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2026-01-26 - 12:01
[ 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 Mon Jan 26, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811340,0rcu_preempt19-21ksoftirqd/119:25:221
811260,0rcu_preempt6380-21diskmemload22:25:151
811180,0rcu_preempt19-21ksoftirqd/121:23:171
811140,0rcu_preempt19-21ksoftirqd/121:40:011
811130,0rcu_preempt9870-21ssh23:57:091
811100,0rcu_preempt6380-21diskmemload23:13:041
811080,0rcu_preempt7872-21diskstats19:35:051
811080,0rcu_preempt15843-21ps23:30:121
811070,0rcu_preempt19-21ksoftirqd/100:11:251
811060,0rcu_preempt19-21ksoftirqd/122:40:111
811050,0rcu_preempt19-21ksoftirqd/123:04:461
811040,0rcu_preempt19-21ksoftirqd/123:04:101
811040,0rcu_preempt0-21swapper/122:29:591
811010,0rcu_preempt19-21ksoftirqd/119:44:451
811010,0rcu_preempt19-21ksoftirqd/100:09:051
811000,0rcu_preempt19-21ksoftirqd/121:09:551
81980,0rcu_preempt19-21ksoftirqd/122:15:521
81980,0rcu_preempt19-21ksoftirqd/121:50:091
81980,0rcu_preempt0-21swapper/123:50:031
81970,0rcu_preempt19-21ksoftirqd/121:55:181
81950,0rcu_preempt19-21ksoftirqd/123:35:051
81950,0rcu_preempt19-21ksoftirqd/123:22:261
81940,0rcu_preempt19-21ksoftirqd/123:16:371
81930,0rcu_preempt54-21kswapd023:49:261
81930,0rcu_preempt54-21kswapd021:32:431
81930,0rcu_preempt19-21ksoftirqd/121:15:021
81930,0rcu_preempt19-21ksoftirqd/100:04:211
81930,0rcu_preempt0-21swapper/100:22:191
81920,0rcu_preempt54-21kswapd021:29:311
81920,0rcu_preempt54-21kswapd000:26:251
81920,0rcu_preempt19-21ksoftirqd/122:19:511
81910,0rcu_preempt19-21ksoftirqd/122:57:461
81910,0rcu_preempt19-21ksoftirqd/122:57:461
81900,0rcu_preempt3-21ksoftirqd/000:19:460
81900,0rcu_preempt19-21ksoftirqd/122:09:401
81900,0rcu_preempt19-21ksoftirqd/121:44:571
81890,0rcu_preempt19-21ksoftirqd/121:35:091
81880,0rcu_preempt19-21ksoftirqd/122:52:071
81870,0rcu_preempt54-21kswapd000:33:311
81870,0rcu_preempt19-21ksoftirqd/123:28:331
81820,0rcu_preempt0-21swapper/100:17:271
81810,0rcu_preempt19-21ksoftirqd/123:40:061
81810,0rcu_preempt19-21ksoftirqd/121:05:091
81810,0rcu_preempt19-21ksoftirqd/120:25:431
81810,0rcu_preempt19-21ksoftirqd/119:59:471
81800,0rcu_preempt19-21ksoftirqd/119:30:131
81790,0rcu_preempt19-21ksoftirqd/120:19:011
81780,0rcu_preempt19-21ksoftirqd/120:40:051
81770,0rcu_preempt19-21ksoftirqd/120:22:581
81770,0rcu_preempt19-21ksoftirqd/120:10:591
81760,0rcu_preempt19-21ksoftirqd/119:58:151
81730,0rcu_preempt6380-21diskmemload22:01:341
81730,0rcu_preempt19-21ksoftirqd/120:07:171
81720,0rcu_preempt19-21ksoftirqd/122:09:571
81720,0rcu_preempt19-21ksoftirqd/119:50:001
81720,0rcu_preempt19-21ksoftirqd/119:15:111
81720,0rcu_preempt19-21ksoftirqd/100:36:551
10050710,0irq/346-484840019366-1kworker/0:0H00:14:530
81690,0rcu_preempt3-21ksoftirqd/000:05:120
81690,0rcu_preempt22203-1kworker/0:1H23:39:460
81690,0rcu_preempt19-21ksoftirqd/121:00:061
81690,0rcu_preempt19-21ksoftirqd/120:29:461
81690,0rcu_preempt19-21ksoftirqd/119:22:321
81680,0rcu_preempt9950irq/345-484840019:39:540
81680,0rcu_preempt19-21ksoftirqd/122:46:431
81680,0rcu_preempt19-21ksoftirqd/119:45:131
81670,0rcu_preempt1168-21kworker/1:022:37:101
3169699663,0cyclictest3870-21ssh21:39:560
31696996511,0cyclictest2434550ssh22:00:110
