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2026-05-07 - 00:52

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 Wed May 06, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410444699919,39cyclictest4159101-21apt-get12:30:010
410444699836,6cyclictest4144660-21apt-get11:05:010
4104446997943,29cyclictest20650irq/252-8000000.ethernet12:25:010
4104446997943,29cyclictest20650irq/252-8000000.ethernet12:25:010
4104446997865,4cyclictest0-21swapper/012:35:190
4104446997738,33cyclictest167350irq/118-8000000.ethernet-tx008:20:010
410444699766,4cyclictest4144660-21apt-get11:05:010
4104447997213,3cyclictest4149791-21kworker/u8:0+events_power_efficient12:10:011
410444699724,2cyclictest0-21swapper/010:10:020
4104446997136,32cyclictest20650irq/252-8000000.ethernet09:00:240
4104446997123,39cyclictest0-21swapper/011:55:190
410444699706,5cyclictest4122515-21apt-get08:55:020
410444699701,2cyclictest0-21swapper/010:50:010
410444699694,9cyclictest0-21swapper/008:40:270
410444699694,9cyclictest0-21swapper/008:40:270
4104446996839,26cyclictest20650irq/252-8000000.ethernet10:00:270
4104446996837,27cyclictest20650irq/252-8000000.ethernet07:15:000
4104446996836,28cyclictest20650irq/252-8000000.ethernet10:15:200
4104446996836,28cyclictest20650irq/252-8000000.ethernet10:15:200
4104446996825,36cyclictest0-21swapper/007:50:270
4104446996825,36cyclictest0-21swapper/007:50:270
410444699679,44cyclictest4088718-1kworker/0:0H+mmc_complete08:05:020
4104446996726,38cyclictest0-21swapper/009:05:280
410444699662,14cyclictest20850irq/208-8000000.ethernet07:55:120
4104447996545,13cyclictest231ktimers/107:35:141
4104447996545,13cyclictest231ktimers/107:35:131
4104446996538,23cyclictest20650irq/252-8000000.ethernet09:15:150
4104446996537,24cyclictest20650irq/252-8000000.ethernet10:55:240
4104446996537,24cyclictest20650irq/252-8000000.ethernet10:55:240
4104446996536,26cyclictest20650irq/252-8000000.ethernet12:15:220
4104446996536,24cyclictest20650irq/252-8000000.ethernet08:25:140
410444699642,3cyclictest4148400-21diskstats11:25:160
4104446996336,23cyclictest20650irq/252-8000000.ethernet10:50:240
4104446996335,23cyclictest20650irq/252-8000000.ethernet11:20:150
410444699631,6cyclictest4125409-21df09:10:170
4104446996313,17cyclictest4122515-21apt-get08:55:010
4104446996227,32cyclictest4155695-21users12:05:280
4104446996219,37cyclictest0-21swapper/008:10:200
410444699621,4cyclictest4119113-21users08:30:280
4104446996134,24cyclictest20650irq/252-8000000.ethernet11:35:250
4104446996034,23cyclictest20650irq/252-8000000.ethernet07:50:000
4104446996030,24cyclictest4138945-21apt10:30:110
410444699596,10cyclictest4138709-21head10:25:260
4104446995934,21cyclictest20650irq/252-8000000.ethernet08:05:160
4104446995930,26cyclictest20850irq/208-8000000.ethernet10:40:170
410444699592,3cyclictest4105912-21perl07:15:220
410444699591,9cyclictest4133671-21munin-run09:59:590
410444699591,55cyclictest0-21swapper/011:30:290
4104446995835,20cyclictest20650irq/252-8000000.ethernet12:00:290
4104446995832,22cyclictest20650irq/252-8000000.ethernet09:50:090
4104446995830,23cyclictest0-21swapper/011:10:290
4104446995734,19cyclictest20650irq/252-8000000.ethernet07:40:120
410444699573,13cyclictest4117382-21tail08:20:290
4104446995727,27cyclictest0-21swapper/010:10:260
4104446995629,23cyclictest4128560-21latency_hist09:30:010
4104446995629,23cyclictest4128560-21latency_hist09:30:010
4104446995628,24cyclictest4156433-21threads12:10:260
4104446995625,28cyclictest20850irq/208-8000000.ethernet10:20:170
4104447995547,4cyclictest4160033-21munin-plugin-st12:35:001
4104446995537,13cyclictest20650irq/252-8000000.ethernet11:40:170
4104446995535,15cyclictest4129824-21sh09:35:210
4104446995535,15cyclictest4129824-21sh09:35:210
4104446995534,17cyclictest20650irq/252-8000000.ethernet11:50:160
4104446995529,23cyclictest4160082-21ls12:35:010
410444699551,3cyclictest4146826-21perl11:15:210
410444999541,10cyclictest0-21swapper/210:25:162
4104446995428,23cyclictest4127544-21mailstats09:20:260
