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2025-11-18 - 17:30

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 Tue Nov 18, 2025 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36423982130116,9sleep20-21swapper/207:07:262
36424642129110,14sleep30-21swapper/307:08:233
36409562127107,15sleep70-21swapper/707:05:137
36425332124110,9sleep40-21swapper/407:09:194
36424132122107,10sleep60-21swapper/607:07:376
36423602118103,10sleep00-21swapper/007:06:510
36423272118104,9sleep50-21swapper/507:06:235
36423972115101,9sleep10-21swapper/107:07:241
36428639910599,3cyclictest546-21snmpd09:16:476
3642863991020,101cyclictest0-21swapper/610:20:376
3642866991010,101cyclictest0-21swapper/710:08:437
3642866991010,100cyclictest0-21swapper/708:37:537
3642866991010,100cyclictest0-21swapper/707:23:347
3642866991010,0cyclictest0-21swapper/711:52:157
3642866991010,0cyclictest0-21swapper/710:40:517
3642866991010,0cyclictest0-21swapper/707:26:287
3642863991010,101cyclictest0-21swapper/607:31:326
36428589910199,2cyclictest546-21snmpd11:02:395
3642855991010,100cyclictest0-21swapper/407:47:324
364285299101100,1cyclictest546-21snmpd10:03:103
3642847991010,100cyclictest0-21swapper/212:10:352
3642847991010,100cyclictest0-21swapper/207:48:412
36428389910199,1cyclictest546-21snmpd09:58:460
3642838991010,100cyclictest0-21swapper/012:07:380
3642838991010,100cyclictest0-21swapper/009:34:210
3642866991000,99cyclictest0-21swapper/708:05:037
3642866991000,100cyclictest0-21swapper/712:14:397
3642866991000,100cyclictest0-21swapper/710:04:227
36428639910099,1cyclictest546-21snmpd07:50:566
36428639910099,1cyclictest546-21snmpd07:48:386
36428639910098,2cyclictest546-21snmpd12:18:406
36428639910098,2cyclictest546-21snmpd10:50:056
3642863991000,99cyclictest0-21swapper/608:46:376
3642863991000,99cyclictest0-21swapper/608:04:216
3642863991000,100cyclictest0-21swapper/611:46:126
3642863991000,100cyclictest0-21swapper/607:10:166
36428589910099,1cyclictest546-21snmpd09:00:145
36428589910099,1cyclictest546-21snmpd08:37:405
3642858991000,99cyclictest0-21swapper/508:55:295
3642858991000,99cyclictest0-21swapper/508:16:545
3642858991000,99cyclictest0-21swapper/507:30:325
3642858991000,100cyclictest0-21swapper/509:32:305
3642855991000,99cyclictest0-21swapper/411:14:064
3642855991000,99cyclictest0-21swapper/411:14:064
3642855991000,99cyclictest0-21swapper/411:04:524
3642855991000,99cyclictest0-21swapper/410:57:304
3642855991000,99cyclictest0-21swapper/409:46:494
3642855991000,99cyclictest0-21swapper/409:26:084
3642855991000,99cyclictest0-21swapper/409:24:064
3642855991000,99cyclictest0-21swapper/408:51:234
3642855991000,99cyclictest0-21swapper/407:43:534
3642855991000,99cyclictest0-21swapper/407:27:134
36428529910098,2cyclictest546-21snmpd11:33:583
36428479910099,1cyclictest546-21snmpd11:47:142
36428479910099,1cyclictest546-21snmpd11:16:212
36428479910099,1cyclictest546-21snmpd10:29:502
36428479910099,1cyclictest546-21snmpd10:21:132
36428479910099,1cyclictest546-21snmpd09:53:402
36428479910099,1cyclictest546-21snmpd08:02:422
3642847991000,99cyclictest0-21swapper/211:38:592
3642847991000,99cyclictest0-21swapper/210:43:262
3642847991000,99cyclictest0-21swapper/210:06:262
3642847991000,99cyclictest0-21swapper/207:40:132
3642847991000,100cyclictest0-21swapper/212:34:462
36428439910099,1cyclictest546-21snmpd12:34:091
36428439910099,1cyclictest546-21snmpd11:35:531
36428439910099,1cyclictest546-21snmpd10:41:291
36428439910099,1cyclictest546-21snmpd08:27:001
36428439910099,1cyclictest546-21snmpd08:16:301
36428439910099,1cyclictest546-21snmpd07:16:311
3642843991000,99cyclictest0-21swapper/110:49:111
3642843991000,99cyclictest0-21swapper/110:35:291
3642843991000,99cyclictest0-21swapper/107:24:191
3642843991000,100cyclictest0-21swapper/111:40:161
3642843991000,100cyclictest0-21swapper/111:12:491
3642843991000,100cyclictest0-21swapper/111:12:481
3642843991000,100cyclictest0-21swapper/110:54:581
3642843991000,100cyclictest0-21swapper/108:49:351
3642843991000,0cyclictest0-21swapper/110:16:071
36428389910099,1cyclictest546-21snmpd11:46:170
36428389910099,1cyclictest546-21snmpd11:40:250
36428389910099,1cyclictest546-21snmpd09:11:470
36428389910099,1cyclictest546-21snmpd07:47:380
36428389910099,1cyclictest546-21snmpd07:32:470
36428389910098,2cyclictest546-21snmpd09:20:410
3642838991000,99cyclictest0-21swapper/008:42:020
3642838991000,100cyclictest0-21swapper/011:50:160
3642838991000,100cyclictest0-21swapper/011:30:140
364286699990,99cyclictest0-21swapper/711:05:367
364286699990,99cyclictest0-21swapper/711:05:367
364286699990,99cyclictest0-21swapper/709:29:077
364286699990,99cyclictest0-21swapper/708:11:137
364286699990,98cyclictest0-21swapper/710:39:027
364286699990,0cyclictest0-21swapper/712:27:547
3642863999998,1cyclictest546-21snmpd12:24:156
3642863999998,1cyclictest546-21snmpd09:03:176
3642863999998,1cyclictest546-21snmpd08:56:136
3642863999998,1cyclictest546-21snmpd07:56:596
3642863999998,0cyclictest546-21snmpd08:14:336
3642863999996,3cyclictest546-21snmpd12:38:576
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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