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2024-06-13 - 03:22

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #4

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.
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 100 highest latencies:
System rack7slot4s.osadl.org (updated Wed Jun 12, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2819199885,67cyclictest1895-21ssh12:25:150
28218997043,17cyclictest25866irq/58-eth010:05:133
2819199602,7cyclictest131rcu_preempt11:05:150
2819199565,7cyclictest131rcu_preempt07:55:140
2819199553,9cyclictest131rcu_preempt08:35:190
2821099523,40cyclictest9482-21ssh10:35:142
2819199524,40cyclictest8880-21ssh09:50:100
28210995115,29cyclictest27-21ksoftirqd/207:10:122
2819199514,6cyclictest131rcu_preempt09:05:130
28218994827,16cyclictest25866irq/58-eth009:15:143
28200994620,19cyclictest21-21ksoftirqd/111:50:111
28210994528,8cyclictest261rcuc/210:55:132
2821899444,25cyclictest25866irq/58-eth009:35:133
2821899444,25cyclictest25866irq/58-eth009:35:123
2820099444,33cyclictest6357-21ssh12:05:151
2820099444,33cyclictest6357-21ssh12:05:141
2819199432,27cyclictest13556-21ssh10:15:150
2819199432,27cyclictest13556-21ssh10:15:140
2819199405,24cyclictest12-21ksoftirqd/009:40:140
2821899392,24cyclictest25866irq/58-eth008:50:133
2821899392,24cyclictest25866irq/58-eth008:50:133
2819199391,34cyclictest31340-21ssh10:05:120
2821899382,24cyclictest25866irq/58-eth009:55:143
2821899382,22cyclictest25866irq/58-eth011:25:133
2821099372,18cyclictest30186-21cut11:10:242
28200993623,7cyclictest0-21swapper/110:20:131
2819199362,7cyclictest131rcu_preempt12:10:220
2819199353,19cyclictest12501-21ssh11:00:130
2819199352,5cyclictest29031-21apt-get11:35:120
28200993417,11cyclictest15231-21apt-get11:25:131
2821899331,17cyclictest25866irq/58-eth010:30:113
28200993311,17cyclictest3854-21diskmemload11:40:131
2819199336,16cyclictest12-21ksoftirqd/009:35:150
2819199336,16cyclictest12-21ksoftirqd/009:35:140
28191993317,14cyclictest12-21ksoftirqd/007:45:110
2819199322,19cyclictest16329-21ssh09:55:150
2821899312,18cyclictest0-21swapper/309:50:103
2821099312,21cyclictest14581-21kthreadcore11:00:242
2819199313,19cyclictest1281-21kworker/0:009:45:140
2821899307,20cyclictest25866irq/58-eth011:15:123
2820099309,13cyclictest0-21swapper/111:35:111
2821099295,16cyclictest261rcuc/210:20:142
2821099293,17cyclictest0-21swapper/210:30:122
2821099293,16cyclictest22146irq/40-dwc2_hso09:00:132
2821099292,22cyclictest27-21ksoftirqd/211:39:232
2821899283,15cyclictest25966irq/59-eth010:15:163
2821899283,15cyclictest25966irq/59-eth010:15:163
2821099287,14cyclictest27-21ksoftirqd/211:25:282
2821099283,19cyclictest0-21swapper/211:52:232
2821099283,16cyclictest27-21ksoftirqd/208:25:272
2821099283,15cyclictest22146irq/40-dwc2_hso10:05:112
2821099283,10cyclictest0-21swapper/211:59:242
2821099281,18cyclictest0-21swapper/211:30:102
2819199283,19cyclictest151rcuc/009:10:110
2819199282,20cyclictest12469-21ssh12:08:240
2819199282,20cyclictest12469-21ssh12:08:230
2819199281,20cyclictest9323-21ssh12:30:150
2821099278,6cyclictest27-21ksoftirqd/212:05:352
2821099278,6cyclictest27-21ksoftirqd/212:05:342
2821099278,11cyclictest27-21ksoftirqd/208:35:342
2821099273,11cyclictest131rcu_preempt10:10:272
2821099272,20cyclictest0-21swapper/211:40:132
2821099272,19cyclictest0-21swapper/211:06:232
2821099272,10cyclictest0-21swapper/208:15:132
28210992713,11cyclictest261rcuc/210:50:112
2821099271,14cyclictest4162-21ssh09:25:132
2821899263,15cyclictest0-21swapper/311:05:253
2821899261,14cyclictest25866irq/58-eth009:10:103
2821099269,11cyclictest27-21ksoftirqd/210:20:012
2821099269,11cyclictest27-21ksoftirqd/210:20:002
2821099263,18cyclictest22146irq/40-dwc2_hso08:20:152
28210992617,4cyclictest0-21swapper/212:20:102
28210992612,3cyclictest0-21swapper/209:33:202
2821099261,19cyclictest0-21swapper/208:05:152
2821099261,14cyclictest131rcu_preempt11:15:122
2820099269,13cyclictest0-21swapper/109:20:091
2820099261,15cyclictest0-21swapper/107:10:121
2819199264,13cyclictest0-21swapper/008:05:150
2819199261,17cyclictest11628-21ssh09:30:130
2821099259,10cyclictest0-21swapper/207:45:302
2821099252,5cyclictest271ksoftirqd/212:35:232
28210992514,8cyclictest0-21swapper/209:45:202
28210992511,5cyclictest0-21swapper/207:35:422
28210992510,8cyclictest27-21ksoftirqd/207:15:402
2820099256,4cyclictest21-21ksoftirqd/107:25:361
2820099254,5cyclictest21-21ksoftirqd/111:30:221
28200992517,5cyclictest19847-21apt-get11:05:151
2819199257,8cyclictest12-21ksoftirqd/010:30:110
2819199252,4cyclictest131rcu_preempt12:35:150
2819199251,18cyclictest5412-21ssh10:55:150
2821899243,13cyclictest0-21swapper/310:04:313
2821099247,5cyclictest27-21ksoftirqd/209:35:242
2821099247,5cyclictest27-21ksoftirqd/209:35:242
2821099246,5cyclictest27-21ksoftirqd/212:04:572
2821099245,7cyclictest27-21ksoftirqd/211:46:462
2821099244,2cyclictest0-21swapper/208:40:212
2821099244,14cyclictest27-21ksoftirqd/212:25:262
2821099242,16cyclictest0-21swapper/210:00:242
2821099241,19cyclictest261rcuc/212:14:242
2821099241,14cyclictest22146irq/40-dwc2_hso10:45:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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