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2026-03-09 - 19:01

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 all highest latencies:
System rackeslot6s.osadl.org (updated Mon Mar 09, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3174482997541,31cyclictest231ktimers/108:35:011
3174482997541,31cyclictest231ktimers/108:35:011
3174482997130,35cyclictest0-21swapper/111:10:301
3174482996029,5cyclictest0-21swapper/107:15:281
3174482996029,5cyclictest0-21swapper/107:15:281
3174482995925,6cyclictest0-21swapper/110:05:281
3174482995822,11cyclictest0-21swapper/109:55:281
3174479995547,4cyclictest167350irq/118-8000000.ethernet-tx010:20:010
317448299541,18cyclictest0-21swapper/107:40:011
3174479995447,4cyclictest3229127-21munin-plugin-st12:29:590
3174483995241,7cyclictest3184019-21munin-plugin-st08:05:012
317448399517,35cyclictest30-21rcuc/207:30:012
3174479995134,14cyclictest167350irq/118-8000000.ethernet-tx007:55:220
3174482995042,5cyclictest3178105-21munin-plugin-st07:30:011
3174479994942,4cyclictest167350irq/118-8000000.ethernet-tx008:20:250
3174479994941,4cyclictest20650irq/252-8000000.ethernet08:40:260
3174479994941,4cyclictest167350irq/118-8000000.ethernet-tx011:25:170
317448299481,5cyclictest0-21swapper/110:05:011
3174479994841,4cyclictest167350irq/118-8000000.ethernet-tx009:30:030
3174479994840,4cyclictest167350irq/118-8000000.ethernet-tx007:25:200
3174482994734,9cyclictest0-21swapper/112:00:001
3174482994626,12cyclictest0-21swapper/109:05:281
3174479994638,5cyclictest20850irq/208-8000000.ethernet09:20:280
317447999463,6cyclictest3210971-21meminfo10:40:230
3174479994634,8cyclictest0-21swapper/009:10:290
317447999463,14cyclictest3181824-21cut07:50:190
317447999457,5cyclictest3198552-21apt-get09:30:010
3174479994537,5cyclictest167350irq/118-8000000.ethernet-tx011:45:170
317447999453,5cyclictest3226965-21perl12:15:200
317447999452,5cyclictest3179451-21memory07:35:260
3174479994516,27cyclictest131ktimers/009:45:280
3174483994429,10cyclictest0-21swapper/210:55:302
3174479994439,3cyclictest3213830-21latency_hist11:00:000
3174479994437,4cyclictest167350irq/118-8000000.ethernet-tx010:05:170
3174479994436,4cyclictest20650irq/252-8000000.ethernet11:35:270
3174479994431,10cyclictest3212150-21munin-plugin-st10:49:590
317447999442,40cyclictest0-21swapper/009:15:190
317447999441,4cyclictest0-21swapper/011:10:220
3174483994332,7cyclictest3205287-21grep10:05:292
3174483994331,9cyclictest3215528-21munin-plugin-st11:10:002
3174483994329,7cyclictest0-21swapper/207:45:282
3174483994328,12cyclictest0-21swapper/212:00:292
317448299434,7cyclictest0-21swapper/110:50:001
317447999434,34cyclictest3207896-21sed10:20:280
3174479994336,4cyclictest167350irq/118-8000000.ethernet-tx012:20:300
3174479994336,4cyclictest167350irq/118-8000000.ethernet-tx012:20:300
3174479994333,5cyclictest0-21swapper/008:50:280
3174479994331,8cyclictest0-21swapper/011:00:280
3174479994327,12cyclictest0-21swapper/012:40:000
3174479994237,3cyclictest0-21swapper/009:05:130
3174479994234,5cyclictest20850irq/208-8000000.ethernet09:40:000
3174479994234,4cyclictest20650irq/252-8000000.ethernet07:15:010
3174479994233,5cyclictest0-21swapper/007:30:270
3174479994233,5cyclictest0-21swapper/007:30:270
317447999421,39cyclictest0-21swapper/007:20:230
3174479994210,24cyclictest15-21rcuc/011:35:010
3174483994130,7cyclictest0-21swapper/211:45:282
3174483994129,8cyclictest0-21swapper/212:25:272
317448299414,17cyclictest14-21rcu_preempt12:25:021
317447999411,38cyclictest0-21swapper/010:10:200
317448399407,18cyclictest0-21swapper/207:35:012
317448399407,18cyclictest0-21swapper/207:35:012
3174483994033,5cyclictest3180635-21cron07:45:002
3174483994033,4cyclictest3214688-21munin-plugin-st11:05:002
3174483994031,5cyclictest0-21swapper/207:20:282
3174483994029,9cyclictest3203701-21munin-plugin-st10:00:002
3174483994029,7cyclictest0-21swapper/212:10:282
3174483994027,10cyclictest0-21swapper/210:50:002
3174483994024,11cyclictest0-21swapper/209:05:282
3174482994027,9cyclictest0-21swapper/110:25:291
