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Date: Wed, 27 Mar 2013 10:07:52 -0700 From: Roberto Vitillo <ravitillo@....gov> To: Namhyung Kim <namhyung@...nel.org> Cc: linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com, acme@...stprotocols.net Subject: Re: [PATCH v2] perf: add callgrind conversion tool On Wed, Mar 27, 2013 at 12:23 AM, Namhyung Kim <namhyung@...nel.org> wrote: > Hi Roberto, > > On Tue, 26 Mar 2013 12:14:49 -0700, Roberto Vitillo wrote: >> The proposed patch adds the convert tool to perf which allows to convert a >> perf.data file to a set of callgrind data files which can subsequently be >> displayed with kcachegrind. >> >> Note that the code may trigger the following bug in libbfd: >> http://sourceware.org/bugzilla/show_bug.cgi?id=15106 > > Does it now support call graph too? Great if so! Yes it does. > Anyway, I suggest that splitting patch to two - one for addr2line and > another for actual 'convert' tool. Ok > I think we *can* use the tool > without libbfd (but with external addr2line binary or even with no line > number information). Well, I could use the external addr2line binary but the tool will become terribly slow. A warning message could notify the user to recompile perf with libbfd to speed up the conversion. -- 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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