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2025-07-01 - 04:46

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #8

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 rackbslot8s (updated Tue Jul 01, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41384172133119,9sleep30-21swapper/319:09:433
41383792133119,9sleep20-21swapper/219:09:102
41384022128114,9sleep60-21swapper/619:09:296
41381482127113,9sleep50-21swapper/519:05:525
41381242127113,9sleep10-21swapper/119:05:321
41382442125111,9sleep00-21swapper/019:07:150
41383532122108,9sleep40-21swapper/419:08:474
41381502117102,10sleep70-21swapper/719:05:537
41386939910299,3cyclictest573-21snmpd23:57:184
4138693991020,99cyclictest0-21swapper/420:38:084
4138704991010,101cyclictest0-21swapper/721:08:367
41386999910199,2cyclictest4175486-21kworker/6:222:35:056
41386999910199,2cyclictest4175486-21kworker/6:221:45:526
41386999910199,1cyclictest95332-21kworker/6:122:55:046
41386999910198,2cyclictest95332-21kworker/6:123:41:066
413869999101100,1cyclictest95332-21kworker/6:123:45:346
413869999101100,1cyclictest95332-21kworker/6:123:36:346
413869999101100,1cyclictest95332-21kworker/6:123:21:136
413869999101100,1cyclictest95332-21kworker/6:122:51:186
413869999101100,1cyclictest95332-21kworker/6:122:43:066
413869999101100,1cyclictest95332-21kworker/6:100:33:106
413869999101100,1cyclictest95332-21kworker/6:100:26:166
413869999101100,1cyclictest95332-21kworker/6:100:20:166
413869999101100,1cyclictest95332-21kworker/6:100:17:176
413869999101100,1cyclictest95332-21kworker/6:100:06:026
413869999101100,1cyclictest95332-21kworker/6:100:04:246
413869999101100,1cyclictest4175486-21kworker/6:222:32:586
413869999101100,1cyclictest4175486-21kworker/6:222:29:526
413869999101100,1cyclictest4175486-21kworker/6:222:20:226
413869999101100,1cyclictest4175486-21kworker/6:222:05:106
413869999101100,1cyclictest4175486-21kworker/6:222:04:126
413869999101100,1cyclictest4175486-21kworker/6:222:04:126
413869999101100,1cyclictest4175486-21kworker/6:221:57:106
413869999101100,1cyclictest4175486-21kworker/6:221:42:406
413869999101100,1cyclictest4175486-21kworker/6:221:35:486
413869999101100,1cyclictest4175486-21kworker/6:221:17:486
413869999101100,1cyclictest4175486-21kworker/6:221:10:566
413869999101100,1cyclictest4130658-21kworker/6:120:00:206
4138699991010,100cyclictest0-21swapper/622:45:246
413869399101100,1cyclictest0-21swapper/422:26:334
41386889910197,4cyclictest573-21snmpd00:30:543
41386849910199,2cyclictest573-21snmpd22:02:532
41386849910199,2cyclictest573-21snmpd22:02:522
4138684991010,99cyclictest0-21swapper/223:34:142
41386799910199,2cyclictest573-21snmpd21:54:591
413867999101100,1cyclictest573-21snmpd23:21:441
41386769910199,2cyclictest573-21snmpd23:15:020
41386769910199,2cyclictest573-21snmpd22:53:400
41386769910199,2cyclictest573-21snmpd21:48:370
41386769910199,2cyclictest573-21snmpd19:31:360
41386769910198,3cyclictest573-21snmpd22:09:290
413867699101100,1cyclictest200537-21cat00:25:150
4138704991000,99cyclictest0-21swapper/720:27:327
4138704991000,100cyclictest0-21swapper/722:54:587
41386999910099,1cyclictest95332-21kworker/6:123:55:226
41386999910099,1cyclictest95332-21kworker/6:123:50:156
41386999910099,1cyclictest95332-21kworker/6:123:30:026
41386999910099,1cyclictest95332-21kworker/6:123:25:286
41386999910099,1cyclictest95332-21kworker/6:123:15:126
41386999910099,1cyclictest95332-21kworker/6:123:10:186
41386999910099,1cyclictest95332-21kworker/6:123:05:026
41386999910099,1cyclictest95332-21kworker/6:123:00:216
41386999910099,1cyclictest95332-21kworker/6:100:35:166
41386999910099,1cyclictest95332-21kworker/6:100:10:086
41386999910099,1cyclictest4175486-21kworker/6:222:16:026
41386999910099,1cyclictest4175486-21kworker/6:222:10:216
41386999910099,1cyclictest4175486-21kworker/6:221:51:576
41386999910099,1cyclictest4175486-21kworker/6:221:30:026
41386999910099,1cyclictest4175486-21kworker/6:221:26:076
41386999910099,1cyclictest4175486-21kworker/6:221:20:026
41386999910099,1cyclictest4175486-21kworker/6:221:05:166
41386999910099,1cyclictest4175486-21kworker/6:221:00:196
41386999910099,1cyclictest4175486-21kworker/6:221:00:006
41386999910099,1cyclictest4175486-21kworker/6:220:45:206
41386999910099,1cyclictest4175486-21kworker/6:220:40:146
41386999910099,1cyclictest4175486-21kworker/6:220:30:226
41386999910099,1cyclictest4175486-21kworker/6:220:27:286
41386999910099,1cyclictest4130658-21kworker/6:120:14:596
41386999910099,1cyclictest4130658-21kworker/6:120:10:226
41386999910099,1cyclictest4130658-21kworker/6:120:05:126
41386999910099,1cyclictest4130658-21kworker/6:119:57:286
41386999910099,1cyclictest4130658-21kworker/6:119:50:116
41386999910099,1cyclictest4130658-21kworker/6:119:47:286
41386999910099,1cyclictest4130658-21kworker/6:119:40:226
41386999910099,1cyclictest4130658-21kworker/6:119:25:206
41386999910099,1cyclictest4130658-21kworker/6:119:20:206
41386999910099,1cyclictest4130658-21kworker/6:119:15:126
41386999910099,1cyclictest4130658-21kworker/6:119:14:546
41386999910097,1cyclictest4175486-21kworker/6:220:38:596
41386979910099,1cyclictest573-21snmpd23:40:595
41386979910098,2cyclictest573-21snmpd23:48:445
41386979910098,2cyclictest573-21snmpd21:25:315
41386979910098,2cyclictest573-21snmpd20:07:015
41386979910098,2cyclictest573-21snmpd19:59:525
41386939910099,1cyclictest573-21snmpd21:38:434
41386939910099,1cyclictest573-21snmpd20:52:054
41386939910099,1cyclictest4181679-21cat20:30:174
41386939910098,2cyclictest4158364-21cat19:45:144
41386939910097,3cyclictest573-21snmpd00:17:554
4138693991000,99cyclictest0-21swapper/423:20:534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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