Re: [bug #15384] find misbehaves when parent directory is not readable

[James Youngman]

On 8/24/07, Jim Meyering <address@hidden> wrote:
> Hi James,
>
> When you measured that, did the system you used have sufficient
> openat support?  If not, you probably saw the performance penalty of
> the openat/fstatat/etc. wrapper functions that simulate the syscalls --
> probably via /proc/self/fd/%d/%s.  If you run timings on a losing
> kernel/libc combination, you should expect a performance penalty.

An additional effect was I think that some items in the directory tree
were stat()ed a a number of times. I don't know how much of the
performance difference that accounted for.

James.