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2026-08-19 - 12:54

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 Wed Aug 19, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4032112997871,4cyclictest311ktimers/220:40:012
4032111997811,24cyclictest0-21swapper/100:05:231
4032111997516,25cyclictest0-21swapper/123:00:021
4032111997511,26cyclictest0-21swapper/123:35:021
4032111996440,16cyclictest0-21swapper/123:05:111
4032111996413,18cyclictest4055719-21/usr/sbin/munin21:25:191
4032111996410,15cyclictest4048035-21/usr/sbin/munin20:40:201
403210899611,56cyclictest0-21swapper/021:50:110
4032111996041,14cyclictest0-21swapper/123:50:121
403210899601,46cyclictest0-21swapper/020:05:160
4032111995941,12cyclictest0-21swapper/119:25:101
4032111995938,14cyclictest0-21swapper/122:20:141
4032111995936,10cyclictest0-21swapper/120:15:151
4032111995930,25cyclictest0-21swapper/122:40:011
4032111995841,11cyclictest0-21swapper/119:45:141
4032111995840,14cyclictest1283-21cron20:15:011
4032111995839,13cyclictest0-21swapper/120:20:121
4032111995835,12cyclictest0-21swapper/123:10:141
4032111995835,12cyclictest0-21swapper/123:10:141
403211299572,34cyclictest0-21swapper/222:35:012
403211299572,34cyclictest0-21swapper/222:35:012
4032111995740,10cyclictest0-21swapper/123:15:141
4032111995739,12cyclictest0-21swapper/119:50:131
4032111995735,11cyclictest0-21swapper/123:30:161
4032111995722,29cyclictest0-21swapper/121:00:291
4032111995722,29cyclictest0-21swapper/121:00:281
4032111995640,10cyclictest0-21swapper/100:30:121
4032111995636,15cyclictest0-21swapper/122:45:121
4032111995634,13cyclictest4034067-21cat19:20:001
4032111995627,14cyclictest0-21swapper/122:55:121
4032111995627,14cyclictest0-21swapper/122:55:121
4032111995610,17cyclictest0-21swapper/121:20:011
4032111995541,11cyclictest0-21swapper/121:55:151
4032111995540,9cyclictest0-21swapper/121:10:151
4032111995539,9cyclictest0-21swapper/121:35:001
4032111995538,13cyclictest0-21swapper/119:10:131
4032111995538,11cyclictest0-21swapper/121:05:121
4032111995537,6cyclictest0-21swapper/120:30:121
4032111995536,13cyclictest0-21swapper/121:45:131
403211199551,18cyclictest0-21swapper/122:05:001
403211199550,26cyclictest0-21swapper/100:00:011
4032111995444,6cyclictest4086288-21apt-get00:25:171
4032111995437,11cyclictest0-21swapper/119:55:141
4032111995437,11cyclictest0-21swapper/119:55:141
4032111995436,14cyclictest0-21swapper/119:20:121
4032111995435,13cyclictest4060139-21/usr/sbin/munin21:50:211
4032111995435,13cyclictest0-21swapper/119:35:131
4032111995434,15cyclictest0-21swapper/121:35:141
4032111995433,9cyclictest0-21swapper/120:00:131
4032111995433,13cyclictest4076364-21/usr/sbin/munin23:25:241
403210899541,47cyclictest0-21swapper/021:40:110
403210899541,47cyclictest0-21swapper/021:40:100
4032111995338,8cyclictest0-21swapper/123:20:121
4032111995337,12cyclictest0-21swapper/123:55:141
4032111995337,10cyclictest0-21swapper/120:25:141
4032111995335,12cyclictest4049359-21/usr/sbin/munin20:45:271
4032111995330,10cyclictest0-21swapper/100:10:141
4032111995244,4cyclictest4085447-21apt-get00:20:151
4032111995244,4cyclictest4085447-21apt-get00:20:151
4032111995237,9cyclictest0-21swapper/122:25:161
4032111995235,8cyclictest4050879-21/usr/sbin/munin20:55:241
4032111995234,12cyclictest4062578-21/usr/sbin/munin22:05:201
4032111995234,11cyclictest4088183-21/usr/sbin/munin00:35:211
4032111995233,12cyclictest0-21swapper/122:10:121
4032111995232,10cyclictest0-21swapper/120:50:141
4032111995231,11cyclictest0-21swapper/122:50:131
4032111995229,11cyclictest0-21swapper/122:15:141
4032112995139,7cyclictest4075014-21munin-plugin-st23:20:002
4032111995137,9cyclictest0-21swapper/121:20:181
4032111995136,12cyclictest4037723-21/usr/sbin/munin19:40:141
4032111995134,11cyclictest0-21swapper/123:45:121
4032111995133,12cyclictest4078800-21/usr/sbin/munin23:40:201
4032111995133,12cyclictest4078800-21/usr/sbin/munin23:40:191
4032108995141,5cyclictest0-21swapper/021:15:010
4032111995044,3cyclictest4047180-21apt-get20:35:141
