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2026-05-21 - 13:34

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 Thu May 21, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146181999321,65cyclictest0-21swapper/019:55:290
146184997720,38cyclictest197605-21kworker/u8:3+events_power_efficient00:10:271
146184997240,28cyclictest0-21swapper/120:45:001
146184997024,40cyclictest0-21swapper/122:25:011
146184997021,40cyclictest0-21swapper/121:00:011
14618499666,3cyclictest0-21swapper/123:50:011
146185996558,4cyclictest311ktimers/219:55:192
146184996118,38cyclictest0-21swapper/121:20:291
146184996053,5cyclictest231ktimers/123:15:211
146184996021,31cyclictest0-21swapper/120:30:281
14618499592,11cyclictest201088-21latency_hist00:30:001
14618499591,15cyclictest183392-21apt-get22:45:151
14618199591,21cyclictest20850irq/208-8000000.ethernet22:45:010
146184995817,33cyclictest0-21swapper/121:15:221
146185995750,4cyclictest195929-21munin-plugin-st00:00:002
14618499577,8cyclictest0-21swapper/119:25:021
146184995721,32cyclictest178309-21/usr/sbin/munin22:15:251
146184995721,28cyclictest0-21swapper/120:35:271
146185995643,6cyclictest0-21swapper/219:30:182
146184995620,27cyclictest0-21swapper/120:45:261
146184995616,32cyclictest0-21swapper/122:00:281
146184995616,32cyclictest0-21swapper/121:05:171
14618499561,49cyclictest0-21swapper/120:50:231
146184995614,33cyclictest0-21swapper/121:55:011
146184995610,9cyclictest0-21swapper/119:45:281
146184995610,9cyclictest0-21swapper/119:45:281
146184995523,28cyclictest0-21swapper/121:00:191
146184995518,30cyclictest0-21swapper/121:45:011
146184995518,30cyclictest0-21swapper/121:45:001
146184995516,30cyclictest0-21swapper/122:35:281
146184995514,34cyclictest0-21swapper/122:05:291
146184995511,36cyclictest0-21swapper/119:15:271
146181995547,5cyclictest193319-21munin-plugin-st23:45:000
146184995418,30cyclictest0-21swapper/122:30:201
146184995413,6cyclictest0-21swapper/120:25:231
146184995413,4cyclictest0-21swapper/123:05:271
146184995413,4cyclictest0-21swapper/123:05:271
146184995320,27cyclictest0-21swapper/123:30:191
146184995222,26cyclictest193312-21cron23:45:001
146184995222,25cyclictest1660-21snmpd20:15:261
146184995212,6cyclictest0-21swapper/100:05:291
146184995212,3cyclictest0-21swapper/123:10:161
146181995244,4cyclictest161643-21unixbench_singl20:35:280
14618199521,18cyclictest20850irq/208-8000000.ethernet00:20:000
14618499516,7cyclictest0-21swapper/121:25:271
146184995120,27cyclictest274-21systemd-journal19:50:151
146184995116,27cyclictest0-21swapper/121:55:261
14618499511,45cyclictest0-21swapper/119:10:141
146184995113,29cyclictest0-21swapper/121:40:011
146185995038,6cyclictest184831-21grep22:50:282
14618499506,9cyclictest0-21swapper/119:55:291
14618499506,11cyclictest0-21swapper/119:40:271
14618499505,11cyclictest0-21swapper/119:25:271
14618499504,12cyclictest0-21swapper/122:25:291
146184995015,5cyclictest0-21swapper/100:20:281
146184995015,5cyclictest0-21swapper/100:20:281
14618499501,13cyclictest150855-21apt-get19:35:161
146181995037,9cyclictest0-21swapper/000:40:010
14618499499,8cyclictest0-21swapper/122:40:281
14618499497,9cyclictest0-21swapper/123:55:001
14618499496,9cyclictest0-21swapper/120:10:281
14618499493,12cyclictest192404-21head23:35:281
146184994911,4cyclictest0-21swapper/121:10:271
146184994910,6cyclictest0-21swapper/120:20:291
14618499489,6cyclictest0-21swapper/100:30:271
146184994816,26cyclictest0-21swapper/100:40:001
146184994812,3cyclictest0-21swapper/123:25:161
146184994811,6cyclictest0-21swapper/119:30:171
