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2024-04-23 - 14:48

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 rack0slot4s.osadl.org (updated Tue Apr 23, 2024 00:46:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33592462368348,13sleep20-21swapper/219:06:418
33594562364355,6sleep110-21swapper/1119:09:153
33594162364342,14sleep140-21swapper/1419:08:456
33591922360352,5sleep80-21swapper/819:05:5914
33591732357315,15sleep60-21swapper/619:05:4112
33591692357320,29sleep30-21swapper/319:05:389
33592712352343,6sleep100-21swapper/1019:07:062
33594682346325,14sleep50-21swapper/519:09:2411
33593292345324,14sleep40-21swapper/419:07:3110
33593402344321,15sleep150-21swapper/1519:07:437
33593192344323,14sleep120-21swapper/1219:07:244
33594292343320,15sleep90-21swapper/919:08:5715
33594092342320,14sleep70-21swapper/719:08:3913
33591842342320,14sleep00-21swapper/019:05:500
33591672340319,14sleep10-21swapper/119:05:361
33593982337317,13sleep130-21swapper/1319:08:285
33599829910918,91cyclictest0-21swapper/321:47:139
33599809910748,30cyclictest0-21swapper/221:47:138
3359992999841,28cyclictest0-21swapper/621:47:1412
3359976999536,30cyclictest0-21swapper/121:47:131
3359985998628,30cyclictest0-21swapper/421:47:1410
3360006996564,1cyclictest28066-21Xorg21:47:133
336001699620,34cyclictest0-21swapper/1421:47:146
3360004994746,1cyclictest3558849-21kworker/u32:2+flush-259:021:45:202
336001899440,16cyclictest0-21swapper/1521:47:137
3360001994443,1cyclictest28066-21Xorg21:47:1215
336001899384,30cyclictest3469110-21kworker/u32:1+flush-259:020:45:287
3359976993838,0cyclictest0-21swapper/123:37:131
3360018993736,1cyclictest3719450-21kworker/u32:4+events_unbound23:34:037
3360011993737,0cyclictest28066-21Xorg21:47:134
3360013993634,2cyclictest3558849-21kworker/u32:2+flush-259:021:51:465
3360018993524,10cyclictest3625013-21kworker/15:2+events22:12:197
336001899349,25cyclictest0-21swapper/1521:50:317
336001899349,25cyclictest0-21swapper/1520:33:387
3359976993434,0cyclictest19-1pr/ttyS022:02:441
3359976993434,0cyclictest169-21kcompactd021:29:131
3359976993434,0cyclictest0-21swapper/121:57:551
336001899339,11cyclictest0-21swapper/1523:51:207
336001899339,11cyclictest0-21swapper/1523:18:237
336001899339,11cyclictest0-21swapper/1522:56:257
336001899339,11cyclictest0-21swapper/1522:56:257
336001899339,11cyclictest0-21swapper/1522:23:287
3360018993330,1cyclictest3449277-21kworker/u32:4+events_unbound20:26:317
335999799330,30cyclictest0-21swapper/821:00:1514
336001899329,10cyclictest0-21swapper/1520:55:367
336001899320,29cyclictest0-21swapper/1520:03:587
3360013993228,4cyclictest3379861-21mii-tool19:30:185
3360013993228,4cyclictest3379861-21mii-tool19:30:185
336001399321,30cyclictest0-21swapper/1322:17:525
3359982993231,1cyclictest3758262-21kworker/u32:2+flush-259:000:35:219
3359976993232,0cyclictest0-21swapper/123:19:571
3359976993232,0cyclictest0-21swapper/121:42:271
335997699322,30cyclictest331ktimers/122:33:351
3360018993126,5cyclictest3643459-21kworker/15:1+events22:30:277
336001899310,28cyclictest0-21swapper/1523:12:237
336001899310,28cyclictest0-21swapper/1522:25:277
336001899310,28cyclictest0-21swapper/1521:39:057
336001899310,28cyclictest0-21swapper/1500:35:037
336001899310,28cyclictest0-21swapper/1500:09:217
336001899310,28cyclictest0-21swapper/1500:01:417
336001699310,30cyclictest0-21swapper/1400:30:526
3360013993129,2cyclictest3536082-21ethtool21:05:205
336001399310,30cyclictest0-21swapper/1323:53:005
336001399310,30cyclictest0-21swapper/1323:11:525
336001399310,30cyclictest0-21swapper/1300:10:155
3360006993130,1cyclictest3769378-21snmpd19:52:203
3360004993130,1cyclictest3769378-21snmpd20:06:082
3359995993129,1cyclictest3769378-21snmpd22:55:2913
3359995993129,1cyclictest3769378-21snmpd22:55:2913
3359992993130,1cyclictest3769378-21snmpd23:24:1112
335998099310,30cyclictest0-21swapper/219:13:018
3359976993131,0cyclictest0-21swapper/123:12:351
336001899300,30cyclictest0-21swapper/1522:49:477
336001899300,30cyclictest0-21swapper/1522:49:477
336001899300,30cyclictest0-21swapper/1522:01:457
336001899300,27cyclictest0-21swapper/1523:40:457
336001899300,27cyclictest0-21swapper/1523:09:417
336001899300,27cyclictest0-21swapper/1519:46:327
336001699300,30cyclictest0-21swapper/1422:52:286
336001699300,30cyclictest0-21swapper/1422:52:286
336001699300,30cyclictest0-21swapper/1421:18:386
336001699300,29cyclictest0-21swapper/1419:45:236
336001699300,1cyclictest0-21swapper/1423:24:386
3360013993029,1cyclictest3769378-21snmpd20:36:045
3360011993029,1cyclictest3769378-21snmpd00:26:274
336001199300,30cyclictest0-21swapper/1223:42:534
336001199300,30cyclictest0-21swapper/1223:25:394
336001199300,30cyclictest0-21swapper/1220:31:074
336001199300,1cyclictest0-21swapper/1223:19:054
3360004993029,1cyclictest3769378-21snmpd19:13:072
336000499300,30cyclictest0-21swapper/1022:01:592
336000499300,30cyclictest0-21swapper/1020:16:082
3360001993029,1cyclictest3769378-21snmpd22:24:0115
336000199300,1cyclictest0-21swapper/900:22:2215
335999799300,30cyclictest0-21swapper/823:39:5714
335999799300,1cyclictest0-21swapper/823:10:2614
3359995993029,1cyclictest0-21swapper/721:48:4813
3359995993029,1cyclictest0-21swapper/721:27:5013
335999599300,1cyclictest0-21swapper/700:11:1313
335999299300,1cyclictest0-21swapper/622:12:1012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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