From: Andi Kleen <ak@suse.de>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Stephane Eranian <eranian@hpl.hp.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface
Date: 27 Aug 2006 20:31:09 +0200 [thread overview]
Message-ID: <p73ejv2do9e.fsf@verdi.suse.de> (raw)
In-Reply-To: <200608251618_MC3-1-C958-74D1@compuserve.com>
Chuck Ebbert <76306.1226@compuserve.com> writes:
> In-Reply-To: <20060825134704.GA21398@infradead.org>
>
> On Fri, 25 Aug 2006 14:47:04 +0100, Christoph Hellwig wrote:
>
> > > This interface is for people writing kprobes who want to do performance
> > > monitoring within their probe code. There will probably never be any
> > > in-kernel users, just like there are no in-kernel users of kprobes.
> >
> > Wrong argument. There is a in-tree user of kprobes and I plan to submit
> > a lot more.
>
> OK. More than two years after kprobes went into the kernel, a single
> in-kernel user has now appeared in 2.6.18-rc: /net/ipv4/tcp_probe.c
No rules without exceptions. But there has to be a quite good rationale.
kprobes had one. The mythical perfmon in kernel user doesn't so far.
-Andi
next prev parent reply other threads:[~2006-08-27 18:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-25 20:16 [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface Chuck Ebbert
2006-08-27 18:31 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-08-25 6:56 Chuck Ebbert
2006-08-25 7:25 ` Stephane Eranian
2006-08-25 13:47 ` Christoph Hellwig
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