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Message-ID: <20140914094112.GT346@worktop.programming.kicks-ass.net> Date: Sun, 14 Sep 2014 11:41:12 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Avi Kivity <avi@...udius-systems.com> Cc: Jiri Olsa <jolsa@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, Namhyung Kim <namhyung@...nel.org>, Paul Mackerras <paulus@...ba.org>, Stephane Eranian <eranian@...gle.com>, Jan Stancek <jstancek@...hat.com> Subject: Re: [BUG] perf tools: Demangle kernel and kernel module symbols too On Sat, Sep 13, 2014 at 06:34:37AM +0300, Avi Kivity wrote: > It's not a simple matter of updating the test: the demangler interprets name > beginning with __vt as C++ mangles names, which of course they aren't. Oh, that'll give cute 'problems' in a mixed C/C++ project that just happens to have __vt names in. Now of course I'm aware that C/C++ 'reserve' the __ prefix, which I suppose that makes it less likely in practise. > The only way I see to proceed is to make the demangling optional, default > off. Seems like a good way out, we could think about adding a language heuristic that tries and guess the target language and auto enables when it guesses C++, but that needs to have overrides as well. -- 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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