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2026-02-25 - 09:38
[ 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 #b, 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot5s.osadl.org (updated Wed Feb 25, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3055209995143,5cyclictest3144025-21cron23:25:002
3055203995141,7cyclictest3086468-21grep20:35:250
3055214994938,8cyclictest3153796-21grep23:50:253
3055203994939,6cyclictest3121144-21grep22:15:240
3055214994836,9cyclictest3081836-21idleruntime-cro20:25:013
3055203994841,4cyclictest0-21swapper/023:15:120
305520399481,15cyclictest645-21runrttasks23:00:120
3055203994720,23cyclictest3157709-21sh00:04:590
305520399464,13cyclictest13550irq/42-30be0000.ethernet20:15:120
3055206994533,10cyclictest231ktimers/122:00:131
3055203994519,23cyclictest0-21swapper/000:15:000
3055214994232,7cyclictest391ktimers/319:50:123
3055206994233,6cyclictest1-21systemd23:17:211
305520399421,4cyclictest3114764-21idleruntime-cro22:00:010
3055203994212,4cyclictest3163242-21fschecks_count00:20:160
3055203994212,4cyclictest3163242-21fschecks_count00:20:160
3055203994212,3cyclictest0-21swapper/020:00:180
3055206994132,5cyclictest3119866-21cron22:15:011
3055206994131,5cyclictest0-21swapper/119:51:431
3055203994119,19cyclictest3092317-21cpu20:55:130
3055203994113,4cyclictest3088120-21timerwakeupswit20:40:240
305520399403,9cyclictest3083072-21tail20:25:250
305520399402,11cyclictest13550irq/42-30be0000.ethernet21:45:110
3055203994017,20cyclictest13550irq/42-30be0000.ethernet00:15:110
3055203994014,4cyclictest3115272-21if_eth022:00:180
305520399401,17cyclictest0-21swapper/019:33:560
305520399401,14cyclictest3125022-21basename22:30:010
3055214993930,5cyclictest3064723-21munin-plugin-st19:35:013
3055214993928,7cyclictest3135463-21sh23:00:003
3055214993928,7cyclictest3135463-21sh23:00:003
3055209993928,4cyclictest0-21swapper/222:30:002
3055206993932,4cyclictest3059372-21cron19:20:011
3055206993928,7cyclictest3114283-21grep21:55:251
305520399391,5cyclictest3144566-21taskset23:25:170
305520399387,8cyclictest3080780-21cat20:20:190
3055203993829,6cyclictest3133750-21cron22:55:000
3055203993815,2cyclictest0-21swapper/020:34:340
3055203993811,6cyclictest3104276-21munin-run21:30:000
305520399381,13cyclictest3169893-21sendmail00:40:010
3055203993810,5cyclictest0-21swapper/019:10:220
3055203993810,4cyclictest0-21swapper/021:35:230
305520399380,2cyclictest0-21swapper/000:25:140
305520399380,2cyclictest0-21swapper/000:25:140
3055206993726,6cyclictest0-21swapper/121:35:011
305520399371,33cyclictest0-21swapper/023:45:100
3055209993628,4cyclictest0-21swapper/221:30:002
3055209993626,7cyclictest3148714-21grep23:35:252
3055209993625,7cyclictest3153876-21grep23:50:242
3055209993625,7cyclictest3072845-21head19:55:252
3055209993624,8cyclictest3095503-21apt21:05:012
3055206993629,4cyclictest0-21swapper/120:30:001
3055206993628,5cyclictest0-21swapper/119:15:001
3055206993622,6cyclictest131rcu_preempt20:05:131
3055203993616,17cyclictest0-21swapper/022:05:220
3055203993614,4cyclictest0-21swapper/019:40:250
305520399361,18cyclictest0-21swapper/021:08:240
3055214993529,4cyclictest3162562-21kworker/u8:0+events_unbound00:17:343
3055209993525,6cyclictest0-21swapper/219:25:252
3055209993520,4cyclictest131rcu_preempt21:30:142
3055209993519,5cyclictest131rcu_preempt20:01:132
3055206993524,7cyclictest3077904-21grep20:10:261
3055206993524,7cyclictest0-21swapper/119:20:241
3055206993515,7cyclictest131rcu_preempt23:45:111
305520399351,5cyclictest3106144-21date21:35:020
3055203993514,5cyclictest121ktimers/019:50:250
305520399351,18cyclictest0-21swapper/020:48:560
305520399351,16cyclictest0-21swapper/021:13:290
3055214993427,4cyclictest3093804-21sendmail21:00:013
3055214993426,6cyclictest3109247-21kworker/u8:3+events_unbound22:02:083
3055214993426,4cyclictest0-21swapper/322:20:143
3055214993423,8cyclictest3158952-21grep00:05:243
3055209993427,3cyclictest0-21swapper/200:20:162
3055209993427,3cyclictest0-21swapper/200:20:152
3055209993424,6cyclictest0-21swapper/200:19:592
3055209993422,9cyclictest311ktimers/223:25:122
3055209993418,8cyclictest131rcu_preempt22:35:082
3055214993325,4cyclictest0-21swapper/320:35:253
305520999338,4cyclictest301rcuc/220:50:002
3055209993326,4cyclictest3058090-21fschecks_time19:15:162
3055209993326,4cyclictest3056981-21latency_hist19:15:012
3055209993325,4cyclictest0-21swapper/200:05:252
3055209993324,6cyclictest3066442-21tr19:40:012
3055203993327,4cyclictest0-21swapper/022:10:110
3055214993225,4cyclictest0-21swapper/319:20:143
3055214993224,4cyclictest0-21swapper/320:11:463
3055214993223,6cyclictest3104641-21fschecks_count21:30:173
3055209993223,4cyclictest0-21swapper/222:15:162
3055209993220,7cyclictest3110852-21unixbench_multi21:45:262
3055209993211,4cyclictest0-21swapper/222:20:122
305520699326,6cyclictest131rcu_preempt23:25:111
3055206993225,4cyclictest3084833-21unixbench_singl20:30:271
3055206993225,3cyclictest0-21swapper/121:40:231
3055206993224,5cyclictest3093785-21cron21:00:001
3055206993222,5cyclictest0-21swapper/100:30:001
3055206993222,5cyclictest0-21swapper/100:30:001
3055203993222,6cyclictest0-21swapper/019:55:260
3055203993216,2cyclictest0-21swapper/022:55:230
3055203993216,2cyclictest0-21swapper/022:55:230
305520399321,3cyclictest0-21swapper/020:08:220
3055214993123,4cyclictest0-21swapper/322:05:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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