Wednesday, November 30, 2016 9:57 AM
To: Joonsoo Kim
Cc: Andrew Morton ; Greg Thelen
; Aruna Ramakrishna ;
Christoph Lameter ; linux-kernel@vger.kernel.org;
linux...@kvack.org
Subject: Re: [patch] mm, slab: faster active and free stats
On Mon, 28 Nov 2016, Joonsoo Kim wrote:
> Hello,
>
On Mon, 28 Nov 2016, Joonsoo Kim wrote:
> Hello,
>
> Sorry for long delay.
> I agree that this improvement is needed. Could you try the approach
> that maintains n->num_slabs and n->free_slabs? I guess that it would be
> simpler than this patch so more maintainable.
>
Ok, what do you think abou
On Fri, Nov 11, 2016 at 02:30:39AM -0800, David Rientjes wrote:
> On Fri, 11 Nov 2016, Joonsoo Kim wrote:
>
> > Hello, David.
> >
> > Maintaining acitve/free_slab counters looks so complex. And, I think
> > that we don't need to maintain these counters for faster slabinfo.
> > Key point is to rem
On Fri, 11 Nov 2016, Joonsoo Kim wrote:
> Hello, David.
>
> Maintaining acitve/free_slab counters looks so complex. And, I think
> that we don't need to maintain these counters for faster slabinfo.
> Key point is to remove iterating n->slabs_partial list.
>
> We can calculate active slab/object
On Wed, Nov 09, 2016 at 04:38:08PM -0800, David Rientjes wrote:
> On Tue, 8 Nov 2016, Andrew Morton wrote:
>
> > > Reading /proc/slabinfo or monitoring slabtop(1) can become very expensive
> > > if there are many slab caches and if there are very lengthy per-node
> > > partial and/or free lists.
>
On Tue, 8 Nov 2016, Andrew Morton wrote:
> > Reading /proc/slabinfo or monitoring slabtop(1) can become very expensive
> > if there are many slab caches and if there are very lengthy per-node
> > partial and/or free lists.
> >
> > Commit 07a63c41fa1f ("mm/slab: improve performance of gathering sl
On Tue, 8 Nov 2016 15:06:45 -0800 (PST) David Rientjes
wrote:
> Reading /proc/slabinfo or monitoring slabtop(1) can become very expensive
> if there are many slab caches and if there are very lengthy per-node
> partial and/or free lists.
>
> Commit 07a63c41fa1f ("mm/slab: improve performance of
7 matches
Mail list logo
