[PATCH] sard disk profiling for 2.3.99-pre6

From: Stephen C. Tweedie (sct@redhat.com)
Date: Fri Apr 28 2000 - 10:17:47 EST


On Thu, Apr 20, 2000 at 05:14:24PM +0100, Stephen C. Tweedie wrote:
>
> Here is the "sard" code for 2.3.99-pre4.2. It provides /proc/partitions
> output in support of "sar -d" functionality, ie. extensive IO reporting
> and profiling of disk activity.

Updated code is now in

        ftp.uk.linux.org:/pub/linux/sct/fs/profiling/sard-0.5.tar.gz

This includes the kernel diff for both 2.2.15-pre20 and for
2.3.99-pre6.

The /proc/partitions output now includes tags for all of the new
fields, and all of the output fields from /proc are normalised to a
notional 1msec timer tick (so there is no dependency on HZ in the
output --- this makes the parsing much cleaner and more portable).

The 2.3 patch is attached. It is vastly simpler than the 2.2
patch, because the block device cleanups in 2.3 make registering
the per-device partition stat tables trivial.

--Stephen



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