4032111995038,8cyclictest4058316-21/usr/sbin/munin21:40:171
4032111995038,8cyclictest4058316-21/usr/sbin/munin21:40:161
4032111995035,10cyclictest0-21swapper/122:40:141
4032111995035,10cyclictest0-21swapper/120:05:191
4032111994938,7cyclictest4084587-21/usr/sbin/munin00:15:131
4032111994938,4cyclictest4036391-21/usr/sbin/munin19:30:301
4032111994935,9cyclictest4066686-21/usr/sbin/munin22:30:111
4032111994935,9cyclictest4066686-21/usr/sbin/munin22:30:111
4032108994942,4cyclictest167350irq/118-8000000.ethernet-tx019:20:300
4032108994939,6cyclictest4043383-21grep20:10:300
4032108994835,9cyclictest0-21swapper/019:35:010
4032108994830,15cyclictest167350irq/118-8000000.ethernet-tx022:35:220
4032112994735,7cyclictest0-21swapper/223:30:012
4032108994738,5cyclictest0-21swapper/022:25:150
4032108994736,5cyclictest4050229-21ptp4l-jitter20:50:280
4032108994735,9cyclictest4086944-21munin-plugin-st00:30:000
4032108994640,2cyclictest0-21swapper/020:55:130
4032108994636,5cyclictest4080110-21head23:45:320
403210899462,40cyclictest4040786-21tail19:55:300
403210899462,40cyclictest4040786-21tail19:55:300
4032112994537,5cyclictest4051177-21unixbench_multi20:55:322
4032108994538,4cyclictest20650irq/252-8000000.ethernet00:05:000
4032108994538,4cyclictest167350irq/118-8000000.ethernet-tx020:00:220
4032108994437,4cyclictest167350irq/118-8000000.ethernet-tx020:15:190
403210899441,39cyclictest4086031-21grep00:20:280
403210899441,39cyclictest4086031-21grep00:20:270
4032111994319,20cyclictest0-21swapper/119:10:011
4032108994328,9cyclictest0-21swapper/021:45:320
4032112994227,9cyclictest0-21swapper/221:30:212
4032108994235,4cyclictest20650irq/252-8000000.ethernet23:20:190
4032108994235,4cyclictest20650irq/252-8000000.ethernet22:55:000
4032108994235,4cyclictest20650irq/252-8000000.ethernet22:00:210
4032108994235,4cyclictest20650irq/252-8000000.ethernet19:15:180
4032108994234,5cyclictest20850irq/208-8000000.ethernet21:30:000
4032108994232,7cyclictest4046153-21latency_hist20:30:020
4032108994216,19cyclictest4032105-21cyclictest22:15:010
403210899421,5cyclictest0-21swapper/020:40:010
4032112994134,4cyclictest4085233-21grep00:20:002
4032112994131,7cyclictest4042543-21grep20:05:342
4032112994127,8cyclictest0-21swapper/222:00:302
4032108994136,3cyclictest0-21swapper/023:35:250
4032108994134,4cyclictest4065756-21sed22:25:010
403210899412,4cyclictest4049018-21df20:45:150
4032112994034,3cyclictest4086027-21unixbench_singl00:20:272
4032112994034,3cyclictest4086027-21unixbench_singl00:20:272
4032112994030,5cyclictest0-21swapper/223:40:282
4032112994030,5cyclictest0-21swapper/223:40:282
4032112994030,5cyclictest0-21swapper/219:50:292
4032112994023,9cyclictest0-21swapper/200:00:242
4032112994022,9cyclictest0-21swapper/219:10:202
4032108994033,4cyclictest20650irq/252-8000000.ethernet22:15:240
4032108994033,4cyclictest20650irq/252-8000000.ethernet21:30:190
4032108994033,4cyclictest0-21swapper/022:45:160
4032108994027,8cyclictest0-21swapper/021:10:020
403210899401,37cyclictest4085087-21mailstats00:15:290
4032112993931,5cyclictest4074076-21grep23:10:292
4032112993931,5cyclictest4074076-21grep23:10:292
4032112993927,8cyclictest0-21swapper/221:49:592
4032108993933,3cyclictest20650irq/252-8000000.ethernet20:20:210
4032108993932,4cyclictest20650irq/252-8000000.ethernet23:15:290
4032108993931,4cyclictest20650irq/252-8000000.ethernet00:35:230
4032108993929,6cyclictest4058033-21cron21:40:000
4032108993928,7cyclictest0-21swapper/000:05:170
4032108993927,9cyclictest0-21swapper/023:30:270
403210899391,5cyclictest4039467-21df_inode19:50:180
403210899391,35cyclictest4032374-21cut19:10:200
403211299386,23cyclictest4072686-21/usr/sbin/munin23:05:182
4032112993830,4cyclictest0-21swapper/220:45:302
4032112993827,7cyclictest0-21swapper/219:35:292
4032112993825,7cyclictest4046786-21grep20:30:282
4032108993832,3cyclictest20650irq/252-8000000.ethernet21:55:130
4032108993832,3cyclictest20650irq/252-8000000.ethernet21:00:200
