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2023-09-26 - 20:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #4

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 
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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 50 highest latencies:
System rack0slot4s.osadl.org (updated Tue Sep 26, 2023 00:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5225272418412,3sleep40-21swapper/419:08:5110
5224372414407,4sleep140-21swapper/1419:07:406
5223102412400,4sleep20-21swapper/219:05:528
5223142411404,4sleep60-21swapper/619:05:5712
5225662410403,4sleep90-21swapper/919:09:2715
5224732410403,4sleep100-21swapper/1019:08:092
5224892409402,4sleep80-21swapper/819:08:2214
5191242409402,4sleep150-21swapper/1519:05:177
5222892408401,4sleep70-21swapper/719:05:4213
5225112407401,4sleep110-21swapper/1119:08:423
5223812407400,4sleep120-21swapper/1219:06:504
5223252407400,4sleep00-21swapper/019:06:060
5223822406400,4sleep130-21swapper/1319:06:515
5223682406399,4sleep50-21swapper/519:06:4411
5191032406400,3sleep10-21swapper/119:05:041
5225032404397,4sleep30-21swapper/319:08:349
5230479910665,14cyclictest0-21swapper/819:28:0314
5230679910314,14cyclictest0-21swapper/1421:29:386
523055999724,29cyclictest0-21swapper/1019:28:042
523021999722,75cyclictest0-21swapper/021:29:400
523023999342,22cyclictest4554-21abrt-dump-journ21:29:381
523041999248,0cyclictest0-21swapper/619:28:0312
523051998628,58cyclictest0-21swapper/919:28:0415
52303699826,0cyclictest0-21swapper/519:28:0411
52303699675,42cyclictest0-21swapper/521:48:3611
523044996665,1cyclictest3465-21Xorg21:29:3713
523021996666,0cyclictest3465-21Xorg19:28:040
523071996464,0cyclictest0-21swapper/1521:29:387
523026995425,0cyclictest0-21swapper/219:28:048
523044995252,0cyclictest0-21swapper/719:28:0313
523023995252,0cyclictest3465-21Xorg19:28:051
523071995151,0cyclictest3465-21Xorg19:28:037
52306199490,24cyclictest0-21swapper/1220:31:374
523047994949,0cyclictest3465-21Xorg21:29:4014
523041994444,0cyclictest3465-21Xorg21:29:3712
523051994242,0cyclictest3465-21Xorg21:29:3915
52306199402,25cyclictest0-21swapper/1222:32:264
52306199402,25cyclictest0-21swapper/1221:26:324
523065993939,0cyclictest3465-21Xorg19:28:035
52306199391,25cyclictest0-21swapper/1222:43:264
52306199391,25cyclictest0-21swapper/1221:48:314
52306199391,25cyclictest0-21swapper/1219:47:414
523055993915,24cyclictest0-21swapper/1021:48:362
52306199380,25cyclictest0-21swapper/1222:10:294
52306199380,25cyclictest0-21swapper/1219:14:454
523067993636,0cyclictest3465-21Xorg19:28:036
52306199332,18cyclictest0-21swapper/1221:15:344
52306199327,14cyclictest0-21swapper/1200:11:184
523057993131,0cyclictest558569-21kworker/11:121:29:373
52306199300,30cyclictest0-21swapper/1219:28:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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