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2025-12-25 - 00:43

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 Dec 24, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3773516998032,41cyclictest0-21swapper/112:20:011
3773516997430,6cyclictest0-21swapper/111:20:291
3773516997430,6cyclictest0-21swapper/111:20:281
3773516997236,31cyclictest3796754-21munin-plugin-st09:24:591
3773513997241,4cyclictest167350irq/118-8000000.ethernet-tx008:00:290
3773513997235,5cyclictest0-21swapper/007:10:270
3773516997030,33cyclictest0-21swapper/111:55:281
3773516996923,9cyclictest3795905-21sendmail09:19:591
3773516996730,8cyclictest0-21swapper/110:10:221
3773516996631,30cyclictest0-21swapper/107:15:001
3773513996541,6cyclictest3826306-21uname12:15:260
3773516996326,9cyclictest0-21swapper/108:15:281
3773516996129,6cyclictest0-21swapper/110:35:291
377351699602,29cyclictest0-21swapper/110:25:011
377351899592,25cyclictest311ktimers/208:40:022
377351699581,26cyclictest0-21swapper/111:50:011
377351899575,23cyclictest30-21rcuc/212:20:012
377351699541,3cyclictest0-21swapper/112:15:021
377351699541,2cyclictest0-21swapper/112:30:001
377351399541,38cyclictest0-21swapper/008:10:010
3773518995310,21cyclictest3795251-21/usr/sbin/munin09:15:192
377351399512,33cyclictest0-21swapper/010:00:000
3773513995046,2cyclictest0-21swapper/010:10:010
3773518994836,7cyclictest3783921-21grep08:05:292
3773518994834,7cyclictest0-21swapper/210:10:292
377351899482,15cyclictest32-21ksoftirqd/207:10:012
3773513994840,4cyclictest20850irq/208-8000000.ethernet11:20:000
3773513994840,4cyclictest20850irq/208-8000000.ethernet11:20:000
3773513994832,11cyclictest0-21swapper/007:45:000
3773518994735,6cyclictest3820601-21grep11:40:282
3773516994725,12cyclictest0-21swapper/110:45:271
3773513994725,20cyclictest20650irq/252-8000000.ethernet07:45:160
377351399471,2cyclictest0-21swapper/009:25:120
3773518994632,10cyclictest0-21swapper/207:15:282
3773516994634,8cyclictest0-21swapper/111:00:001
377351399462,4cyclictest3782181-21sed07:55:300
3773518994529,12cyclictest311ktimers/211:50:112
3773518994510,5cyclictest3816521-21gpg-connect-age11:20:002
3773518994510,5cyclictest3816521-21gpg-connect-age11:20:002
377351699451,4cyclictest0-21swapper/112:05:011
3773513994538,4cyclictest0-21swapper/010:25:210
377351399451,4cyclictest0-21swapper/012:35:130
3773518994432,8cyclictest3805928-21grep10:15:282
3773518994431,10cyclictest311ktimers/209:25:152
3773518994412,13cyclictest32-21ksoftirqd/212:10:012
3773513994436,4cyclictest167350irq/118-8000000.ethernet-tx010:40:240
3773518994333,5cyclictest0-21swapper/207:40:282
3773518994332,6cyclictest3821422-21grep11:45:292
3773518994330,6cyclictest3828294-21grep12:25:302
377351399432,3cyclictest0-21swapper/010:20:210
377351399432,39cyclictest0-21swapper/011:00:160
377351399431,4cyclictest0-21swapper/011:25:020
377351399431,4cyclictest0-21swapper/011:25:020
377351399431,37cyclictest0-21swapper/007:20:270
377351399431,35cyclictest0-21swapper/009:05:010
377351899424,17cyclictest3800330-21/usr/sbin/munin09:45:182
3773518994230,9cyclictest311ktimers/211:00:162
3773518994230,9cyclictest311ktimers/210:05:122
3773518994223,11cyclictest0-21swapper/212:00:022
3773518994223,10cyclictest0-21swapper/211:20:282
3773518994223,10cyclictest0-21swapper/211:20:282
3773516994233,5cyclictest3808534-21unixbench_singl10:30:291
3773513994226,11cyclictest0-21swapper/012:10:300
377351399422,4cyclictest3803521-21sed10:05:000
377351399422,37cyclictest0-21swapper/008:20:190
377351399421,7cyclictest3805102-21grep10:10:300
3773518994137,2cyclictest0-21swapper/212:05:012
3773518994127,7cyclictest0-21swapper/208:31:022