410444699542,4cyclictest0-21swapper/007:40:010
410444699542,4cyclictest0-21swapper/007:40:010
410444699541,4cyclictest4140342-21grep10:35:270
410444699541,49cyclictest0-21swapper/007:10:000
4104446995412,4cyclictest0-21swapper/009:40:280
410444699537,5cyclictest0-21swapper/008:35:250
4104446995328,21cyclictest4151898-21ssh11:45:210
410444699531,49cyclictest0-21swapper/009:30:280
4104446995236,13cyclictest0-21swapper/007:20:290
4104446995231,18cyclictest20650irq/252-8000000.ethernet08:45:270
4104446995226,23cyclictest4131959-21/usr/sbin/munin09:45:290
4104446995217,29cyclictest0-21swapper/007:25:260
410444699511,3cyclictest4108352-21diskstats07:30:190
4104449994941,5cyclictest4142125-21munin-plugin-st10:50:012
4104449994739,4cyclictest4127682-21munin-plugin-st09:25:002
4104449994738,5cyclictest4118303-21munin-plugin-st08:30:002
4104447994730,11cyclictest0-21swapper/109:25:281
4104447994730,11cyclictest0-21swapper/109:25:281
4104447994531,9cyclictest4140381-21grep10:35:291
4104449994432,8cyclictest4119982-21sendmail08:40:002
4104447994431,9cyclictest0-21swapper/108:10:271
4104447994429,10cyclictest0-21swapper/108:05:231
4104447994336,5cyclictest231ktimers/107:30:181
4104447994334,5cyclictest0-21swapper/112:20:281
4104447994334,5cyclictest0-21swapper/112:20:281
4104447994332,7cyclictest0-21swapper/111:45:001
410444999427,27cyclictest311ktimers/207:35:002
4104449994232,6cyclictest0-21swapper/211:00:002
4104449994232,6cyclictest0-21swapper/210:59:592
4104449994231,8cyclictest0-21swapper/210:40:302
4104447994234,4cyclictest4142962-21munin-plugin-st10:55:001
410444799423,16cyclictest24-21ksoftirqd/110:15:011
4104447994227,9cyclictest0-21swapper/109:05:001
4104447994227,10cyclictest0-21swapper/108:50:201
410444799421,5cyclictest0-21swapper/110:50:021
4104449994127,10cyclictest0-21swapper/209:35:272
4104449994127,10cyclictest0-21swapper/209:35:262
410444999412,4cyclictest0-21swapper/207:25:012
4104447994130,6cyclictest0-21swapper/111:45:291
4104449994031,5cyclictest4115705-21grep08:10:262
4104449994028,8cyclictest0-21swapper/208:55:002
4104447994031,6cyclictest0-21swapper/112:04:591
4104447994026,10cyclictest231ktimers/111:20:111
4104449993933,3cyclictest4139586-21munin-run10:35:012
4104449993931,4cyclictest0-21swapper/208:45:262
4104449993922,13cyclictest311ktimers/212:35:152
410444799393,21cyclictest24-21ksoftirqd/108:25:101
4104447993929,5cyclictest0-21swapper/110:00:281
4104447993928,7cyclictest4144912-21cat11:05:011
4104447993927,8cyclictest0-21swapper/110:15:301
4104447993927,8cyclictest0-21swapper/110:15:301
4104447993926,9cyclictest231ktimers/110:30:101
4104447993922,9cyclictest0-21swapper/109:55:271
410444999388,2cyclictest0-21swapper/211:00:272
4104449993830,3cyclictest0-21swapper/212:05:282
4104449993829,4cyclictest0-21swapper/208:15:252
4104449993828,5cyclictest4129227-21ptp4l09:30:262
4104449993828,5cyclictest0-21swapper/207:40:202
4104449993827,7cyclictest311ktimers/212:20:112
4104449993827,7cyclictest311ktimers/212:20:112
4104449993826,8cyclictest4125077-21grep09:05:292
4104447993829,5cyclictest0-21swapper/112:10:281
4104447993827,7cyclictest0-21swapper/111:25:281
4104447993826,8cyclictest4138104-21/usr/sbin/munin10:25:151
4104447993826,8cyclictest0-21swapper/110:05:271
4104447993824,7cyclictest4153140-21grep11:50:281
4104447993824,6cyclictest0-21swapper/112:35:281
4104447993818,10cyclictest0-21swapper/112:20:011
4104449993730,4cyclictest0-21swapper/208:00:002
4104449993727,6cyclictest4148906-21grep11:25:282
4104449993726,6cyclictest4107195-21grep07:20:282
4104449993722,10cyclictest0-21swapper/212:30:002
4104447993727,6cyclictest0-21swapper/109:35:291
4104447993727,6cyclictest0-21swapper/109:35:281
4104447993724,9cyclictest0-21swapper/111:10:201
4104447993720,10cyclictest0-21swapper/108:05:021
4104449993627,4cyclictest0-21swapper/209:30:012
4104449993627,4cyclictest0-21swapper/209:30:002
4104447993626,7cyclictest4126731-21grep09:15:281
4104447993625,6cyclictest4105206-21grep07:10:291
