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2024-10-12 - 18:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot6.osadl.org (updated Sat Oct 12, 2024 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1509229733,18sleep10-21swapper/107:09:201
15290999251,27cyclictest14-21ksoftirqd/011:05:220
91552840,5chrt9159-21sed09:50:371
15294998045,26cyclictest29264-21apt-get12:20:131
15294998042,26cyclictest24611-21apt-get07:35:111
15294997945,23cyclictest4699-21apt-get09:40:121
15294997842,25cyclictest18738-21apt-get11:50:151
15294997842,25cyclictest18738-21apt-get11:50:141
15294997650,13cyclictest2622-21apt-get11:05:251
15294997547,14cyclictest22182-21apt-get10:30:141
15294997545,15cyclictest16996-21apt-get11:45:231
15294997544,15cyclictest20445-21apt-get10:25:151
15294997444,20cyclictest22233-21apt-get12:00:121
15294997438,26cyclictest0-21swapper/109:25:131
15294997437,23cyclictest0-21swapper/111:35:121
15294997433,26cyclictest13408-21apt-get10:05:141
15294997416,37cyclictest151rcu_preempt09:00:201
15294997344,16cyclictest7920-21apt-get11:20:131
15294997343,15cyclictest9660-21apt-get11:25:151
1529099727,55cyclictest6378-21apt-get08:15:130
15294997144,14cyclictest17821-21apt-get08:45:221
15294997144,14cyclictest13665-21apt-get08:35:121
15294997143,16cyclictest0-21swapper/111:00:131
15294997142,16cyclictest17631-21apt-get07:15:131
15294997140,16cyclictest30092-21apt-get09:20:151
15294997140,16cyclictest30092-21apt-get09:20:141
15294997042,15cyclictest598-21runrttasks07:30:111
15294997040,24cyclictest0-21swapper/108:40:251
15294997039,15cyclictest27499-21apt-get12:15:141
15294997036,27cyclictest0-21swapper/111:15:121
15290997031,17cyclictest11433-21aten2.4-expect11:30:160
1487727020,40sleep00-21swapper/007:07:300
15294996941,15cyclictest30037-21apt-get07:50:141
15294996940,16cyclictest0-21swapper/110:10:111
15294996933,27cyclictest16942-21apt-get10:15:141
15294996925,11cyclictest0-21swapper/107:40:171
15290996936,26cyclictest14-21ksoftirqd/012:09:000
15294996841,15cyclictest27472-21apt-get10:45:141
15294996840,14cyclictest4641-21apt-get08:10:121
15294996834,25cyclictest0-21swapper/112:10:151
15294996832,26cyclictest499-21dbus-daemon09:00:011
15294996831,28cyclictest6436-21apt-get09:45:121
15290996844,16cyclictest569-21apt-get11:00:130
15294996748,10cyclictest2847-21apt-get08:05:151
15294996740,14cyclictest19561-21apt-get08:50:121
15294996736,25cyclictest0-21swapper/109:05:141
15290996737,18cyclictest14-21ksoftirqd/009:41:060
15294996629,27cyclictest25735-21apt-get10:40:121
15290996639,21cyclictest14-21ksoftirqd/011:45:330
15290996631,28cyclictest14-21ksoftirqd/011:10:200
15294996540,13cyclictest8443-21apt-get08:20:231
15294996538,15cyclictest31777-21apt-get07:55:151
15294996537,22cyclictest0-21swapper/108:25:121
15294996536,23cyclictest0-21swapper/109:15:131
15294996439,14cyclictest11669-21apt-get10:00:121
15294996439,13cyclictest11401-21apt-get11:30:141
15294996435,18cyclictest0-21swapper/108:00:121
15294996427,24cyclictest18707-21apt-get10:20:141
15290996431,27cyclictest14-21ksoftirqd/007:55:170
15294996340,14cyclictest19392-21apt-get07:20:111
15294996338,12cyclictest0-21swapper/109:30:131
15290996324,25cyclictest0-21swapper/012:20:130
15290996318,17cyclictest10179-21sed11:25:260
15294996245,10cyclictest26-21ksoftirqd/107:45:131
15294996239,12cyclictest0-21swapper/107:25:151
15294996236,16cyclictest0-21swapper/109:55:131
15294996235,14cyclictest0-21swapper/110:35:131
1529099626,49cyclictest0-21swapper/012:30:130
