lkml.org 
[lkml]   [2006]   [Oct]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH] Re: UNWIND_INFO slowdown in -mm1
    Date
    On Tuesday 17 October 2006 17:48, Jan Beulich wrote:
    > >in 2.6.18-mm1 we are seeing _really_ long delays in the unwind code.
    > >(full trace attached) On an Athlon64 3800+ CPU:
    >
    > Below patch should help, can you try it out? Short of the linker
    > supporting building a binary lookup table at build time, it creates
    > one as soon as the bootmem allocator is usable (so you'll continue
    > using the linear lookup for the first [hopefully] few calls).
    > The code should be ready to utilize a build-time created table once
    > a fixed linker becomes available.

    I added the patch now, thanks.

    Not sure this is still .19 material though or better delayed for .20.
    What do you think?

    -Andi
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-10-18 13:01    [W:2.362 / U:0.100 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site