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2024-04-27 - 05:42

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #5

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 rack0slot5s.osadl.org (updated Sat Apr 27, 2024 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8855852401395,4sleep100-21swapper/1019:07:222
8855772399393,3sleep20-21swapper/219:07:138
8855832398392,4sleep80-21swapper/819:07:2014
8857202397391,4sleep40-21swapper/419:09:2310
8857112397391,4sleep120-21swapper/1219:09:164
8855422397391,4sleep60-21swapper/619:06:4612
8855842396390,4sleep90-21swapper/919:07:2115
8855822396390,4sleep70-21swapper/719:07:1913
8854972396390,4sleep150-21swapper/1519:06:067
8857272395389,4sleep110-21swapper/1119:09:313
8856422395389,4sleep130-21swapper/1319:08:135
8855722395389,4sleep140-21swapper/1419:07:106
8855182395389,4sleep10-21swapper/119:06:241
8856492394388,4sleep30-21swapper/319:08:189
8854512394388,4sleep50-21swapper/519:05:2411
8856292392386,4sleep00-21swapper/019:07:590
886097993230,2cyclictest0-21swapper/1523:30:127
88606099300,27cyclictest0-21swapper/419:10:1510
88606099294,25cyclictest0-21swapper/420:25:0910
88609799280,25cyclictest0-21swapper/1520:10:137
886094992827,1cyclictest1005269-21snmpd22:33:246
88609499280,27cyclictest0-21swapper/1420:00:136
88609499280,27cyclictest0-21swapper/1400:25:196
88609499280,26cyclictest0-21swapper/1421:55:136
88608299280,27cyclictest0-21swapper/1022:25:272
886078992825,1cyclictest1005269-21snmpd23:32:1615
88607699280,27cyclictest0-21swapper/819:12:3914
88607299280,27cyclictest0-21swapper/721:44:2913
88606799280,27cyclictest0-21swapper/622:30:5312
88606299280,27cyclictest0-21swapper/520:50:0311
88606299280,27cyclictest0-21swapper/520:36:1411
88606099280,1cyclictest0-21swapper/419:35:0410
88605599280,27cyclictest0-21swapper/222:23:278
886049992826,2cyclictest1005269-21snmpd23:54:530
88604999280,27cyclictest0-21swapper/023:24:380
88609799270,27cyclictest0-21swapper/1522:13:377
886094992726,1cyclictest1005269-21snmpd22:15:266
886094992726,1cyclictest1005269-21snmpd21:11:276
886094992726,1cyclictest1005269-21snmpd20:37:186
886092992726,1cyclictest1005269-21snmpd23:19:225
886092992726,1cyclictest1005269-21snmpd20:31:475
88609299270,27cyclictest0-21swapper/1323:06:095
886087992726,1cyclictest1005269-21snmpd22:42:214
886087992726,1cyclictest1005269-21snmpd21:30:044
886087992726,1cyclictest1005269-21snmpd21:29:224
886085992726,1cyclictest1005269-21snmpd20:03:193
886085992726,1cyclictest1005269-21snmpd19:32:523
886085992726,1cyclictest0-21swapper/1122:10:253
886078992726,1cyclictest1005269-21snmpd23:59:2315
88607899270,1cyclictest0-21swapper/921:47:4615
886076992726,1cyclictest1005269-21snmpd00:32:1014
88607699270,26cyclictest0-21swapper/819:52:5914
88607299270,26cyclictest0-21swapper/723:45:5913
88607299270,1cyclictest0-21swapper/721:14:3613
88607299270,1cyclictest0-21swapper/720:15:2613
886067992726,1cyclictest1005269-21snmpd23:58:5112
886067992726,1cyclictest1005269-21snmpd22:39:4812
886067992726,1cyclictest1005269-21snmpd19:42:4912
88606799270,26cyclictest0-21swapper/619:48:0712
886062992726,1cyclictest1005269-21snmpd21:32:4811
886062992726,1cyclictest1005269-21snmpd20:26:4711
886062992726,1cyclictest1005269-21snmpd00:04:5011
88606299270,1cyclictest0-21swapper/520:11:2811
886060992726,1cyclictest1005269-21snmpd23:52:3210
886060992726,1cyclictest1005269-21snmpd22:33:1210
886057992726,1cyclictest1005269-21snmpd20:44:179
88605799270,1cyclictest0-21swapper/320:03:479
886055992726,1cyclictest1005269-21snmpd22:53:338
886055992726,1cyclictest1005269-21snmpd21:24:108
88605199270,27cyclictest0-21swapper/123:58:421
88605199270,27cyclictest0-21swapper/100:04:021
886049992726,1cyclictest1005269-21snmpd22:46:090
886049992726,1cyclictest1005269-21snmpd19:53:560
886049992726,1cyclictest1005269-21snmpd19:12:430
886049992725,1cyclictest1005269-21snmpd23:18:540
886094992625,1cyclictest1005269-21snmpd19:47:256
886094992625,1cyclictest1005269-21snmpd00:06:266
886094992621,5cyclictest0-21swapper/1422:40:166
886092992625,1cyclictest1005269-21snmpd20:00:045
88609299260,26cyclictest0-21swapper/1321:52:055
88609299260,26cyclictest0-21swapper/1319:13:095
88609299260,0cyclictest0-21swapper/1322:11:195
886087992625,1cyclictest1005269-21snmpd23:50:164
886087992625,1cyclictest1005269-21snmpd21:08:314
886087992625,1cyclictest1005269-21snmpd00:22:334
886085992625,1cyclictest1005269-21snmpd23:44:253
886082992625,1cyclictest1005269-21snmpd22:03:442
886082992625,1cyclictest1005269-21snmpd00:03:232
886078992625,1cyclictest1005269-21snmpd21:27:0315
886076992623,3cyclictest0-21swapper/819:45:1414
886067992625,1cyclictest1005269-21snmpd21:37:4912
886067992625,1cyclictest1005269-21snmpd19:37:5812
886067992625,1cyclictest1005269-21snmpd00:09:1812
886062992625,1cyclictest1005269-21snmpd22:46:5711
886060992625,1cyclictest1005269-21snmpd21:50:0710
886060992623,3cyclictest0-21swapper/422:50:1510
886057992625,1cyclictest1005269-21snmpd22:54:039
886055992625,1cyclictest1005269-21snmpd22:25:208
886055992625,1cyclictest1005269-21snmpd21:52:138
88605599260,26cyclictest0-21swapper/222:00:258
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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