3174482994027,9cyclictest0-21swapper/110:25:281
3174479994035,2cyclictest0-21swapper/010:00:280
3174479994032,5cyclictest3224789-21grep12:00:300
3174479994032,4cyclictest20650irq/252-8000000.ethernet08:35:290
3174479994032,4cyclictest20650irq/252-8000000.ethernet08:35:290
3174479994032,4cyclictest20650irq/252-8000000.ethernet08:30:140
3174479994032,4cyclictest0-21swapper/011:25:010
3174479994031,5cyclictest20850irq/208-8000000.ethernet11:15:190
3174479994029,8cyclictest0-21swapper/008:15:300
317447999402,36cyclictest0-21swapper/011:40:190
317447999402,36cyclictest0-21swapper/011:40:190
317447999401,37cyclictest0-21swapper/011:55:140
317447999401,37cyclictest0-21swapper/008:55:150
317447999401,37cyclictest0-21swapper/008:10:300
317447999401,37cyclictest0-21swapper/008:10:300
317447999401,37cyclictest0-21swapper/007:40:200
317447999401,33cyclictest0-21swapper/012:30:020
317447999401,33cyclictest0-21swapper/012:30:020
3174483993927,8cyclictest0-21swapper/209:00:282
3174483993926,9cyclictest0-21swapper/209:40:292
3174483993926,8cyclictest0-21swapper/211:50:282
3174483993922,11cyclictest0-21swapper/209:35:262
3174482993930,6cyclictest0-21swapper/107:30:271
3174482993930,6cyclictest0-21swapper/107:30:271
317447999393,8cyclictest3209455-21mailstats10:30:280
3174479993932,4cyclictest20650irq/252-8000000.ethernet10:30:010
3174479993932,4cyclictest20650irq/252-8000000.ethernet10:30:000
317447999391,36cyclictest0-21swapper/012:10:280
317447999391,36cyclictest0-21swapper/009:50:190
317447999391,36cyclictest0-21swapper/008:25:240
3174483993829,5cyclictest0-21swapper/207:55:272
3174483993826,7cyclictest0-21swapper/210:30:192
3174483993824,9cyclictest0-21swapper/210:25:282
3174483993824,9cyclictest0-21swapper/210:25:282
3174483993824,9cyclictest0-21swapper/209:20:212
3174483993823,7cyclictest0-21swapper/209:50:282
3174483993823,10cyclictest0-21swapper/209:10:212
3174482993824,9cyclictest0-21swapper/112:30:211
3174482993824,9cyclictest0-21swapper/112:30:201
3174482993819,9cyclictest0-21swapper/109:40:271
3174479993831,4cyclictest0-21swapper/008:00:280
3174479993831,3cyclictest3225582-21mailstats12:05:270
3174479993826,9cyclictest3203703-21sendmail10:00:000
3174479993821,12cyclictest131ktimers/007:15:120
3174479993821,12cyclictest131ktimers/007:15:120
317447999381,8cyclictest0-21swapper/007:50:010
317447999381,35cyclictest0-21swapper/011:50:270
317447999381,35cyclictest0-21swapper/010:50:190
317447999381,35cyclictest0-21swapper/009:00:230
3174483993729,4cyclictest167550irq/134-8000000.ethernet-tx208:55:162
3174483993728,5cyclictest0-21swapper/208:10:292
3174483993728,5cyclictest0-21swapper/208:10:292
3174483993725,8cyclictest0-21swapper/209:45:282
3174483993725,7cyclictest0-21swapper/210:00:282
3174483993723,10cyclictest0-21swapper/212:35:262
3174482993713,9cyclictest3182522-21/usr/sbin/munin07:55:171
317448299371,30cyclictest3183380-21/usr/sbin/munin08:00:121
317448299371,2cyclictest0-21swapper/108:55:001
317447999371,34cyclictest0-21swapper/010:35:140
3174483993629,4cyclictest167550irq/134-8000000.ethernet-tx208:45:232
3174483993629,4cyclictest167550irq/134-8000000.ethernet-tx208:45:232
3174483993629,4cyclictest167550irq/134-8000000.ethernet-tx208:05:242
3174483993627,5cyclictest0-21swapper/210:20:012
3174483993623,9cyclictest0-21swapper/212:30:272
3174483993623,9cyclictest0-21swapper/212:30:272
3174483993623,8cyclictest3198507-21grep09:25:282
317448399362,27cyclictest0-21swapper/207:15:262
317448399362,27cyclictest0-21swapper/207:15:252
3174482993626,5cyclictest0-21swapper/109:35:211
3174482993621,7cyclictest0-21swapper/109:15:261
317448299361,4cyclictest0-21swapper/110:40:001
3174479993630,3cyclictest0-21swapper/009:40:210
3174479993630,3cyclictest0-21swapper/008:05:190
3174479993629,4cyclictest20650irq/252-8000000.ethernet11:05:150
3174479993627,5cyclictest0-21swapper/008:45:280
3174479993627,5cyclictest0-21swapper/008:45:280
3174483993525,7cyclictest0-21swapper/207:35:282
3174483993524,7cyclictest0-21swapper/210:35:272
3174482993528,4cyclictest0-21swapper/111:05:281
