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2025-02-18 - 23:56
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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 rack4slot6.osadl.org (updated Tue Feb 18, 2025 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7534521370,127pltrace0-21swapper/507:09:275
4749521300,114pltrace0-21swapper/107:08:531
4749521280,119pltrace0-21swapper/307:09:053
4749521090,105pltrace0-21swapper/607:08:216
4749521020,86pltrace0-21swapper/707:06:427
255352930,2pltrace0-21swapper/512:29:075
753452870,54pltrace0-21swapper/207:09:132
116402860,0sleep10-21swapper/108:10:201
728326046,10sleep00-21swapper/007:05:460
519025844,10sleep40-21swapper/407:05:024
632452330,4pltrace0-21swapper/710:18:207
912052290,3pltrace0-21swapper/710:20:187
7808992412,11cyclictest0-21swapper/410:35:194
781799230,22cyclictest0-21swapper/610:14:506
780399220,15cyclictest0-21swapper/309:12:243
1416552210,3pltrace15123-21expr09:20:137
2326852200,7pltrace0-21swapper/709:41:247
780899181,1cyclictest533952pltrace12:35:184
7800991812,3cyclictest0-21swapper/208:12:222
500252180,2pltrace1166-21runrttasks09:00:227
3073952180,14pltrace1166-21runrttasks07:50:463
1680852180,0pltrace0-21swapper/707:25:327
1231552180,2pltrace0-21swapper/708:15:127
7817991711,5cyclictest0-21swapper/609:24:186
781299171,15cyclictest0-21swapper/510:05:475
7800991711,5cyclictest0-21swapper/209:45:222
7795991711,5cyclictest0-21swapper/109:40:441
779599171,12cyclictest0-21swapper/112:32:041
779599170,16cyclictest0-21swapper/108:09:011
779199171,8cyclictest0-21swapper/009:02:120
685352170,0pltrace0-21swapper/711:26:327
391952170,2pltrace0-21swapper/707:59:277
391952170,0pltrace0-21swapper/708:03:287
2624952170,3pltrace0-21swapper/708:43:347
1959252170,0pltrace0-21swapper/707:33:237
1680852170,6pltrace0-21swapper/307:25:453
782199161,7cyclictest0-21swapper/710:10:427
782199161,4cyclictest0-21swapper/711:57:397
782199161,3cyclictest0-21swapper/710:28:467
782199160,4cyclictest0-21swapper/712:04:007
7817991611,3cyclictest0-21swapper/609:38:016
7817991611,3cyclictest0-21swapper/609:00:306
781799160,8cyclictest0-21swapper/607:27:436
7812991613,2cyclictest0-21swapper/510:20:005
781299161,8cyclictest0-21swapper/509:28:255
781299161,14cyclictest0-21swapper/508:33:295
781299160,15cyclictest0-21swapper/510:50:095
780899167,8cyclictest0-21swapper/408:47:574
780899160,15cyclictest0-21swapper/410:51:184
780399160,1cyclictest0-21swapper/307:56:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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