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2026-05-09 - 18:01

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 the 792 highest latencies:
System rackeslot6s.osadl.org (updated Sat May 09, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256700299712,63cyclictest0-21swapper/011:45:130
2567002996862,4cyclictest0-21swapper/007:15:010
2567002996612,32cyclictest20850irq/208-8000000.ethernet08:30:010
2567002996047,6cyclictest20850irq/208-8000000.ethernet09:25:290
256700299594,8cyclictest2622457-21unixbench_singl12:30:290
2567002995849,7cyclictest0-21swapper/007:40:110
2567002995748,6cyclictest2569682-21unixbench_multi07:20:280
256700299565,44cyclictest2585842-21grep08:55:270
2567002995543,7cyclictest0-21swapper/010:45:220
2567002995543,7cyclictest0-21swapper/010:45:210
256700299542,6cyclictest2620076-21latency_hist12:20:010
2567006995343,7cyclictest2588460-21munin-plugin-st09:15:002
2567002995341,8cyclictest2596153-21sendmail10:00:000
2567004995244,5cyclictest2572320-21munin-plugin-st07:40:001
2567006995041,6cyclictest2598680-21munin-plugin-st10:14:592
2567006994940,5cyclictest2583404-21munin-plugin-st08:45:002
2567004994935,9cyclictest0-21swapper/108:30:301
256700299493,33cyclictest2582449-21tail08:35:300
256700299493,10cyclictest0-21swapper/007:25:280
2567002994930,11cyclictest0-21swapper/007:10:010
2567002994930,10cyclictest0-21swapper/009:35:210
2567002994929,13cyclictest0-21swapper/009:50:270
2567002994835,10cyclictest2579164-21sendmail08:20:000
2567002994832,12cyclictest0-21swapper/012:30:000
256700299475,37cyclictest2601584-21sh10:30:200
2567002994733,8cyclictest0-21swapper/011:25:290
2567002994733,8cyclictest0-21swapper/011:25:280
2567002994730,15cyclictest167350irq/118-8000000.ethernet-tx008:05:310
2567002994726,17cyclictest0-21swapper/007:45:190
256700299472,3cyclictest274-21systemd-journal10:20:200
256700299472,38cyclictest0-21swapper/008:00:020
2567006994633,9cyclictest0-21swapper/211:50:292
2567004994631,6cyclictest22-21rcuc/109:25:021
2567002994639,4cyclictest167350irq/118-8000000.ethernet-tx011:50:260
2567002994633,9cyclictest2599415-21grep10:15:280
2567006994530,12cyclictest2606283-21sendmail10:59:592
2567006994514,12cyclictest2603116-21/usr/sbin/munin10:40:182
256700299459,34cyclictest0-21swapper/012:05:150
2567002994532,10cyclictest2572331-21sendmail07:40:000
2567002994529,11cyclictest0-21swapper/012:10:210
256700299452,39cyclictest0-21swapper/007:30:200
256700299451,8cyclictest0-21swapper/011:15:010
2567006994433,8cyclictest0-21swapper/208:00:272
2567006994431,7cyclictest14-21rcu_preempt09:55:292
2567006994430,10cyclictest0-21swapper/207:40:012
2567004994434,5cyclictest0-21swapper/108:40:281
2567004994431,9cyclictest0-21swapper/109:05:301
2567004994431,9cyclictest0-21swapper/109:05:291
256700299443,37cyclictest2603465-21phc2sys-jitter10:40:240
2567002994426,12cyclictest0-21swapper/009:40:210
2567002994426,12cyclictest0-21swapper/009:40:210
256700299441,36cyclictest0-21swapper/009:05:010
2567006994332,7cyclictest0-21swapper/210:50:002
2567006994332,7cyclictest0-21swapper/210:50:002
2567006994328,10cyclictest0-21swapper/210:05:282
2567006994327,9cyclictest0-21swapper/207:15:002
2567006994326,10cyclictest0-21swapper/207:55:282
256700699431,3cyclictest0-21swapper/212:00:192
2567004994335,5cyclictest2595214-21unixbench_multi09:50:281
2567004994330,8cyclictest2589196-21grep09:15:301
256700299438,33cyclictest0-21swapper/011:55:180
2567002994324,14cyclictest131ktimers/012:35:120
2567002994312,6cyclictest12-21ksoftirqd/008:55:010
2567002994312,11cyclictest15-21rcuc/010:55:010
2567006994230,8cyclictest0-21swapper/208:55:282
2567006994229,9cyclictest0-21swapper/210:40:012
2567002994234,6cyclictest20850irq/208-8000000.ethernet11:30:210
256700299423,3cyclictest0-21swapper/011:10:010
