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2025-12-07 - 20:35

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 Sun Dec 07, 2025 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4187892132117,10sleep30-21swapper/307:08:223
4186502129117,8sleep40-21swapper/407:06:224
4186102128113,10sleep20-21swapper/207:05:482
4186062124109,10sleep70-21swapper/707:05:457
4188192122106,10sleep60-21swapper/607:08:496
4186092122108,9sleep10-21swapper/107:05:471
4185902121106,10sleep00-21swapper/007:05:300
4186042115101,9sleep50-21swapper/507:05:435
419154991050,102cyclictest0-21swapper/409:19:594
419146991030,100cyclictest0-21swapper/212:11:162
419141991030,100cyclictest0-21swapper/109:59:061
4191619910299,3cyclictest3437785-21snmpd11:17:056
4191499910299,3cyclictest3437785-21snmpd09:57:333
4191469910299,3cyclictest3437785-21snmpd11:28:362
4191419910299,3cyclictest3437785-21snmpd07:24:321
419165991010,99cyclictest0-21swapper/711:26:187
419165991010,99cyclictest0-21swapper/710:31:227
419161991010,0cyclictest0-21swapper/608:33:156
419158991010,100cyclictest482602-21meminfo09:10:155
4191549910199,2cyclictest3437785-21snmpd09:49:054
4191499910199,2cyclictest3437785-21snmpd12:22:433
4191499910199,2cyclictest3437785-21snmpd11:58:093
4191499910199,2cyclictest3437785-21snmpd10:30:163
4191499910199,2cyclictest3437785-21snmpd10:25:463
4191499910199,2cyclictest3437785-21snmpd07:41:523
4191499910199,2cyclictest3437785-21snmpd07:12:573
4191499910198,3cyclictest3437785-21snmpd12:00:043
4191469910199,2cyclictest3437785-21snmpd10:05:392
4191469910199,2cyclictest3437785-21snmpd08:11:352
4191469910198,3cyclictest3437785-21snmpd11:46:182
419146991010,99cyclictest0-21swapper/208:37:362
419146991010,101cyclictest0-21swapper/210:52:322
419146991010,100cyclictest481129-21diskmemload11:33:242
419146991010,0cyclictest0-21swapper/209:43:412
4191419910199,2cyclictest3437785-21snmpd10:08:151
4191419910199,2cyclictest3437785-21snmpd09:51:151
4191419910199,2cyclictest3437785-21snmpd09:44:471
41914199101100,1cyclictest3437785-21snmpd11:20:001
419141991010,100cyclictest0-21swapper/112:35:261
419141991010,0cyclictest0-21swapper/109:06:011
4191379910199,1cyclictest3437785-21snmpd11:26:360
419137991010,100cyclictest0-21swapper/009:48:140
419137991010,100cyclictest0-21swapper/009:15:490
419165991000,99cyclictest0-21swapper/711:57:337
419165991000,99cyclictest0-21swapper/711:41:547
419165991000,100cyclictest0-21swapper/710:50:207
419165991000,100cyclictest0-21swapper/710:40:407
419165991000,100cyclictest0-21swapper/710:18:077
419165991000,100cyclictest0-21swapper/709:56:007
419165991000,100cyclictest0-21swapper/709:24:297
419165991000,100cyclictest0-21swapper/707:31:527
4191619910099,1cyclictest3437785-21snmpd10:52:116
4191619910099,1cyclictest3437785-21snmpd07:35:046
4191619910099,1cyclictest3437785-21snmpd07:32:196
4191619910098,2cyclictest3437785-21snmpd12:21:586
4191619910098,2cyclictest3437785-21snmpd08:38:546
4191619910097,3cyclictest3437785-21snmpd10:30:036
419161991000,99cyclictest523324-21ssh09:54:216
419161991000,99cyclictest0-21swapper/611:32:396
419161991000,99cyclictest0-21swapper/610:04:396
419161991000,99cyclictest0-21swapper/608:13:056
419161991000,99cyclictest0-21swapper/607:57:476
419161991000,99cyclictest0-21swapper/607:50:376
419161991000,100cyclictest0-21swapper/611:58:396
4191589910098,2cyclictest3437785-21snmpd07:35:015
4191589910098,2cyclictest0-21swapper/510:50:565
419158991000,99cyclictest0-21swapper/510:57:505
419158991000,99cyclictest0-21swapper/510:12:455
419158991000,99cyclictest0-21swapper/508:59:195
419158991000,99cyclictest0-21swapper/508:34:275
419158991000,99cyclictest0-21swapper/508:11:415
419158991000,99cyclictest0-21swapper/508:08:535
419158991000,1cyclictest0-21swapper/512:05:015
419158991000,1cyclictest0-21swapper/508:15:205
419158991000,100cyclictest650011-21ssh12:03:555
419158991000,100cyclictest0-21swapper/510:42:405
4191549910099,1cyclictest3437785-21snmpd12:20:224
4191549910099,1cyclictest3437785-21snmpd11:44:084
4191549910099,1cyclictest3437785-21snmpd09:07:464
4191549910099,1cyclictest3437785-21snmpd08:46:244
4191549910099,1cyclictest3437785-21snmpd07:28:164
4191549910099,0cyclictest3437785-21snmpd08:41:324
419154991000,1cyclictest0-21swapper/412:16:494
419154991000,100cyclictest0-21swapper/412:33:494
419154991000,100cyclictest0-21swapper/412:25:584
419154991000,100cyclictest0-21swapper/407:32:344
4191499910099,1cyclictest3437785-21snmpd11:10:173
4191499910099,1cyclictest3437785-21snmpd10:40:493
4191499910099,1cyclictest3437785-21snmpd10:10:513
4191499910099,1cyclictest3437785-21snmpd10:05:573
4191499910099,1cyclictest3437785-21snmpd09:12:073
4191499910099,1cyclictest3437785-21snmpd07:29:483
4191499910098,2cyclictest3437785-21snmpd08:10:593
4191499910098,2cyclictest3437785-21snmpd07:46:343
4191499910098,1cyclictest3437785-21snmpd12:19:253
4191499910097,3cyclictest3437785-21snmpd11:32:453
4191499910096,3cyclictest3437785-21snmpd08:02:383
4191469910099,1cyclictest3437785-21snmpd11:41:482
4191469910099,1cyclictest3437785-21snmpd07:58:262
4191469910099,1cyclictest3437785-21snmpd07:50:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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