Re: Filebacked-tvbuffs : GSoC'13

[Ambarisha B <b.ambarisha () gmail com>]

On Thu, Apr 18, 2013 at 9:25 PM, Jeff Morriss <jeff.morriss.ws () gmail com>wrote:

>   The real problem (which I thought file-backed-tvbuffs might solve) would
> be when dissectors have to make copies of tvbuffs in order to do, for
> example, reassembly.  Those copies are malloc()'d and it is believed that,
> in some situations, they account for a lot of Wireshark's memory usage.

Yeah, you did suggest the idea in that context first. Guy also mentioned a
couple of times that the reassembly is retained in wireshark's address
space. I just used the views as a lead to get into the code first time.


> I doubt there's much in the way of a bug to look at; I think to get your
> hands dirty you'd have to start digging into how, for example, the tvbuffs
> and reassembly work and see if it can be put together.

Indeed, I was going through the reassembly code only today. I'll also see
if I can get a profile from massif as Evan suggested.

Cheers
Ambarish

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