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2026-02-24 - 11:45
[ 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 #e, slot #6

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 100 highest latencies:
System rackeslot6s.osadl.org (updated Tue Feb 24, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3835946998580,3cyclictest391ktimers/319:20:193
3835940997332,8cyclictest231ktimers/119:20:011
383594099699,42cyclictest3854843-21apt-get21:00:011
383593999631,54cyclictest0-21swapper/021:15:130
383593999601,57cyclictest0-21swapper/022:15:130
383593999601,57cyclictest0-21swapper/022:15:130
383594099592,32cyclictest22-21rcuc/119:15:021
3835940995640,5cyclictest231ktimers/122:45:011
383594299541,49cyclictest0-21swapper/221:00:022
3835942995337,13cyclictest311ktimers/223:10:132
383593999533,47cyclictest0-21swapper/023:10:260
3835940995236,11cyclictest231ktimers/122:00:111
383593999523,44cyclictest0-21swapper/019:20:010
3835939995222,28cyclictest0-21swapper/023:05:110
3835942995039,5cyclictest3875197-21sendmail23:00:012
3835942995039,5cyclictest3875197-21sendmail23:00:002
3835942995029,12cyclictest311ktimers/223:40:022
3835942995029,12cyclictest311ktimers/223:40:022
3835940995040,6cyclictest3888814-21grep00:15:301
3835942994932,13cyclictest311ktimers/222:45:122
3835942994911,14cyclictest3889899-21gpg-connect-age00:25:012
3835942994911,14cyclictest3889899-21gpg-connect-age00:25:012
383594099495,14cyclictest24-21ksoftirqd/120:00:021
3835939994941,4cyclictest167350irq/118-8000000.ethernet-tx022:39:590
3835940994820,17cyclictest231ktimers/123:05:131
3835940994811,13cyclictest3873716-21/usr/sbin/munin22:50:201
383593999488,37cyclictest0-21swapper/019:25:010
3835939994840,4cyclictest167350irq/118-8000000.ethernet-tx023:35:230
3835939994840,4cyclictest167350irq/118-8000000.ethernet-tx023:35:230
3835942994734,9cyclictest0-21swapper/200:30:002
3835939994739,5cyclictest3843826-21grep19:50:290
3835939994737,7cyclictest3876261-21latency_hist23:05:010
3835939994734,11cyclictest3851470-21sendmail20:40:000
3835939994729,15cyclictest167350irq/118-8000000.ethernet-tx000:30:120
383593999471,27cyclictest12-21ksoftirqd/019:15:020
3835942994631,9cyclictest0-21swapper/223:05:012
3835940994634,8cyclictest0-21swapper/121:20:001
3835940994613,27cyclictest0-21swapper/121:05:291
3835939994639,4cyclictest3854883-21apt-config21:00:010
3835939994618,25cyclictest0-21swapper/022:05:300
3835942994514,15cyclictest30-21rcuc/219:15:012
3835940994533,9cyclictest231ktimers/100:25:151
3835940994532,10cyclictest231ktimers/123:30:111
3835940994531,8cyclictest3839509-21grep19:25:291
383593999451,6cyclictest0-21swapper/020:10:010
383594299449,16cyclictest3884859-21/usr/sbin/munin23:55:202
3835942994414,17cyclictest3861908-21/usr/sbin/munin21:40:202
3835940994429,11cyclictest0-21swapper/121:50:201
3835940994415,15cyclictest231ktimers/122:10:131
3835939994437,4cyclictest167350irq/118-8000000.ethernet-tx023:30:160
383593999442,5cyclictest3889159-21df_inode00:20:180
383593999442,5cyclictest3889159-21df_inode00:20:180
3835940994333,5cyclictest3855721-21grep21:00:281
383593999436,4cyclictest0-21swapper/020:45:020
3835939994336,4cyclictest20850irq/208-8000000.ethernet00:25:260
3835939994334,6cyclictest3844214-21sh19:55:200
3835939994333,7cyclictest20850irq/208-8000000.ethernet00:20:000
3835939994329,11cyclictest0-21swapper/023:20:300
383593999431,2cyclictest0-21swapper/022:30:000
3835942994229,10cyclictest311ktimers/200:10:152
3835940994231,8cyclictest231ktimers/121:40:141
3835940994230,7cyclictest3852289-21grep20:40:291
3835940994230,6cyclictest3859083-21grep21:20:301
3835940994223,14cyclictest231ktimers/121:55:111
3835939994235,4cyclictest167350irq/118-8000000.ethernet-tx021:35:120
3835939994235,4cyclictest167350irq/118-8000000.ethernet-tx021:35:110
3835939994232,7cyclictest0-21swapper/022:55:290
3835939994232,7cyclictest0-21swapper/022:55:290
3835939994230,8cyclictest0-21swapper/000:05:290
383593999422,5cyclictest3865344-21df22:00:160
383593999422,37cyclictest900-21dropbear22:30:170
383593999422,37cyclictest3857387-21grep21:10:280
383593999421,6cyclictest3873813-21ssh22:50:200
383593999421,4cyclictest0-21swapper/023:50:140
3835942994131,6cyclictest0-21swapper/220:25:292
3835942994131,6cyclictest0-21swapper/220:25:292
3835942994127,10cyclictest0-21swapper/222:35:182
383594299411,9cyclictest0-21swapper/219:30:062
383594299411,6cyclictest0-21swapper/219:40:022
3835942994110,25cyclictest3880966-21ptp4l23:30:262
3835940994133,5cyclictest3837879-21sendmail19:20:001
3835940994129,8cyclictest0-21swapper/100:30:221
3835939994133,5cyclictest3863390-21munin-plugin-st21:49:590
3835939994130,8cyclictest0-21swapper/022:50:010
3835939994126,10cyclictest0-21swapper/021:30:270
3835939994124,15cyclictest0-21swapper/021:21:280
383593999411,3cyclictest3848313-21apt-get20:20:130
383593999411,38cyclictest0-21swapper/020:25:120
383593999411,38cyclictest0-21swapper/020:25:120
3835942994027,6cyclictest0-21swapper/223:40:282
3835942994011,27cyclictest311ktimers/200:35:202
3835940994030,5cyclictest0-21swapper/122:35:011
3835940994030,4cyclictest0-21swapper/119:35:261
3835940994029,5cyclictest0-21swapper/120:20:211
3835940994025,11cyclictest231ktimers/123:45:111
3835940994023,8cyclictest0-21swapper/120:35:311
3835939994031,5cyclictest0-21swapper/021:45:000
3835939994030,5cyclictest3864184-21grep21:50:280
3835939994027,7cyclictest0-21swapper/023:55:300
3835939994027,10cyclictest0-21swapper/021:00:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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