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2023-11-28 - 21:24
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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 rack8slot4.osadl.org (updated Tue Nov 28, 2023 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23650262223188,24sleep00-21swapper/007:09:370
23648662222192,20sleep20-21swapper/207:07:212
23650512221191,20sleep50-21swapper/507:09:585
23647612219188,20sleep70-21swapper/707:05:507
23637672219188,21sleep60-21swapper/607:05:256
23649592218182,25sleep10-21swapper/107:08:411
23648592218187,20sleep40-21swapper/407:07:154
23650182216186,20sleep30-21swapper/307:09:313
2365259994545,0cyclictest0-21swapper/010:08:570
2365277994242,0cyclictest0-21swapper/610:08:576
2365259994218,24cyclictest0-21swapper/008:59:290
2365271994117,24cyclictest0-21swapper/408:59:324
236527799390,39cyclictest0-21swapper/610:56:386
236527799390,39cyclictest0-21swapper/610:56:386
2365271993737,0cyclictest2434653-21diskmemload10:08:434
2365259993737,0cyclictest0-21swapper/009:11:430
2365274993636,0cyclictest0-21swapper/510:12:335
2365274993535,0cyclictest0-21swapper/511:57:315
2365274993535,0cyclictest0-21swapper/511:19:215
2365264993535,0cyclictest0-21swapper/211:15:502
2365277993434,0cyclictest0-21swapper/609:11:436
2365274993434,0cyclictest0-21swapper/509:59:165
236526999340,0cyclictest0-21swapper/312:30:533
236527799330,31cyclictest0-21swapper/611:38:456
2365284993232,0cyclictest0-21swapper/709:57:507
236527799320,31cyclictest2447329-21apt-get09:20:196
2365274993232,0cyclictest0-21swapper/512:34:375
2365274993232,0cyclictest0-21swapper/509:17:165
2365271993232,0cyclictest0-21swapper/409:47:584
2365264993228,4cyclictest2607315-21taskset11:26:452
2365261993232,0cyclictest0-21swapper/111:15:501
236525999320,28cyclictest0-21swapper/010:48:260
236525999320,1cyclictest0-21swapper/010:10:590
2365277993128,3cyclictest2434653-21diskmemload09:40:536
2365277993127,4cyclictest1572128-1kworker/u17:112:01:506
2365277993127,3cyclictest2434653-21diskmemload11:44:316
236527799310,31cyclictest0-21swapper/612:33:386
236527799310,31cyclictest0-21swapper/609:31:406
236527799310,30cyclictest2434653-21diskmemload11:28:076
236527799310,30cyclictest0-21swapper/611:08:026
236527799310,30cyclictest0-21swapper/610:21:336
236527799310,29cyclictest0-21swapper/610:26:366
236527799310,28cyclictest2434653-21diskmemload10:37:006
236527799310,28cyclictest0-21swapper/611:34:026
236527799310,0cyclictest0-21swapper/612:17:106
2365274993131,0cyclictest0-21swapper/511:01:065
2365271993131,0cyclictest0-21swapper/411:37:014
2365271993131,0cyclictest0-21swapper/410:47:394
236527199310,31cyclictest2434653-21diskmemload11:52:254
236526999310,30cyclictest2383057-21dump-pmu-power07:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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