linux-kernel - Re: HW breakpoints perf

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Message-ID: <87ljg1fn3u.fsf@basil.nowhere.org>
Date:	Thu, 14 Jan 2010 03:15:33 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Joshua Pincus <joshua.pincus@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	"K.Prasad" <prasad@...ux.vnet.ibm.com>, peterz@...radead.org,
	paulus@...ba.org, acme@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: HW breakpoints perf_events request

Joshua Pincus <joshua.pincus@...il.com> writes:

> I have a request for an additional feature to be included
> in the recent hardware breakpoints work soon to be delivered
> in kernel 2.6.33.

Sounds to me like the existing ptrace based interface
can practically all you want

(except that the "parent signal" would be wait and for
fork/exec you have to explicitely attach)

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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