On Wed, Jul 13, 2005 at 01:28:18PM -0700, Linus Torvalds wrote:
> On Wed, 13 Jul 2005, Russell King wrote:
> > This says it all. 1min 22secs to generate a patch from a locally
> > modified but uncommitted file.
> No, there's something else going on.
> Most likely that something forced a total index file re-validation, and
> the time you see is every single checked out file having its SHA1
> Was this a recently cloned tree, or what was the last operation you did on
> that tree before that command? Something must have invalidated the index.
and then I edited drivers/serial/8250.c
As discovered using:
sh -x /usr/bin/cg-diff drivers/serial/8250.c
it appears that cg-diff does a
git-update-cache --refresh >/dev/null
each time it's run, which is taking the bulk of the time. Also note
that curiously, it exits with status 1.
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