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2025-04-24 - 15:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot1s.osadl.org (updated Thu Apr 24, 2025 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1091799140136,3cyclictest3-21ksoftirqd/009:13:350
1091799140136,3cyclictest3-21ksoftirqd/009:13:350
1095999131129,2cyclictest0-21swapper/607:40:096
1093899131126,4cyclictest37-21ksoftirqd/312:20:133
10946991301,2cyclictest0-21swapper/407:46:004
1093299130128,1cyclictest0-21swapper/210:38:062
1095299129127,1cyclictest190750irq/36-eth1-rx-12:30:065
1095299129127,1cyclictest0-21swapper/508:20:445
1093899129128,0cyclictest37-21ksoftirqd/309:44:563
1094699128127,1cyclictest0-21swapper/410:53:154
1094699128126,1cyclictest0-21swapper/408:46:164
10946991280,127cyclictest0-21swapper/410:19:594
1093899128127,1cyclictest37-21ksoftirqd/310:54:043
1093299128126,1cyclictest0-21swapper/210:21:202
1092499128127,0cyclictest21-21ksoftirqd/109:08:351
1092499128127,0cyclictest21-21ksoftirqd/109:08:341
1093899127127,0cyclictest37-21ksoftirqd/308:02:593
1091799127127,0cyclictest3-21ksoftirqd/008:31:500
1091799127121,5cyclictest3-21ksoftirqd/007:50:340
1095299126125,1cyclictest0-21swapper/511:15:325
1095299126124,1cyclictest0-21swapper/512:12:255
1094699126125,1cyclictest0-21swapper/409:16:564
10946991260,125cyclictest31508-21chk_conn_tcp09:56:134
1093899126126,0cyclictest37-21ksoftirqd/307:25:003
1096399125122,2cyclictest0-21swapper/708:54:417
1095999125123,1cyclictest0-21swapper/610:07:566
1095299125124,1cyclictest0-21swapper/509:51:245
1094699125123,1cyclictest0-21swapper/412:08:074
1094699125123,1cyclictest0-21swapper/410:31:234
1093899125124,1cyclictest37-21ksoftirqd/310:59:203
1093899125123,1cyclictest37-21ksoftirqd/309:55:223
1093299125124,0cyclictest29-21ksoftirqd/209:15:282
1092499125123,1cyclictest21-21ksoftirqd/107:25:131
1091799125119,5cyclictest3-21ksoftirqd/007:26:350
1096399124123,1cyclictest0-21swapper/711:38:017
10963991240,1cyclictest0-21swapper/711:53:537
1095999124123,0cyclictest19839-21chk_conn_tcp10:44:586
1094699124123,1cyclictest14800-21chk_conn_tcp08:19:254
1094699124122,1cyclictest0-21swapper/412:21:464
1092499124122,1cyclictest0-21swapper/107:46:181
1091799124123,1cyclictest3-21ksoftirqd/011:05:540
1091799124121,3cyclictest3-21ksoftirqd/012:06:340
1091799124120,4cyclictest3-21ksoftirqd/008:42:050
1096399123121,2cyclictest0-21swapper/711:04:467
1095299123121,1cyclictest0-21swapper/509:59:325
1094699123122,1cyclictest0-21swapper/407:37:474
1093899123123,0cyclictest37-21ksoftirqd/309:04:093
1093899123123,0cyclictest37-21ksoftirqd/309:04:093
1093899123122,1cyclictest0-21swapper/309:48:273
1093899123121,1cyclictest37-21ksoftirqd/312:34:133
1093899123121,1cyclictest37-21ksoftirqd/307:37:573
1092499123121,1cyclictest21-21ksoftirqd/109:12:261
1092499123121,1cyclictest21-21ksoftirqd/109:12:261
1096399122119,2cyclictest0-21swapper/710:30:457
1095999122120,1cyclictest0-21swapper/612:30:456
1095999122120,1cyclictest0-21swapper/610:22:236
1095299122121,1cyclictest0-21swapper/511:24:055
1095299122120,1cyclictest0-21swapper/510:35:395
1094699122120,1cyclictest0-21swapper/410:40:394
1093899122121,0cyclictest37-21ksoftirqd/311:51:323
1093899122120,1cyclictest37-21ksoftirqd/309:35:243
1093299122122,0cyclictest29-21ksoftirqd/208:54:572
1092499122121,0cyclictest21-21ksoftirqd/109:41:331
1091799122122,0cyclictest3-21ksoftirqd/009:49:330
1096399121119,1cyclictest0-21swapper/712:10:207
1095999121120,1cyclictest0-21swapper/607:48:426
1095999121119,1cyclictest9687-21chk_conn_tcp08:33:316
10959991210,120cyclictest0-21swapper/609:15:286
10952991210,120cyclictest0-21swapper/511:53:015
1094699121120,1cyclictest0-21swapper/411:22:334
1093899121120,0cyclictest37-21ksoftirqd/312:29:343
1093299121120,1cyclictest0-21swapper/208:44:102
1092499121120,0cyclictest21-21ksoftirqd/107:36:261
1091799121121,0cyclictest3-21ksoftirqd/010:02:430
1091799121121,0cyclictest3-21ksoftirqd/009:02:430
1091799121121,0cyclictest3-21ksoftirqd/009:02:420
1096399120118,1cyclictest0-21swapper/712:09:147
1095999120119,1cyclictest0-21swapper/607:34:266
1095999120119,0cyclictest61-21ksoftirqd/611:30:236
1095299120118,1cyclictest31393-21chk_conn_tcp09:16:185
1095299120118,1cyclictest0-21swapper/509:26:545
1095299120118,1cyclictest0-21swapper/509:10:425
1095299120118,1cyclictest0-21swapper/509:10:425
10952991200,119cyclictest0-21swapper/507:35:325
1093899120120,0cyclictest37-21ksoftirqd/310:32:263
1091799120120,0cyclictest3-21ksoftirqd/008:11:530
1091799120118,1cyclictest3-21ksoftirqd/010:33:370
1096399119117,1cyclictest0-21swapper/707:26:217
10963991190,1cyclictest0-21swapper/709:31:117
10963991190,1cyclictest0-21swapper/708:40:097
10963991190,1cyclictest0-21swapper/707:14:357
1095999119118,1cyclictest0-21swapper/610:16:496
1095999119117,1cyclictest61-21ksoftirqd/610:57:486
1095299119117,1cyclictest22423-21chk_conn_tcp10:06:075
1094699119118,1cyclictest0-21swapper/409:12:084
1094699119118,1cyclictest0-21swapper/409:12:084
1094699119117,1cyclictest4962-21chk_conn_tcp10:12:114
1093899119116,3cyclictest37-21ksoftirqd/307:34:343
1092499119118,0cyclictest21-21ksoftirqd/110:38:161
1092499119118,0cyclictest21-21ksoftirqd/110:30:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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