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2026-02-22 - 17:12
[ 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 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
2504439994026,10cyclictest2514272-21apt-get08:05:161
2504439994026,10cyclictest2514272-21apt-get08:05:161
2504439994025,8cyclictest2558545-21/usr/sbin/munin12:25:291
2504439994024,8cyclictest0-21swapper/109:55:261
2504439994021,12cyclictest2534166-21/usr/sbin/munin10:00:231
2504439994020,13cyclictest2505925-21cut07:15:221
250443999401,2cyclictest0-21swapper/111:15:011
2504438994033,4cyclictest20650irq/252-8000000.ethernet09:05:230
2504438994027,9cyclictest0-21swapper/010:00:270
2504438994025,9cyclictest0-21swapper/008:25:200
250443899402,4cyclictest0-21swapper/009:55:190
250443899402,36cyclictest0-21swapper/010:25:010
250443899402,36cyclictest0-21swapper/010:25:010
250443899401,37cyclictest0-21swapper/009:50:280
250443899401,37cyclictest0-21swapper/007:50:160
250443899401,37cyclictest0-21swapper/007:35:210
2504441993932,4cyclictest167550irq/134-8000000.ethernet-tx210:25:162
2504441993920,15cyclictest311ktimers/207:30:132
2504441993920,15cyclictest311ktimers/207:30:132
2504439993932,3cyclictest2509965-21apt-get07:40:111
2504439993932,3cyclictest2509965-21apt-get07:40:111
2504439993930,5cyclictest0-21swapper/111:40:301
2504439993929,5cyclictest2539953-21apt-get10:35:151
2504439993927,9cyclictest2524295-21munin-plugin-st09:04:591
2504439993927,8cyclictest2529193-21/usr/sbin/munin09:30:281
2504439993924,7cyclictest0-21swapper/111:50:301
2504439993922,11cyclictest0-21swapper/107:30:161
2504439993922,11cyclictest0-21swapper/107:30:161
2504439993921,10cyclictest2557403-21grep12:15:291
2504439993919,13cyclictest2511214-21/usr/sbin/munin07:45:281
2504439993916,11cyclictest0-21swapper/111:25:141
2504438993933,3cyclictest0-21swapper/012:10:240
2504438993924,13cyclictest0-21swapper/008:10:020
2504438993924,13cyclictest0-21swapper/008:10:020
250443899392,34cyclictest2504800-21sh07:10:210
250443899392,2cyclictest2545326-21meminfo11:05:240
250443899391,4cyclictest2552046-21awk11:45:240
2504441993823,10cyclictest0-21swapper/208:00:222
250444199381,29cyclictest0-21swapper/209:50:202
2504439993821,8cyclictest2504433-21cyclictest12:35:131
2504439993817,12cyclictest0-21swapper/109:50:121
2504439993813,18cyclictest2538689-21grep10:25:281
2504438993831,4cyclictest0-21swapper/012:00:130
250443899381,3cyclictest2524283-21sshd09:04:180
250443899381,3cyclictest2510015-21awk07:40:160
250443899381,3cyclictest2510015-21awk07:40:160
250443899381,35cyclictest0-21swapper/011:15:140
250443899381,35cyclictest0-21swapper/010:05:160
250443899381,2cyclictest200-21pr/ttyS211:45:000
2504441993729,4cyclictest2560110-21cron12:34:592
2504441993727,5cyclictest0-21swapper/210:50:302
2504441993725,8cyclictest2530089-21grep09:35:292
2504441993725,8cyclictest2530089-21grep09:35:292
250444199371,6cyclictest0-21swapper/211:35:022
250444199371,30cyclictest0-21swapper/208:25:282
2504439993730,3cyclictest2559478-21apt-get12:30:131
2504439993726,8cyclictest2530707-21/usr/sbin/munin09:40:241
2504439993724,7cyclictest2516083-21/usr/sbin/munin08:15:191
2504439993724,6cyclictest2506826-21/usr/sbin/munin07:20:241
