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2026-08-24 - 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 the 792 highest latencies:
System rackeslot6s.osadl.org (updated Mon Aug 24, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
483674999249,35cyclictest20650irq/252-8000000.ethernet11:40:290
48367499893,2cyclictest0-21swapper/008:50:000
483674998646,34cyclictest20650irq/252-8000000.ethernet12:30:010
48367699841,10cyclictest0-21swapper/107:50:011
48367699841,10cyclictest0-21swapper/107:50:011
48367499811,66cyclictest0-21swapper/010:10:130
483674997943,29cyclictest20650irq/252-8000000.ethernet12:35:290
483674997742,26cyclictest20650irq/252-8000000.ethernet08:00:220
483674997742,26cyclictest20650irq/252-8000000.ethernet08:00:220
483674997651,20cyclictest20650irq/252-8000000.ethernet07:55:010
483674997540,31cyclictest20650irq/252-8000000.ethernet10:20:200
483676997414,33cyclictest22-21rcuc/107:35:011
483674997139,29cyclictest20650irq/252-8000000.ethernet09:40:250
483674997139,29cyclictest20650irq/252-8000000.ethernet09:40:250
483674997139,29cyclictest20650irq/252-8000000.ethernet07:40:210
483674997139,26cyclictest0-21swapper/009:50:010
48367499712,3cyclictest484407-21/usr/sbin/munin07:10:300
483674997039,24cyclictest20650irq/252-8000000.ethernet11:15:270
48367499702,4cyclictest499984-21grep08:40:280
483674996940,25cyclictest524604-21sshd11:05:360
48367499691,3cyclictest0-21swapper/008:25:010
483674996841,22cyclictest20650irq/252-8000000.ethernet08:30:300
483674996838,26cyclictest20650irq/252-8000000.ethernet09:15:250
483674996838,25cyclictest20650irq/252-8000000.ethernet12:20:240
483674996739,24cyclictest20650irq/252-8000000.ethernet07:20:240
483674996642,18cyclictest521255-21grep10:50:000
483674996640,21cyclictest527534-21sh11:25:210
483674996632,30cyclictest519146-21/usr/sbin/munin10:35:220
483674996543,17cyclictest20650irq/252-8000000.ethernet11:00:020
483674996540,21cyclictest20650irq/252-8000000.ethernet07:35:300
483674996537,25cyclictest20650irq/252-8000000.ethernet07:35:000
483674996537,24cyclictest498856-21kernelversion08:35:240
483674996537,24cyclictest0-21swapper/011:50:170
483674996532,29cyclictest495697-21threads08:15:290
483674996439,21cyclictest20650irq/252-8000000.ethernet10:05:010
483674996340,19cyclictest20650irq/252-8000000.ethernet09:55:180
48367499633,56cyclictest0-21swapper/010:45:010
48367499632,56cyclictest511760-21grep09:50:300
483674996325,34cyclictest0-21swapper/008:50:300
48367499631,6cyclictest533585-21meminfo12:00:250
483674996239,18cyclictest20650irq/252-8000000.ethernet11:45:230
483674996238,20cyclictest20650irq/252-8000000.ethernet08:55:170
483674996231,27cyclictest0-21swapper/010:05:310
483674996138,20cyclictest20650irq/252-8000000.ethernet09:05:230
483674996125,30cyclictest0-21swapper/007:15:260
48367499611,5cyclictest523520-21ps11:00:270
483674996040,16cyclictest494942-21sed08:10:300
483674996039,18cyclictest20650irq/252-8000000.ethernet07:55:250
483674996033,24cyclictest517760-21unixbench_multi10:25:290
483674996033,24cyclictest517760-21unixbench_multi10:25:290
483674995934,20cyclictest20650irq/252-8000000.ethernet09:10:120
483674995840,13cyclictest503284-21mailstats09:00:280
483674995840,13cyclictest503284-21mailstats09:00:280
483674995838,17cyclictest20650irq/252-8000000.ethernet12:30:180
483674995838,17cyclictest20650irq/252-8000000.ethernet12:30:180
483674995836,16cyclictest494236-21latency_hist08:10:000
483674995820,4cyclictest20850irq/208-8000000.ethernet12:10:190
48367499581,7cyclictest486664-21/usr/sbin/munin07:25:110
483674995739,14cyclictest0-21swapper/012:10:010
483674995739,14cyclictest0-21swapper/012:10:010
48367499571,4cyclictest528510-21meminfo11:30:240
48367499571,3cyclictest525130-21memory11:10:250
483674995643,10cyclictest529321-21kernelversion11:35:240
483674995635,18cyclictest0-21swapper/009:20:140
483674995627,24cyclictest20850irq/208-8000000.ethernet07:45:280
