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2025-03-19 - 20:25

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #2

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 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 100 highest latencies:
System rack7slot2s.osadl.org (updated Wed Mar 19, 2025 12:48:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49285599308192,95cyclictest431rcuop/210:40:002
49285599308192,95cyclictest431rcuop/210:40:002
49285499308233,41cyclictest0-21swapper/110:36:081
49285499308233,41cyclictest0-21swapper/110:36:081
49285499297242,16cyclictest181rcuog/010:56:191
49285699294180,68cyclictest0-21swapper/310:49:283
49285699294180,68cyclictest0-21swapper/310:49:283
49285499290234,15cyclictest171rcu_preempt08:55:001
49285699288187,26cyclictest0-21swapper/310:20:053
49285699288187,26cyclictest0-21swapper/310:20:053
49285699287196,47cyclictest0-21swapper/310:51:503
49285399286166,27cyclictest171rcu_preempt10:01:080
49285399286166,27cyclictest171rcu_preempt10:01:080
49285499284190,51cyclictest0-21swapper/112:19:001
49285499283217,17cyclictest181rcuog/007:51:091
49285499283182,53cyclictest0-21swapper/107:20:501
49285499283182,53cyclictest0-21swapper/107:20:501
49285499282222,19cyclictest0-21swapper/111:00:491
49285699281197,48cyclictest0-21swapper/307:21:223
49285699281197,48cyclictest0-21swapper/307:21:223
49285699280189,47cyclictest0-21swapper/308:46:403
49285699280189,47cyclictest0-21swapper/308:46:403
49285499280198,47cyclictest0-21swapper/107:31:521
49285499280198,47cyclictest0-21swapper/107:31:521
49285499279190,51cyclictest0-21swapper/109:30:221
49285499278174,60cyclictest0-21swapper/110:10:581
49285499278174,60cyclictest0-21swapper/110:10:581
49285499277201,42cyclictest0-21swapper/109:37:261
49285499277201,42cyclictest0-21swapper/109:37:261
49285499277179,61cyclictest0-21swapper/110:24:571
49285499277179,61cyclictest0-21swapper/110:24:571
49285499277167,74cyclictest0-21swapper/109:53:111
49285499276190,51cyclictest0-21swapper/110:18:301
49285499276190,51cyclictest0-21swapper/110:18:301
49285499276184,58cyclictest0-21swapper/107:40:531
49285499276184,58cyclictest0-21swapper/107:40:531
49285499275178,51cyclictest0-21swapper/108:41:511
49285499275178,51cyclictest0-21swapper/108:41:511
49285499275174,53cyclictest0-21swapper/112:20:591
49285499274173,65cyclictest0-21swapper/110:53:071
49285699273215,17cyclictest421rcuog/209:16:163
49285699273215,17cyclictest421rcuog/209:16:163
49285699273193,47cyclictest0-21swapper/309:50:373
49285699273176,63cyclictest0-21swapper/309:47:483
49285499271199,32cyclictest0-21swapper/109:26:391
49285499271190,47cyclictest0-21swapper/112:36:481
49285499271190,47cyclictest0-21swapper/112:36:481
49285499271176,61cyclictest0-21swapper/109:42:061
49285699270183,51cyclictest0-21swapper/312:27:453
49285699270177,52cyclictest0-21swapper/308:30:403
49285699270177,52cyclictest0-21swapper/308:30:403
49285499270187,45cyclictest0-21swapper/108:31:561
49285499270187,45cyclictest0-21swapper/108:31:561
49285499270185,51cyclictest0-21swapper/107:15:541
49285499270185,51cyclictest0-21swapper/107:15:541
49285499270178,49cyclictest0-21swapper/111:31:191
49285499270178,49cyclictest0-21swapper/111:31:191
49285499269186,46cyclictest0-21swapper/109:15:081
49285499269186,46cyclictest0-21swapper/109:15:081
49285499269176,59cyclictest0-21swapper/111:46:141
49285499269176,54cyclictest0-21swapper/112:10:401
49285499268186,48cyclictest0-21swapper/112:03:421
49285499268186,48cyclictest0-21swapper/112:03:421
49285699267236,17cyclictest191rcuop/011:02:213
49285499267174,57cyclictest0-21swapper/112:28:451
49285399267132,31cyclictest0-21swapper/012:16:510
49285699266177,49cyclictest0-21swapper/308:36:493
49285699266177,49cyclictest0-21swapper/308:36:493
49285399266139,56cyclictest521rcuop/309:16:480
49285399266139,56cyclictest521rcuop/309:16:480
49285699265179,46cyclictest0-21swapper/308:27:173
49285699265179,46cyclictest0-21swapper/308:27:173
49285499265179,45cyclictest0-21swapper/112:30:441
49285699264188,21cyclictest49-21ksoftirqd/310:21:113
49285699264188,21cyclictest49-21ksoftirqd/310:21:113
49285699264181,49cyclictest0-21swapper/307:45:353
49285699264151,77cyclictest0-21swapper/310:58:123
49285499264171,59cyclictest0-21swapper/109:10:001
49285499264171,59cyclictest0-21swapper/109:10:001
49285699263176,50cyclictest0-21swapper/312:01:173
49285699263176,50cyclictest0-21swapper/312:01:173
49285499263179,47cyclictest0-21swapper/108:10:511
49285699262185,31cyclictest0-21swapper/308:41:173
49285699262185,31cyclictest0-21swapper/308:41:173
49285699262181,48cyclictest0-21swapper/311:26:233
49285699262181,48cyclictest0-21swapper/311:26:233
49285699262175,53cyclictest0-21swapper/309:35:483
49285699262175,53cyclictest0-21swapper/309:35:483
49285599262163,70cyclictest431rcuop/208:15:562
49285599262163,70cyclictest431rcuop/208:15:562
49285499262175,51cyclictest0-21swapper/110:25:481
49285499262175,51cyclictest0-21swapper/110:25:481
49285699261174,49cyclictest0-21swapper/309:11:303
49285699261174,49cyclictest0-21swapper/309:11:303
49285499261199,30cyclictest0-21swapper/108:55:541
49285499261199,30cyclictest0-21swapper/108:55:541
49285499261179,51cyclictest0-21swapper/108:01:061
49285499261172,50cyclictest0-21swapper/111:10:441
49285499261172,50cyclictest0-21swapper/111:10:441
49285599259188,26cyclictest532558-21ntpq10:56:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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