2504438993731,4cyclictest0-21swapper/012:15:120
250443899371,34cyclictest0-21swapper/010:44:020
250443899371,34cyclictest0-21swapper/009:40:270
250443899371,34cyclictest0-21swapper/007:55:160
250443899370,35cyclictest200-21pr/ttyS209:50:000
2504441993627,5cyclictest2551519-21grep11:40:302
2504441993624,7cyclictest2533557-21grep09:55:292
250444199362,2cyclictest0-21swapper/211:55:002
2504439993629,3cyclictest2551789-21apt-get11:45:161
2504439993628,5cyclictest2530138-21unixbench_singl09:35:301
2504439993628,5cyclictest2530138-21unixbench_singl09:35:301
2504439993626,7cyclictest2539121-21ssh10:30:201
2504439993619,9cyclictest0-21swapper/111:35:201
2504439993619,11cyclictest2554544-21/usr/sbin/munin12:00:201
2504439993617,12cyclictest2513854-21/usr/sbin/munin08:00:281
250443999361,29cyclictest0-21swapper/109:20:291
2504438993630,4cyclictest20850irq/208-8000000.ethernet11:55:250
2504438993630,4cyclictest20850irq/208-8000000.ethernet11:55:250
2504438993626,6cyclictest0-21swapper/008:10:250
2504438993625,8cyclictest0-21swapper/008:15:290
250443899361,33cyclictest0-21swapper/009:30:160
250443899361,2cyclictest2536394-21apt-get10:15:120
2504441993528,4cyclictest167550irq/134-8000000.ethernet-tx207:55:142
2504441993527,4cyclictest167550irq/134-8000000.ethernet-tx212:35:222
2504441993526,4cyclictest0-21swapper/207:20:282
2504441993525,5cyclictest0-21swapper/209:25:202
2504441993524,6cyclictest0-21swapper/210:35:202
2504441993518,12cyclictest311ktimers/208:05:122
2504441993518,12cyclictest311ktimers/208:05:122
250444199351,5cyclictest30-21rcuc/210:15:222
2504441993510,8cyclictest2545865-21/usr/sbin/munin11:10:192
2504439993528,3cyclictest2541653-21apt-get10:45:141
250443999351,29cyclictest0-21swapper/107:25:271
2504438993529,4cyclictest0-21swapper/011:20:150
250443899352,4cyclictest2548567-21tune2fs11:25:230
250444199342,4cyclictest2544720-21unixbench_multi11:00:282
2504441993424,5cyclictest0-21swapper/209:05:292
250444199341,27cyclictest0-21swapper/209:40:272
250444199341,27cyclictest0-21swapper/207:35:162
2504439993424,5cyclictest2555241-21diskstats12:05:171
250444199332,28cyclictest2547173-21tr11:15:282
250444199332,28cyclictest0-21swapper/208:15:282
250444199330,27cyclictest0-21swapper/208:45:242
250444199326,13cyclictest2528709-21/usr/sbin/munin09:30:192
2504441993222,5cyclictest0-21swapper/210:05:012
2504439993225,3cyclictest2527947-21diskstats09:25:191
250444199318,15cyclictest2545025-21/usr/sbin/munin11:05:172
2504441993125,4cyclictest167550irq/134-8000000.ethernet-tx209:00:002
2504441993123,4cyclictest0-21swapper/212:00:252
250444199308,11cyclictest2521954-21/usr/sbin/munin08:50:192
2504441993021,4cyclictest0-21swapper/212:10:202
2504441993020,5cyclictest0-21swapper/210:40:202
2504441993020,5cyclictest0-21swapper/208:20:212
2504441993018,7cyclictest0-21swapper/208:40:022
250443899291,2cyclictest0-21swapper/007:10:010
250444199274,17cyclictest311ktimers/210:55:132
2504441992718,6cyclictest2552366-21grep11:45:302
2504441992716,8cyclictest0-21swapper/212:20:302
2504441992620,3cyclictest0-21swapper/207:10:282
2504439992511,8cyclictest2504527-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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