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2026-07-30 - 04:58

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 Wed Jul 29, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1462522145130,10sleep60-21swapper/607:09:126
1441962118103,10sleep20-21swapper/207:05:082
1462802114105,5sleep70-21swapper/707:09:377
146305211398,10sleep30-21swapper/307:09:583
145988211398,10sleep40-21swapper/407:05:264
14654899111110,1cyclictest0-21swapper/209:15:412
14654899111110,1cyclictest0-21swapper/209:15:412
146141211095,10sleep00-21swapper/007:07:380
146007210894,9sleep50-21swapper/507:05:425
146041210691,10sleep10-21swapper/107:06:111
14655999103100,3cyclictest553-21snmpd12:20:255
1465519910399,3cyclictest553-21snmpd11:02:133
1465519910398,4cyclictest553-21snmpd09:24:423
1465519910398,4cyclictest553-21snmpd09:24:413
1465649910299,2cyclictest0-21swapper/609:18:096
1465649910299,2cyclictest0-21swapper/609:18:086
146564991020,102cyclictest0-21swapper/610:19:056
1465599910299,3cyclictest553-21snmpd10:38:335
1465599910299,3cyclictest553-21snmpd08:07:335
1465599910299,2cyclictest553-21snmpd09:41:255
146559991020,101cyclictest0-21swapper/512:34:045
1465409910299,3cyclictest553-21snmpd10:06:460
146540991020,0cyclictest0-21swapper/009:18:300
146540991020,0cyclictest0-21swapper/009:18:290
146567991010,100cyclictest0-21swapper/711:28:077
146567991010,100cyclictest0-21swapper/709:22:277
146567991010,100cyclictest0-21swapper/709:22:277
146567991010,100cyclictest0-21swapper/708:27:317
1465649910198,3cyclictest553-21snmpd07:28:436
146564991010,101cyclictest0-21swapper/612:29:346
146564991010,100cyclictest0-21swapper/611:09:496
1465599910198,3cyclictest553-21snmpd12:01:065
1465599910197,4cyclictest365368-21cat11:30:175
146559991010,100cyclictest0-21swapper/509:20:395
146559991010,100cyclictest0-21swapper/509:20:395
146559991010,100cyclictest0-21swapper/509:03:355
146559991010,0cyclictest0-21swapper/510:03:585
146556991010,100cyclictest0-21swapper/411:34:024
146556991010,100cyclictest0-21swapper/407:59:574
1465519910199,2cyclictest553-21snmpd12:16:543
1465519910199,2cyclictest553-21snmpd10:25:503
1465519910198,3cyclictest553-21snmpd09:17:063
1465519910198,3cyclictest553-21snmpd09:17:063
1465489910199,2cyclictest553-21snmpd11:29:052
146548991010,100cyclictest0-21swapper/211:40:042
1465459910199,2cyclictest553-21snmpd12:01:481
14654599101100,1cyclictest553-21snmpd11:00:161
1465409910199,2cyclictest553-21snmpd12:02:380
146540991010,99cyclictest0-21swapper/008:31:270
146540991010,101cyclictest257687-21ssh09:54:250
146540991010,0cyclictest0-21swapper/007:16:310
146567991000,99cyclictest0-21swapper/711:37:147
146567991000,99cyclictest0-21swapper/709:55:277
146567991000,99cyclictest0-21swapper/709:39:007
146567991000,99cyclictest0-21swapper/707:33:017
146567991000,1cyclictest0-21swapper/707:39:277
146567991000,100cyclictest0-21swapper/711:59:387
146567991000,100cyclictest0-21swapper/710:14:177
1465649910099,1cyclictest553-21snmpd09:00:296
1465649910098,2cyclictest553-21snmpd12:31:106
1465649910098,2cyclictest553-21snmpd11:48:296
1465649910098,2cyclictest553-21snmpd07:58:026
1465649910098,2cyclictest553-21snmpd07:24:296
1465649910097,3cyclictest553-21snmpd08:05:306
1465649910097,2cyclictest553-21snmpd08:00:126
146564991000,99cyclictest0-21swapper/610:20:136
146564991000,99cyclictest0-21swapper/610:10:086
146564991000,99cyclictest0-21swapper/608:50:326
146564991000,100cyclictest0-21swapper/611:51:256
146564991000,100cyclictest0-21swapper/609:27:486
146564991000,100cyclictest0-21swapper/608:46:286
146564991000,100cyclictest0-21swapper/607:10:296
1465599910099,1cyclictest553-21snmpd12:18:415
1465599910099,1cyclictest553-21snmpd10:19:565
1465599910099,1cyclictest553-21snmpd07:13:325
1465599910098,2cyclictest553-21snmpd11:15:245
1465599910098,2cyclictest553-21snmpd10:47:535
1465599910098,2cyclictest553-21snmpd08:38:285
1465599910098,2cyclictest226210-21cat09:25:145
146559991000,99cyclictest0-21swapper/512:37:435
146559991000,99cyclictest0-21swapper/509:36:515
146559991000,99cyclictest0-21swapper/507:27:345
146559991000,100cyclictest0-21swapper/508:25:165
146559991000,100cyclictest0-21swapper/507:45:095
1465569910099,1cyclictest553-21snmpd11:10:274
1465569910099,1cyclictest553-21snmpd10:29:594
1465569910099,1cyclictest553-21snmpd09:08:494
1465569910099,1cyclictest553-21snmpd08:40:514
1465569910099,1cyclictest553-21snmpd08:17:454
1465569910098,2cyclictest553-21snmpd12:26:044
1465569910098,1cyclictest605-21lldpd07:15:564
146556991000,1cyclictest328789-21ssh10:57:304
146556991000,100cyclictest0-21swapper/412:19:324
146556991000,100cyclictest0-21swapper/411:35:164
146556991000,100cyclictest0-21swapper/410:07:114
146556991000,100cyclictest0-21swapper/409:33:564
146556991000,100cyclictest0-21swapper/408:20:554
146556991000,0cyclictest0-21swapper/411:08:524
1465519910099,1cyclictest553-21snmpd10:38:243
1465519910099,1cyclictest553-21snmpd09:42:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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