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2026-05-05 - 22:46

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 May 05, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20218312121106,10sleep10-21swapper/107:08:531
20217052120106,9sleep50-21swapper/507:07:045
20216112119104,10sleep30-21swapper/307:05:423
20217982118103,10sleep60-21swapper/607:08:256
2021639211786,9sleep40-21swapper/407:06:064
2021601211499,10sleep20-21swapper/207:05:332
2021642210995,9sleep70-21swapper/707:06:097
2021783210692,9sleep00-21swapper/007:08:110
20221769910299,1cyclictest553-21snmpd09:29:006
20221769910298,1cyclictest553-21snmpd10:35:236
20221769910298,1cyclictest553-21snmpd10:35:236
2022176991020,99cyclictest0-21swapper/612:11:086
2022176991020,99cyclictest0-21swapper/610:13:466
2022176991020,0cyclictest0-21swapper/611:06:486
20221729910299,3cyclictest553-21snmpd12:24:315
202216199102100,2cyclictest553-21snmpd12:03:562
20221769910199,1cyclictest553-21snmpd10:08:536
20221729910198,3cyclictest553-21snmpd12:13:055
20221729910198,3cyclictest553-21snmpd11:48:375
20221729910198,3cyclictest553-21snmpd09:44:245
20221729910198,3cyclictest553-21snmpd08:32:015
2022172991010,99cyclictest2083475-21diskmemload10:30:275
2022172991010,99cyclictest2083475-21diskmemload10:30:265
2022172991010,100cyclictest0-21swapper/508:15:145
20221689910199,2cyclictest553-21snmpd09:14:294
20221689910199,2cyclictest553-21snmpd08:50:314
20221669910198,3cyclictest553-21snmpd12:22:333
20221669910198,3cyclictest553-21snmpd11:27:503
20221669910198,3cyclictest553-21snmpd09:41:153
20221669910198,3cyclictest553-21snmpd07:50:303
2022161991010,100cyclictest0-21swapper/211:23:502
2022157991010,100cyclictest0-21swapper/107:55:401
2022180991000,99cyclictest0-21swapper/708:49:237
2022180991000,99cyclictest0-21swapper/707:54:527
2022180991000,98cyclictest0-21swapper/710:49:447
2022180991000,100cyclictest0-21swapper/709:34:427
20221769910099,1cyclictest553-21snmpd10:56:476
20221769910099,1cyclictest553-21snmpd09:05:246
20221769910097,1cyclictest2066713-21cat08:35:126
2022176991000,99cyclictest0-21swapper/609:22:386
2022176991000,100cyclictest0-21swapper/611:13:256
2022176991000,100cyclictest0-21swapper/610:25:056
2022176991000,100cyclictest0-21swapper/607:25:166
20221729910099,1cyclictest553-21snmpd11:26:255
20221729910099,1cyclictest553-21snmpd09:49:095
20221729910099,1cyclictest553-21snmpd08:51:165
20221729910099,1cyclictest553-21snmpd08:43:295
20221729910099,1cyclictest553-21snmpd08:09:435
20221729910099,1cyclictest553-21snmpd08:03:545
20221729910099,1cyclictest553-21snmpd07:34:505
20221729910099,1cyclictest553-21snmpd07:27:355
20221729910098,2cyclictest553-21snmpd11:19:065
20221729910098,2cyclictest553-21snmpd10:58:565
20221729910098,2cyclictest553-21snmpd09:51:065
2022172991000,99cyclictest0-21swapper/512:35:275
2022172991000,99cyclictest0-21swapper/511:44:435
2022172991000,99cyclictest0-21swapper/509:38:315
2022172991000,99cyclictest0-21swapper/509:00:305
2022172991000,98cyclictest0-21swapper/508:10:495
2022172991000,100cyclictest0-21swapper/511:23:515
2022172991000,100cyclictest0-21swapper/509:10:145
2022172991000,100cyclictest0-21swapper/508:57:025
20221689910099,1cyclictest570-21ntpd12:31:574
20221689910099,1cyclictest570-21ntpd11:16:574
20221689910099,1cyclictest553-21snmpd11:54:144
20221689910099,1cyclictest553-21snmpd09:47:004
20221689910099,1cyclictest553-21snmpd08:33:414
20221689910099,1cyclictest553-21snmpd08:12:454
20221689910099,1cyclictest2233472-21cat11:30:154
20221689910098,2cyclictest553-21snmpd09:24:504
20221689910098,1cyclictest553-21snmpd09:52:334
2022168991000,99cyclictest0-21swapper/410:47:304
2022168991000,99cyclictest0-21swapper/408:37:264
2022168991000,100cyclictest0-21swapper/410:41:484
20221669910099,1cyclictest553-21snmpd12:38:363
20221669910099,1cyclictest553-21snmpd10:57:503
20221669910099,1cyclictest553-21snmpd07:40:093
20221669910099,1cyclictest553-21snmpd07:39:243
20221669910098,2cyclictest553-21snmpd10:27:203
20221669910098,2cyclictest553-21snmpd08:40:523
20221669910098,2cyclictest553-21snmpd07:57:273
20221669910098,1cyclictest553-21snmpd10:07:133
20221669910097,3cyclictest553-21snmpd10:32:353
20221669910097,3cyclictest553-21snmpd10:32:353
20221669910097,3cyclictest553-21snmpd09:35:453
20221669910097,3cyclictest553-21snmpd07:34:233
20221619910099,1cyclictest553-21snmpd12:19:332
2022161991000,99cyclictest0-21swapper/212:32:272
2022161991000,99cyclictest0-21swapper/210:34:202
2022161991000,99cyclictest0-21swapper/210:34:202
2022161991000,100cyclictest0-21swapper/210:25:142
2022161991000,100cyclictest0-21swapper/210:15:112
20221579910099,1cyclictest553-21snmpd09:59:241
20221579910099,1cyclictest553-21snmpd09:01:111
202215799100100,0cyclictest553-21snmpd08:56:331
2022157991000,99cyclictest0-21swapper/107:40:381
2022157991000,100cyclictest0-21swapper/112:22:441
2022157991000,100cyclictest0-21swapper/109:33:541
2022157991000,100cyclictest0-21swapper/109:17:451
2022157991000,100cyclictest0-21swapper/108:37:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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