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bandwhich CPU utilization is too high #397

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handewo opened this issue Apr 5, 2024 · 1 comment
Open

bandwhich CPU utilization is too high #397

handewo opened this issue Apr 5, 2024 · 1 comment
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bug Something isn't working help wanted Extra attention is needed

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@handewo
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handewo commented Apr 5, 2024

bandwhich CPU utilization is too higher than iftop
Here is two test case on x86_64 platform:
Case I
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Case II
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@flxo
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flxo commented Apr 9, 2024

Here is a profile from bandwhich cc5685b captured with samply on a x86_64 Linux ( 6.1.0-18-amd64 #1 SMP PREEMPT_DYNAMIC).

I also used iperf3 (locally).

You see in the profile that bandwhich spends ~70% in recvfrom and ~23% in pselect - both sys calls.

@cyqsimon cyqsimon added bug Something isn't working help wanted Extra attention is needed labels Apr 20, 2024
@Benteth Benteth mentioned this issue May 22, 2024
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@flxo @handewo @cyqsimon