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2026-02-25 - 10:11
[ 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 Wed Feb 25, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811450,0rcu_preempt3-21ksoftirqd/023:04:370
811340,0rcu_preempt3-21ksoftirqd/023:00:150
811240,0rcu_preempt3-21ksoftirqd/019:04:420
811130,0rcu_preempt3-21ksoftirqd/000:04:300
811120,0rcu_preempt3-21ksoftirqd/022:36:280
811100,0rcu_preempt3-21ksoftirqd/022:17:280
81980,0rcu_preempt3-21ksoftirqd/023:52:500
81980,0rcu_preempt3-21ksoftirqd/023:52:500
81940,0rcu_preempt3-21ksoftirqd/022:28:390
81940,0rcu_preempt3-21ksoftirqd/021:49:280
81930,0rcu_preempt7137-21kworker/0:021:12:010
81910,0rcu_preempt54-21kswapd021:34:350
81910,0rcu_preempt22302-21ssh00:22:130
81900,0rcu_preempt3-21ksoftirqd/021:24:290
81890,0rcu_preempt3-21ksoftirqd/023:37:360
81870,0rcu_preempt3882-21kworker/0:220:05:590
81850,0rcu_preempt3-21ksoftirqd/022:52:520
81850,0rcu_preempt3-21ksoftirqd/000:03:230
81830,0rcu_preempt3-21ksoftirqd/023:29:380
81830,0rcu_preempt3-21ksoftirqd/022:43:100
81830,0rcu_preempt3-21ksoftirqd/021:32:210
81830,0rcu_preempt3-21ksoftirqd/019:59:470
81830,0rcu_preempt3-21ksoftirqd/000:14:450
81820,0rcu_preempt3-21ksoftirqd/022:09:000
81820,0rcu_preempt3-21ksoftirqd/019:54:430
81820,0rcu_preempt3-21ksoftirqd/000:29:300
81820,0rcu_preempt1518-21ssh22:55:140
81810,0rcu_preempt3882-21kworker/0:220:21:080
81810,0rcu_preempt3-21ksoftirqd/023:09:440
81810,0rcu_preempt3-21ksoftirqd/023:09:440
81810,0rcu_preempt3-21ksoftirqd/021:59:550
81810,0rcu_preempt3-21ksoftirqd/021:39:370
81800,0rcu_preempt3-21ksoftirqd/023:41:590
81800,0rcu_preempt3-21ksoftirqd/023:41:590
81800,0rcu_preempt3-21ksoftirqd/023:23:370
81800,0rcu_preempt3-21ksoftirqd/023:15:390
81800,0rcu_preempt3-21ksoftirqd/022:44:320
81800,0rcu_preempt3-21ksoftirqd/020:49:410
81800,0rcu_preempt15030-21kworker/0:120:39:390
81790,0rcu_preempt3-21ksoftirqd/023:24:520
81790,0rcu_preempt3-21ksoftirqd/021:06:550
81790,0rcu_preempt3-21ksoftirqd/020:35:050
81790,0rcu_preempt3-21ksoftirqd/020:24:380
81790,0rcu_preempt3-21ksoftirqd/000:13:070
81790,0rcu_preempt3-21ksoftirqd/000:13:070
81780,0rcu_preempt3-21ksoftirqd/023:44:380
81780,0rcu_preempt3-21ksoftirqd/022:30:590
81780,0rcu_preempt3-21ksoftirqd/022:30:590
81780,0rcu_preempt3-21ksoftirqd/021:57:270
81780,0rcu_preempt3-21ksoftirqd/020:14:310
81780,0rcu_preempt3-21ksoftirqd/000:35:420
81780,0rcu_preempt3-21ksoftirqd/000:25:120
81770,0rcu_preempt3-21ksoftirqd/022:20:050
81770,0rcu_preempt3-21ksoftirqd/021:47:210
81770,0rcu_preempt3-21ksoftirqd/019:18:440
81760,0rcu_preempt3-21ksoftirqd/023:56:570
81760,0rcu_preempt3-21ksoftirqd/022:09:310
81760,0rcu_preempt3-21ksoftirqd/022:09:310
81760,0rcu_preempt3-21ksoftirqd/020:48:210
81760,0rcu_preempt3-21ksoftirqd/019:51:560
81760,0rcu_preempt3-21ksoftirqd/019:49:160
81760,0rcu_preempt2079-21ping20:09:320
81750,0rcu_preempt3-21ksoftirqd/021:19:340
81750,0rcu_preempt3-21ksoftirqd/021:00:490
81740,0rcu_preempt3-21ksoftirqd/021:15:420
81740,0rcu_preempt3-21ksoftirqd/020:55:350
81720,0rcu_preempt3-21ksoftirqd/020:31:370
81720,0rcu_preempt3-21ksoftirqd/019:11:570
10050700,0irq/346-4848400171rcuc/123:35:491
10050670,0irq/346-4848400181ktimersoftd/121:23:371
10050660,0irq/346-4848400171rcuc/122:43:151
10050650,0irq/346-4848400181ktimersoftd/121:18:381
10050640,0irq/346-4848400181ktimersoftd/121:35:561
10050630,0irq/346-4848400171rcuc/122:46:321
10050620,0irq/346-4848400181ktimersoftd/123:08:381
10050620,0irq/346-4848400171rcuc/123:00:371
