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2026-02-20 - 14:21
[ 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 792 highest latencies:
System rackeslot6s.osadl.org (updated Fri Feb 20, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28770799765,29cyclictest330422-21apt-get23:20:003
287701997669,4cyclictest0-21swapper/021:30:120
287704997134,23cyclictest296502-21cmp20:00:011
28770499571,20cyclictest0-21swapper/119:45:011
287705995442,8cyclictest316926-21sendmail22:00:002
287704995344,7cyclictest0-21swapper/123:10:181
28770499531,9cyclictest0-21swapper/119:35:001
287705995235,13cyclictest313548-21sendmail21:40:002
28770199516,18cyclictest12-21ksoftirqd/022:45:000
287704995013,19cyclictest24-21ksoftirqd/123:20:001
287701995042,4cyclictest167350irq/118-8000000.ethernet-tx022:05:010
287701995020,20cyclictest0-21swapper/021:05:000
287704994933,13cyclictest231ktimers/123:35:011
287704994833,9cyclictest0-21swapper/123:45:301
28770199482,7cyclictest309733-21/usr/sbin/munin21:15:250
28770199481,6cyclictest291706-21grep19:30:190
287701994740,4cyclictest167350irq/118-8000000.ethernet-tx023:15:120
287701994740,4cyclictest167350irq/118-8000000.ethernet-tx023:00:210
287701994739,5cyclictest342310-21grep00:25:310
287701994719,15cyclictest15-21rcuc/020:45:010
287705994637,5cyclictest332207-21munin-run23:30:012
287704994629,10cyclictest0-21swapper/123:55:271
287701994640,3cyclictest167350irq/118-8000000.ethernet-tx022:10:290
287701994639,4cyclictest20850irq/208-8000000.ethernet23:45:220
287701994639,4cyclictest167350irq/118-8000000.ethernet-tx021:25:220
287701994638,4cyclictest167350irq/118-8000000.ethernet-tx023:55:230
287701994638,4cyclictest167350irq/118-8000000.ethernet-tx022:30:180
287701994638,3cyclictest0-21swapper/021:50:010
28770199462,7cyclictest14-21rcu_preempt19:25:020
287705994537,4cyclictest0-21swapper/200:05:302
287704994534,7cyclictest0-21swapper/120:30:311
287701994538,5cyclictest305858-21munin-run20:55:010
28770199451,42cyclictest200-21pr/ttyS222:55:000
28770199451,3cyclictest295891-21ssh19:55:200
287705994433,8cyclictest290575-21latency_hist19:25:012
287704994436,5cyclictest24-21ksoftirqd/120:05:181
287701994438,3cyclictest167350irq/118-8000000.ethernet-tx022:20:120
287701994435,5cyclictest321980-21kworker/u8:3+events_power_efficient22:35:200
28770199441,4cyclictest316539-21irqstats21:55:230
28770199441,4cyclictest301492-21awk20:25:270
28770199441,4cyclictest0-21swapper/021:50:190
28770199441,4cyclictest0-21swapper/021:50:190
287704994334,6cyclictest231ktimers/120:10:221
287704994329,9cyclictest0-21swapper/100:10:281
287701994324,17cyclictest0-21swapper/021:25:000
28770199431,40cyclictest0-21swapper/000:30:180
28770199431,39cyclictest303119-21gzip20:35:280
287705994233,6cyclictest302380-21grep20:30:312
287705994230,7cyclictest0-21swapper/222:50:272
287705994230,5cyclictest0-21swapper/200:35:022
287705994229,9cyclictest0-21swapper/200:20:002
287705994227,9cyclictest0-21swapper/223:20:012
287705994227,10cyclictest0-21swapper/222:40:202
28770499428,17cyclictest22-21rcuc/119:10:011
287704994228,11cyclictest231ktimers/119:50:121
287704994228,11cyclictest231ktimers/119:50:111
287704994226,10cyclictest0-21swapper/120:40:221
287701994234,5cyclictest20850irq/208-8000000.ethernet20:05:210
28770199423,31cyclictest0-21swapper/019:50:010
287701994224,15cyclictest297008-21open_files20:00:260
28770199421,38cyclictest15-21rcuc/000:10:250
287705994135,4cyclictest292174-21munin-plugin-st19:35:002
287705994132,5cyclictest336430-21munin-plugin-st23:55:012
287705994132,5cyclictest336430-21munin-plugin-st23:55:012
287705994132,5cyclictest294709-21munin-plugin-st19:50:012
287705994126,8cyclictest0-21swapper/219:59:592
287705994125,12cyclictest0-21swapper/221:30:012
