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2026-08-10 - 17:38

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 Aug 10, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
736398997769,5cyclictest311ktimers/209:00:012
736398997769,5cyclictest311ktimers/209:00:012
736394996617,28cyclictest785572-21munin-plugin-st11:55:000
736398996247,11cyclictest311ktimers/207:20:132
736394995929,8cyclictest0-21swapper/010:20:280
736398995635,14cyclictest311ktimers/210:30:122
736394995444,7cyclictest772639-21munin-plugin-st10:40:000
736398995343,6cyclictest745170-21latency_hist08:00:002
736398995340,9cyclictest754641-21munin-plugin-st08:55:002
736398995228,17cyclictest311ktimers/211:35:152
736398995228,17cyclictest311ktimers/211:35:152
73639899514,22cyclictest32-21ksoftirqd/207:50:002
736398995130,14cyclictest311ktimers/209:50:122
736398995130,14cyclictest311ktimers/209:50:122
73639899505,25cyclictest32-21ksoftirqd/211:20:022
736398994937,7cyclictest748648-21sendmail08:20:002
736398994932,8cyclictest0-21swapper/208:40:002
736398994931,11cyclictest0-21swapper/212:15:172
736398994930,13cyclictest311ktimers/208:40:122
736398994929,13cyclictest311ktimers/209:10:132
736398994929,13cyclictest311ktimers/209:10:132
736398994913,7cyclictest759715-21apt-get09:25:022
736395994937,8cyclictest778732-21apt-key11:15:011
736395994937,8cyclictest778732-21apt-key11:15:011
736394994935,10cyclictest0-21swapper/007:45:000
736398994832,12cyclictest311ktimers/212:10:122
736394994841,4cyclictest782055-21grep11:30:290
736398994727,15cyclictest311ktimers/210:05:132
736394994740,4cyclictest20650irq/252-8000000.ethernet08:55:320
736394994740,4cyclictest20650irq/252-8000000.ethernet08:55:320
736398994627,13cyclictest311ktimers/212:05:122
736394994631,9cyclictest0-21swapper/008:35:290
73639499461,8cyclictest755774-21/usr/sbin/munin09:00:190
736398994536,4cyclictest779573-21latency_hist11:20:012
736398994535,7cyclictest746027-21munin-plugin-st08:05:002
736398994535,5cyclictest761208-21grep09:30:252
736398994534,6cyclictest781169-21grep11:25:282
736398994534,6cyclictest781169-21grep11:25:282
736398994532,5cyclictest0-21swapper/209:00:302
73639899453,10cyclictest30-21rcuc/211:00:012
736398994530,10cyclictest0-21swapper/209:05:282
736398994527,12cyclictest311ktimers/209:40:112
736395994535,6cyclictest765883-21munin-plugin-st10:00:001
736394994531,10cyclictest131ktimers/010:45:120
73639899448,23cyclictest747803-21cmp08:15:012
736398994427,11cyclictest311ktimers/210:20:122
736395994437,5cyclictest0-21swapper/108:45:011
736395994433,7cyclictest750281-21grep08:25:281
736394994437,4cyclictest0-21swapper/010:40:120
73639499441,40cyclictest0-21swapper/007:15:140
73639499441,40cyclictest0-21swapper/007:15:140
736398994332,8cyclictest751097-21grep08:30:292
736398994330,9cyclictest758870-21sendmail09:19:592
736398994327,11cyclictest311ktimers/211:45:142
736398994325,12cyclictest311ktimers/209:35:102
736398994324,12cyclictest311ktimers/210:15:112
736398994324,12cyclictest311ktimers/208:25:112
736395994324,14cyclictest0-21swapper/107:40:281
736394994336,4cyclictest20850irq/208-8000000.ethernet11:25:010
736394994335,4cyclictest167350irq/118-8000000.ethernet-tx009:50:180
736394994335,4cyclictest167350irq/118-8000000.ethernet-tx009:50:180
736394994334,5cyclictest762313-21grep09:35:280
736394994332,7cyclictest0-21swapper/012:10:290
736394994332,6cyclictest0-21swapper/007:40:000
736398994231,5cyclictest739919-21grep07:25:312
736398994229,6cyclictest774276-21grep10:45:292
736398994227,10cyclictest0-21swapper/207:50:252
736398994226,12cyclictest311ktimers/211:30:152
736395994232,6cyclictest0-21swapper/109:10:291
736395994232,6cyclictest0-21swapper/109:10:291
736395994229,9cyclictest0-21swapper/110:15:281
736394994231,7cyclictest0-21swapper/007:10:280
736394994230,9cyclictest0-21swapper/012:05:290
