Wireshark-dev: Re: [Wireshark-dev] Profiled dumpcap
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From: Anders Broman <a.broman@xxxxxxxxxxxx>
Date: Fri, 09 May 2014 07:19:13 +0200
Guy Harris skrev 2014-05-09 07:11:

On May 8, 2014, at 2:09 PM, Anders Broman <a.broman@xxxxxxxxxxxx> wrote:


I'm not sure but from the picture there seems to be a bit of overhead per write so if we reduce
the fwrites() to 3, hdr-pkdata-footer with hdr and footer being a local buffer[x] it might make some difference.

Presumably you're talking about the writes in pcapng_write_enhanced_packet_block() and putting the padding, options, and trailer into the footer, right?

Yes


But how much of the overhead is due to multiple calls to write_to_file() and thus to fwrite()?

That remains to be seen :-)
Perhaps it's not worth it...


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