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2024-05-23 - 17:39
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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
Characteristics of the 792 highest latencies:
System rackcslot1.osadl.org (updated Thu May 23, 2024 01:42:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3200:40:449084
16,00:40:139083
36,00:40:139082
32,00:40:139081
33,00:40:139080
33,00:40:139079
30,00:40:139078
17,00:40:139077
34,00:40:139076
36,00:40:139075
29,00:40:139074
31,00:40:139073
000:40:139069
0,00:40:139068
0,00:40:139067
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0,00:40:139065
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0,00:40:139059
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1,00:40:138700
2,00:40:138699
1,00:40:138698
5,00:40:138697
2,00:40:138696
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2,00:40:138688
12,00:40:138687
16,00:40:138686
35,00:40:138685
70,00:40:138684
276,00:40:138683
404,00:40:138682
957,00:40:138681
2016,00:40:138680
10628,00:40:138679
108327,00:40:138678
284418,00:40:138677
667138,00:40:138676
1282792,00:40:138675
23610338,00:40:138674
73990504,00:40:138673
41878,00:40:138672
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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