Re: [PATCH]: __crc_* symbols in System.map

[Sam Ravnborg <sam@ravnborg.org>]

On Wed, Aug 11, 2004 at 08:55:29PM -0700, David S. Miller wrote:
> 
> Shouldn't we be grepping these things out of the System.map file?
> 
> For one thing, these can confuse readprofile.  It's algorithm is
> to start at _stext, then stop when it sees a line in the System.map
> which is not text (mode is one of 'T' 't' 'W' or 'w')
> 
> It will exit early if there are some intermixed __crc_* things in
> there (since they are are mode 'A').
> 
> For example, in my current sparc64 kernel I have this:
> 
> 00000000004cef80 t do_split
> 00000000004cf2a0 t add_dirent_to_buf
> 00000000004cf5a7 A __crc_init_special_inode
> 00000000004cf640 t make_indexed_dir
> 00000000004cf900 t ext3_add_entry
> 
> So no symbols after add_dirent_to_buf will be shown in the profiling
> output of readprofile.
> 
> So we should grep them out, right?  If so, here is a patch which
> implements that.

I have a patch in this area pending, it moves System.map generation
out of the top-level makefile. And btw simplifies the expression a bit.

iMy patches are only at linux-sam.bkbits.net/kbuild for now,
will post patches later this week.

Would it be an option to skip all 'A' symbols?

	Sam