[lkml]   [2014]   [Feb]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 00/21] perf, c2c: Add new tool to analyze cacheline contention on NUMA systems
On Tue, Feb 11, 2014 at 12:28:47PM +0100, Stephane Eranian wrote:
> On Tue, Feb 11, 2014 at 12:14 PM, Peter Zijlstra <> wrote:
> > On Tue, Feb 11, 2014 at 12:08:56PM +0100, Stephane Eranian wrote:
> >> Assuming you can decode and get the info about the base registers used,
> >> you'd have to do this for each arch with load/store sampling capabilities.
> >> this is painful compared to getting the portable info from dwarf directly.
> >
> > But its useful now, as compared to whenever GCC gets around to
> > implementing more dwarves and that GCC getting used widely enough to
> > actually rely on it.
> >
> > All you need for the decode is a disassembler, and every arch should
> > already have multiple of those. Should be easy to reuse one, right?
> I know, and you want to pull this into the perf tool?

Sure why not, its already got the world and then some :/

It would be just another dynamic lib.

 \ /
  Last update: 2014-02-11 13:21    [W:0.090 / U:3.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site