt21913-21wc23:24:161
81440,0rcu_preempt20117-21apt-get21:44:251
81440,0rcu_preempt19-21ksoftirqd/123:44:281
81440,0rcu_preempt1470-21runrttasks20:19:440
81440,0rcu_preempt1470-21runrttasks20:19:440
10050440,0irq/346-484840026750-21latency_hist23:29:150
81430,0rcu_preempt3-21ksoftirqd/020:29:310
81430,0rcu_preempt20566-1kworker/1:0H21:13:551
81430,0rcu_preempt19-21ksoftirqd/123:41:321
81430,0rcu_preempt19-21ksoftirqd/122:54:351
81430,0rcu_preempt19-21ksoftirqd/120:49:341
81430,0rcu_preempt17707-21diskmemload23:49:361
1599430,0migration/07009-21munin-node0
10050430,0irq/346-484840023464-1kworker/0:3H19:49:380
10050430,0irq/346-484840017709-21munin-run21:09:150
10050430,0irq/346-484840012485-1kworker/0:0H21:01:270
81420,0rcu_preempt3-21ksoftirqd/000:05:150
10050420,0irq/346-484840022434-21ssh19:44:300
10050420,0irq/346-484840010565-1kworker/0:1H19:09:310
9950410,0irq/345-48484000-21swapper/019:29:420
81410,0rcu_preempt19-21ksoftirqd/122:59:171
81410,0rcu_preempt19-21ksoftirqd/120:29:361
81410,0rcu_preempt17229-21ssh22:14:151
1599410,0migration/011434-21runrttasks20:49:280
10050410,0irq/346-48484004481-21runrttasks20:28:580
81400,0rcu_preempt27903-21ssh22:24:351
81400,0rcu_preempt19-21ksoftirqd/122:44:281
81400,0rcu_preempt19-21ksoftirqd/119:04:301
81400,0rcu_preempt15223-21ntpdc20:59:391
4350400,0irq/32-4330000030676-21dropbear20:09:300
1599400,0migration/029620-21rt-features20:04:430
10050400,0irq/346-484840014397-21latency_hist20:59:160
10050400,0irq/346-484840012831-21if_eth219:14:340
81390,0rcu_preempt26693-21ping20:04:411
81390,0rcu_preempt19-21ksoftirqd/119:43:541
81390,0rcu_preempt0-21swapper/119:24:441
9950380,0irq/345-48484000-21swapper/019:54:330
81380,0rcu_preempt19-21ksoftirqd/120:13:081
81380,0rcu_preempt19-21ksoftirqd/119:49:171
81380,0rcu_preempt19-21ksoftirqd/100:09:301
81380,0rcu_preempt17529-21df_inode19:29:331
81380,0rcu_preempt11605-21ssh21:34:531
107202380,0sleep09190-1kworker/0:0H20:45:090
10050380,0irq/346-48484009467-21idleruntime-cro20:44:160
10050370,0irq/346-484840023742-21cron19:49:151
81360,0rcu_preempt17013-21switchtime21:04:401
81360,0rcu_preempt1049-21avahi-daemon19:15:591
81360,0rcu_preempt0-21swapper/120:24:411
81360,0rcu_preempt0-21swapper/119:19:351
81360,0rcu_preempt0-21swapper/119:09:401
10050360,0irq/346-48484000-21swapper/019:29:170
81350,0rcu_preempt32127-21apt-get20:14:261
9950340,0irq/345-484840013884-21ping19:39:420
81340,0rcu_preempt0-21swapper/120:34:321
10050340,0irq/346-484840014355-21if_can019:19:370
81330,0rcu_preempt9615-21apt-get20:44:271
81330,0rcu_preempt19-21ksoftirqd/120:39:311
81330,0rcu_preempt19-21ksoftirqd/119:35:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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