[lldb-dev] debugging ios-simul speed issue

Greg Clayton gclayton at apple.com
Wed Mar 27 15:28:40 PDT 2013

You will need to sample the application that is running LLDB (MSVC?) to see what it is doing. This delay happens _after_ a read and before the next write, so the program is up to something in between there.

On Mar 27, 2013, at 12:25 PM, Carlo Kok <ck at remobjects.com> wrote:

> I have a rather strange issue on some computers when (remote debugging from Windows) to iOS. I have a 5 second "gap" in the log file where it does nothing after just having finished loading the (what I hope/presume) is the MACH-O headers of libresolv.dylib.
> 1364376978.867000 163A0E38 ConnectionFileDescriptor::Read () ::read (fd = 5936, dst = 140ECA60, dst_len = 8192) => 6, error = (null)
> 1364376983.577000 08CD3898 Communication::Write (src = 140EE4E0, src_len = 14) connection = 163A0E38
> I'm hoping someone can give a hint as to where I can start looking for this delay. (Unrelated, does it really need to load all these files at all if they're not used during debugging?)
> Relevant part of the log file:
> http://pastebin.com/EcHxfaeY
> Full log file:
> https://dl.dropbox.com/u/29927944/FullLog.txt
> (note that the paths are all strange due to how I resolve this on windows, they do load/exist just file).
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