Re: Announce: Sysprof 1.1.2 CPU profiler for Linux

From: Ingo Molnar
Date: Mon Oct 12 2009 - 16:59:52 EST



* Christoph Hellwig <hch@xxxxxxxxxxxxx> 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
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