[RFC 0/4] scripts: add stack{usage,delta} scripts

From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Michal Marek <mmarek@suse.cz>
Cc: linux-kbuild@vger.kernel.org,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: [RFC 0/4] scripts: add stack{usage,delta} scripts
Date: Sun, 21 Jun 2015 03:10:42 +0200	[thread overview]
Message-ID: <1434849046-19920-1-git-send-email-linux@rasmusvillemoes.dk> (raw)

The current checkstack.pl script has a few problems, stemming from the
overly simplistic attempt at parsing objdump output with regular
expresions. Since gcc 4.6 introduced the -fstack-usage option, we can
now get the exact stack use instead of resorting to ad hoc methods.

This introduces two small scripts. One for running make with
EXTRA_CFLAGS set to -fstack-usage, followed by collecting the
generated .su files in a single output file. Another for taking two
such output files and computing the changes in stack use.

2/4 and 3/4 may be too small by themselves; they can easily be
squashed into 1/4.

Rasmus Villemoes (4):
  scripts: add stackusage script
  .gitignore: add *.su pattern
  kbuild: remove *.su files generated by -fstack-usage
  scripts: add stackdelta script

 .gitignore         |  1 +
 Makefile           |  1 +
 scripts/stackdelta | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 scripts/stackusage | 40 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 97 insertions(+)
 create mode 100755 scripts/stackdelta
 create mode 100755 scripts/stackusage

-- 
2.1.3

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