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Re: [PATCH v2 1/2] Add framework for tunables
- From: Siddhesh Poyarekar <sid at reserved-bit dot com>
- To: "Paul E. Murphy" <murphyp at linux dot vnet dot ibm dot com>
- Cc: libc-alpha at sourceware dot org, roland at hack dot frob dot com, carlos at redhat dot com, Andi Kleen <andi at firstfloor dot org>, tuliom at linux dot vnet dot ibm dot com, munroesj at linux dot vnet dot ibm dot com
- Date: Tue, 19 Jan 2016 19:25:35 +0530
- Subject: Re: [PATCH v2 1/2] Add framework for tunables
- Authentication-results: sourceware.org; auth=none
- References: <20160116185545 dot GA17772 at devel dot intra dot reserved-bit dot com> <569D601E dot 7020906 at linux dot vnet dot ibm dot com>
On Mon, Jan 18, 2016 at 03:58:54PM -0600, Paul E. Murphy wrote:
> On 01/16/2016 12:55 PM, Siddhesh Poyarekar wrote:
> > The tunables framework allows us to uniformly manage and expose global
> > variables inside glibc as switches to users. tunables/README has
> > instructions for glibc developers to add new tunables.
> > Tunables support can be enabled by passing the --enable-tunables
> > configure flag to the configure script. This patch only adds a
> > framework and does not pose any limitations on how tunable values are
> > read from the user. It also adds environment variables used in malloc
> > behaviour tweaking to the tunables framework as a PoC of the
> > compatibility interface.
> This looks like a good start to me. Tested on ppc64le with the second patch.
Thanks for testing. Can someone please review this patch so that I
can (fix up if necessary and) push this in 2.23?