linux-kernel - Re: [PATCH] perf auto-dep: Speed up feature tests by building them in parallel

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Date:	Mon, 30 Sep 2013 14:12:20 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	David Ahern <dsahern@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...il.com>
Subject: Re: [PATCH] perf auto-dep: Speed up feature tests by building them
 in parallel

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)
[acme@zoo linux]$ time make -j4 -C tools/perf O=/tmp/build/perf install-bin

Auto-detecting system features:

...            stackprotector-all: [ on  ]
...         volatile-register-var: [ on  ]
...                fortify-source: [ on  ]
...                        libelf: [ on  ]
...                   libelf-mmap: [ on  ]
...                         glibc: [ on  ]
...                         dwarf: [ on  ]
...             libelf-getphdrnum: [ on  ]
...                     libunwind: [ on  ]
...                      libaudit: [ on  ]
...                      libslang: [ on  ]
...                          gtk2: [ on  ]
...                  gtk2-infobar: [ on  ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...             libpython-version: [ on  ]
...                        libbfd: [ on  ]
...                       strlcpy: [ OFF ]
...                       on-exit: [ on  ]
...                     backtrace: [ on  ]
...                       libnuma: [ on  ]

make: Entering directory `/home/git/linux/tools/perf'
    MKDIR /tmp/build/perf/arch/

Checking why that strlcpy failed...

- Arnaldo
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