483674995627,24cyclictest20850irq/208-8000000.ethernet07:45:280
483674995617,5cyclictest0-21swapper/010:55:000
48367499561,4cyclictest0-21swapper/010:15:270
483676995447,4cyclictest231ktimers/107:20:021
483676995416,31cyclictest0-21swapper/112:20:281
48367499541,51cyclictest0-21swapper/011:55:300
48367499541,3cyclictest518594-21find10:30:290
483674995411,5cyclictest478178-1kworker/0:0H+mmc_complete07:10:020
483674995411,5cyclictest478178-1kworker/0:0H+mmc_complete07:10:020
48367499533,12cyclictest536444-21tail12:15:290
483674995327,22cyclictest20650irq/252-8000000.ethernet09:26:330
483678995140,7cyclictest519501-21unixbench_singl10:35:282
483674995113,7cyclictest508114-21/usr/sbin/munin09:30:230
483678995040,7cyclictest500905-21munin-plugin-st08:50:002
48367499501,9cyclictest496894-21/usr/sbin/munin08:25:170
483678994931,13cyclictest0-21swapper/211:25:302
483678994918,18cyclictest32-21ksoftirqd/207:35:012
483676994940,5cyclictest538232-21apt-get12:30:011
48367699491,15cyclictest491512-21apt-get07:55:011
48367499491,46cyclictest0-21swapper/011:20:200
483676994833,10cyclictest0-21swapper/107:25:291
483676994814,28cyclictest515167-21mailstats10:10:281
483676994734,8cyclictest0-21swapper/108:10:301
483676994733,9cyclictest0-21swapper/110:45:281
483676994637,5cyclictest0-21swapper/108:25:011
483676994635,7cyclictest0-21swapper/109:05:281
483676994631,9cyclictest507571-21unixbench_multi09:25:291
483678994534,7cyclictest516121-21grep10:15:262
483678994525,14cyclictest311ktimers/212:30:132
483678994525,14cyclictest311ktimers/212:30:132
48367699452,8cyclictest512740-21gpgv10:00:011
483676994527,9cyclictest0-21swapper/111:50:281
48367499451,4cyclictest0-21swapper/009:35:110
483678994437,4cyclictest529648-21unixbench_singl11:35:302
483678994431,9cyclictest540008-21sendmail12:40:002
483676994429,9cyclictest0-21swapper/109:35:271
483676994429,7cyclictest0-21swapper/112:30:291
483676994429,7cyclictest0-21swapper/112:30:291
483678994334,5cyclictest0-21swapper/212:05:002
483678994332,7cyclictest0-21swapper/212:05:312
483678994332,7cyclictest0-21swapper/212:05:302
483678994327,9cyclictest0-21swapper/209:20:282
483678994326,13cyclictest311ktimers/209:25:142
483676994336,5cyclictest0-21swapper/110:35:011
483678994231,8cyclictest0-21swapper/212:15:292
483678994230,8cyclictest0-21swapper/207:55:012
483678994228,10cyclictest0-21swapper/210:40:312
483676994231,7cyclictest0-21swapper/111:55:291
483676994231,6cyclictest0-21swapper/108:25:291
483676994229,9cyclictest0-21swapper/111:10:291
483676994229,7cyclictest0-21swapper/108:45:301
483676994228,9cyclictest0-21swapper/107:15:261
483678994126,10cyclictest0-21swapper/208:40:282
483678994121,9cyclictest0-21swapper/207:15:262
483676994132,5cyclictest513665-21munin-plugin-st10:05:001
483676994130,7cyclictest0-21swapper/109:30:291
483676994128,8cyclictest484382-21grep07:10:281
483676994128,8cyclictest0-21swapper/110:20:271
483676994127,9cyclictest0-21swapper/109:40:291
483676994127,9cyclictest0-21swapper/109:40:291
483676994126,9cyclictest0-21swapper/112:35:291
483678994031,6cyclictest505925-21unixbench_singl09:15:292
483678994030,7cyclictest524575-21grep11:05:302
483678994029,7cyclictest0-21swapper/210:25:292
483678994029,7cyclictest0-21swapper/210:25:292
483678994028,9cyclictest311ktimers/208:50:142
483678994027,8cyclictest0-21swapper/210:45:292
483678994025,9cyclictest311ktimers/208:35:142
483678994023,13cyclictest311ktimers/209:05:122
483678994023,10cyclictest0-21swapper/212:25:272
483676994028,8cyclictest0-21swapper/111:30:281
483676994028,8cyclictest0-21swapper/110:35:281
483676994027,9cyclictest0-21swapper/108:40:261
483678993929,7cyclictest0-21swapper/211:50:282
483678993929,6cyclictest0-21swapper/209:35:272
483678993927,8cyclictest0-21swapper/207:20:292
483678993927,7cyclictest0-21swapper/210:05:302
483678993924,10cyclictest311ktimers/211:20:122
48367699397,26cyclictest0-21swapper/111:20:271
483676993926,9cyclictest0-21swapper/110:55:281
