William Lee Irwin III <wli@holomorphy.com> wrote:
>
> On Sat, Mar 15, 2003 at 12:24:31AM -0800, William Lee Irwin III wrote:
> >> Next pass involves lockmeter:
>
> On Sat, Mar 15, 2003 at 01:47:58AM -0800, William Lee Irwin III wrote:
> > Throughput 39.2014 MB/sec 128 procs
> > dbench 128 142.51s user 10828.91s system 964% cpu 18:57.88 total
> > That's an 83% reduction in throughput from applying lockmeter.
> > Um, somebody should look into this. The thing is a bloody doorstop:
>
> Okay, dump_stack() every once in a while when we schedule() in down().
Thanks.
> No good ideas how to script the results so I have the foggiest idea
> who's the bad guy. gzipped and MIME attached (Sorry!) for space reasons.
lock_super() in the ext2 inode allocator mainly. It needs the same treatment.
-
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/
This archive was generated by hypermail 2b29 : Sat Mar 15 2003 - 22:00:43 EST