lkml.org 
[lkml]   [2008]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/9] oprofile: port to the new ring buffer

* Robert Richter <robert.richter@amd.com> 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

Pulled into tip/oprofile, thanks Robert - very nice stuff!

I've changed the exports to _GPL because these are really internal APIs
with a high flux, so the practical requirement for code relying on it to
be in-tree (or at least be source-available) is evident.

Ingo


\
 
 \ /
  Last update: 2008-12-12 06:59    [W:0.143 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site