RE: [PATCH V5 1/1] perf tool:perf diff support for different binaries

From: Liang, Kan
Date: Tue Dec 02 2014 - 10:51:23 EST




>
> Em Fri, Nov 21, 2014 at 10:55:48AM -0500, kan.liang@xxxxxxxxx escreveu:
> > From: Kan Liang <kan.liang@xxxxxxxxx>
> >
> > 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.
>

Sorry for the inconvenience, I will repost a clean version then.

Thanks,
Kan

> [1]+ Stopped am /wb/1.patch
> [acme@zoo linux]$
>
> Fixing this up this time.
>
> Please consider:
>
> chmod +x .git/hooks/*
>
> - Arnaldo
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