4032108993832,3cyclictest20650irq/252-8000000.ethernet21:00:200
403210899381,35cyclictest0-21swapper/023:40:290
403210899381,35cyclictest0-21swapper/023:40:290
403210899381,35cyclictest0-21swapper/022:55:160
403210899381,35cyclictest0-21swapper/022:55:160
403210899381,35cyclictest0-21swapper/000:30:220
4032112993727,7cyclictest4081862-21sendmail00:00:002
4032112993727,6cyclictest4086890-21grep00:25:292
4032112993727,6cyclictest4060512-21grep21:50:292
4032112993727,6cyclictest4043349-21grep20:10:302
4032112993727,6cyclictest0-21swapper/223:05:002
4032112993724,8cyclictest0-21swapper/219:20:282
4032112993724,8cyclictest0-21swapper/200:05:332
4032112993724,6cyclictest4048593-21grep20:40:302
4032108993731,3cyclictest20650irq/252-8000000.ethernet22:40:110
4032108993730,4cyclictest20850irq/208-8000000.ethernet22:30:210
4032108993730,4cyclictest20850irq/208-8000000.ethernet22:30:210
4032108993730,4cyclictest20850irq/208-8000000.ethernet19:40:220
4032108993730,4cyclictest20650irq/252-8000000.ethernet23:25:220
4032108993729,5cyclictest0-21swapper/000:10:180
403210899371,3cyclictest4046411-21lsblk20:30:210
403210899371,34cyclictest0-21swapper/023:50:130
403210899371,34cyclictest0-21swapper/021:15:160
403210899371,34cyclictest0-21swapper/020:40:280
403210899371,2cyclictest0-21swapper/023:10:020
403210899371,2cyclictest0-21swapper/023:10:010
403210899371,2cyclictest0-21swapper/019:30:000
4032112993629,4cyclictest0-21swapper/223:40:002
403211299361,29cyclictest0-21swapper/222:45:202
4032108993616,18cyclictest0-21swapper/022:05:140
403210899361,33cyclictest0-21swapper/023:09:120
4032112993527,4cyclictest0-21swapper/219:30:302
4032112993526,5cyclictest4045030-21grep20:20:302
4032112993526,4cyclictest0-21swapper/220:30:022
4032112993523,9cyclictest0-21swapper/222:55:212
4032112993523,9cyclictest0-21swapper/222:55:212
4032108993527,5cyclictest0-21swapper/019:35:290
4032108993526,5cyclictest0-21swapper/023:00:290
4032108993526,5cyclictest0-21swapper/019:45:310
4032112993426,5cyclictest0-21swapper/222:20:302
4032112993425,5cyclictest30-21rcuc/223:50:282
4032112993425,5cyclictest0-21swapper/221:10:292
4032112993425,5cyclictest0-21swapper/219:25:262
4032112993424,6cyclictest4063880-21grep22:10:312
4032112993326,4cyclictest0-21swapper/222:40:272
4032112993326,4cyclictest0-21swapper/200:40:002
4032112993324,4cyclictest0-21swapper/222:30:012
403210899331,30cyclictest0-21swapper/023:55:430
4032112993223,5cyclictest4050381-21grep20:50:302
4032112993222,7cyclictest0-21swapper/219:15:302
4032112993214,4cyclictest311ktimers/221:15:202
403210899321,28cyclictest4054885-21apt-get21:20:150
4032112993125,4cyclictest0-21swapper/222:50:192
4032112993122,5cyclictest0-21swapper/221:05:002
4032112993122,5cyclictest0-21swapper/221:05:002
4032112993023,4cyclictest4075757-21grep23:20:272
4032112993022,5cyclictest4080134-21grep23:45:312
4032112993020,7cyclictest4030375-21kworker/u8:3+rpciod19:44:252
4032112993017,9cyclictest0-21swapper/221:25:022
403211299301,27cyclictest4067614-21/usr/sbin/munin22:35:232
403210899309,11cyclictest0-21swapper/019:10:010
403211299298,13cyclictest4076904-21/usr/sbin/munin23:30:192
4032112992921,6cyclictest4064697-21grep22:15:302
4032112992921,4cyclictest4041650-21grep20:00:322
4032112992917,7cyclictest0-21swapper/220:20:012
4032112992916,9cyclictest0-21swapper/221:05:202
4032112992915,10cyclictest311ktimers/222:05:132
403211299291,26cyclictest0-21swapper/200:30:222
4032112992824,3cyclictest0-21swapper/221:35:172
4032112992819,6cyclictest4039008-21sendmail_mailqu19:45:292
4032112992818,7cyclictest0-21swapper/221:40:282
4032112992818,7cyclictest0-21swapper/221:40:282
403211299281,25cyclictest0-21swapper/221:25:262
4032112992722,2cyclictest0-21swapper/219:10:012
4032112992718,7cyclictest1660-21snmpd21:56:262
4032112992518,4cyclictest0-21swapper/200:10:262
4032112992415,4cyclictest0-21swapper/219:55:212
4032112992415,4cyclictest0-21swapper/219:55:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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