2567002994230,6cyclictest0-21swapper/009:45:180
2567002994229,8cyclictest0-21swapper/009:15:210
2567002994224,13cyclictest0-21swapper/009:20:210
256700299422,33cyclictest2609799-21grep11:20:010
2567006994131,5cyclictest0-21swapper/208:10:242
256700699411,6cyclictest0-21swapper/212:30:192
2567004994134,4cyclictest2620816-21munin-plugin-st12:25:001
2567004994125,8cyclictest0-21swapper/108:15:261
256700299417,32cyclictest0-21swapper/007:50:140
256700299415,8cyclictest12-21ksoftirqd/010:15:010
2567002994136,3cyclictest15-21rcuc/010:55:280
2567002994135,3cyclictest0-21swapper/010:05:230
2567002994129,7cyclictest0-21swapper/009:30:190
256700299412,37cyclictest0-21swapper/007:15:250
2567006994032,4cyclictest0-21swapper/211:35:152
2567006994029,7cyclictest0-21swapper/211:55:292
2567006994028,8cyclictest0-21swapper/207:15:282
2567006994027,8cyclictest0-21swapper/210:15:272
2567006994026,9cyclictest0-21swapper/209:25:282
2567006994024,8cyclictest0-21swapper/209:45:282
256700499407,19cyclictest2592126-21/usr/sbin/munin09:35:191
2567004994026,8cyclictest0-21swapper/107:45:281
256700299402,7cyclictest2588404-21grep09:10:280
2567002994027,7cyclictest0-21swapper/009:05:290
2567002994027,7cyclictest0-21swapper/009:05:290
2567002994021,12cyclictest0-21swapper/008:20:210
256700299401,37cyclictest0-21swapper/011:20:100
2567006993929,7cyclictest2613862-21unixbench_multi11:40:282
2567006993928,7cyclictest0-21swapper/209:05:002
2567006993926,9cyclictest0-21swapper/208:05:272
2567006993925,9cyclictest0-21swapper/208:45:272
2567004993924,9cyclictest231ktimers/111:25:131
2567004993924,9cyclictest231ktimers/111:25:131
2567004993924,10cyclictest231ktimers/110:55:121
2567004993924,10cyclictest231ktimers/107:40:121
2567002993926,9cyclictest0-21swapper/011:35:280
2567002993923,15cyclictest0-21swapper/008:25:170
2567002993923,15cyclictest0-21swapper/008:25:170
256700299391,34cyclictest0-21swapper/008:40:020
2567006993827,7cyclictest0-21swapper/209:05:302
2567006993827,7cyclictest0-21swapper/209:05:302
2567006993826,7cyclictest0-21swapper/208:15:302
2567006993825,8cyclictest0-21swapper/211:15:202
2567006993825,6cyclictest0-21swapper/211:25:292
2567006993825,6cyclictest0-21swapper/211:25:292
2567006993825,10cyclictest2589322-21sendmail-msp09:20:002
2567004993832,4cyclictest2585075-21cron08:54:591
2567004993832,3cyclictest2602915-21sendmail10:40:011
2567004993830,5cyclictest2612121-21grep11:30:291
2567004993825,8cyclictest231ktimers/109:10:151
2567004993824,9cyclictest231ktimers/110:25:141
2567004993820,9cyclictest0-21swapper/112:25:211
256700499381,30cyclictest2604797-21/usr/sbin/munin10:50:161
256700299382,33cyclictest0-21swapper/010:00:270
2567002993819,13cyclictest2617629-21latency_hist12:05:000
2567006993726,6cyclictest0-21swapper/210:20:282
2567006993725,8cyclictest0-21swapper/212:10:282
2567006993723,9cyclictest0-21swapper/211:30:212
256700699371,10cyclictest2580474-21/usr/sbin/munin08:25:252
256700699371,10cyclictest2580474-21/usr/sbin/munin08:25:252
2567004993723,10cyclictest231ktimers/107:10:131
256700499372,29cyclictest0-21swapper/110:30:241
2567004993721,10cyclictest231ktimers/107:55:151
2567004993718,12cyclictest231ktimers/107:20:111
256700499371,30cyclictest0-21swapper/109:45:201
2567002993731,3cyclictest0-21swapper/008:10:170
256700299371,34cyclictest0-21swapper/012:20:080
256700299371,34cyclictest0-21swapper/008:00:160
2567006993626,7cyclictest0-21swapper/207:50:292
2567006993625,7cyclictest0-21swapper/207:40:302
2567004993624,8cyclictest0-21swapper/109:55:301
2567004993624,7cyclictest2592984-21/usr/sbin/munin09:40:241
2567004993624,7cyclictest2592984-21/usr/sbin/munin09:40:241
2567004993623,7cyclictest0-21swapper/112:05:291
2567004993623,10cyclictest2623241-21grep12:35:271
2567002993629,4cyclictest167350irq/118-8000000.ethernet-tx011:40:210