3773518994126,7cyclictest0-21swapper/209:30:302
3773518994124,12cyclictest0-21swapper/210:45:252
3773518994122,14cyclictest311ktimers/210:35:142
3773516994129,7cyclictest0-21swapper/109:40:291
377351699411,2cyclictest0-21swapper/109:05:011
377351399418,28cyclictest3812803-21grep10:55:280
3773513994134,4cyclictest167350irq/118-8000000.ethernet-tx011:50:000
377351399412,5cyclictest3826933-21df12:20:170
377351399411,38cyclictest3819224-21df11:35:170
377351399411,38cyclictest3819224-21df11:35:170
3773518994028,9cyclictest311ktimers/208:25:132
3773518994027,8cyclictest0-21swapper/212:09:592
3773518994010,18cyclictest30-21rcuc/210:25:002
3773516994031,5cyclictest0-21swapper/107:55:311
3773516994028,7cyclictest0-21swapper/107:30:291
377351399408,25cyclictest15-21rcuc/008:30:020
3773513994033,4cyclictest0-21swapper/011:30:180
3773513994030,6cyclictest0-21swapper/007:15:290
3773513994026,7cyclictest131ktimers/008:31:100
377351399402,35cyclictest0-21swapper/009:15:010
377351899393,20cyclictest3809625-21/usr/sbin/munin10:40:202
3773518993929,5cyclictest0-21swapper/207:10:172
3773518993928,7cyclictest0-21swapper/207:25:292
3773518993924,9cyclictest0-21swapper/209:55:302
3773518993924,9cyclictest0-21swapper/209:40:012
3773518993924,12cyclictest311ktimers/211:05:112
3773516993923,11cyclictest231ktimers/112:35:161
377351699391,3cyclictest0-21swapper/111:05:011
377351399393,5cyclictest274-21systemd-journal09:39:590
3773513993934,3cyclictest0-21swapper/008:10:180
3773513993932,4cyclictest167350irq/118-8000000.ethernet-tx008:50:280
3773513993932,3cyclictest0-21swapper/007:30:270
377351399392,3cyclictest3817487-21apt11:25:120
3773513993923,14cyclictest0-21swapper/009:15:220
377351399391,4cyclictest3824248-21/usr/sbin/munin12:05:240
377351399391,36cyclictest3811463-21df_inode10:50:180
377351399391,36cyclictest0-21swapper/007:25:160
3773518993830,5cyclictest3792516-21cat09:00:012
3773518993830,5cyclictest3792516-21cat09:00:012
3773518993829,6cyclictest3785670-21cron08:19:592
3773518993829,5cyclictest3794180-21grep09:05:272
3773518993827,8cyclictest0-21swapper/208:40:282
3773518993827,6cyclictest0-21swapper/210:55:002
3773518993824,9cyclictest3829935-21grep12:35:302
3773518993824,10cyclictest311ktimers/209:20:152
3773518993823,12cyclictest311ktimers/208:50:142
377351699384,6cyclictest0-21swapper/110:50:011
3773516993824,6cyclictest0-21swapper/108:55:311
3773516993824,6cyclictest0-21swapper/108:55:311
3773513993831,5cyclictest0-21swapper/011:40:260
3773513993831,4cyclictest0-21swapper/009:05:260
377351399382,5cyclictest3809316-21grep10:35:300
377351399381,4cyclictest0-21swapper/009:35:010
377351399381,35cyclictest0-21swapper/012:25:310
377351399381,35cyclictest0-21swapper/008:49:590
3773518993725,7cyclictest0-21swapper/207:45:212
3773516993729,5cyclictest3814545-21grep11:05:281
3773516993728,5cyclictest3793377-21munin-plugin-st09:05:001
3773516993726,7cyclictest0-21swapper/110:05:281
3773516993725,9cyclictest3790195-21/usr/sbin/munin08:45:191
3773516993724,9cyclictest0-21swapper/109:45:271
377351699371,9cyclictest0-21swapper/108:10:011
3773513993731,4cyclictest20850irq/208-8000000.ethernet10:20:010
3773513993727,6cyclictest3800070-21grep09:40:280
3773518993625,6cyclictest0-21swapper/209:00:292
3773518993624,7cyclictest0-21swapper/211:35:282
3773518993624,7cyclictest0-21swapper/211:35:282
3773518993622,6cyclictest0-21swapper/212:30:292
3773518993618,13cyclictest0-21swapper/207:35:282
377351899361,2cyclictest0-21swapper/208:05:002
3773516993623,8cyclictest0-21swapper/111:25:191
3773516993622,7cyclictest0-21swapper/108:25:281
377351399369,14cyclictest15-21rcuc/009:45:010
3773513993631,3cyclictest20850irq/208-8000000.ethernet09:50:250
