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2024-11-24 - 07:45

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #6

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 rack0slot6s.osadl.org (updated Sun Nov 24, 2024 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41485572306299,5sleep160-21swapper/1619:05:298
41486202303296,5sleep60-21swapper/619:06:1916
41486462302295,5sleep70-21swapper/719:06:4017
41486362297289,5sleep190-21swapper/1919:06:3311
41486102297290,5sleep180-21swapper/1819:06:1210
41487052296289,4sleep170-21swapper/1719:07:309
41486522296289,5sleep130-21swapper/1319:06:465
41488362295287,5sleep40-21swapper/419:08:5714
41486642295288,5sleep30-21swapper/319:06:5713
41485512293286,5sleep100-21swapper/1019:05:242
41488152292285,5sleep50-21swapper/519:08:3815
41486732292285,5sleep110-21swapper/1119:07:053
41486282292286,4sleep140-21swapper/1419:06:276
41485532292278,4sleep120-21swapper/1219:05:254
41488862291283,5sleep80-21swapper/819:09:4218
41488422291283,5sleep90-21swapper/919:09:0319
41486072291284,5sleep150-21swapper/1519:06:087
41489002290282,5sleep10-21swapper/119:09:561
41488542290284,4sleep00-21swapper/019:09:150
41485892290284,4sleep20-21swapper/219:05:5612
414926699746,29cyclictest0-21swapper/1022:40:272
414923899555,30cyclictest0-21swapper/119:25:271
414926699530,53cyclictest0-21swapper/1023:35:282
414926699530,53cyclictest0-21swapper/1022:09:242
4149235995252,0cyclictest4070999-21kworker/0:1+pm19:31:100
414926699510,51cyclictest0-21swapper/1022:53:552
4149287995050,0cyclictest0-21swapper/1523:55:497
4149278995017,32cyclictest0-21swapper/1320:41:005
414926699500,50cyclictest0-21swapper/1020:32:162
4149273994949,0cyclictest0-21swapper/1223:35:294
4149235994747,0cyclictest4070999-21kworker/0:1+pm23:52:350
4149235994747,0cyclictest4070999-21kworker/0:1+pm19:20:260
226242470,0sleep40-21swapper/420:20:2114
4149282994644,1cyclictest0-21swapper/1419:40:076
4149278994614,32cyclictest0-21swapper/1323:45:385
4149273994646,0cyclictest0-21swapper/1220:32:164
4149263994512,32cyclictest0-21swapper/900:19:1519
4149245994544,0cyclictest0-21swapper/300:09:4113
414923899450,0cyclictest0-21swapper/123:21:471
4149235994544,1cyclictest4070999-21kworker/0:1+pm20:29:050
4149278994413,31cyclictest0-21swapper/1300:27:355
4149266994444,0cyclictest0-21swapper/1019:31:102
4149266994414,30cyclictest0-21swapper/1023:57:372
4149263994411,32cyclictest0-21swapper/900:24:1219
4149254994444,0cyclictest0-21swapper/620:43:2016
4149251994444,0cyclictest0-21swapper/500:32:2915
4149266994313,30cyclictest0-21swapper/1022:24:392
4149256994343,0cyclictest0-21swapper/723:55:5017
414924599430,43cyclictest0-21swapper/322:04:2913
4149238994343,0cyclictest0-21swapper/123:35:281
4149238994343,0cyclictest0-21swapper/119:12:111
414926399429,32cyclictest0-21swapper/923:03:4719
414926399429,32cyclictest0-21swapper/923:03:4619
4149263994213,29cyclictest0-21swapper/900:29:3519
4149235994242,0cyclictest4070999-21kworker/0:1+pm20:33:100
4149282994040,0cyclictest0-21swapper/1421:53:176
414927899409,31cyclictest0-21swapper/1322:04:345
4149266994040,0cyclictest0-21swapper/1019:20:252
414926399408,31cyclictest0-21swapper/923:23:3519
414926399408,31cyclictest0-21swapper/900:39:5719
4149238994040,0cyclictest0-21swapper/120:32:161
4149235994040,0cyclictest4070999-21kworker/0:1+pm22:02:260
4149235994039,1cyclictest4070999-21kworker/0:1+pm23:34:150
4149297993939,0cyclictest0-21swapper/1820:29:0510
414928799399,30cyclictest0-21swapper/1522:54:387
4149282993938,1cyclictest0-21swapper/1400:17:586
4149266993939,0cyclictest0-21swapper/1023:52:352
4149263993911,28cyclictest0-21swapper/900:32:2219
4149263993910,29cyclictest0-21swapper/900:05:5919
4149245993938,1cyclictest0-21swapper/321:30:3713
4149238993939,0cyclictest0-21swapper/120:21:131
4149235993939,0cyclictest4070999-21kworker/0:1+pm22:29:500
4149235993939,0cyclictest4070999-21kworker/0:1+pm22:23:430
4149235993939,0cyclictest4070999-21kworker/0:1+pm20:02:440
4149235993939,0cyclictest4070999-21kworker/0:1+pm19:49:140
4149235993938,1cyclictest4070999-21kworker/0:1+pm20:20:440
4149235993938,1cyclictest4070999-21kworker/0:1+pm20:12:360
4149278993838,0cyclictest0-21swapper/1323:57:225
4149263993812,26cyclictest0-21swapper/900:10:5419
4149251993837,1cyclictest0-21swapper/523:55:4915
4149235993838,0cyclictest4070999-21kworker/0:1+pm21:56:500
4149235993838,0cyclictest4070999-21kworker/0:1+pm21:19:190
4149299993737,0cyclictest0-21swapper/1919:47:2211
4149266993736,1cyclictest0-21swapper/1020:29:052
414926699370,37cyclictest0-21swapper/1023:46:132
414926699370,37cyclictest0-21swapper/1023:25:512
414926699370,37cyclictest0-21swapper/1022:26:132
414926699370,37cyclictest0-21swapper/1022:02:292
414926699370,37cyclictest0-21swapper/1021:16:172
414926699370,37cyclictest0-21swapper/1020:56:092
414926699370,37cyclictest0-21swapper/1020:04:372
414926699370,36cyclictest0-21swapper/1022:39:062
414926699370,36cyclictest0-21swapper/1021:07:082
414926699370,36cyclictest0-21swapper/1020:09:152
4149245993737,0cyclictest0-21swapper/320:13:3013
4149235993737,0cyclictest4070999-21kworker/0:1+pm23:39:000
4149235993737,0cyclictest4070999-21kworker/0:1+pm23:08:160
4149235993737,0cyclictest4070999-21kworker/0:1+pm23:08:160
4149235993737,0cyclictest4070999-21kworker/0:1+pm22:50:050
4149235993737,0cyclictest4070999-21kworker/0:1+pm21:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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