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2026-02-22 - 21:55
[ 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 Sun Feb 22, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250443899723,31cyclictest0-21swapper/010:15:010
2504441996153,5cyclictest0-21swapper/207:50:012
2504441996040,16cyclictest311ktimers/207:10:022
250444199538,19cyclictest1660-21snmpd09:20:022
2504439995313,15cyclictest2540809-21/usr/sbin/munin10:40:191
250443899532,5cyclictest0-21swapper/008:55:260
250444199525,20cyclictest14-21rcu_preempt09:05:002
2504441995138,8cyclictest0-21swapper/210:35:012
250443899503,17cyclictest2521832-21rm08:50:010
250443899502,4cyclictest2518827-21phc2sys08:30:250
2504439994831,12cyclictest2553469-21apt-get11:55:151
2504439994831,12cyclictest2553469-21apt-get11:55:151
2504439994822,13cyclictest0-21swapper/107:50:151
2504438994840,4cyclictest20850irq/208-8000000.ethernet10:25:290
2504438994840,4cyclictest167350irq/118-8000000.ethernet-tx010:35:290
2504438994838,6cyclictest2507951-21grep07:25:310
2504438994836,8cyclictest2542185-21grep10:45:270
250443899482,41cyclictest0-21swapper/009:35:290
250443899482,41cyclictest0-21swapper/009:35:290
2504438994821,13cyclictest12-21ksoftirqd/008:25:020
2504441994738,4cyclictest2559209-21apt-config12:30:012
2504441994734,8cyclictest0-21swapper/211:20:302
2504439994735,8cyclictest2515701-21grep08:10:271
2504439994735,10cyclictest0-21swapper/111:20:001
2504438994739,4cyclictest167350irq/118-8000000.ethernet-tx012:30:250
2504438994733,10cyclictest2528462-21grep09:25:280
2504441994635,7cyclictest0-21swapper/208:30:282
2504441994631,10cyclictest0-21swapper/207:45:012
2504441994631,10cyclictest0-21swapper/207:45:002
2504439994639,4cyclictest24-21ksoftirqd/109:10:181
2504439994629,11cyclictest2519332-21apt-get08:35:161
2504439994624,11cyclictest0-21swapper/109:15:131
2504439994620,15cyclictest0-21swapper/108:45:161
2504438994639,4cyclictest20850irq/208-8000000.ethernet10:30:300
2504438994638,5cyclictest2527674-21munin-plugin-st09:25:000
2504438994631,10cyclictest15-21rcuc/008:35:140
250444199452,8cyclictest0-21swapper/208:15:002
2504439994535,5cyclictest0-21swapper/110:05:181
2504439994529,9cyclictest0-21swapper/111:00:001
2504439994528,11cyclictest2545028-21apt-get11:05:151
2504439994526,12cyclictest2521957-21apt-get08:50:171
2504439994525,11cyclictest0-21swapper/107:55:291
2504439994522,12cyclictest0-21swapper/110:10:261
250443999451,6cyclictest0-21swapper/109:10:001
2504438994539,3cyclictest167350irq/118-8000000.ethernet-tx010:55:240
2504438994536,3cyclictest0-21swapper/011:55:010
2504438994535,5cyclictest2522326-21wc08:50:280
250444199448,27cyclictest0-21swapper/209:45:272
250444199441,9cyclictest0-21swapper/207:30:002
2504439994428,11cyclictest0-21swapper/111:30:211
2504439994423,10cyclictest2536475-21/usr/sbin/munin10:15:181
250443899444,35cyclictest2550673-21grep11:35:270
2504438994438,3cyclictest167350irq/118-8000000.ethernet-tx010:50:160
2504438994435,6cyclictest2555727-21grep12:05:280
2504438994430,10cyclictest0-21swapper/007:15:210
250443899441,41cyclictest0-21swapper/012:20:130
2504441994333,5cyclictest14-21rcu_preempt10:05:222
2504441994331,7cyclictest0-21swapper/210:10:292
2504439994332,6cyclictest2537825-21grep10:20:301
2504439994332,6cyclictest2537825-21grep10:20:301
2504439994332,6cyclictest2505241-21munin-plugin-st07:14:591
250443899431,4cyclictest0-21swapper/007:25:000
250443899431,37cyclictest0-21swapper/009:15:020
250444199421,34cyclictest0-21swapper/211:25:302
2504439994227,8cyclictest0-21swapper/108:30:281
2504439994226,9cyclictest2547571-21apt-get11:20:161
2504439994222,9cyclictest2556210-21/usr/sbin/munin12:10:221
2504439994220,13cyclictest2509423-21/usr/sbin/munin07:35:251
2504439994219,12cyclictest2544493-21/usr/sbin/munin11:00:261
2504439994218,13cyclictest0-21swapper/108:40:151
2504438994232,5cyclictest0-21swapper/007:30:220
2504438994232,5cyclictest0-21swapper/007:30:220
2504438994231,7cyclictest2520740-21grep08:40:280
2504441994131,4cyclictest0-21swapper/208:40:292
2504441994127,8cyclictest2525330-21/usr/sbin/munin09:10:262
250444199411,9cyclictest30-21rcuc/212:15:292
250444199411,4cyclictest0-21swapper/210:25:012
250444199411,4cyclictest0-21swapper/210:25:012
2504439994134,4cyclictest2543125-21cron10:55:011
2504439994128,9cyclictest2557707-21apt-get12:20:171
2504439994128,9cyclictest2517652-21apt-get08:25:151
2504439994127,10cyclictest2516810-21/usr/sbin/munin08:20:301
2504439994126,9cyclictest0-21swapper/108:55:281
2504439994126,10cyclictest2531338-21apt-get09:45:141
2504438994137,2cyclictest0-21swapper/007:45:270
250443899412,4cyclictest0-21swapper/009:20:000
2504438994124,15cyclictest0-21swapper/011:10:240
250443899412,37cyclictest0-21swapper/011:00:300
2504438994121,18cyclictest20650irq/252-8000000.ethernet12:35:150
250443899411,8cyclictest2514192-21latency_hist08:05:000
250443899411,38cyclictest0-21swapper/011:30:180
250443899411,37cyclictest0-21swapper/012:25:240
2504441994031,5cyclictest0-21swapper/211:35:282
2504441994031,5cyclictest0-21swapper/209:15:302
2504441994030,7cyclictest2512274-21grep07:50:292
2504441994030,5cyclictest0-21swapper/207:15:302
2504441994028,7cyclictest0-21swapper/210:45:292
2504441994026,10cyclictest2554114-21sendmail12:00:002
2504441994026,10cyclictest2554114-21sendmail12:00:002
2504441994015,15cyclictest2555167-21/usr/sbin/munin12:05:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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