[PATCH v2 1/2] Add framework for tunables

Siddhesh Poyarekar sid@reserved-bit.com
Tue Jan 19 13:55:00 GMT 2016


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?

Thanks,
Siddhesh



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