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2026-02-06 - 11:23
[ 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 highest latencies:
System rackaslot5s.osadl.org (updated Fri Feb 06, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811070,0rcu_preempt24751-1kworker/0:2H21:39:400
811070,0rcu_preempt19-21ksoftirqd/123:40:031
811050,0rcu_preempt3-21ksoftirqd/022:25:020
811040,0rcu_preempt19-21ksoftirqd/121:40:051
81970,0rcu_preempt54-21kswapd022:19:361
81940,0rcu_preempt19-21ksoftirqd/121:44:521
81900,0rcu_preempt19-21ksoftirqd/121:30:021
81890,0rcu_preempt11667-21kworker/1:222:54:161
81890,0rcu_preempt11667-21kworker/1:222:54:161
81870,0rcu_preempt54-21kswapd019:39:441
81870,0rcu_preempt54-21kswapd019:39:441
81860,0rcu_preempt54-21kswapd021:51:541
81860,0rcu_preempt19-21ksoftirqd/123:49:351
81840,0rcu_preempt19-21ksoftirqd/121:59:461
81840,0rcu_preempt19-21ksoftirqd/121:59:461
81820,0rcu_preempt19-21ksoftirqd/122:39:531
81810,0rcu_preempt30663-21ntp_states23:20:011
81810,0rcu_preempt19-21ksoftirqd/121:09:351
81810,0rcu_preempt19-21ksoftirqd/100:04:461
81790,0rcu_preempt19-21ksoftirqd/120:34:471
81780,0rcu_preempt19-21ksoftirqd/123:49:461
81780,0rcu_preempt19-21ksoftirqd/123:04:511
81780,0rcu_preempt19-21ksoftirqd/121:54:511
81780,0rcu_preempt19-21ksoftirqd/119:34:531
81770,0rcu_preempt19-21ksoftirqd/119:29:511
81760,0rcu_preempt19-21ksoftirqd/122:35:371
81760,0rcu_preempt14911-1kworker/1:2H23:37:561
81750,0rcu_preempt19-21ksoftirqd/122:54:581
81750,0rcu_preempt19-21ksoftirqd/120:19:341
81730,0rcu_preempt19-21ksoftirqd/100:37:541
81730,0rcu_preempt19-21ksoftirqd/100:24:581
81730,0rcu_preempt19-21ksoftirqd/100:15:061
81730,0rcu_preempt11667-21kworker/1:222:44:351
81720,0rcu_preempt19-21ksoftirqd/119:50:001
81720,0rcu_preempt19-21ksoftirqd/119:09:581
81710,0rcu_preempt19-21ksoftirqd/121:34:471
81700,0rcu_preempt19-21ksoftirqd/123:29:471
81700,0rcu_preempt19-21ksoftirqd/120:24:351
81700,0rcu_preempt19-21ksoftirqd/120:05:011
81680,0rcu_preempt19-21ksoftirqd/121:20:041
81680,0rcu_preempt19-21ksoftirqd/120:45:001
81670,0rcu_preempt19-21ksoftirqd/123:00:041
81670,0rcu_preempt19-21ksoftirqd/100:20:021
81640,0rcu_preempt19-21ksoftirqd/123:54:481
81630,0rcu_preempt19-21ksoftirqd/122:29:461
81610,0rcu_preempt19-21ksoftirqd/100:32:171
81590,0rcu_preempt19-21ksoftirqd/121:24:551
81590,0rcu_preempt19-21ksoftirqd/119:19:471
22468995920,0cyclictest1079-21ssh22:50:190
22468995920,0cyclictest1079-21ssh22:50:190
81580,0rcu_preempt19-21ksoftirqd/122:15:041
22468995820,0cyclictest15262-21ssh21:59:460
22468995820,0cyclictest15262-21ssh21:59:460
81570,0rcu_preempt31971-1kworker/0:2H19:39:430
81570,0rcu_preempt31971-1kworker/0:2H19:39:430
81560,0rcu_preempt19-21ksoftirqd/123:24:451
22468995621,0cyclictest9939-21df_abs22:59:500
22468995620,0cyclictest23628-21timerandwakeup21:35:020
81550,0rcu_preempt19-21ksoftirqd/123:09:461
81550,0rcu_preempt19-21ksoftirqd/121:14:551
81550,0rcu_preempt19-21ksoftirqd/120:19:591
81550,0rcu_preempt19-21ksoftirqd/119:15:021
22468995525,0cyclictest4909-21latency_hist23:59:350
22468995520,0cyclictest5179-21apt-get23:59:460
22468995421,0cyclictest1316-21sshd22:29:440
81530,0rcu_preempt1348-21lldpd22:35:110
22468995315,0cyclictest0-21swapper/000:14:480
22468995314,0cyclictest4606-1kworker/0:2H21:20:070
81520,0rcu_preempt3360-21apt-get19:49:430
22468995216,0cyclictest31085-21munin-node0
