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2026-05-22 - 00:09

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 Thu May 21, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21445962119106,8sleep60-21swapper/607:08:346
2144434211990,10sleep10-21swapper/107:06:121
21443932119105,9sleep70-21swapper/707:05:377
21446022115100,10sleep30-21swapper/307:08:393
2144586211399,9sleep50-21swapper/507:08:255
2144446211399,9sleep40-21swapper/407:06:234
2142586211399,9sleep20-21swapper/207:05:092
2144626210591,9sleep00-21swapper/007:08:590
2144965991030,100cyclictest0-21swapper/712:35:137
2144957991030,100cyclictest0-21swapper/511:04:465
21449419910399,4cyclictest553-21snmpd11:01:081
2144965991020,100cyclictest0-21swapper/709:11:547
21449579910299,3cyclictest553-21snmpd12:26:025
2144957991020,99cyclictest0-21swapper/510:39:165
21449559910299,3cyclictest553-21snmpd08:20:024
214495599102100,2cyclictest553-21snmpd11:03:074
21449419910299,3cyclictest553-21snmpd09:47:381
2144965991010,101cyclictest0-21swapper/708:12:597
2144965991010,100cyclictest0-21swapper/710:21:427
21449579910199,2cyclictest553-21snmpd11:48:595
21449579910199,2cyclictest553-21snmpd09:43:015
2144957991010,101cyclictest0-21swapper/508:01:025
2144957991010,101cyclictest0-21swapper/507:33:525
21449559910199,2cyclictest553-21snmpd11:29:274
21449559910199,2cyclictest553-21snmpd08:47:324
21449559910198,3cyclictest553-21snmpd08:40:054
2144955991010,101cyclictest0-21swapper/409:24:254
2144955991010,100cyclictest0-21swapper/407:35:124
21449469910199,2cyclictest553-21snmpd09:49:352
21449469910199,2cyclictest553-21snmpd07:57:312
21449469910199,1cyclictest553-21snmpd12:38:412
21449469910198,2cyclictest553-21snmpd10:32:512
214494199101100,1cyclictest553-21snmpd07:26:571
2144941991010,101cyclictest0-21swapper/112:23:071
2144941991010,101cyclictest0-21swapper/110:48:091
2144937991010,100cyclictest0-21swapper/009:40:080
2144965991000,99cyclictest0-21swapper/712:31:237
2144965991000,99cyclictest0-21swapper/711:46:397
2144965991000,99cyclictest0-21swapper/709:34:497
2144965991000,100cyclictest0-21swapper/708:06:147
21449619910099,1cyclictest553-21snmpd09:56:356
21449619910099,1cyclictest553-21snmpd08:43:366
2144961991000,99cyclictest0-21swapper/612:20:506
2144961991000,99cyclictest0-21swapper/609:38:406
2144961991000,99cyclictest0-21swapper/609:00:146
2144961991000,98cyclictest0-21swapper/608:36:426
2144961991000,100cyclictest0-21swapper/609:25:226
21449579910099,1cyclictest553-21snmpd12:36:375
21449579910099,1cyclictest553-21snmpd11:32:365
21449579910099,1cyclictest553-21snmpd10:27:505
21449579910099,1cyclictest553-21snmpd10:02:165
21449579910099,1cyclictest553-21snmpd09:32:485
21449579910099,1cyclictest553-21snmpd07:38:315
21449579910098,2cyclictest553-21snmpd09:12:125
21449579910097,3cyclictest553-21snmpd11:24:045
21449579910097,3cyclictest553-21snmpd07:21:475
21449579910096,4cyclictest553-21snmpd12:34:585
2144957991000,99cyclictest0-21swapper/512:09:395
2144957991000,100cyclictest0-21swapper/511:13:505
2144957991000,100cyclictest0-21swapper/509:59:565
21449559910099,1cyclictest553-21snmpd12:12:304
21449559910099,1cyclictest553-21snmpd11:21:404
21449559910099,1cyclictest553-21snmpd10:15:454
21449559910099,1cyclictest553-21snmpd09:50:294
21449559910099,1cyclictest553-21snmpd09:30:484
21449559910099,1cyclictest553-21snmpd08:17:104
21449559910098,2cyclictest553-21snmpd10:23:144
21449559910098,2cyclictest553-21snmpd08:29:264
2144955991000,99cyclictest0-21swapper/410:50:044
2144955991000,99cyclictest0-21swapper/409:25:014
2144955991000,99cyclictest0-21swapper/407:47:544
2144955991000,99cyclictest0-21swapper/407:23:474
2144955991000,100cyclictest0-21swapper/411:34:424
21449509910099,1cyclictest553-21snmpd12:39:533
21449509910099,1cyclictest553-21snmpd12:29:113
21449509910099,1cyclictest553-21snmpd11:50:423
21449509910099,1cyclictest553-21snmpd11:29:033
21449509910099,1cyclictest553-21snmpd11:20:433
21449509910099,1cyclictest553-21snmpd11:05:533
21449509910099,1cyclictest553-21snmpd10:35:403
21449509910099,1cyclictest553-21snmpd09:51:083
21449509910099,1cyclictest553-21snmpd08:19:013
21449509910099,1cyclictest553-21snmpd08:09:413
21449469910099,1cyclictest553-21snmpd10:53:062
21449469910099,1cyclictest553-21snmpd10:15:352
21449469910099,1cyclictest553-21snmpd10:01:322
21449469910099,1cyclictest553-21snmpd09:34:422
21449469910099,1cyclictest553-21snmpd08:04:172
2144946991000,100cyclictest0-21swapper/210:59:332
2144946991000,100cyclictest0-21swapper/207:35:192
21449419910099,1cyclictest553-21snmpd12:25:071
21449419910099,1cyclictest553-21snmpd12:03:121
21449419910099,1cyclictest553-21snmpd11:18:461
21449419910099,1cyclictest553-21snmpd10:56:341
21449419910099,1cyclictest553-21snmpd09:53:551
21449419910099,1cyclictest553-21snmpd07:56:131
21449419910099,1cyclictest2342437-21cat11:10:131
21449419910098,2cyclictest553-21snmpd12:08:431
21449419910098,2cyclictest553-21snmpd11:45:511
21449419910097,3cyclictest553-21snmpd08:49:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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