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2026-07-02 - 17:57

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 Jul 02, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20690452122107,10sleep50-21swapper/507:06:485
20691572121107,9sleep70-21swapper/707:08:257
2068990212194,22sleep60-21swapper/607:06:006
20692232119104,10sleep10-21swapper/107:09:241
20690782118104,9sleep20-21swapper/207:07:172
20691262116100,10sleep30-21swapper/307:07:583
20671592114100,9sleep40-21swapper/407:05:114
2069260211197,9sleep00-21swapper/007:09:550
20695109910299,3cyclictest553-21snmpd12:02:396
2069510991020,100cyclictest0-21swapper/607:33:056
20695059910299,3cyclictest553-21snmpd11:43:025
20695059910299,3cyclictest553-21snmpd10:05:555
20695059910299,3cyclictest553-21snmpd09:27:125
2069505991020,100cyclictest0-21swapper/508:19:465
20694939910299,3cyclictest553-21snmpd11:02:362
20694939910299,3cyclictest553-21snmpd11:02:362
20694939910299,3cyclictest553-21snmpd07:33:332
20694939910299,2cyclictest553-21snmpd11:07:162
2069493991020,99cyclictest0-21swapper/208:34:372
2069514991010,100cyclictest0-21swapper/708:47:387
2069514991010,100cyclictest0-21swapper/708:18:077
20695109910199,2cyclictest553-21snmpd12:08:246
20695109910199,2cyclictest553-21snmpd10:59:276
2069510991010,99cyclictest0-21swapper/609:56:526
2069510991010,100cyclictest0-21swapper/610:49:006
20695059910198,2cyclictest553-21snmpd12:16:495
20695059910197,4cyclictest553-21snmpd07:45:215
20695059910197,3cyclictest553-21snmpd09:14:425
2069505991010,100cyclictest0-21swapper/509:30:135
206950299101100,1cyclictest553-21snmpd11:35:324
2069502991010,1cyclictest0-21swapper/407:20:144
20694979910199,2cyclictest553-21snmpd12:16:213
20694979910199,2cyclictest553-21snmpd10:54:003
20694979910199,2cyclictest553-21snmpd09:32:423
20694939910199,2cyclictest553-21snmpd12:24:552
20694939910198,3cyclictest553-21snmpd09:37:522
206949399101100,1cyclictest553-21snmpd11:43:272
2069493991010,101cyclictest0-21swapper/211:57:212
2069493991010,101cyclictest0-21swapper/210:30:142
2069493991010,100cyclictest0-21swapper/208:58:232
2069486991010,100cyclictest0-21swapper/011:51:470
2069486991010,0cyclictest0-21swapper/007:14:020
2069514991000,99cyclictest0-21swapper/712:26:047
2069514991000,99cyclictest0-21swapper/711:10:437
2069514991000,99cyclictest0-21swapper/711:08:447
2069514991000,99cyclictest0-21swapper/710:37:067
2069514991000,100cyclictest0-21swapper/711:39:207
2069514991000,100cyclictest0-21swapper/710:49:287
2069514991000,100cyclictest0-21swapper/707:39:227
2069514991000,100cyclictest0-21swapper/707:15:517
20695109910099,1cyclictest553-21snmpd08:52:126
20695109910099,1cyclictest2216545-21cat10:25:146
20695109910098,2cyclictest553-21snmpd09:00:326
2069510991000,99cyclictest0-21swapper/609:09:536
2069510991000,99cyclictest0-21swapper/608:12:586
2069510991000,99cyclictest0-21swapper/607:50:306
2069510991000,99cyclictest0-21swapper/607:29:116
2069510991000,100cyclictest0-21swapper/610:35:166
2069510991000,100cyclictest0-21swapper/610:06:596
2069510991000,100cyclictest0-21swapper/609:19:376
2069510991000,100cyclictest0-21swapper/608:47:536
20695059910099,1cyclictest553-21snmpd11:12:375
20695059910099,1cyclictest553-21snmpd09:54:025
20695059910099,1cyclictest553-21snmpd08:42:315
20695059910099,1cyclictest553-21snmpd08:21:145
20695059910099,1cyclictest1880257-21ntpd12:26:235
20695059910099,1cyclictest0-21swapper/511:48:155
20695059910099,1cyclictest0-21swapper/510:50:155
20695059910098,2cyclictest553-21snmpd12:24:525
20695059910098,2cyclictest553-21snmpd09:46:025
20695059910098,2cyclictest553-21snmpd08:53:275
20695059910097,3cyclictest553-21snmpd08:34:585
206950599100100,0cyclictest553-21snmpd07:55:585
2069505991000,99cyclictest2130842-21diskmemload09:58:405
2069505991000,100cyclictest0-21swapper/512:04:395
2069505991000,100cyclictest0-21swapper/510:42:255
2069505991000,100cyclictest0-21swapper/510:19:185
2069505991000,100cyclictest0-21swapper/510:02:375
2069505991000,100cyclictest0-21swapper/508:00:345
20695029910099,1cyclictest553-21snmpd09:33:004
20695029910099,1cyclictest553-21snmpd09:21:544
20695029910099,1cyclictest553-21snmpd08:58:144
20695029910099,1cyclictest553-21snmpd08:26:344
20695029910099,1cyclictest553-21snmpd08:18:104
20695029910099,1cyclictest553-21snmpd07:27:204
20695029910099,1cyclictest2088881-21cat07:45:134
2069502991000,99cyclictest0-21swapper/410:22:054
2069502991000,98cyclictest0-21swapper/407:41:274
2069502991000,1cyclictest0-21swapper/409:15:464
2069502991000,100cyclictest0-21swapper/412:11:284
2069502991000,100cyclictest0-21swapper/409:39:184
20694979910099,1cyclictest553-21snmpd12:22:543
20694979910099,1cyclictest553-21snmpd11:10:043
20694979910099,1cyclictest553-21snmpd10:30:213
20694979910099,1cyclictest553-21snmpd08:16:593
20694979910099,1cyclictest553-21snmpd07:40:543
20694979910098,2cyclictest553-21snmpd09:07:213
20694979910098,1cyclictest553-21snmpd11:58:273
20694979910098,1cyclictest553-21snmpd08:32:343
20694939910099,1cyclictest553-21snmpd09:20:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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