3773513993630,4cyclictest0-21swapper/009:22:320
377351399361,3cyclictest0-21swapper/011:10:240
377351399361,33cyclictest0-21swapper/011:05:230
377351399361,33cyclictest0-21swapper/008:15:140
377351899357,19cyclictest311ktimers/210:05:022
3773518993525,6cyclictest3784834-21munin-plugin-st08:15:002
3773518993522,6cyclictest3826259-21phc2sys12:15:242
3773516993524,8cyclictest231ktimers/109:10:251
3773516993524,6cyclictest0-21swapper/111:30:301
3773516993523,6cyclictest0-21swapper/108:40:281
3773516993523,5cyclictest0-21swapper/107:55:011
377351699351,3cyclictest0-21swapper/108:10:011
377351699351,2cyclictest0-21swapper/110:45:001
3773513993529,4cyclictest20850irq/208-8000000.ethernet10:30:260
3773513993529,4cyclictest20850irq/208-8000000.ethernet07:35:270
3773513993529,4cyclictest0-21swapper/012:31:220
377351399351,32cyclictest0-21swapper/011:50:440
377351399351,32cyclictest0-21swapper/008:41:200
377351399351,2cyclictest0-21swapper/011:55:280
3773518993423,7cyclictest0-21swapper/208:20:272
3773518993422,8cyclictest3818047-21grep11:25:292
377351899342,20cyclictest3790847-21latency_hist08:50:012
3773518993421,8cyclictest3781410-21grep07:50:282
3773516993425,5cyclictest0-21swapper/107:29:591
3773513993427,4cyclictest20850irq/208-8000000.ethernet08:35:170
377351399341,4cyclictest3810811-21cut10:45:240
377351899334,17cyclictest3815443-21grep11:10:282
377351899333,20cyclictest3818864-21sed11:30:312
3773518993323,6cyclictest0-21swapper/211:00:012
3773516993325,5cyclictest3778768-21grep07:35:291
3773516993324,5cyclictest0-21swapper/109:30:291
3773516993318,9cyclictest0-21swapper/107:40:261
3773513993325,6cyclictest3823996-21grep12:00:290
3773518993222,7cyclictest0-21swapper/207:55:212
3773518993218,8cyclictest0-21swapper/209:10:192
3773516993223,6cyclictest3791036-21/usr/sbin/munin08:50:261
377351699321,3cyclictest0-21swapper/110:30:011
377351699321,26cyclictest0-21swapper/111:35:221
377351699321,26cyclictest0-21swapper/111:35:211
3773516993210,15cyclictest167450irq/126-8000000.ethernet-tx111:50:061
377351399321,4cyclictest0-21swapper/007:52:140
3773518993119,8cyclictest0-21swapper/209:40:282
3773518993118,9cyclictest0-21swapper/210:25:272
3773516993123,5cyclictest0-21swapper/110:20:011
3773516993121,5cyclictest0-21swapper/109:55:211
3773516993120,7cyclictest3824850-21grep12:05:301
3773516993119,9cyclictest0-21swapper/109:50:301
3773513993127,2cyclictest0-21swapper/008:59:420
3773513993127,2cyclictest0-21swapper/008:59:420
3773516993020,8cyclictest1660-21snmpd09:28:171
3773516993020,7cyclictest3816492-21sed11:20:011
3773516993020,7cyclictest3816492-21sed11:20:011
3773516993011,16cyclictest167450irq/126-8000000.ethernet-tx107:45:271
3773518992913,9cyclictest311ktimers/207:30:162
3773516992922,4cyclictest0-21swapper/112:30:201
3773516992920,7cyclictest1660-21snmpd08:32:191
3773516992919,8cyclictest231ktimers/107:15:221
3773518992817,8cyclictest0-21swapper/209:50:302
3773518992810,12cyclictest0-21swapper/210:35:012
3773516992822,3cyclictest0-21swapper/111:40:171
3773516992819,5cyclictest0-21swapper/108:35:271
3773516992719,3cyclictest0-21swapper/107:20:191
3773516992710,14cyclictest167450irq/126-8000000.ethernet-tx111:13:381
3773518992619,5cyclictest311ktimers/207:20:302
3773516992618,4cyclictest0-21swapper/112:20:221
377351699261,23cyclictest0-21swapper/109:37:201
3773516992520,3cyclictest0-21swapper/108:00:171
3773516992517,5cyclictest1653-21lldpd08:21:341
3773516992515,7cyclictest0-21swapper/110:00:191
377351399248,11cyclictest0-21swapper/007:10:010
377351699196,7cyclictest3773606-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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