736394994229,7cyclictest747916-21latency_hist08:15:020
73639499421,4cyclictest739159-21users07:20:300
73639499421,34cyclictest759903-21latency_hist09:25:010
736395994129,8cyclictest0-21swapper/109:35:291
736394994131,7cyclictest786427-21sendmail12:00:000
736394994131,7cyclictest0-21swapper/008:05:300
736394994130,8cyclictest0-21swapper/009:40:270
736394994127,11cyclictest0-21swapper/007:55:270
73639499411,33cyclictest776119-21latency_hist11:00:010
736398994028,8cyclictest765791-21unixbench_multi09:55:292
736398994027,8cyclictest0-21swapper/212:35:282
736398994026,8cyclictest0-21swapper/211:00:282
736398994026,8cyclictest0-21swapper/211:00:282
736398994022,13cyclictest311ktimers/210:50:122
736395994030,7cyclictest774242-21grep10:45:291
736394994033,4cyclictest0-21swapper/008:55:010
736394994029,5cyclictest0-21swapper/012:35:280
736398993926,8cyclictest0-21swapper/209:50:012
736398993922,10cyclictest311ktimers/211:40:062
736398993921,13cyclictest311ktimers/209:20:122
736395993929,6cyclictest0-21swapper/109:30:291
736395993929,5cyclictest0-21swapper/109:00:301
736395993923,11cyclictest0-21swapper/107:25:311
736395993922,9cyclictest0-21swapper/109:30:011
736395993920,10cyclictest0-21swapper/110:05:211
736394993933,4cyclictest736389-21cyclictest11:40:000
736394993933,4cyclictest736389-21cyclictest11:40:000
736394993932,3cyclictest20650irq/252-8000000.ethernet07:29:590
736394993930,5cyclictest0-21swapper/012:20:000
736394993929,8cyclictest0-21swapper/010:10:290
736394993927,9cyclictest0-21swapper/010:15:280
736394993926,9cyclictest0-21swapper/007:50:290
736394993926,8cyclictest0-21swapper/008:25:280
736394993925,9cyclictest0-21swapper/007:45:180
73639499391,3cyclictest764242-21apt-key09:50:010
736398993825,7cyclictest0-21swapper/207:30:202
736398993822,9cyclictest0-21swapper/207:35:292
736398993822,12cyclictest0-21swapper/210:10:272
736395993830,5cyclictest0-21swapper/110:40:201
736395993828,7cyclictest751123-21grep08:30:291
736395993827,7cyclictest748565-21grep08:15:291
736395993827,7cyclictest0-21swapper/109:40:271
736395993826,6cyclictest790578-21grep12:20:291
736395993823,9cyclictest0-21swapper/111:30:021
736394993829,5cyclictest767511-21grep10:05:290
736394993829,4cyclictest0-21swapper/012:25:190
736394993824,10cyclictest0-21swapper/008:30:200
73639499381,34cyclictest0-21swapper/011:40:120
736398993726,7cyclictest0-21swapper/207:40:282
736398993723,10cyclictest0-21swapper/211:55:282
736398993721,11cyclictest311ktimers/211:10:112
736398993721,11cyclictest311ktimers/211:10:112
736398993720,11cyclictest0-21swapper/210:30:012
736395993728,5cyclictest0-21swapper/110:10:281
736395993728,5cyclictest0-21swapper/108:10:201
736395993727,7cyclictest759077-21/usr/sbin/munin09:20:211
736395993725,8cyclictest0-21swapper/111:45:291
73639599372,33cyclictest785772-21/usr/sbin/munin11:55:191
736395993719,10cyclictest0-21swapper/112:25:201
736394993727,6cyclictest0-21swapper/009:25:290
73639499372,33cyclictest0-21swapper/012:20:280
736398993628,4cyclictest792256-21unixbench_singl12:30:302
736398993626,6cyclictest311ktimers/211:05:112
736398993625,8cyclictest0-21swapper/208:45:282
736398993625,6cyclictest0-21swapper/207:15:292
736398993625,6cyclictest0-21swapper/207:15:292
73639899361,28cyclictest771997-21apt-get10:35:112
736395993626,5cyclictest0-21swapper/107:45:261
736395993624,9cyclictest0-21swapper/109:50:281
736395993624,9cyclictest0-21swapper/109:50:281
736395993624,8cyclictest737379-21wc07:15:021
736394993628,5cyclictest0-21swapper/012:30:130
73639499362,3cyclictest0-21swapper/008:25:000
736394993623,9cyclictest0-21swapper/010:50:220
73639499362,28cyclictest0-21swapper/010:35:010
736394993618,5cyclictest757678-1kworker/0:1H+mmc_complete12:05:010
736394993618,5cyclictest757678-1kworker/0:1H+mmc_complete12:05:010
736398993522,5cyclictest0-21swapper/211:50:202
736395993527,4cyclictest0-21swapper/109:05:201
