[webkit-gtk] XmlHttprequest? leaking ?

[Marco Peereboom]

Nope.  Create a GTK tab with a webview and close it and you lost 3MB.

I have been working on trying to narrow down where the leaks are. 
Either in webkit or in the GTK parts.

Memory leaks are the bane of webkit gtk at this point.

On 06/12/13 03:31, Vellemans, Noel wrote:
> Hi,
>
> Still struggling with leaks into  XMLHTTP-request.
>
>
> OBSERVATIONS :
> The VmSize of the Web-browser process (GtkLauncher on ARM anx x64) at
> startup is typically VmSize:=105000 kB, after a 40000 XMLhttp-requests
> the memory size is increased to VmSize:=387448 kB. ( and keeps on
> increasing)
> When doing more xml-http-requests the browser finally dies due to out of
> memory.
>
>
> Anyone that is having similar issue's ?
> Any clue where to look (start looking at) ?
> Anyone out that has ever tried to do XMLHTTP requests in a page that is
> refreshing every second ?
>
> I've been stepping/building.. etc.. for multiple weeks now,  I'm I the
> only one with this issue ?
>
> Regards,
> Noel
>
>
>
>
> ------------------------------------------------
> Message: 1
> Date: Thu, 23 May 2013 10:33:51 +0200
> From: "Vellemans, Noel" <Noel.Vellemans at visionBMS.com>
> To: <webkit-gtk at lists.webkit.org>
> Subject: [webkit-gtk] XmlHttprequest? leak
> Message-ID: <1531E53627F1F749B4FE809BF2A4EB6704295E59 at wetmex10>
> Content-Type: text/plain;	charset="US-ASCII"
>
> Hi all,
>
> I'm using (building) WekKitGtk+ (1.10.2)  { On Arm-9 and on PC-x64 }
>
> Both seem to suffer from the same problem. Leaking XMLhttpRequest.
> ( ive tried some simple html/javascript that is doing XMLhttpRequest in
> a repetitive way, )
>
> It seems that "repetitive" XMLhttpRequest's are leaking LOTS of memory.
> { for example ("GET", "/sometxt.txt?" + numRep, true);  } Anyone that
> can tell me where to look at (I'm stuck for a couple of weeks now).
> Anyone that can give me a sample that is NOT leaking ?
>
> I even included  http://trac.webkit.org/changeset/143619.  (on
> recommendation of Martin Robinson) .
>
> Same result leaking XMLhttp-request (until browsers dies).
>
>
> OBSERVATIONS:
> The VmSize of the Web-browser process (GtkLauncher on ARM-9) at startup
> is typically VmSize:=105000 kB, after a 40000 XMLhttp-requests the
> memory size is increased to VmSize:=387448 kB. ( and keeps on
> increasing)
> When doing more xml-http-requests the browser finally dies due to out of
> memory.
>
> NOTE: when not doing the xml-httprequests but some onther javascripting
> (that increments a counter on the same time-interval) the Browser
> (GtkLauncher on ARM-9)  VmSize 'ceils' at 205000 kB (aprox),  and I can
> let the browser run for days, [ have one unit-running for 4 weeks (as
> test)] without crashing .
>
>
> Regards Noel
>
>
>
>
>
> << JSC-code - snap-shot >>
> function Global_onreadystatechange()
> {
> 	numReady++;
> 	if(this.readyState == 4 && this.status == 200)
> 	{
> 		this.onreadystatechange = null;
> 		numResp++;
> 	}
> }
>
> function Global_Request()
> {
> 	if(xhr)
> 	{
> 		//  the ? numRep should make it harder for cache
> 		xhr.open("GET", "/sometxt.txt?" + numRep, true);
> 		xhr.setRequestHeader("Content-Type","text/plain");
> 		xhr.onreadystatechange = Global_onreadystatechange;
> 		xhr.send(null);
> 	}
> }
>
>
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