Re: [PATCH] perf auto-dep: Speed up feature tests by building themin parallel

[Arnaldo Carvalho de Melo]

Em Mon, Sep 30, 2013 at 02:12:20PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Sep 30, 2013 at 06:42:10PM +0200, Ingo Molnar escreveu:
> > 
> > This series (with combo patch attached) implements (much) faster 
> > perf-tools feature-auto-detection.
> 
> Cool stuff!
> 
> Testing:
> 
> [acme@zoo linux]$ cat /etc/fedora-release 
> Fedora release 18 (Spherical Cow)

Before:

 Performance counter stats for 'make -j4 -C tools/perf O=/tmp/build/perf' (3 runs):

       7.336208823 seconds time elapsed               ( +-  5.75% )

After:

       3.831295406 seconds time elapsed               ( +-  1.20% )

- Arnaldo
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