736395993526,4cyclictest0-21swapper/112:30:281
736394993529,4cyclictest20850irq/208-8000000.ethernet09:10:120
736394993529,4cyclictest20850irq/208-8000000.ethernet09:10:120
736394993523,8cyclictest0-21swapper/008:00:300
73639499351,32cyclictest0-21swapper/011:17:380
73639499351,32cyclictest0-21swapper/011:00:130
73639499351,32cyclictest0-21swapper/011:00:130
73639899347,20cyclictest737166-21sed07:10:272
73639899342,5cyclictest786995-21ps12:00:302
73639899342,5cyclictest786995-21ps12:00:292
736398993419,11cyclictest0-21swapper/207:10:002
73639899341,27cyclictest0-21swapper/212:25:182
736395993427,4cyclictest0-21swapper/108:05:201
736395993426,4cyclictest0-21swapper/111:25:201
736395993425,5cyclictest770893-21unixbench_singl10:25:301
736395993424,7cyclictest752008-21cron08:40:001
736395993424,6cyclictest787179-21grep12:00:311
736395993424,6cyclictest787179-21grep12:00:311
736395993423,6cyclictest0-21swapper/107:55:271
736394993428,4cyclictest20850irq/208-8000000.ethernet08:15:100
736394993428,3cyclictest0-21swapper/010:25:300
736394993427,4cyclictest20850irq/208-8000000.ethernet08:40:290
736394993423,7cyclictest0-21swapper/008:45:280
73639499341,31cyclictest0-21swapper/011:45:140
73639899331,26cyclictest748856-21/usr/sbin/munin08:20:272
736395993324,5cyclictest0-21swapper/111:20:301
736395993323,5cyclictest0-21swapper/112:15:261
736395993321,7cyclictest782927-21sshd11:36:351
736395993321,7cyclictest782927-21sshd11:36:351
736394993323,6cyclictest0-21swapper/009:35:010
73639499331,3cyclictest777223-21/usr/sbin/munin11:05:170
736398993217,9cyclictest0-21swapper/210:00:282
736395993226,4cyclictest0-21swapper/109:45:161
736395993223,4cyclictest0-21swapper/108:55:001
736395993222,6cyclictest0-21swapper/108:00:291
736395993219,8cyclictest0-21swapper/112:35:181
736395993217,11cyclictest0-21swapper/107:10:011
736394993226,4cyclictest20850irq/208-8000000.ethernet11:10:200
736394993226,4cyclictest20850irq/208-8000000.ethernet11:10:200
736394993226,4cyclictest20850irq/208-8000000.ethernet09:05:150
736394993224,4cyclictest0-21swapper/010:00:300
736394993222,6cyclictest0-21swapper/009:55:300
73639499321,28cyclictest781254-21sshd11:27:350
73639499321,28cyclictest781254-21sshd11:27:350
73639599313,23cyclictest0-21swapper/109:15:211
736395993125,4cyclictest0-21swapper/107:16:591
736395993125,4cyclictest0-21swapper/107:16:591
73639599312,4cyclictest274-21systemd-journal07:34:541
736395993123,3cyclictest0-21swapper/111:40:251
736395993122,5cyclictest0-21swapper/110:50:271
736395993114,5cyclictest167450irq/126-8000000.ethernet-tx108:55:161
736395993114,5cyclictest167450irq/126-8000000.ethernet-tx108:55:151
736394993122,6cyclictest740784-21grep07:30:260
736394993118,8cyclictest0-21swapper/009:15:280
73639899304,20cyclictest746822-21grep08:05:302
736395993023,3cyclictest0-21swapper/110:30:211
736395993020,6cyclictest766637-21grep10:00:301
736395993018,9cyclictest775892-21grep10:55:271
736395993017,8cyclictest0-21swapper/111:10:011
73639599301,3cyclictest0-21swapper/107:50:211
73639899291,25cyclictest0-21swapper/210:40:272
736395992923,3cyclictest787798-21phc2sys12:05:261
736395992923,3cyclictest0-21swapper/111:50:211
736395992921,5cyclictest0-21swapper/110:35:281
736395992918,8cyclictest0-21swapper/112:15:011
736395992822,3cyclictest0-21swapper/107:35:221
736395992818,7cyclictest0-21swapper/111:05:011
736395992818,7cyclictest0-21swapper/111:05:011
736395992818,7cyclictest0-21swapper/110:20:271
736395992720,4cyclictest0-21swapper/108:20:281
736395992719,4cyclictest0-21swapper/111:15:201
736395992717,6cyclictest0-21swapper/107:20:301
736398992617,7cyclictest864-21systemd-logind12:24:332
73639599261,22cyclictest0-21swapper/108:45:231
73639499265,13cyclictest412760-1kworker/0:2H+mmc_complete07:10:010
736395992520,3cyclictest0-21swapper/111:30:121
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