Re: [PATCH 0/5] perf: Add support for hardware breakpoint addressmasks

From: Jacob Shin
Date: Thu Apr 18 2013 - 12:38:47 EST


On Tue, Apr 16, 2013 at 11:36:20AM +0200, Ingo Molnar wrote:
>
> * Jacob Shin <jacob.shin@xxxxxxx> wrote:
>
> > On Tue, Apr 09, 2013 at 12:21:48PM -0500, Jacob Shin wrote:
> > > The following patchset adds address masks to existing perf hardware
> > > breakpoint mechanism to allow trapping on an address range (currently
> > > only single address) on supported architectures.
> > >
> > > perf uapi is updated, x86 AMD implementation (for AMD Family 16h and
> > > beyond) is provided, and perf tool has been extended to do:
> > >
> > > $ perf stat -e mem:0x1000:w:0xf a.out
> > > ^^^
> > > "don't care" bit mask
> > >
> > > which will count writes to [0x1000 ~ 0x1010)
> >
> > Ping .. Ingo?
>
> breakpoint patches usually come to me through (or with the acks of) Frederic
> and/or Oleg.
>
> Frederic, Oleg, mind having a look?

Hi Frederic, Oleg. Could one of you take a look over this patchset
when you get the chance? Thank you in advance for taking the time!

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