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Date: Fri, 30 Aug 2013 12:44:29 +0200
Message-ID: <CA+icZUWYNGWYeVfGZy13wdrXgJaC_ZNS6ZkSMW5Ger3MkPkXSw@mail.gmail.com>
Subject: Re: [PATCH v7 1/4] spinlock: A new lockref structure for lockless
 update of refcount
From: Sedat Dilek <sedat.dilek@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Waiman Long <waiman.long@hp.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Jeff Layton <jlayton@redhat.com>, Miklos Szeredi <mszeredi@suse.cz>,
        Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>, Andi Kleen <andi@firstfloor.org>,
        "Chandramouleeswaran, Aswin" <aswin@hp.com>,
        "Norton, Scott J" <scott.norton@hp.com>
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On Fri, Aug 30, 2013 at 12:36 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Fri, Aug 30, 2013 at 12:29:34PM +0200, Sedat Dilek wrote:
>> [ Sorry for being off-topic ]
>>
>> Hey Ingo,
>>
>> can you help, please?
>>
>> I installed so far all missing -dev packages...
>>
>> $ sudo apt-get install libelf-dev libdw-dev libunwind7-dev libslang2-dev
>
> It seems to me the easier way is:
>
>  $ apt-get build-dep linux-tools
>

NO, se B-Ds for Ubuntu-kernel v3.2:

Build-Depends: dpkg (>= 1.13.19), debhelper (>= 5), gawk

http://archive.ubuntu.com/ubuntu/pool/main/l/linux-meta/linux-meta_3.2.0.52.62.dsc

>> ...and then want a perf-only build...
>>
>> [ See tools/Makefile ]
>>
>> $ LANG=C LC_ALL=C make -C tools/ perf_install 2>&1 | tee ../perf_install-log.txt
>
> The way I always build that stuff is simply:
>
> $ cd tools/perf
> $ make -j
> $ cp perf `which perf`
> $ cd -
>

Please, see advices in 'tools/Makefile':

        @echo 'You can do:'
        @echo ' $$ make -C tools/ <tool>_install'
        @echo ''
        @echo '  from the kernel command line to build and install one of'
        @echo '  the tools above'
        @echo ''
        @echo '  $$ make tools/install'
        @echo ''
        @echo '  installs all tools.'


> No idea about liblk though, never had that issue but maybe something
> like:
>
> $ cd tools/lib/lk/
> $ make clean
> $ make
>
> will get you a more useful error. dunno, its a fairly trivial little
> library, only a single .c file.

If looked quickly over diverse Makefile one was saying liblk FORCE, so
it should be built, but is NOT!

Thanks anyway, Peter for all the hints!

If you tell me where you discuss perf issues I can describe the problem.

- Sedat -
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