15290996237,19cyclictest14-21ksoftirqd/011:15:250
15294996136,13cyclictest0-21swapper/107:10:131
1529099619,37cyclictest14-21ksoftirqd/008:22:170
15294996044,10cyclictest26-21ksoftirqd/111:55:151
15294996035,13cyclictest0-21swapper/108:15:131
15294996031,23cyclictest31025-21aten2.4_r3power12:25:151
15294996030,16cyclictest2881-21apt-get09:35:111
1529099605,48cyclictest0-21swapper/010:15:160
15290996035,19cyclictest14-21ksoftirqd/012:35:310
15294995937,14cyclictest0-21swapper/112:30:121
15294995934,20cyclictest26591-21apt-get09:10:131
15294995931,16cyclictest0-21swapper/108:30:131
15294995930,16cyclictest4421-21apt-get11:10:161
15294995925,25cyclictest3679-21cron12:40:001
1529099596,47cyclictest0-21swapper/009:55:090
1529099596,31cyclictest14-21ksoftirqd/010:20:520
15290995936,17cyclictest14-21ksoftirqd/009:10:290
15290995935,19cyclictest14-21ksoftirqd/007:15:030
15290995935,18cyclictest14-21ksoftirqd/007:47:190
15290995933,21cyclictest14-21ksoftirqd/010:50:450
15290995932,21cyclictest23159-21sort10:30:340
15290995928,26cyclictest14-21ksoftirqd/009:35:150
15290995928,25cyclictest14-21ksoftirqd/011:56:130
15290995925,28cyclictest22236-21runrttasks12:00:120
15290995919,34cyclictest24704-21cut07:35:150
15294995832,15cyclictest0-21swapper/110:55:131
15290995835,17cyclictest14-21ksoftirqd/008:49:040
15290995835,17cyclictest14-21ksoftirqd/007:55:010
15290995834,18cyclictest14-21ksoftirqd/010:10:230
15290995834,17cyclictest14-21ksoftirqd/012:18:070
15290995827,26cyclictest14-21ksoftirqd/007:10:300
15290995823,25cyclictest0-21swapper/011:50:150
15290995823,25cyclictest0-21swapper/011:50:140
15290995821,32cyclictest968-21apt09:30:000
15294995737,12cyclictest0-21swapper/110:50:241
15294995726,25cyclictest16601-21cat11:45:011
15294995722,26cyclictest0-21swapper/112:05:151
15290995733,18cyclictest14-21ksoftirqd/009:52:310
1529099572,18cyclictest14-21ksoftirqd/008:09:550
1529099568,12cyclictest14-21ksoftirqd/011:35:180
15290995633,17cyclictest14-21ksoftirqd/012:25:360
15290995632,18cyclictest24619-21cron09:05:000
15290995631,19cyclictest20956-21cron07:25:000
15290995627,12cyclictest14-21ksoftirqd/008:59:500
1529099555,45cyclictest0-21swapper/007:25:160
1529099545,9cyclictest0-21swapper/009:34:550
1529099545,44cyclictest0-21swapper/010:40:210
1529099543,46cyclictest5198-21memory08:10:260
15290995431,17cyclictest25824-21aten2.4-expect12:10:150
15290995431,17cyclictest14-21ksoftirqd/008:44:200
15290995423,24cyclictest0-21swapper/010:25:150
15290995421,25cyclictest0-21swapper/011:20:130
15290995416,26cyclictest0-21swapper/009:45:130
1529099537,41cyclictest0-21swapper/009:15:290
1529099535,43cyclictest0-21swapper/010:00:180
1529099535,43cyclictest0-21swapper/009:22:180
1529099535,43cyclictest0-21swapper/009:22:170
15290995331,17cyclictest14-21ksoftirqd/007:35:020
15290995330,17cyclictest14-21ksoftirqd/011:40:050
15290995324,23cyclictest243-21systemd-journal08:30:000
15290995319,24cyclictest0-21swapper/010:05:130
15290995319,15cyclictest14-21ksoftirqd/008:51:400
15290995314,13cyclictest0-21swapper/008:00:320
1529099525,42cyclictest0-21swapper/010:39:370
15290995236,10cyclictest14-21ksoftirqd/007:42:560
15290995222,24cyclictest0-21swapper/008:35:130
1529099515,40cyclictest0-21swapper/010:55:320
1529099512,18cyclictest14-21ksoftirqd/009:06:470
15290995120,23cyclictest0-21swapper/010:45:130
1529099502,42cyclictest12274-21seq08:30:220
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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