From: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <cl@linux-foundation.org>,
mathieu.desnoyers@polymtl.ca, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, rdunlap@xenotime.net,
mpm@selenic.com, rostedt@goodmis.org, tglx@linutronix.de
Subject: Re: [PATCH 4/5] kmemtrace: SLUB hooks.
Date: Tue, 12 Aug 2008 18:29:54 +0300 [thread overview]
Message-ID: <20080812152954.GB5973@localhost> (raw)
In-Reply-To: <1218464557.7813.295.camel@penberg-laptop>
On Mon, Aug 11, 2008 at 05:22:37PM +0300, Pekka Enberg wrote:
> On Mon, 2008-08-11 at 09:21 -0500, Christoph Lameter wrote:
> > Pekka Enberg wrote:
> >
> > > The function call is supposed to go away when we convert kmemtrace to
> > > use Mathieu's markers but I suppose even then we have a problem with
> > > inlining?
> >
> > The function calls are overwritten with NOPs? Or how does that work?
>
> I have no idea. Mathieu, Eduard?
Yes, the code is patched at runtime. But AFAIK markers already provide
this stuff (called "immediate values"). Mathieu's tracepoints also do
it. But it's not available on all arches. x86 and x86-64 work as far as
I remember.
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next prev parent reply other threads:[~2008-08-12 15:32 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-10 17:14 [PATCH 0/5] kmemtrace Eduard - Gabriel Munteanu
2008-08-10 17:14 ` [PATCH 1/5] kmemtrace: Core implementation Eduard - Gabriel Munteanu
2008-08-10 17:14 ` [PATCH 2/5] kmemtrace: Additional documentation Eduard - Gabriel Munteanu
2008-08-10 17:14 ` [PATCH 3/5] kmemtrace: SLAB hooks Eduard - Gabriel Munteanu
2008-08-10 17:14 ` [PATCH 4/5] kmemtrace: SLUB hooks Eduard - Gabriel Munteanu
2008-08-10 17:14 ` [PATCH 5/5] kmemtrace: SLOB hooks Eduard - Gabriel Munteanu
2008-08-10 17:48 ` Pekka Enberg
2008-08-10 23:18 ` Matt Mackall
2008-08-12 6:46 ` Pekka Enberg
2008-08-11 14:04 ` [PATCH 4/5] kmemtrace: SLUB hooks Christoph Lameter
2008-08-11 14:09 ` Pekka Enberg
2008-08-11 14:13 ` Christoph Lameter
2008-08-11 14:16 ` Pekka Enberg
2008-08-11 14:21 ` Christoph Lameter
2008-08-11 14:22 ` Pekka Enberg
2008-08-12 15:29 ` Eduard - Gabriel Munteanu [this message]
2008-08-12 15:43 ` Mathieu Desnoyers
2008-08-13 2:09 ` Matt Mackall
2008-08-11 14:36 ` Steven Rostedt
2008-08-11 18:28 ` Mathieu Desnoyers
2008-08-11 14:30 ` Steven Rostedt
2008-08-11 14:37 ` Christoph Lameter
2008-08-11 15:34 ` Frank Ch. Eigler
2008-08-11 15:48 ` Christoph Lameter
2008-08-11 15:54 ` Steven Rostedt
2008-08-11 15:57 ` Frank Ch. Eigler
2008-08-11 18:29 ` Mathieu Desnoyers
2008-08-12 15:25 ` Eduard - Gabriel Munteanu
2008-08-12 6:46 ` [PATCH 3/5] kmemtrace: SLAB hooks Pekka Enberg
2008-08-12 6:46 ` [PATCH 2/5] kmemtrace: Additional documentation Pekka Enberg
2008-08-18 19:57 ` Randy Dunlap
2008-08-12 6:46 ` [PATCH 1/5] kmemtrace: Core implementation Pekka Enberg
2008-08-19 17:43 [PATCH 1/5] Revert "kmemtrace: fix printk format warnings" Eduard - Gabriel Munteanu
2008-08-19 17:43 ` [PATCH 2/5] kmemtrace: Better alternative to " Eduard - Gabriel Munteanu
2008-08-19 17:43 ` [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with _RET_IP_ Eduard - Gabriel Munteanu
2008-08-19 17:43 ` [PATCH 4/5] kmemtrace: SLUB hooks Eduard - Gabriel Munteanu
2008-08-19 19:10 ` Pekka Enberg
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