lkml.org 
[lkml]   [2008]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.25 new perfmon kernel patch + libpfm + pfmon available
Hello,


Several people noticed there was a typo in the website url.
The actual web site is:

http://perfmon2.sf.net


Sorry about that.

On Tue, Apr 29, 2008 at 11:47 PM, stephane eranian
<eranian@googlemail.com> wrote:
>
> Hello,
>
> I have released the perfmon2 kernel patch for kernel v2.6.25. There is
> no major features. However, there were a major restructuring of the code
> to make it more readable, isolate features per module. The header files
> have also been restructured to separate user vs. kernel, and generic only
> vs. shared with arch. The restructuring of the interrupt handler yielded
> a nice 15% latency improvement on single counter sampling runs on X86.
> This new structure will make it easier to extract features and merge them
> with the mainline kernel.
>
> In the time frame of 2.6.26, I will push a few bits and pieces to LKML
> for final review and integration.
>
> Here are some of the kernel changes:
> - Cell updates (Carl Love, Takashi Yamamoto)
> - new perfmon_debug boot option to enable debug (Robert Richter)
> - several bugs fixes on Itanium, MIPS and generic hrtimer management
> - Power locking updates (Corey Ashford)
>
> There is also a new release for libpfm, now at version 3.4.
> The changes include:
> - AMD Phenom (a.k.a. Barcelona) IBS support (Robert Richter)
> - Python bindings and examples (Arun Sharma)
> - environment variable support to enable debugging
> - auto-detection of syscall base number for 2.6.24 and 2.6.25
> - new multi-threaded self-sampling example (Mark W. Krentel)
> - man pages cleanups (Steve Kaufmann)
>
> Special thanks to Arun (Google). The Python bindings are a nice addition
> to libpfm especially for prototyping and writing testsuites.
>
> Finally, a new major version of pfmon, now at pfmon-3.4.
> Among the many changes:
> - added support for dmalloc (Andrzej Nowak)
> - updated support for Cell processor (Takashi Yamamoto)
> - possibility to terminate pfmon cleanly with SIGTERM
> - --follow-fork and derivatives fixed on Itanium and other platforms
> - tracking of dlopen now works on mixed ABI environments
> - lots of bugs fixes
>
> As usual all files and more detailed changelogs can be downloaded from our
> website at:
>
> http://perfmon.sourceforge.net
>
> Enjoy,
>


\
 
 \ /
  Last update: 2008-05-02 18:03    [from the cache]
©2003-2011 Jasper Spaans