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Date: Mon, 1 Dec 2014 19:35:41 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: kan.liang@...el.com Cc: jolsa@...hat.com, namhyung@...nel.org, linux-kernel@...r.kernel.org, ak@...ux.intel.com Subject: Re: [PATCH V5 1/1] perf tool:perf diff support for different binaries Em Fri, Nov 21, 2014 at 10:55:48AM -0500, kan.liang@...el.com escreveu: > From: Kan Liang <kan.liang@...el.com> > > Currently, the perf diff only works with same binaries. That's because > it compares the symbol start address. It doesn't work if the perf.data > comes from different binaries. This patch matches the function names. > > Here is a simple examples (Only change f2 and f3 functions location.) > There is no change in behavior, but the old perf diff display the wrong > differential profile. [acme@zoo linux]$ am /wb/1.patch Applying: perf tool:perf diff support for different binaries /home/acme/git/linux/.git/rebase-apply/patch:23: trailing whitespace. If no parameters are passed the samples will be sorted by dso and symbol. /home/acme/git/linux/.git/rebase-apply/patch:26: trailing whitespace. symbols name. warning: 2 lines add whitespace errors. [1]+ Stopped am /wb/1.patch [acme@zoo linux]$ Fixing this up this time. Please consider: chmod +x .git/hooks/* - 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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