Re: [PATCH v2 0/9] liblockdep: userspace lockdep

From: Peter Zijlstra
Date: Thu May 09 2013 - 04:56:12 EST


On Thu, May 09, 2013 at 12:19:07AM -0400, Sasha Levin wrote:
> liblockdep is a tiny wrapper built around kernel/lockdep.c. The aim is to
> provide the same functionality the kernel gets from lockdep to userspace.
>
> The bulk of the code here is the LD_PRELOAD support which provides users
> an easy way to test their code without having to integrate liblockdep into
> said code. Simply doing:
>
> lockdep my_app
>
> Would provide lockdep support to my_app.
>
> There is also a small test suite to test both mutexes and rwlocks, it's
> based on the tests in lib/locking-selftest.c.
>
> This entire patch series was reviewed by lockdep maintainers and accepted to
> the tip tree previously. It was pulled out so that the potential merge of
> liblockdep won't delay the rest of the commits in the tip locking tree.
>
> For some more background about this entire thing, the folks at LWN did
> an awesome overview: http://lwn.net/Articles/536363/
>
>
> Changes from v1:
> - Addressed Peter's comments.
>

root@twins:/usr/src/linux-2.6/tools/lib/lockdep# make
CC FPIC common.o
In file included from ./uinclude/linux/lockdep.h:13:0,
from /usr/src/linux-2.6/tools/lib/lockdep/common.c:4:
./../../../include/linux/lockdep.h:21:27: fatal error: linux/linkage.h: No such file or directory
compilation terminated.
make: *** [common.o] Error 1

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