287704994130,5cyclictest0-21swapper/121:05:281
287704994126,11cyclictest231ktimers/100:05:121
287704994126,10cyclictest0-21swapper/122:50:201
287704994122,11cyclictest0-21swapper/100:35:201
287704994122,11cyclictest0-21swapper/100:35:201
287701994134,4cyclictest0-21swapper/023:40:110
287701994133,5cyclictest327046-21cat23:00:010
28770199411,4cyclictest308018-21irqstats21:05:230
28770199411,38cyclictest341218-21phc2sys-jitter00:20:270
28770199411,38cyclictest0-21swapper/023:10:150
28770199411,37cyclictest0-21swapper/022:25:100
287705994034,4cyclictest325369-21munin-plugin-st22:50:002
287705994029,7cyclictest0-21swapper/220:05:012
287705994027,8cyclictest0-21swapper/221:05:292
287704994017,8cyclictest0-21swapper/100:25:121
287701994034,2cyclictest0-21swapper/023:20:180
287701994022,14cyclictest131ktimers/019:25:160
287705993925,8cyclictest0-21swapper/220:45:202
287704993930,4cyclictest0-21swapper/122:00:201
287704993928,6cyclictest0-21swapper/121:30:281
287704993925,10cyclictest0-21swapper/122:05:291
28770499391,2cyclictest0-21swapper/123:10:001
287704993912,4cyclictest2-21kthreadd22:11:201
287701993932,4cyclictest295219-21/usr/sbin/munin19:50:240
287701993932,4cyclictest295219-21/usr/sbin/munin19:50:240
28770199391,36cyclictest0-21swapper/019:45:010
28770199391,36cyclictest0-21swapper/019:15:170
28770199391,36cyclictest0-21swapper/000:35:240
28770199391,36cyclictest0-21swapper/000:35:240
28770199391,36cyclictest0-21swapper/000:15:300
287705993823,11cyclictest320289-21cron22:20:002
287705993820,12cyclictest311ktimers/220:55:132
287705993820,12cyclictest311ktimers/220:55:132
287704993824,8cyclictest0-21swapper/119:20:281
287704993823,10cyclictest0-21swapper/100:15:291
28770499381,6cyclictest0-21swapper/121:15:011
28770499381,5cyclictest0-21swapper/120:25:001
287701993832,4cyclictest0-21swapper/022:05:230
287701993828,5cyclictest0-21swapper/022:15:290
28770199381,35cyclictest0-21swapper/023:05:260
28770199381,35cyclictest0-21swapper/020:20:150
28770199381,35cyclictest0-21swapper/000:05:290
28770199381,2cyclictest0-21swapper/020:15:020
287705993727,6cyclictest322778-21grep22:30:292
287705993726,8cyclictest0-21swapper/222:10:012
287705993724,9cyclictest0-21swapper/200:35:282
287705993724,9cyclictest0-21swapper/200:35:282
287705993723,10cyclictest0-21swapper/220:39:592
28770499378,24cyclictest0-21swapper/123:00:301
28770499374,23cyclictest24-21ksoftirqd/122:40:011
287704993729,5cyclictest231ktimers/121:00:191
287704993729,4cyclictest0-21swapper/122:20:291
287704993728,5cyclictest0-21swapper/119:35:281
287704993727,7cyclictest231ktimers/123:40:221
287704993727,6cyclictest231ktimers/123:50:271
287704993727,6cyclictest231ktimers/123:50:271
287704993722,5cyclictest0-21swapper/120:35:211
28770499371,4cyclictest0-21swapper/122:50:021
287701993731,4cyclictest20850irq/208-8000000.ethernet23:30:190
287701993730,4cyclictest0-21swapper/020:45:250
28770199371,4cyclictest0-21swapper/021:10:240
28770199371,34cyclictest0-21swapper/023:25:130
287705993627,5cyclictest0-21swapper/219:25:292
287705993625,7cyclictest0-21swapper/220:10:002
287705993623,9cyclictest0-21swapper/223:30:282
28770599361,29cyclictest0-21swapper/220:15:142
28770599361,29cyclictest0-21swapper/220:15:142
28770499363,26cyclictest0-21swapper/121:21:191
287704993626,6cyclictest231ktimers/120:55:011
287704993626,5cyclictest0-21swapper/119:25:291
287704993625,5cyclictest0-21swapper/121:40:271
287704993623,7cyclictest231ktimers/121:55:201
28770499361,4cyclictest0-21swapper/121:55:011
28770499361,4cyclictest0-21swapper/121:55:011
287704993610,19cyclictest24-21ksoftirqd/123:35:191
287701993630,4cyclictest0-21swapper/021:35:220
28770199361,4cyclictest0-21swapper/020:15:200
28770199361,4cyclictest0-21swapper/020:15:200
