Re: [PATCH] concurrent block allocation for ext2 against 2.5.64

From: William Lee Irwin III (wli@holomorphy.com)
Date: Sat Mar 15 2003 - 06:58:56 EST

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().

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.

-- wli


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