linux-kernel - Re: SLUB: Support for statistics to help analyze allocator behavior

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 5 Feb 2008 10:05:52 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Pekka J Enberg <penberg@...helsinki.fi>
cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: SLUB: Support for statistics to help analyze allocator behavior

On Tue, 5 Feb 2008, Pekka J Enberg wrote:

> Hi Christoph,
> 
> On Mon, 4 Feb 2008, Christoph Lameter wrote:
> > The statistics provided here allow the monitoring of allocator behavior
> > at the cost of some (minimal) loss of performance. Counters are placed in
> > SLUB's per cpu data structure that is already written to by other code.
> 
> Looks good but I am wondering if we want to make the statistics per-CPU so 
> that we can see the kmalloc/kfree ping-pong of, for example, hackbench 

We could do that.... Any idea how to display that kind of information 
in a meaningful way. Parameter conventions for slabinfo?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/