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2026-01-25 - 03:58
[ 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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  Phytec
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 Sun Jan 25, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
540818995649,4cyclictest621124-21sendmail23:00:002
540818995140,7cyclictest0-21swapper/222:00:012
540816994836,9cyclictest231ktimers/123:30:111
540811994739,4cyclictest579408-21munin-plugin-st21:00:000
540818994639,4cyclictest641635-21latency_hist23:59:592
540816994615,10cyclictest560821-21sed20:05:191
540816994514,12cyclictest541468-21sed19:10:201
540811994533,9cyclictest121ktimers/023:40:120
540816994435,5cyclictest596954-21latency_hist21:50:001
540811994437,4cyclictest610854-21munin-plugin-st22:29:590
54081199422,9cyclictest11-21ksoftirqd/023:45:100
540822994134,4cyclictest561883-21munin-plugin-st20:10:013
540816994114,11cyclictest614507-21/usr/sbin/munin22:40:241
54081199419,5cyclictest131rcu_preempt19:35:120
540822994032,5cyclictest608522-21runrttasks22:20:243
540818994033,3cyclictest0-21swapper/220:40:012
540818994032,6cyclictest612483-21kworker/u8:0+events_unbound22:44:432
540818994032,4cyclictest0-21swapper/222:50:012
540816994030,6cyclictest593306-21apt-get21:40:011
540816994028,9cyclictest438-21cron20:50:001
540816994015,9cyclictest585291-21cat21:15:171
540816994013,11cyclictest599662-21ntp_states21:55:201
540816994012,11cyclictest627356-21cat23:15:231
540811994033,4cyclictest0-21swapper/020:45:000
540818993927,9cyclictest651880-21grep00:25:272
54081699398,15cyclictest558486-21latency_hist20:00:011
540816993932,4cyclictest577491-21idleruntime-cro20:55:001
540816993928,6cyclictest0-21swapper/120:25:261
540816993925,10cyclictest608344-21/usr/sbin/munin22:20:231
540816993925,10cyclictest603369-21/usr/sbin/munin22:05:241
540816993923,11cyclictest640282-21/usr/sbin/munin23:55:151
540816993911,12cyclictest544011-21cat19:15:231
540818993824,4cyclictest0-21swapper/223:35:152
540818993818,6cyclictest560009-21kworker/u8:1+events_unbound20:07:532
540816993830,4cyclictest0-21swapper/120:35:251
540811993832,4cyclictest554687-21kworker/u8:2+events_unbound19:56:420
540822993729,5cyclictest0-21swapper/323:00:003
540818993725,8cyclictest164-21systemd-journal00:08:072
540818993718,3cyclictest131rcu_preempt22:15:272
540816993727,6cyclictest630919-21grep23:25:261
540816993726,7cyclictest0-21swapper/121:30:231
540816993724,7cyclictest600902-21/usr/sbin/munin22:00:131
540816993723,11cyclictest633617-21/usr/sbin/munin23:35:161
540816993720,12cyclictest645791-21/usr/sbin/munin00:10:161
540816993717,15cyclictest231ktimers/120:10:131
540816993716,15cyclictest560356-21latency_hist20:05:011
54081199377,4cyclictest131rcu_preempt00:35:130
540822993627,6cyclictest0-21swapper/320:05:013
540822993626,6cyclictest547780-21grep19:25:263
540822993626,6cyclictest547780-21grep19:25:253
540822993626,5cyclictest0-21swapper/320:10:163
540818993629,4cyclictest565311-21sendmail20:20:002
540818993629,3cyclictest0-21swapper/219:40:012
540816993625,8cyclictest549721-21cron19:33:001
540816993625,8cyclictest549721-21cron19:33:001
540816993624,9cyclictest647210-21apt-get00:15:101
540816993623,10cyclictest655480-21cron00:37:001
540816993621,10cyclictest582347-21tail21:05:251
540816993620,10cyclictest0-21swapper/119:35:111
540811993630,4cyclictest582837-21munin-plugin-st21:10:000
540822993526,6cyclictest0-21swapper/322:05:003
54082299350,19cyclictest0-21swapper/323:15:113
540818993528,5cyclictest600340-21kworker/u8:2+events_unbound22:04:412
540818993524,7cyclictest0-21swapper/220:30:262
540816993525,7cyclictest629576-21cron23:24:011
540816993525,7cyclictest588421-21/usr/sbin/munin21:25:121
540816993525,7cyclictest573134-21/usr/sbin/munin20:40:241
540816993524,7cyclictest597626-21meminfo21:50:181
540816993524,7cyclictest0-21swapper/122:25:251
540816993523,8cyclictest612895-21df_inode22:35:141
540816993522,10cyclictest554189-21/usr/sbin/munin19:45:221
540816993522,10cyclictest552575-21/usr/sbin/munin19:40:241
540816993521,11cyclictest586803-21cstates21:20:111
540816993521,11cyclictest583123-21/usr/sbin/munin21:10:141
540811993526,5cyclictest0-21swapper/023:30:250
540822993426,5cyclictest0-21swapper/319:35:013
540822993426,5cyclictest0-21swapper/319:35:003
540822993425,6cyclictest0-21swapper/300:00:003
540822993422,8cyclictest0-21swapper/323:00:263
540818993427,5cyclictest646643-21kworker/u8:1+events_unbound00:18:092
540818993425,6cyclictest311ktimers/223:10:132
540818993422,9cyclictest311ktimers/200:20:132
540818993417,6cyclictest573709-21kworker/u8:0+events_unbound21:13:392
540818993413,4cyclictest573709-21kworker/u8:0+events_unbound21:20:142
540816993427,4cyclictest636742-21apt-get23:45:101
540816993424,7cyclictest642771-21/usr/sbin/munin00:00:221
540816993424,7cyclictest636247-21cron23:42:001
540816993423,8cyclictest617598-21cron22:49:001
540816993421,8cyclictest565989-21seq20:20:191
540816993419,12cyclictest569481-21/usr/sbin/munin20:30:201
540811993426,4cyclictest0-21swapper/020:30:000
540822993325,4cyclictest0-21swapper/300:20:003
540822993324,7cyclictest634682-21kworker/u8:1+events_unbound23:39:413
540822993324,4cyclictest0-21swapper/322:17:473
540822993322,4cyclictest6166912cat22:45:193
54081899338,14cyclictest643168-21grep00:00:252
540818993323,6cyclictest0-21swapper/219:45:242
540816993324,6cyclictest605362-21cron22:11:001
540816993324,6cyclictest605362-21cron22:11:001
540816993323,7cyclictest644933-21cron00:06:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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