linux-kernel - Re: [PATCH 0/5] perf: Add support for hardware breakpoint address masks

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Message-ID: <20130415232252.GA1385@krava.redhat.com>
Date:	Tue, 16 Apr 2013 01:22:52 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Jacob Shin <jacob.shin@....com>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] perf: Add support for hardware breakpoint address
 masks

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)
> 
> Jacob Shin (2):
>   perf: Add hardware breakpoint address mask
>   perf, x86: AMD implementation for hardware breakpoint address mask
> 
> Suravee Suthikulpanit (3):
>   perf tools: Add breakpoint address mask to the mem event parser
>   perf tools: Add breakpoint address mask syntax to perf list and
>     documentation
>   perf tools: Add breakpoint address mask test case to
>     tests/parse-events
hi,
the perf tool patches look ok.. thanks for tests! ;)

jirka
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