146181994840,6cyclictest171939-21sendmail21:40:000
146184994720,23cyclictest0-21swapper/122:50:271
146184994715,26cyclictest0-21swapper/120:10:011
146184994715,26cyclictest0-21swapper/100:00:011
146184994713,30cyclictest0-21swapper/121:50:011
146184994712,5cyclictest0-21swapper/123:00:281
146184994710,6cyclictest189883-21unixbench_singl23:20:271
146185994639,4cyclictest188238-21munin-plugin-st23:15:002
146185994637,5cyclictest159976-21grep20:25:282
146184994620,20cyclictest0-21swapper/122:10:261
146184994613,5cyclictest196728-21head00:00:291
146185994531,8cyclictest151458-21grep19:35:292
146181994531,8cyclictest0-21swapper/023:15:300
146185994434,7cyclictest200060-21grep00:20:272
146185994434,7cyclictest200060-21grep00:20:272
14618499446,9cyclictest0-21swapper/100:15:201
14618499442,20cyclictest0-21swapper/121:30:011
146184994412,4cyclictest0-21swapper/120:00:211
146181994437,4cyclictest20650irq/252-8000000.ethernet21:20:000
14618199441,41cyclictest0-21swapper/023:10:010
14618199441,41cyclictest0-21swapper/023:10:010
146181994413,23cyclictest195285-21/usr/sbin/munin23:55:200
146185994331,8cyclictest0-21swapper/219:45:002
146185994326,9cyclictest0-21swapper/219:15:052
14618199432,6cyclictest163666-21df20:50:140
146185994234,5cyclictest0-21swapper/219:30:002
146185994231,6cyclictest0-21swapper/222:00:282
14618599422,36cyclictest158638-21fschecks_count20:20:202
146181994230,8cyclictest0-21swapper/020:40:320
146181994229,9cyclictest0-21swapper/021:55:270
14618199422,5cyclictest175857-21df_inode22:00:170
146185994130,8cyclictest0-21swapper/200:10:002
146185994129,8cyclictest0-21swapper/223:50:022
146185994128,7cyclictest0-21swapper/223:35:282
146185994127,9cyclictest0-21swapper/219:50:262
14618499415,10cyclictest0-21swapper/119:10:011
146181994135,4cyclictest0-21swapper/022:15:010
146181994130,8cyclictest0-21swapper/022:15:280
146181994130,5cyclictest20850irq/208-8000000.ethernet21:45:010
146181994130,5cyclictest20850irq/208-8000000.ethernet21:45:010
146181994128,10cyclictest0-21swapper/021:20:290
14618199412,4cyclictest147330-21memory19:15:040
146185994031,6cyclictest194602-21grep23:50:202
146185994030,5cyclictest0-21swapper/219:10:212
146185994028,7cyclictest166781-21grep21:05:292
146185994026,9cyclictest0-21swapper/221:35:292
14618599402,29cyclictest191511-21grep23:30:282
146181994028,8cyclictest0-21swapper/021:45:280
146181994028,7cyclictest0-21swapper/020:25:200
146181994025,9cyclictest198379-21grep00:10:270
14618199402,4cyclictest157758-21df_inode20:15:170
14618199401,4cyclictest183567-21perl22:45:210
14618199401,3cyclictest194153-21apt-get23:50:030
14618199401,37cyclictest0-21swapper/020:10:240
14618199401,35cyclictest151302-21sendmail_mailqu19:35:280
146185993926,8cyclictest0-21swapper/200:25:282
146185993926,7cyclictest0-21swapper/220:00:292
146184993913,3cyclictest0-21swapper/122:55:251
146181993932,4cyclictest20850irq/208-8000000.ethernet00:35:010
146181993932,4cyclictest20650irq/252-8000000.ethernet20:45:280
146181993928,8cyclictest0-21swapper/022:35:280
146181993928,8cyclictest0-21swapper/019:10:240
146181993927,7cyclictest0-21swapper/019:50:260
146181993927,7cyclictest0-21swapper/019:25:280
14618199392,3cyclictest170750-21meminfo21:30:300
14618199391,5cyclictest0-21swapper/019:25:010
14618199391,4cyclictest0-21swapper/019:45:140
14618199391,4cyclictest0-21swapper/019:45:130
14618199391,35cyclictest0-21swapper/000:25:010
14618199391,35cyclictest0-21swapper/000:25:010
146185993828,6cyclictest174598-21grep21:50:282
146185993825,9cyclictest153139-21grep19:45:282
146185993825,9cyclictest153139-21grep19:45:282
