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Message-ID: <20150619104214.GA3298@gmail.com> Date: Fri, 19 Jun 2015 12:42:14 +0200 From: Ingo Molnar <mingo@...nel.org> To: "Wangnan (F)" <wangnan0@...wei.com> Cc: Hou Pengyang <houpengyang@...wei.com>, acme@...nel.org, mingo@...hat.com, namhyung@...nel.org, a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org Subject: Re: [RFC] perf report: introduce --map-anon-mem for anon-executable-memory symbols parsing * Wangnan (F) <wangnan0@...wei.com> wrote: > On 2015/6/18 22:01, Hou Pengyang wrote: > >This patch introduces a --map-anon-mem argument to perf report to deal > >with anon-executable-memory symbol parsing. > > --map-anon-mem is not a good name. The user defined map area list > introduced in this patch can be used on not only anon mapping but > also file mapping. Yeah, so quirky options generally suck and only 0.01% of the users will use it. It's in a way worse than not having this code, because we'll have to maintain it, but it won't be used. Is there a way to auto-detect 'executable anon mappings' (perhaps by generating an MMAP event with some extra bit set, or a new MMAP event?) so that it's all seemless? The user should not be required to know about such details! Thanks, Ingo -- 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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