22468995211,0cyclictest0-21swapper/022:13:330
81510,0rcu_preempt19-21ksoftirqd/122:28:481
81510,0rcu_preempt19-21ksoftirqd/121:04:511
22468995122,0cyclictest29234-1kworker/0:0H21:09:420
22468995118,0cyclictest0-21swapper/020:19:470
81500,0rcu_preempt3-21ksoftirqd/022:39:390
81500,0rcu_preempt19-21ksoftirqd/123:18:331
81500,0rcu_preempt19-21ksoftirqd/120:00:051
81500,0rcu_preempt19-21ksoftirqd/100:14:111
22468995022,0cyclictest5224-21apt-get21:49:470
22468995019,0cyclictest25756-21ping19:19:470
22468995011,0cyclictest0-21swapper/022:08:550
81490,0rcu_preempt3-21ksoftirqd/023:29:560
81490,0rcu_preempt19-21ksoftirqd/122:09:021
81490,0rcu_preempt19-21ksoftirqd/120:39:511
22468994919,0cyclictest1470-21runrttasks21:24:470
22468994918,0cyclictest18962-21ssh23:08:540
22468994917,0cyclictest20481-21ssh23:42:180
22468994916,0cyclictest0-21swapper/000:19:470
81480,0rcu_preempt6166-21ping20:10:051
22468994828,0cyclictest0-21swapper/022:46:540
22468994821,0cyclictest12663-1kworker/0:0H00:07:370
22468994815,0cyclictest19324-1kworker/0:0H20:39:400
22468994811,0cyclictest0-21swapper/021:31:420
22468994811,0cyclictest0-21swapper/000:29:470
81470,0rcu_preempt6166-21ping20:25:050
81470,0rcu_preempt19-21ksoftirqd/120:54:491
81470,0rcu_preempt19-21ksoftirqd/120:30:021
22468994723,0cyclictest30214-1kworker/0:1H22:19:340
22468994718,0cyclictest7782-21rm22:57:280
22468994715,0cyclictest0-21swapper/022:24:240
22468994714,0cyclictest31985-1kworker/0:1H21:15:260
22468994714,0cyclictest19325-1kworker/0:1H20:39:350
22468994712,0cyclictest0-21swapper/021:45:320
81460,0rcu_preempt3-21ksoftirqd/023:49:490
22468994622,0cyclictest3276-21munin-node0
22468994618,0cyclictest0-21swapper/020:59:470
22468994617,0cyclictest15608-21rm23:37:290
22468994616,0cyclictest28948-21cat21:05:010
22468994616,0cyclictest25756-21ping19:19:350
22468994615,0cyclictest0-21swapper/000:28:190
22468994614,0cyclictest4605-1kworker/0:0H19:54:510
22468994613,0cyclictest15001-21sendmail-msp21:59:350
2246899461,0cyclictest6166-21ping19:59:390
13250460,0irq/301-480200021160-21sh19:04:500
81450,0rcu_preempt19-21ksoftirqd/122:10:131
22468994521,0cyclictest16560-21aten_rapower_cu20:29:480
22468994520,0cyclictest25756-21ping19:24:450
22468994518,0cyclictest0-21swapper/019:29:590
22468994517,0cyclictest25815-21vmstat20:55:010
22468994515,0cyclictest1350-21lldpd23:16:140
22468994515,0cyclictest0-21swapper/023:44:560
22468994514,0cyclictest54-21kswapd023:10:410
22468994417,0cyclictest1470-21runrttasks20:13:280
22468994416,0cyclictest8460-21sh00:34:570
22468994413,0cyclictest0-21swapper/019:39:360
81430,0rcu_preempt19-21ksoftirqd/120:49:571
22468994324,0cyclictest22612-21apt-get19:09:450
22468994316,0cyclictest12663-1kworker/0:0H00:11:390
22468994315,0cyclictest21880-21if_eth020:44:540
22468994225,0cyclictest8568-21wget20:04:530
9950410,0irq/345-48484007658-1kworker/1:4H00:04:061
81410,0rcu_preempt19-21ksoftirqd/119:56:171
81410,0rcu_preempt19-21ksoftirqd/119:45:031
22468994117,0cyclictest13096-21awk20:19:340
22468994014,0cyclictest0-21swapper/020:51:330
9950390,0irq/345-484840026278-21sendmail-msp20:59:431
81390,0rcu_preempt19-21ksoftirqd/119:07:171
22468993916,0cyclictest25756-21ping19:44:570
9950370,0irq/345-484840025756-21ping19:24:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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