410444799361,4cyclictest0-21swapper/111:20:011
4104449993527,5cyclictest4136999-21grep10:15:292
4104449993527,5cyclictest4136999-21grep10:15:292
4104449993526,5cyclictest4159933-21grep12:30:262
4104449993526,5cyclictest4135281-21grep10:05:272
4104449993525,7cyclictest4110818-21/usr/sbin/munin07:45:252
4104449993522,9cyclictest311ktimers/208:05:102
4104449993519,11cyclictest311ktimers/211:50:122
4104449993519,11cyclictest311ktimers/207:15:132
410444999351,5cyclictest4149697-21unixbench_multi11:30:282
410444999351,2cyclictest0-21swapper/208:40:022
410444999351,2cyclictest0-21swapper/208:40:022
4104447993526,5cyclictest4131110-21grep09:40:271
4104447993523,8cyclictest0-21swapper/107:50:291
4104447993523,8cyclictest0-21swapper/107:50:291
4104447993523,7cyclictest0-21swapper/109:20:271
410444799351,29cyclictest0-21swapper/108:35:271
4104449993427,4cyclictest0-21swapper/212:15:012
4104449993426,4cyclictest0-21swapper/209:15:012
4104449993420,9cyclictest4131043-21grep09:40:272
4104447993425,6cyclictest4120765-21grep08:40:281
4104447993425,6cyclictest4120765-21grep08:40:281
4104449993325,5cyclictest0-21swapper/208:55:192
4104449993322,8cyclictest0-21swapper/208:20:262
4104449993314,12cyclictest0-21swapper/207:15:012
4104447993325,4cyclictest0-21swapper/111:40:011
4104447993324,5cyclictest0-21swapper/107:20:281
4104447993323,6cyclictest0-21swapper/110:55:281
4104447993323,6cyclictest0-21swapper/110:55:281
410444799331,3cyclictest0-21swapper/109:00:001
4104449993224,4cyclictest0-21swapper/212:00:282
4104449993222,7cyclictest0-21swapper/210:00:272
4104449993222,7cyclictest0-21swapper/209:45:202
410444999321,4cyclictest4157064-21meminfo12:15:242
4104447993225,4cyclictest0-21swapper/111:05:271
4104447993224,4cyclictest0-21swapper/110:45:011
4104447993223,6cyclictest231ktimers/112:25:181
4104447993221,5cyclictest0-21swapper/109:50:001
4104447993220,9cyclictest231ktimers/108:20:121
4104447993220,7cyclictest0-21swapper/108:30:281
4104449993124,4cyclictest0-21swapper/208:30:192
4104449993123,4cyclictest0-21swapper/211:15:292
4104449993122,6cyclictest4112260-21grep07:50:292
4104449993122,6cyclictest4112260-21grep07:50:292
4104449993122,6cyclictest0-21swapper/211:20:282
4104449993122,4cyclictest0-21swapper/210:35:272
410444999311,28cyclictest0-21swapper/207:35:282
410444999311,28cyclictest0-21swapper/207:35:272
410444999311,25cyclictest4153897-21find11:55:272
4104447993122,4cyclictest0-21swapper/107:15:231
4104447993120,7cyclictest4149745-21grep11:30:281
4104447993120,7cyclictest0-21swapper/108:15:281
4104447993114,4cyclictest167450irq/126-8000000.ethernet-tx111:55:201
410444999308,16cyclictest167550irq/134-8000000.ethernet-tx210:21:462
4104449993023,5cyclictest0-21swapper/211:05:212
4104449993021,7cyclictest4146406-21sshd11:11:452
4104449993021,5cyclictest0-21swapper/209:00:282
410444999301,24cyclictest0-21swapper/211:45:102
4104449993010,14cyclictest167550irq/134-8000000.ethernet-tx209:55:172
4104447993022,4cyclictest0-21swapper/107:45:181
4104447993020,7cyclictest0-21swapper/109:50:271
4104447993019,7cyclictest0-21swapper/107:25:281
4104447993017,7cyclictest0-21swapper/110:20:161
4104449992918,7cyclictest0-21swapper/210:50:232
4104449992917,6cyclictest4132718-21grep09:50:272
4104447992921,4cyclictest0-21swapper/107:40:201
4104447992920,5cyclictest0-21swapper/109:05:181
4104447992918,6cyclictest0-21swapper/107:55:201
4104449992823,3cyclictest0-21swapper/211:44:592
4104449992820,5cyclictest0-21swapper/210:10:282
410444999281,25cyclictest0-21swapper/208:02:482
4104447992819,6cyclictest0-21swapper/108:45:271
410444999271,24cyclictest0-21swapper/211:39:232
4104447992719,6cyclictest4129001-21dropbear09:30:211
4104449992619,3cyclictest0-21swapper/209:15:272
4104447992416,6cyclictest231ktimers/109:10:191
410444799239,8cyclictest0-21swapper/107:10:001
4104449992216,3cyclictest4104411-21latency_hist07:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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