Re:Very slow Windows startup

[Vasily Galkin <galkin-vv yandex ru>]

If it hangs for multiple seconds I think that simple analyses can be performed even without special build of 
python or gtk.
Meld.exe is basically python.exe with something freezed in.
It is also dependent on gtk which use lots of different dlls that are compiled with mingw that makes all 
symbols exported by default.
So if it hangs inside one of gtk dlls code (not in python code) the "low quality" call stack can be retrieved 
to see if it waits in python code or in specific gtk dll.

For example "process hacker2" tool (open source) shows the following stack while meld waiting for user input 
for the thread called "Meld.exe+..."
(main thread I think, the only one with such start).

... win32 calls
16, user32.dll!RealMsgWaitForMultipleObjectsEx+0x14d
17, libglib-2.0-0.dll!g_pattern_match_simple+0xdf (No unwind info)
18, libglib-2.0-0.dll!g_poll+0x1a4 (No unwind info)
19, libglib-2.0-0.dll!g_main_context_dispatch+0x366 (No unwind info)
20, libglib-2.0-0.dll!g_main_context_iteration+0x31 (No unwind info)
21, libgio-2.0-0.dll!g_application_run+0x1e7 (No unwind info)
22, libffi-6.dll!ffi_call_win32+0x48 (No unwind info)
23, libffi-6.dll!ffi_call+0x7f (No unwind info)
24, gi._gi.pyd!init_gi+0xa76a (No unwind info)
25, gi._gi.pyd!init_gi+0xb65a (No unwind info)
26, gi._gi.pyd!init_gi+0x1573 (No unwind info)
27, python27.dll!PyObject_Call+0x4c (No unwind info)
28, python27.dll!PyEval_GetGlobals+0x10a (No unwind info)
29, python27.dll!PyEval_EvalCodeEx+0x695 (No unwind info)

which have some strange entries but is generally meaningful, at least the exact dll would be seen.
--
Best regards, Vasily


> I have hard to reproduce results where I sometimes see Meld start up properly. Would it be possible for 
> someone to provide a debug build so we can see where it hangs ?
>
> Cheers
>
> Gertjan
>
> On Friday, March 18, 2016 1:18 AM, "Braykov, B. (Branimir)" <branimir braykov ingbank com> wrote:
>
> Hi,
>
> Just to add that this is not a quirk in your machine.
>
> I am also on Windows 7 64bit and I am using Meld as the diff and merge tool for TortoiseGit.
>
> I am also waiting for meld to open. It is very annoying indeed.
>
> My meld version is also 3.14.2. I don’t see a later MSI build.
>
> Best regards,
>
> Branimir Braykov
>
> From: meld-list [mailto:meld-list-bounces gnome org]
> On Behalf Of Gertjan Hofman
>
> Sent: 18 March 2016 02:02
>
> To: meld-list gnome org
>
> Subject: Very slow Windows startup
>
> Dear List members,
>
> Having installed 3.14.2 on Windows 7 64bit for use with TortoiseSVN, I noticed the start up lag is 
> intolerably slow (about 30-40 sec). Makes rapid svn diffs
> hard to do. Shame, because on Linux meld merge is by far the best tool.
>
> It is quite possible that this is quirk of my machine or due to some anti-virus software (over which I have 
> no control).
>
> Does anyone have any ideas on how to trouble shoot this ?
>
> Much appreciated,
>
> Gertjan
>
> ----
>
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