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2024-11-24 - 07:45

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 Sun Nov 24, 2024 00:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31787212356316,13sleep50-21swapper/519:08:3911
31785542348342,4sleep00-21swapper/019:06:090
31786192347339,5sleep100-21swapper/1019:07:072
31787882343323,13sleep20-21swapper/219:09:408
31785812341321,13sleep80-21swapper/819:06:3314
31787982340319,14sleep120-21swapper/1219:09:514
31787132339315,16sleep140-21swapper/1419:08:316
31785672339319,13sleep130-21swapper/1319:06:235
31786652338317,14sleep30-21swapper/319:07:489
31785112338318,13sleep90-21swapper/919:05:2915
31787402337316,14sleep70-21swapper/719:08:5613
31788072336315,14sleep40-21swapper/419:09:5910
31788042336316,13sleep10-21swapper/119:09:551
31786772336315,14sleep150-21swapper/1519:08:007
31787802333310,15sleep110-21swapper/1119:09:333
31785792332311,14sleep60-21swapper/619:06:3212
3179139994431,13cyclictest0-21swapper/1200:21:114
3179104994241,1cyclictest1447-21snmpd20:00:008
3179145994140,1cyclictest1447-21snmpd22:57:066
3179145994140,1cyclictest1447-21snmpd22:44:476
3179098994113,27cyclictest0-21swapper/023:29:280
3179133993938,1cyclictest0-21swapper/1020:00:002
3179128993938,1cyclictest1447-21snmpd22:43:3814
3179110993837,1cyclictest0-21swapper/423:06:5510
3179128993736,1cyclictest1447-21snmpd23:39:1014
3179128993736,1cyclictest1447-21snmpd23:39:0914
317909899360,36cyclictest0-21swapper/022:20:290
3179143993534,1cyclictest0-21swapper/1322:20:295
3179130993535,0cyclictest0-21swapper/900:38:3215
3179110993434,0cyclictest0-21swapper/422:27:3410
317914999320,14cyclictest0-21swapper/1520:05:437
3179119993232,0cyclictest0-21swapper/620:13:4912
317911099320,31cyclictest0-21swapper/422:52:5410
317910299329,17cyclictest0-21swapper/121:15:501
3179143993130,1cyclictest0-21swapper/1323:30:485
3179139993130,1cyclictest1447-21snmpd22:54:534
3179128993130,1cyclictest1447-21snmpd22:12:5014
3179139993030,0cyclictest0-21swapper/1220:13:494
317913999300,30cyclictest0-21swapper/1200:31:574
317913699300,30cyclictest0-21swapper/1123:34:593
3179130993030,0cyclictest0-21swapper/921:50:1715
3179130993030,0cyclictest0-21swapper/921:50:1615
3179128993010,3cyclictest0-21swapper/821:11:1214
3179128993010,3cyclictest0-21swapper/821:11:1114
317912399300,0cyclictest0-21swapper/722:58:5913
317911499300,27cyclictest0-21swapper/520:28:5211
3179110993030,0cyclictest0-21swapper/423:12:5810
3179110993030,0cyclictest0-21swapper/421:54:4310
3179110993030,0cyclictest0-21swapper/421:54:4210
3179110993027,3cyclictest0-21swapper/423:16:1510
317911099300,29cyclictest0-21swapper/422:56:5110
317911099300,0cyclictest0-21swapper/419:15:1510
3179149992929,0cyclictest0-21swapper/1523:38:097
3179149992929,0cyclictest0-21swapper/1523:38:097
3179123992928,1cyclictest1447-21snmpd23:01:1513
317911499290,29cyclictest0-21swapper/520:15:4111
317910299290,29cyclictest0-21swapper/100:29:571
3179149992828,0cyclictest0-21swapper/1521:14:597
3179149992828,0cyclictest0-21swapper/1521:14:597
3179145992827,1cyclictest0-21swapper/1400:11:586
317914399280,27cyclictest0-21swapper/1321:41:425
317914399280,27cyclictest0-21swapper/1320:47:175
317913999280,28cyclictest0-21swapper/1219:35:374
3179136992827,1cyclictest1447-21snmpd21:30:513
317913699280,27cyclictest0-21swapper/1123:15:423
3179130992827,1cyclictest1447-21snmpd20:51:2615
317913099280,28cyclictest0-21swapper/921:34:5915
317913099280,27cyclictest0-21swapper/920:34:0815
317913099280,27cyclictest0-21swapper/919:40:5215
317913099280,27cyclictest0-21swapper/919:28:1515
317913099280,27cyclictest0-21swapper/919:28:1415
317912899280,27cyclictest0-21swapper/820:43:5714
3179123992827,1cyclictest1447-21snmpd00:35:5713
317912399280,27cyclictest0-21swapper/722:39:1813
317912399280,27cyclictest0-21swapper/721:04:1413
317912399280,27cyclictest0-21swapper/719:15:0013
3179119992827,1cyclictest1447-21snmpd19:11:3012
3179114992826,2cyclictest3401345-21cat00:25:1511
3179110992828,0cyclictest0-21swapper/422:00:4010
317911099280,27cyclictest0-21swapper/423:50:2010
317910799280,27cyclictest0-21swapper/322:51:219
317910499280,27cyclictest0-21swapper/223:05:338
3179102992828,0cyclictest0-21swapper/123:49:041
317910299280,27cyclictest0-21swapper/121:29:571
317909899280,27cyclictest0-21swapper/021:07:210
317909899280,27cyclictest0-21swapper/020:05:140
3179149992727,0cyclictest0-21swapper/1519:43:587
3179149992726,1cyclictest3383916-21mii-tool00:00:157
3179149992726,1cyclictest3335121-21mii-tool22:50:177
317914999270,26cyclictest0-21swapper/1523:40:137
317914999270,26cyclictest0-21swapper/1519:12:457
3179145992726,1cyclictest1447-21snmpd20:28:166
317914599270,26cyclictest0-21swapper/1423:52:356
3179143992726,1cyclictest1447-21snmpd00:24:425
317914399270,26cyclictest0-21swapper/1320:56:415
317914399270,26cyclictest0-21swapper/1319:44:365
317914399270,26cyclictest0-21swapper/1300:35:425
317913999278,18cyclictest0-21swapper/1223:28:524
317913999270,27cyclictest0-21swapper/1221:47:244
3179136992727,0cyclictest0-21swapper/1123:06:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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