linux-kernel - Re: [PATCH v7 1/4] spinlock: A new lockref structure for lockless update of refcount

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Message-ID: <20130830103633.GG10002@twins.programming.kicks-ass.net>
Date:	Fri, 30 Aug 2013 12:36:33 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Sedat Dilek <sedat.dilek@...il.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Waiman Long <waiman.long@...com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jeff Layton <jlayton@...hat.com>,
	Miklos Szeredi <mszeredi@...e.cz>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	"Norton, Scott J" <scott.norton@...com>
Subject: Re: [PATCH v7 1/4] spinlock: A new lockref structure for lockless
 update of refcount

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

> ...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 -

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.
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