81640,0rcu_preempt3-21ksoftirqd/022:17:560
81640,0rcu_preempt19-21ksoftirqd/120:44:561
81640,0rcu_preempt19-21ksoftirqd/120:44:561
3169699642,0cyclictest12134-21apt-get23:59:580
81630,0rcu_preempt54-21kswapd020:35:331
81620,0rcu_preempt19-21ksoftirqd/120:55:021
3169699621,0cyclictest22763-1kworker/0:3H22:36:110
3169699612,0cyclictest30461-21ssh22:39:560
3169699612,0cyclictest10794-21apt-get22:19:560
3169699612,0cyclictest0-21swapper/000:14:030
31696996114,0cyclictest0-21swapper/023:15:080
81600,0rcu_preempt19-21ksoftirqd/120:50:071
31696996015,0cyclictest14091-21ssh21:50:030
81590,0rcu_preempt19-21ksoftirqd/119:10:071
3169699597,0cyclictest13960-21ssh00:34:450
3169699592,0cyclictest2584-21ping19:19:580
3169699592,0cyclictest23104-21idleruntime23:05:030
3169699592,0cyclictest0-21swapper/021:23:290
3169699591,0cyclictest0-21swapper/021:28:410
81580,0rcu_preempt19-21ksoftirqd/119:09:451
3169699582,0cyclictest0-21swapper/022:50:050
31696995814,0cyclictest0-21swapper/023:34:360
31696995812,0cyclictest13051-21df22:54:570
31696995812,0cyclictest13051-21df22:54:570
3169699574,0cyclictest0-21swapper/021:31:150
3169699572,0cyclictest30636-21ssh22:06:300
3169699572,0cyclictest17788-21apt22:59:550
3169699571,0cyclictest20588-21ssh22:29:560
3169699571,0cyclictest1570-21seq22:10:040
3169699571,0cyclictest0-21swapper/023:11:030
31696995710,0cyclictest0-21swapper/023:58:380
31696995710,0cyclictest0-21swapper/020:59:550
3169699569,0cyclictest0-21swapper/023:19:570
3169699568,0cyclictest54-21kswapd023:49:300
3169699562,0cyclictest0-21swapper/021:49:060
3169699562,0cyclictest0-21swapper/021:39:290
3169699562,0cyclictest0-21swapper/000:35:050
31696995614,0cyclictest2172-21ssh23:49:480
31696995612,0cyclictest0-21swapper/000:28:210
3169699558,0cyclictest10978-21cat23:25:120
3169699554,0cyclictest2584-21ping19:44:570
3169699553,0cyclictest10050irq/346-484840021:10:240
31696995513,0cyclictest0-21swapper/022:24:590
31696995511,0cyclictest0-21swapper/020:21:120
3169699551,0cyclictest21862-21ssh21:57:550
3169699551,0cyclictest0-21swapper/023:39:410
3169699542,0cyclictest2584-21ping19:24:580
3169699542,0cyclictest1470-21runrttasks19:18:100
31696995312,0cyclictest0-21swapper/020:39:550
3169699531,0cyclictest9218-21latency_hist19:39:460
3169699531,0cyclictest1470-21runrttasks20:16:590
31696995310,0cyclictest0-21swapper/020:35:120
3169699523,0cyclictest0-21swapper/021:17:310
3169699522,0cyclictest0-21swapper/022:45:510
3169699521,0cyclictest2584-21ping19:30:130
3169699515,0cyclictest15883-21apt-get19:59:540
31696995114,0cyclictest19746-21meminfo20:10:090
31696995112,0cyclictest0-21swapper/020:45:060
31696995112,0cyclictest0-21swapper/020:45:060
31696995110,0cyclictest0-21swapper/019:50:380
3169699502,0cyclictest0-21swapper/019:59:450
81490,0rcu_preempt3-21ksoftirqd/020:05:150
3169699491,0cyclictest0-21swapper/020:58:490
81480,0rcu_preempt3-21ksoftirqd/019:05:070
3169699472,0cyclictest0-21swapper/019:14:450
3169699462,0cyclictest0-21swapper/020:25:030
3169699442,0cyclictest0-21swapper/020:29:450
81390,0rcu_preempt3-21ksoftirqd/021:06:140
10050380,0irq/346-48484000-21swapper/020:50:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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