use MALLOC_PERTURB_ ... or lose

Eric Sandeen sandeen at
Wed May 5 17:47:34 UTC 2010

On 05/05/2010 12:42 PM, Jeff Spaleta wrote:
> On Wed, May 5, 2010 at 9:28 AM, Eric Sandeen <sandeen at> wrote:
>> Agreed, I'm tired of (insert random benchmarking site) saying "OH NOES!
>> Fedora got SLOWER AGAIN!" when it's really a lot of debug going on.
>> Stating something like this clearly on login & install would be nice,
>> not just for this MALLOC_PERTURB_ change but in general.
> Doesn't this whole discussion about debugging versus performance also
> apply to F13 pre-release testing as well.. and not just rawhide?  At
> what point do we turn off additional debugging in the kernel and
> whatnot ahead of going gold in the new branched pre-release workflow?
> Is the kernel debugging still on in F13 systems right now?  If there
> really is a debugging win here should we sync the MALLOC_PERTURB
> enablament policy to whatever is happening with kernel debugging for
> branched pre-releases as well as rawhide?
> This way pre-release systems installed at the time of the beta have
> debugging enabled, and users are informed of the debugging effort (and
> thanked for their participation!), but at some point via an updated
> package it gets turned off (barring any local overrides) a some
> definite point in the pre-release run up.

FWIW I just sent a patch to anaconda devel requesting some text
be added to the "hey this is a beta" nag screen. :)


> -jef

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