3174482993528,3cyclictest0-21swapper/112:10:191
3174482993523,7cyclictest1660-21snmpd11:00:401
317448299351,4cyclictest0-21swapper/112:05:001
3174483993423,7cyclictest0-21swapper/208:20:272
3174483993421,8cyclictest0-21swapper/207:10:282
3174483993420,10cyclictest0-21swapper/212:20:302
3174483993420,10cyclictest0-21swapper/212:20:302
3174482993429,3cyclictest3193325-21unixbench_singl08:55:281
3174482993423,7cyclictest0-21swapper/109:50:271
3174482993422,8cyclictest0-21swapper/108:10:001
317448299341,6cyclictest0-21swapper/109:50:011
3174482993415,8cyclictest0-21swapper/107:15:021
3174483993325,5cyclictest3221493-21grep11:40:312
3174483993325,5cyclictest3221493-21grep11:40:302
3174483993325,5cyclictest0-21swapper/211:30:062
3174483993325,5cyclictest0-21swapper/210:20:282
317448399332,27cyclictest0-21swapper/208:30:202
3174483993322,7cyclictest0-21swapper/208:25:282
3174483993320,8cyclictest311ktimers/210:50:132
3174483993319,5cyclictest0-21swapper/208:50:292
317448399331,2cyclictest0-21swapper/209:30:222
3174482993328,3cyclictest3220671-21sh11:39:591
3174482993322,6cyclictest0-21swapper/110:50:291
3174482993319,9cyclictest0-21swapper/111:30:011
3174482993319,10cyclictest0-21swapper/109:10:291
3174482993318,10cyclictest0-21swapper/108:45:001
317448299331,27cyclictest0-21swapper/112:05:231
317447999333,5cyclictest15-21rcuc/007:10:010
3174483993219,8cyclictest0-21swapper/212:05:252
3174483993215,9cyclictest0-21swapper/211:35:292
3174482993225,4cyclictest3207296-21/usr/sbin/munin10:20:261
3174482993225,4cyclictest0-21swapper/110:10:201
3174482993224,5cyclictest3187601-21/usr/sbin/munin08:25:231
3174482993216,10cyclictest0-21swapper/108:25:011
3174483993125,3cyclictest167550irq/134-8000000.ethernet-tx207:50:102
3174483993121,7cyclictest0-21swapper/211:55:272
3174483993119,8cyclictest0-21swapper/211:10:222
3174482993123,4cyclictest0-21swapper/109:30:001
3174482993123,4cyclictest0-21swapper/109:20:251
3174482993121,7cyclictest231ktimers/111:15:221
3174482993120,7cyclictest3228193-21unixbench_multi12:20:301
3174482993120,7cyclictest3228193-21unixbench_multi12:20:291
3174482993119,8cyclictest0-21swapper/109:00:271
3174482993118,8cyclictest0-21swapper/107:50:181
3174482993117,9cyclictest0-21swapper/108:30:101
317448299311,24cyclictest0-21swapper/110:40:151
317448399301,27cyclictest0-21swapper/211:20:232
317448299306,2cyclictest0-21swapper/112:40:001
3174482993021,6cyclictest3185898-21/usr/sbin/munin08:15:281
317448399294,9cyclictest3210671-21/usr/sbin/munin10:40:182
3174483992919,6cyclictest0-21swapper/210:15:022
3174482992917,7cyclictest0-21swapper/111:20:281
3174482992916,10cyclictest0-21swapper/111:40:281
3174482992916,10cyclictest0-21swapper/111:40:281
317448299291,2cyclictest0-21swapper/108:15:021
317448299291,2cyclictest0-21swapper/108:15:011
317448299291,25cyclictest3226787-21/usr/sbin/munin12:15:251
3174483992820,3cyclictest0-21swapper/212:15:202
3174483992817,7cyclictest0-21swapper/208:15:292
3174483992816,8cyclictest0-21swapper/209:15:222
3174483992816,8cyclictest0-21swapper/208:45:002
317448399281,25cyclictest0-21swapper/211:15:182
317448299281,25cyclictest3213190-21/usr/sbin/munin10:55:261
3174482992724,2cyclictest0-21swapper/111:50:211
3174482992720,4cyclictest3181387-21tail07:45:281
3174482992719,6cyclictest3219191-21/usr/sbin/munin11:30:241
3174482992719,6cyclictest0-21swapper/108:45:281
3174482992719,6cyclictest0-21swapper/108:45:271
3174482992718,6cyclictest0-21swapper/107:45:011
3174482992713,10cyclictest0-21swapper/111:45:291
3174482992711,4cyclictest2181224-1kworker/1:2H+kblockd10:20:011
317448399266,12cyclictest0-21swapper/207:10:012
317448399261,4cyclictest0-21swapper/208:37:082
317448399261,4cyclictest0-21swapper/208:37:082
3174482992621,4cyclictest0-21swapper/109:33:061
3174482992618,4cyclictest0-21swapper/110:30:281
3174482992614,8cyclictest0-21swapper/107:20:261
3174483992518,3cyclictest3219111-21latency_hist11:30:012
3174482991712,3cyclictest3174522-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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