Re: [patch 00/24] perfmon3: introduction
From: Andrew Morton
Date: Wed Oct 22 2008 - 13:23:40 EST
On Wed, 22 Oct 2008 09:58:22 -0700 Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:
> On Wednesday, October 22, 2008 1:39 am stephane eranian wrote:
> > As you know, I have been involved with this project for quite some time
> > now. I have been through many ups and downs trying to get this merged
> > upstream. So rest assured of my full determination to bring this to the
> > point of success.
> I've been following this at a high level since using perfmon on ia64 several
> years ago. I have to say I'm impressed that you've put up with all the review
> and code churn (which to me often seemed arbitrary) without burning out.
> Honestly I think it sucks that perfmonN isn't upstream yet supporting all the
> various architectures you've been working with. You've obviously proven to be
> a much more responsive and end-user focused maintainer than several of the
> other fly by night profiling infrastructures we currently have in the kernel
> (the long abandoned oprofile and perfctr come to mind).
> As I mentioned at KS, I think it's about time we had a single point of contact
> for profiling in the kernel, to avoid the massive functional duplication we
> have today and make sure some kind of code sharing occurs; seems to me you'd
> be a good candidate for that sort of job.
> But regardless, I think it's about time this got merged. Linus? Andrew?
It is several years late. For me the problem has been that we do a lot
of review and have lots of discussion but then the trail goes cold for
six months and when it all pops up again the code has changed and/or
we've all forgotten about it again.
What it needs is a sustained effort to get it over the hump. How's
about getting it into linux-next asap and then we all agree to do the
re-re-re-review and runtime testing for a 2.6.29 merge?
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