linux-kernel - Re: [PATCH 3/5] perf tools: Add breakpoint address mask to the mem event parser

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Message-ID: <20130421171003.GA6163@redhat.com>
Date:	Sun, 21 Apr 2013 19:10:03 +0200
From:	Oleg Nesterov <oleg@...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>,
	Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: Re: [PATCH 3/5] perf tools: Add breakpoint address mask to the mem
	event parser

Well, I am not going to argue, just the question...

On 04/09, Jacob Shin wrote:
>
>   $ perf stat -e mem:0x1000:w:0xf a.out

perhaps, say, perf -e mem:0x1000/0xf:w will look better?

No, I do not understand .y so I do not know if it is simple to
implement or not ;)

Hmm. I did "grep bp_len tools/perf" and it seems that there is
no way to specify bp_len ? Looks like it is always LEN_4...

Once again, I am just asking.

Oleg.

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