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Message-ID: <20110330021854.GD20824@ghostprotocols.net> Date: Tue, 29 Mar 2011 23:18:54 -0300 From: Arnaldo Carvalho de Melo <acme@...radead.org> To: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> Cc: Peter Zijlstra <peterz@...radead.org>, Lin Ming <ming.m.lin@...el.com>, Frederic Weisbecker <fweisbec@...il.com>, LKML <linux-kernel@...r.kernel.org>, "2nddept-manager@....hitachi.co.jp" <2nddept-manager@....hitachi.co.jp> Subject: Re: [RFC PATCH] perf report: add sort by file lines Em Wed, Mar 30, 2011 at 10:04:10AM +0900, Masami Hiramatsu escreveu: > So that what we need is a kind of the reverse compiler which generates > intermediate code (a sequence of register assignments) from > instruction code. That's not impossible task, but just hard and fun. :) > For that purpose, we'll need an instruction decoder and an evaluator > which allows us to trace the sequence of address dereferences. > > Anyway, I'd recommend that we should start with just showing > the corresponding "source line" of the address. It may be > enough for some cases. Right, but being able to map events to structure fields is an interestig goal, data annotation instead of code annotation, and if it is fun and hard, even better! :-) - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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