81610,0rcu_preempt24968-21kworker/0:019:30:000
10050610,0irq/346-4848400181ktimersoftd/123:15:371
10050600,0irq/346-4848400181ktimersoftd/100:34:461
81590,0rcu_preempt3-21ksoftirqd/019:34:360
10050590,0irq/346-4848400181ktimersoftd/122:29:211
10050590,0irq/346-4848400181ktimersoftd/122:29:211
10050590,0irq/346-4848400181ktimersoftd/122:11:431
10050590,0irq/346-4848400181ktimersoftd/122:11:431
10050590,0irq/346-4848400181ktimersoftd/100:09:471
10050590,0irq/346-4848400181ktimersoftd/100:09:471
9950580,0irq/345-4848400171rcuc/123:29:411
9950580,0irq/345-4848400171rcuc/100:07:421
10050580,0irq/346-4848400181ktimersoftd/121:51:351
81570,0rcu_preempt3-21ksoftirqd/019:24:490
10050570,0irq/346-4848400181ktimersoftd/121:48:441
10050560,0irq/346-4848400181ktimersoftd/122:37:451
10050560,0irq/346-4848400181ktimersoftd/122:25:201
10050550,0irq/346-4848400181ktimersoftd/123:28:151
10050540,0irq/346-484840029570-21taskset19:42:200
10050540,0irq/346-4848400171rcuc/123:58:301
9950530,0irq/345-4848400181ktimersoftd/122:50:551
10050530,0irq/346-484840054-21kswapd021:55:481
10050530,0irq/346-4848400181ktimersoftd/121:41:361
10050530,0irq/346-4848400171rcuc/100:26:311
1823499521,0cyclictest25355-21diskmemload22:14:281
10050520,0irq/346-484840054-21kswapd023:51:131
10050520,0irq/346-484840054-21kswapd023:51:131
10050520,0irq/346-4848400181ktimersoftd/100:29:491
10050510,0irq/346-484840054-21kswapd022:01:171
1823499502,0cyclictest16952-21diskmemload23:10:581
1823499502,0cyclictest16952-21diskmemload23:10:581
10050500,0irq/346-4848400970-21ssh00:00:161
10050500,0irq/346-484840026383-21ssh23:20:191
10050500,0irq/346-4848400181ktimersoftd/120:14:421
1823499499,0cyclictest15262-21ssh22:04:281
18234994911,0cyclictest8015-21apt-get21:24:261
10050490,0irq/346-484840054-21kswapd023:39:501
10050490,0irq/346-484840054-21kswapd023:39:501
10050490,0irq/346-484840030239-21ssh21:14:131
10050490,0irq/346-484840021516-1kworker/1:2H00:24:091
10050490,0irq/346-4848400171rcuc/122:55:451
10050490,0irq/346-4848400171rcuc/121:33:051
1823499487,0cyclictest21525-21ping19:29:291
9950470,0irq/345-48484000-21swapper/119:44:381
1823499478,0cyclictest9343-1kworker/1:1H23:44:491
1823499477,0cyclictest30175-21aten_rapower_po22:19:281
1823499468,0cyclictest14999-21ntp_kernel_pll_00:14:411
10050460,0irq/346-484840022256-21sed19:19:400
1823499458,0cyclictest4272-21dropbear20:04:311
18234994412,0cyclictest6406-21sh20:09:431
18234994410,0cyclictest22750-21vmstat19:19:501
81430,0rcu_preempt19-21ksoftirqd/119:58:311
1823499439,0cyclictest36052sleep120:00:511
1823499438,0cyclictest22983-21processes20:59:421
1823499436,0cyclictest19721-21munin-node1
1823499432,0cyclictest12318-21runrttasks20:29:281
1823499432,0cyclictest10258-1kworker/1:1H20:24:291
1823499429,0cyclictest1470-21runrttasks20:57:411
1823499424,0cyclictest54-21kswapd019:49:281
1823499422,0cyclictest8496-1kworker/1:3H20:19:491
1823499419,0cyclictest20838-21switchtime19:14:421
1823499417,0cyclictest16285-1kworker/1:1H19:09:291
1823499417,0cyclictest10050irq/346-484840019:39:521
9950400,0irq/345-484840018231-21cpufreq19:09:171
81400,0rcu_preempt19-21ksoftirqd/119:35:121
1823499408,0cyclictest23370-21cut19:24:291
1823499408,0cyclictest0-21swapper/120:34:351
1823499407,0cyclictest25101-1kworker/1:0H21:09:171
1823499406,0cyclictest1067-21lighttpd20:44:331
1823499402,0cyclictest16115-21kernelversion20:39:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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