146181993829,6cyclictest0-21swapper/023:35:280
146181993829,5cyclictest0-21swapper/023:45:270
146181993828,7cyclictest0-21swapper/020:20:290
146181993827,8cyclictest0-21swapper/021:50:280
146181993826,9cyclictest0-21swapper/023:10:290
14618199381,4cyclictest0-21swapper/023:05:000
14618199381,3cyclictest155864-21cat20:05:020
14618199381,3cyclictest0-21swapper/021:30:010
146185993730,4cyclictest0-21swapper/220:05:192
146185993728,6cyclictest189466-21grep23:20:202
146185993728,5cyclictest165032-21grep20:55:282
146185993728,5cyclictest0-21swapper/220:50:252
146185993725,7cyclictest0-21swapper/220:15:272
146181993725,9cyclictest185591-21grep22:55:270
146181993722,11cyclictest15-21rcuc/020:30:120
146181993719,12cyclictest0-21swapper/022:35:000
14618199371,7cyclictest1261-21rs:main0
14618199371,34cyclictest0-21swapper/022:24:250
14618199371,34cyclictest0-21swapper/000:00:170
14618199371,2cyclictest0-21swapper/022:55:010
146185993628,5cyclictest0-21swapper/200:15:262
146185993627,5cyclictest0-21swapper/221:45:172
146185993625,7cyclictest171018-21grep21:30:332
146185993611,18cyclictest167550irq/134-8000000.ethernet-tx200:35:162
146181993627,5cyclictest0-21swapper/021:05:270
14618199361,3cyclictest0-21swapper/019:40:140
14618199361,3cyclictest0-21swapper/000:25:110
14618199361,33cyclictest0-21swapper/000:05:120
14618199361,2cyclictest0-21swapper/023:30:010
14618199360,2cyclictest200-21pr/ttyS222:10:000
146185993527,5cyclictest179723-21grep22:20:282
146185993527,4cyclictest0-21swapper/222:25:212
146185993526,5cyclictest0-21swapper/223:00:272
146185993526,5cyclictest0-21swapper/222:35:012
146185993525,5cyclictest0-21swapper/220:50:002
146185993524,8cyclictest178967-21sendmail22:19:592
146185993524,8cyclictest0-21swapper/223:40:272
146185993523,8cyclictest0-21swapper/221:10:252
146185993521,9cyclictest0-21swapper/220:35:272
146181993530,2cyclictest0-21swapper/022:25:310
146181993529,4cyclictest0-21swapper/020:05:270
146181993529,3cyclictest20650irq/252-8000000.ethernet23:20:110
146181993527,6cyclictest0-21swapper/019:10:010
146181993527,4cyclictest167350irq/118-8000000.ethernet-tx021:10:170
146181993523,8cyclictest0-21swapper/019:30:250
14618199351,32cyclictest0-21swapper/023:31:280
146185993427,4cyclictest167550irq/134-8000000.ethernet-tx219:20:162
146185993424,8cyclictest181689-21/usr/sbin/munin22:35:242
146185993424,7cyclictest0-21swapper/221:20:292
146185993422,8cyclictest0-21swapper/220:10:282
146185993422,8cyclictest0-21swapper/200:10:242
146185993325,5cyclictest175471-21grep21:55:272
146185993322,7cyclictest0-21swapper/220:40:322
146185993320,8cyclictest0-21swapper/221:25:272
14618199331,4cyclictest0-21swapper/021:03:560
146185993224,5cyclictest0-21swapper/221:40:292
146185993224,5cyclictest0-21swapper/221:40:292
146185993222,6cyclictest0-21swapper/200:30:272
146185993117,10cyclictest0-21swapper/222:55:192
146185993112,13cyclictest167550irq/134-8000000.ethernet-tx200:03:172
146185993024,4cyclictest167550irq/134-8000000.ethernet-tx222:40:542
146185993021,6cyclictest0-21swapper/222:45:282
146185993021,4cyclictest0-21swapper/223:25:272
146185993021,4cyclictest0-21swapper/222:05:292
146185993020,7cyclictest0-21swapper/219:10:012
146185993016,10cyclictest30-21rcuc/221:00:162
146185992921,4cyclictest0-21swapper/223:15:302
146185992920,5cyclictest0-21swapper/221:15:292
146185992822,4cyclictest0-21swapper/222:10:162
14618599271,24cyclictest0-21swapper/223:05:222
14618599271,24cyclictest0-21swapper/223:05:222
146185992516,7cyclictest160226-21sshd20:30:082
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