2567002993627,6cyclictest2602817-21unixbench_multi10:35:280
2567002993624,6cyclictest0-21swapper/011:00:200
256700299361,33cyclictest0-21swapper/010:25:170
2567006993529,4cyclictest167550irq/134-8000000.ethernet-tx207:30:252
2567006993526,5cyclictest0-21swapper/211:20:252
2567006993524,7cyclictest0-21swapper/212:25:282
2567006993515,16cyclictest167550irq/134-8000000.ethernet-tx209:40:232
2567006993515,16cyclictest167550irq/134-8000000.ethernet-tx209:40:232
2567004993529,3cyclictest167450irq/126-8000000.ethernet-tx108:10:131
2567004993527,4cyclictest0-21swapper/110:00:241
2567004993526,4cyclictest0-21swapper/107:15:291
2567004993522,8cyclictest231ktimers/109:20:131
2567004993516,13cyclictest231ktimers/108:05:141
2567006993417,11cyclictest311ktimers/212:15:132
2567004993427,4cyclictest2566998-21cyclictest11:35:281
2567004993426,5cyclictest0-21swapper/107:30:291
2567004993425,5cyclictest0-21swapper/111:10:261
2567004993424,6cyclictest2617266-21grep12:00:291
256700699332,6cyclictest0-21swapper/208:35:212
2567006993326,4cyclictest0-21swapper/207:25:292
2567006993325,5cyclictest0-21swapper/210:00:272
2567006993315,4cyclictest167550irq/134-8000000.ethernet-tx209:21:202
2567004993323,7cyclictest0-21swapper/111:15:291
2567004993321,8cyclictest0-21swapper/108:30:011
2567004993321,8cyclictest0-21swapper/108:30:011
2567004993320,7cyclictest0-21swapper/112:15:201
2567002993328,3cyclictest0-21swapper/008:49:040
2567006993226,4cyclictest2608762-21grep11:10:272
2567006993222,7cyclictest0-21swapper/207:20:272
2567006993220,8cyclictest0-21swapper/208:20:292
2567004993224,5cyclictest0-21swapper/112:35:011
2567004993223,5cyclictest0-21swapper/111:00:281
2567004993222,5cyclictest274-21systemd-journal09:04:591
2567004993221,8cyclictest2582482-21unixbench_singl08:35:311
2567004993220,8cyclictest231ktimers/110:45:101
2567004993220,8cyclictest231ktimers/110:45:101
2567006993122,7cyclictest2584993-21grep08:50:272
2567006993122,5cyclictest0-21swapper/211:05:212
2567006993121,7cyclictest2600579-21/usr/sbin/munin10:25:132
2567006993120,7cyclictest0-21swapper/207:45:272
2567004993124,4cyclictest0-21swapper/108:45:281
2567004993122,7cyclictest2585905-21sshd08:57:221
2567004993120,8cyclictest231ktimers/110:20:101
2567004993119,8cyclictest231ktimers/110:05:111
2567004993118,8cyclictest0-21swapper/108:25:011
2567006993019,7cyclictest0-21swapper/208:30:232
2567006993018,8cyclictest0-21swapper/210:50:272
256700699301,27cyclictest0-21swapper/209:30:162
2567004993022,5cyclictest2618474-21/usr/sbin/munin12:10:181
2567004993022,5cyclictest0-21swapper/110:40:251
2567004993020,7cyclictest0-21swapper/111:50:211
2567004993020,6cyclictest2599210-21tail10:15:261
256700499301,3cyclictest0-21swapper/111:25:011
2567006992923,3cyclictest0-21swapper/212:20:232
2567006992919,7cyclictest0-21swapper/211:50:002
2567006992916,6cyclictest0-21swapper/207:10:002
256700699291,4cyclictest2607007-21find11:00:282
256700699291,4cyclictest0-21swapper/209:35:282
256700699291,23cyclictest0-21swapper/212:35:172
2567004992918,8cyclictest0-21swapper/111:40:241
256700699281,25cyclictest0-21swapper/210:31:172
2567006992811,4cyclictest167550irq/134-8000000.ethernet-tx209:53:102
256700499288,5cyclictest832-21systemd-network07:27:551
2567004992817,8cyclictest0-21swapper/108:00:281
2567004992816,8cyclictest2616502-21sendmail12:00:011
256700499281,21cyclictest0-21swapper/110:10:061
256700699271,18cyclictest2617635-21/usr/sbin/munin12:05:202
256700499266,11cyclictest2567092-21latency_hist07:10:011
2567004992620,4cyclictest0-21swapper/109:30:241
2567004992619,4cyclictest0-21swapper/111:45:211
2567004992616,7cyclictest231ktimers/107:50:121
256700499261,2cyclictest0-21swapper/111:09:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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