Re: [PATCH 0/9] oprofile: port to the new ring buffer

From: Steven Rostedt
Date: Thu Dec 11 2008 - 12:19:49 EST



On Thu, 11 Dec 2008, Robert Richter wrote:

> This patch set ports cpu buffers in oprofile to the new ring buffer
> provided by the tracing framework. The motivation here is to leave the
> pain of implementing ring buffers to others. Oh, no, there are more
> advantages. Main reason is the support of different sample sizes that
> could be stored in the buffer. Use cases for this are IBS and Cell spu
> profiling. Using the new ring buffer ensures valid and complete
> samples and allows copying the cpu buffer stateless without knowing
> its content. Second it will use generic kernel API and also reduce
> code size. And hopefully, there are less bugs.
>
> The patch set is also available here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git ring_buffer

Robert,

Thanks for doing this! I'll try to take time out this week to review these
patches.

-- Steve

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