28770199361,33cyclictest0-21swapper/019:39:030
28770199361,33cyclictest0-21swapper/019:10:130
28770199361,2cyclictest337487-21apt-get00:00:120
28770199360,3cyclictest1660-21snmpd20:30:140
287705993527,5cyclictest304173-21cron20:45:002
287705993526,6cyclictest334645-21unixbench_multi23:40:272
287705993524,7cyclictest295441-21grep19:50:282
287705993524,7cyclictest295441-21grep19:50:272
287705993522,7cyclictest0-21swapper/219:40:282
287705993522,10cyclictest0-21swapper/221:19:592
28770599350,27cyclictest311ktimers/222:10:272
287704993527,4cyclictest331263-21unixbench_multi23:20:281
287704993522,8cyclictest0-21swapper/121:35:291
28770499351,2cyclictest0-21swapper/120:20:011
28770499351,2cyclictest0-21swapper/120:20:011
28770499351,26cyclictest318594-21kworker/u8:0+rpciod22:26:171
287701993528,4cyclictest20850irq/208-8000000.ethernet21:40:180
287701993525,5cyclictest0-21swapper/023:35:270
28770199351,4cyclictest0-21swapper/022:46:500
28770199350,2cyclictest335845-21ssh23:50:180
28770199350,2cyclictest335845-21ssh23:50:170
287705993425,4cyclictest0-21swapper/222:30:012
287705993425,4cyclictest0-21swapper/221:30:262
287705993424,5cyclictest0-21swapper/222:20:292
287705993423,5cyclictest0-21swapper/200:25:212
287704993426,6cyclictest231ktimers/122:55:211
287704993424,7cyclictest231ktimers/121:25:111
287704993423,8cyclictest0-21swapper/119:45:251
287704993421,9cyclictest0-21swapper/120:25:231
287704993420,9cyclictest0-21swapper/120:00:271
287705993323,6cyclictest341455-21grep00:20:292
287705993323,6cyclictest0-21swapper/223:45:292
287705993322,7cyclictest0-21swapper/200:00:292
287705993321,7cyclictest0-21swapper/220:10:282
287705993320,9cyclictest0-21swapper/219:15:282
287705993320,8cyclictest0-21swapper/222:40:012
287705993313,14cyclictest311ktimers/221:00:142
28770599331,2cyclictest0-21swapper/223:05:262
287704993325,6cyclictest231ktimers/121:15:301
287704993325,5cyclictest231ktimers/100:20:241
287704993324,6cyclictest1660-21snmpd00:00:161
287704993323,5cyclictest231ktimers/122:33:151
28770499331,4cyclictest0-21swapper/119:15:021
28770199332,27cyclictest306384-21phc2sys20:55:280
28770199332,27cyclictest306384-21phc2sys20:55:270
28770199331,21cyclictest4115513-1kworker/0:0H+kblockd19:10:010
28770599323,22cyclictest0-21swapper/223:20:182
287705993223,5cyclictest0-21swapper/221:45:292
287705993219,9cyclictest0-21swapper/220:25:272
287704993223,4cyclictest0-21swapper/121:45:181
287704993222,6cyclictest0-21swapper/122:40:281
28770499321,9cyclictest0-21swapper/122:20:001
287704993219,7cyclictest231ktimers/123:30:011
28770599314,10cyclictest287865-21/usr/sbin/munin19:10:182
287705993121,4cyclictest0-21swapper/221:40:112
287705993121,4cyclictest0-21swapper/220:50:272
28770599311,28cyclictest0-21swapper/222:55:162
287704993124,5cyclictest231ktimers/120:55:251
287704993124,5cyclictest231ktimers/120:55:251
287704993121,7cyclictest231ktimers/100:30:121
287704993117,7cyclictest22-21rcuc/119:15:051
287705993022,5cyclictest292900-21unixbench_multi19:35:282
287705993021,5cyclictest0-21swapper/221:55:012
287705993021,5cyclictest0-21swapper/221:55:012
28770599301,3cyclictest310597-21memory21:20:242
287705992921,6cyclictest333867-21sshd23:37:152
287705992919,6cyclictest205-21ptp022:00:302
28770599291,3cyclictest0-21swapper/223:00:192
28770599291,26cyclictest0-21swapper/223:10:172
287704992920,6cyclictest231ktimers/120:45:111
287705992816,5cyclictest300163-21munin-node20:20:132
287705992720,4cyclictest0-21swapper/200:10:222
287705992719,5cyclictest0-21swapper/223:55:162
28770599235,12cyclictest311ktimers/221:10:142
28770599191,3cyclictest0-21swapper/219:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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