483676993925,9cyclictest0-21swapper/110:05:301
48367699391,4cyclictest0-21swapper/109:25:001
483678993828,7cyclictest525415-21grep11:10:292
483678993827,8cyclictest0-21swapper/208:55:292
483678993824,8cyclictest0-21swapper/208:20:012
483678993823,9cyclictest0-21swapper/211:55:292
483676993829,5cyclictest0-21swapper/109:10:281
483676993829,5cyclictest0-21swapper/107:35:291
483676993828,6cyclictest535575-21grep12:10:291
483676993827,7cyclictest0-21swapper/111:05:301
483676993822,8cyclictest0-21swapper/112:05:291
483676993822,8cyclictest0-21swapper/112:05:291
483676993821,9cyclictest0-21swapper/112:15:291
483678993725,8cyclictest0-21swapper/211:30:282
483678993725,8cyclictest0-21swapper/209:45:292
483678993724,9cyclictest311ktimers/211:45:132
483678993721,13cyclictest311ktimers/209:30:132
48367899371,2cyclictest0-21swapper/208:00:012
483676993730,4cyclictest167450irq/126-8000000.ethernet-tx111:45:251
483676993727,5cyclictest0-21swapper/107:40:271
483676993726,6cyclictest0-21swapper/108:35:281
483676993721,12cyclictest231ktimers/108:15:131
483678993625,6cyclictest489735-21grep07:40:272
483676993625,7cyclictest274-21systemd-journal11:45:001
483676993623,9cyclictest0-21swapper/111:25:291
48367699361,4cyclictest22-21rcuc/108:55:291
483678993527,5cyclictest498314-21grep08:30:292
483678993525,6cyclictest0-21swapper/208:25:292
483678993523,7cyclictest0-21swapper/212:10:292
483678993522,7cyclictest0-21swapper/211:15:292
483678993522,7cyclictest0-21swapper/209:00:282
483678993522,7cyclictest0-21swapper/209:00:282
483678993521,8cyclictest0-21swapper/208:05:222
483676993525,5cyclictest0-21swapper/109:00:191
483676993525,5cyclictest0-21swapper/109:00:191
483676993523,8cyclictest0-21swapper/110:40:311
48367699351,32cyclictest0-21swapper/109:15:281
483678993427,4cyclictest0-21swapper/210:30:292
483678993426,6cyclictest0-21swapper/211:40:222
483678993424,8cyclictest311ktimers/210:10:152
483678993423,6cyclictest494876-21grep08:10:292
483678993421,7cyclictest0-21swapper/211:00:292
483678993421,6cyclictest0-21swapper/210:00:292
483676993425,5cyclictest0-21swapper/111:40:001
48367699341,4cyclictest0-21swapper/109:55:011
48367699341,27cyclictest0-21swapper/108:50:291
483678993324,6cyclictest0-21swapper/209:50:292
48367899331,26cyclictest496047-21sshd08:20:092
483676993326,4cyclictest0-21swapper/108:05:291
483676993323,7cyclictest0-21swapper/110:25:291
483676993323,7cyclictest0-21swapper/110:25:291
483678993223,5cyclictest0-21swapper/209:40:292
483678993223,5cyclictest0-21swapper/209:40:292
483678993218,10cyclictest311ktimers/210:50:102
483676993224,5cyclictest0-21swapper/107:55:271
483676993218,9cyclictest0-21swapper/111:00:291
483678993121,7cyclictest0-21swapper/207:35:292
483678993119,8cyclictest0-21swapper/208:00:302
483678993119,8cyclictest0-21swapper/208:00:302
483676993121,6cyclictest0-21swapper/112:00:291
483676993120,8cyclictest0-21swapper/109:45:291
48367699311,2cyclictest0-21swapper/110:55:011
483678993020,5cyclictest0-21swapper/210:20:282
483676993019,7cyclictest0-21swapper/111:15:291
48367699301,27cyclictest0-21swapper/108:30:231
48367899291,4cyclictest0-21swapper/209:55:122
48367699291,2cyclictest0-21swapper/107:10:011
48367699291,2cyclictest0-21swapper/107:10:011
483678992820,4cyclictest0-21swapper/207:10:282
483678992814,9cyclictest311ktimers/207:45:152
483678992814,9cyclictest311ktimers/207:45:142
483676992820,4cyclictest0-21swapper/110:17:001
483676992818,7cyclictest0-21swapper/108:00:271
483676992818,7cyclictest0-21swapper/108:00:271
48367899272,23cyclictest483670-21cyclictest07:10:002
48367899272,23cyclictest483670-21cyclictest07:10:002
483678992717,7cyclictest505019-21grep09:10:282
483678992717,6cyclictest0-21swapper/207:25:292
483678992713,10cyclictest311ktimers/212:20:102
48367899271,2cyclictest0-21swapper/210:55:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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