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2025-11-14 - 14:39

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 Fri Nov 14, 2025 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
382984199171171,0cyclictest0-21swapper/021:00:380
38294452133103,9sleep50-21swapper/519:07:365
38296122132103,10sleep10-21swapper/119:09:561
382984199131129,2cyclictest546-21snmpd23:55:170
38295182126111,10sleep30-21swapper/319:08:383
38293882126111,10sleep60-21swapper/619:06:506
38294332124110,9sleep20-21swapper/219:07:252
38293952121107,9sleep40-21swapper/419:06:554
38295332119104,10sleep70-21swapper/719:08:517
3829362211485,10sleep00-21swapper/019:06:270
38298469910699,6cyclictest546-21snmpd19:33:381
3829846991040,100cyclictest0-21swapper/100:36:081
38298659910299,3cyclictest546-21snmpd22:10:486
38298659910295,2cyclictest0-21swapper/622:26:206
38298569910299,3cyclictest546-21snmpd23:17:224
38298569910299,3cyclictest546-21snmpd22:10:304
38298569910299,3cyclictest546-21snmpd19:20:504
3829856991020,102cyclictest0-21swapper/421:15:154
38298529910299,3cyclictest546-21snmpd22:16:023
382984899102100,2cyclictest546-21snmpd23:03:222
3829846991020,0cyclictest0-21swapper/121:03:471
3829868991010,0cyclictest0-21swapper/719:22:227
3829868991010,0cyclictest0-21swapper/700:12:517
38298659910198,3cyclictest546-21snmpd23:31:306
38298659910198,3cyclictest3930455-21cat21:45:156
3829860991010,100cyclictest3836127-21cut19:20:145
38298569910199,2cyclictest546-21snmpd23:24:054
38298569910198,3cyclictest546-21snmpd21:25:014
38298529910199,2cyclictest546-21snmpd23:36:503
38298529910198,3cyclictest546-21snmpd23:20:593
382985299101100,1cyclictest546-21snmpd23:09:283
382985299101100,1cyclictest546-21snmpd20:28:523
3829848991010,100cyclictest0-21swapper/223:06:102
3829848991010,100cyclictest0-21swapper/222:03:352
38298469910199,2cyclictest546-21snmpd22:49:031
38298469910199,2cyclictest546-21snmpd19:40:301
38298469910198,3cyclictest546-21snmpd19:37:241
3829846991010,0cyclictest0-21swapper/119:46:111
382984199101100,1cyclictest3849228-21cat19:45:140
3829841991010,100cyclictest0-21swapper/020:50:170
3829868991000,99cyclictest0-21swapper/722:01:197
3829868991000,99cyclictest0-21swapper/720:28:167
3829868991000,0cyclictest0-21swapper/719:27:457
38298659910099,1cyclictest546-21snmpd23:06:026
38298659910099,1cyclictest546-21snmpd23:00:406
38298659910099,1cyclictest546-21snmpd22:03:586
38298659910099,1cyclictest546-21snmpd21:12:596
38298659910099,1cyclictest546-21snmpd20:54:536
38298659910099,1cyclictest546-21snmpd20:49:506
38298659910099,1cyclictest546-21snmpd20:18:466
38298659910098,2cyclictest546-21snmpd19:50:396
38298659910098,2cyclictest546-21snmpd00:36:226
38298659910097,3cyclictest546-21snmpd22:39:316
38298659910097,3cyclictest546-21snmpd21:42:246
3829865991000,99cyclictest0-21swapper/622:50:546
3829865991000,99cyclictest0-21swapper/620:02:006
3829865991000,99cyclictest0-21swapper/600:02:066
3829865991000,100cyclictest0-21swapper/623:27:116
3829865991000,100cyclictest0-21swapper/619:13:106
3829865991000,100cyclictest0-21swapper/600:24:596
38298609910099,1cyclictest546-21snmpd23:47:505
38298609910099,1cyclictest546-21snmpd23:32:415
38298609910099,1cyclictest546-21snmpd23:14:315
38298609910099,1cyclictest546-21snmpd22:56:165
38298609910099,1cyclictest546-21snmpd22:33:445
38298609910099,1cyclictest546-21snmpd22:29:355
38298609910099,1cyclictest546-21snmpd21:25:405
38298609910099,1cyclictest546-21snmpd21:06:565
38298609910099,1cyclictest546-21snmpd20:51:115
38298609910099,1cyclictest546-21snmpd20:33:525
38298609910099,1cyclictest546-21snmpd20:12:435
38298609910099,1cyclictest546-21snmpd19:47:395
38298609910099,1cyclictest546-21snmpd19:42:145
38298609910099,1cyclictest546-21snmpd00:28:435
38298609910099,0cyclictest546-21snmpd19:31:415
38298609910098,2cyclictest546-21snmpd21:49:505
3829860991000,99cyclictest0-21swapper/522:08:045
3829860991000,99cyclictest0-21swapper/521:18:245
3829860991000,99cyclictest0-21swapper/500:00:275
3829860991000,100cyclictest0-21swapper/522:23:535
3829860991000,100cyclictest0-21swapper/520:55:165
3829860991000,100cyclictest0-21swapper/519:19:435
38298569910099,1cyclictest546-21snmpd23:25:564
38298569910099,1cyclictest546-21snmpd21:38:004
38298569910098,2cyclictest546-21snmpd20:21:244
3829856991000,100cyclictest0-21swapper/422:50:164
3829856991000,100cyclictest0-21swapper/421:33:544
3829856991000,100cyclictest0-21swapper/421:01:394
38298529910099,1cyclictest546-21snmpd23:41:593
38298529910099,1cyclictest546-21snmpd19:22:473
38298529910099,1cyclictest546-21snmpd19:11:493
38298529910099,1cyclictest546-21snmpd00:19:523
38298529910098,2cyclictest546-21snmpd22:24:413
38298529910098,2cyclictest546-21snmpd21:32:063
38298529910098,1cyclictest597-21lldpd19:51:253
38298489910099,1cyclictest546-21snmpd22:36:212
38298489910099,1cyclictest546-21snmpd21:43:382
38298489910099,1cyclictest546-21snmpd21:27:512
38298489910099,1cyclictest546-21snmpd20:15:002
38298489910099,1cyclictest546-21snmpd20:03:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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