From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@labs.coraid.com>
Date: Mon, 17 Jan 2011 11:56:22 -0500
To: 9fans@9fans.net
Message-ID: <e29f941aee38be21741e8ca2335e2801@coraid.com>
In-Reply-To: <20110117165024.CC7C75B04@mail.bitblocks.com>
References: <20110117165024.CC7C75B04@mail.bitblocks.com>
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Subject: Re: [9fans] `mk` (from Plan9 ports) efficiency related issue
Topicbox-Message-UUID: 9d3fcd58-ead6-11e9-9d60-3106f5b1d025

> strace tells you what system calls were made and when.  To
> find out which functions use most time, compile with -pg and
> look at the gprof output once done.  That 14 seconds were
> probably spent computing dependencies.  You can convert your
> test.mk to a Makefile with a trivial sed script. See what
> bsdmake or gmake does with it time wise. {bsd,g}make have
> been been abused with huge Makefiles for far longer and are
> likely to be friendlier to them :-)

why not just use prof, which is exactly the tool for the job?

i don't see how comparing with *make would get one closer
to solving the mystery.

- erik