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From: Ingo Molnar <mingo@elte.hu>
To: Christoph Hellwig <hch@infradead.org>
Cc: Soeren Sandmann <sandmann@daimi.au.dk>,
	gnome-announce@gnome.org, linux-kernel@vger.kernel.org
Subject: Re: Announce: Sysprof 1.1.2 CPU profiler for Linux
Date: Mon, 12 Oct 2009 22:58:12 +0200	[thread overview]
Message-ID: <20091012205812.GF17163@elte.hu> (raw)
In-Reply-To: <20091006150751.GA28868@infradead.org>


* Christoph Hellwig <hch@infradead.org> wrote:

> On Sat, Sep 26, 2009 at 05:46:23PM +0200, Soeren Sandmann wrote:
> > Sysprof 1.1.2 is now available. This is a development release leading
> > up to a stable 1.2.0 release.
> > 
> > Sysprof is a sampling system-wide CPU profiler for Linux.  This
> > version is based on the perf counter interface in 2.6.31 kernels and
> > will not work with earlier kernels.
> 
> Btw, what is the plan for the sysprof ftrace plugin?  In general we 
> move away from ftrace plugins towards trace events and perf, and if I 
> remember correctly ftrace file format changes caused enough pain for 
> sysprof that it kept shipping it's old hacky kernel module.
> 
> Is it time to deprectate the sysprof ftrace plugin?

Yes - but it's minimal maintenance overhead so we want to keep it for 
kernel release or two, to sunset it properly.

Thanks,

	Ingo

  reply	other threads:[~2009-10-12 20:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-26 15:46 Announce: Sysprof 1.1.2 CPU profiler for Linux Soeren Sandmann
2009-10-06 15:07 ` Christoph Hellwig
2009-10-12 20:58   ` Ingo Molnar [this message]
2009-10-13 20:13     ` Soeren Sandmann
2009-10-25  7:51       ` Christoph Hellwig

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