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2024-07-16 - 08:38
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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 rackeslot5.osadl.org (updated Mon Jul 15, 2024 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14808996529,0cyclictest0-21swapper/009:07:180
14808994524,4cyclictest12035-21ssh09:47:180
1481999330,4cyclictest7850-21diskmemload12:05:473
1481999330,33cyclictest7850-21diskmemload09:49:553
1481999330,33cyclictest7850-21diskmemload09:10:533
1481999330,32cyclictest0-21swapper/311:56:193
14819993228,4cyclictest0-21swapper/309:37:333
1481999320,3cyclictest0-21swapper/309:56:203
1481999320,31cyclictest0-21swapper/312:36:153
1481999320,31cyclictest0-21swapper/311:35:573
1481999320,31cyclictest0-21swapper/309:51:463
1481999320,31cyclictest0-21swapper/309:41:013
1481999320,31cyclictest0-21swapper/309:18:223
14808993228,3cyclictest3494-21sh09:39:050
14819993128,3cyclictest0-21swapper/310:40:213
14819993128,3cyclictest0-21swapper/310:21:383
14819993128,3cyclictest0-21swapper/310:06:503
14819993127,4cyclictest7850-21diskmemload12:30:043
1481999310,3cyclictest0-21swapper/312:10:463
1481999310,31cyclictest0-21swapper/311:47:403
1481999310,31cyclictest0-21swapper/311:19:163
1481999310,31cyclictest0-21swapper/310:11:103
1481999310,31cyclictest0-21swapper/309:26:243
1481999310,31cyclictest0-21swapper/309:23:113
1481999310,30cyclictest7850-21diskmemload11:12:103
1481999310,30cyclictest6598-21kworker/u8:112:20:213
1481999310,30cyclictest11979-21sh11:28:423
1481999310,30cyclictest0-21swapper/310:17:313
14817993128,2cyclictest31898-21ssh11:49:542
1481299310,30cyclictest19918-21ssh11:35:511
14808993129,1cyclictest7850-21diskmemload10:40:150
1480899310,30cyclictest30623-21ssh09:33:130
1480899310,30cyclictest29268-21ssh11:12:170
1480899310,2cyclictest0-21swapper/010:11:110
14819993028,2cyclictest0-21swapper/310:50:113
14819993028,2cyclictest0-21swapper/310:31:353
1481999300,30cyclictest0-21swapper/312:17:403
1481999300,30cyclictest0-21swapper/311:06:403
1481999300,30cyclictest0-21swapper/310:48:353
1481999300,30cyclictest0-21swapper/310:27:213
1481999300,2cyclictest0-21swapper/311:22:323
1481999300,29cyclictest7850-21diskmemload12:02:223
1481999300,29cyclictest7850-21diskmemload10:56:273
1481999300,29cyclictest7850-21diskmemload10:00:083
1481999300,29cyclictest29707-21apt-get08:50:013
1481999300,29cyclictest0-21swapper/309:00:003
14817993028,1cyclictest755-21sh11:15:492
14817993028,1cyclictest0-21swapper/211:50:072
14817993028,1cyclictest0-21swapper/211:37:512
14817993028,1cyclictest0-21swapper/210:51:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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