Re: [PATCH 0/9] liblockdep: userspace lockdep
From: Sasha Levin
Date: Tue May 07 2013 - 12:17:00 EST
Ping?
Thanks,
Sasha
On 04/30/2013 02:54 PM, 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/
>
>
> Sasha Levin (9):
> lockdep: Be nice about building from userspace
> liblockdep: Wrap kernel/lockdep.c to allow usage from userspace
> liblockdep: Add public headers for pthread_mutex_t implementation
> liblockdep: Add pthread_mutex_t test suite
> liblockdep: Add public headers for pthread_rwlock_t implementation
> liblockdep: Add pthread_rwlock_t test suite
> liblockdep: Support using LD_PRELOAD
> liblockdep: Add the 'lockdep' user-space utility
> liblockdep: Add a MAINTAINERS entry
>
> MAINTAINERS | 5 +
> kernel/lockdep.c | 4 +
> tools/lib/lockdep/Makefile | 251 ++++++++++++++
> tools/lib/lockdep/common.c | 33 ++
> tools/lib/lockdep/include/liblockdep/common.h | 43 +++
> tools/lib/lockdep/include/liblockdep/mutex.h | 73 ++++
> tools/lib/lockdep/include/liblockdep/rwlock.h | 91 +++++
> tools/lib/lockdep/lockdep | 3 +
> tools/lib/lockdep/lockdep.c | 2 +
> tools/lib/lockdep/lockdep_internals.h | 1 +
> tools/lib/lockdep/lockdep_states.h | 1 +
> tools/lib/lockdep/preload.c | 386 +++++++++++++++++++++
> tools/lib/lockdep/rbtree.c | 1 +
> tools/lib/lockdep/run_tests.sh | 27 ++
> tools/lib/lockdep/tests/AA.c | 13 +
> tools/lib/lockdep/tests/ABBA.c | 13 +
> tools/lib/lockdep/tests/ABBCCA.c | 15 +
> tools/lib/lockdep/tests/ABBCCDDA.c | 17 +
> tools/lib/lockdep/tests/ABCABC.c | 15 +
> tools/lib/lockdep/tests/ABCDBCDA.c | 17 +
> tools/lib/lockdep/tests/ABCDBDDA.c | 17 +
> tools/lib/lockdep/tests/WW.c | 13 +
> tools/lib/lockdep/tests/common.h | 12 +
> tools/lib/lockdep/tests/unlock_balance.c | 12 +
> tools/lib/lockdep/uinclude/asm/hweight.h | 0
> tools/lib/lockdep/uinclude/asm/sections.h | 0
> tools/lib/lockdep/uinclude/linux/bitops.h | 0
> tools/lib/lockdep/uinclude/linux/compiler.h | 7 +
> tools/lib/lockdep/uinclude/linux/debug_locks.h | 12 +
> tools/lib/lockdep/uinclude/linux/delay.h | 0
> tools/lib/lockdep/uinclude/linux/export.h | 7 +
> tools/lib/lockdep/uinclude/linux/ftrace.h | 0
> tools/lib/lockdep/uinclude/linux/gfp.h | 0
> tools/lib/lockdep/uinclude/linux/hardirq.h | 11 +
> tools/lib/lockdep/uinclude/linux/hash.h | 1 +
> tools/lib/lockdep/uinclude/linux/interrupt.h | 0
> tools/lib/lockdep/uinclude/linux/irqflags.h | 38 ++
> tools/lib/lockdep/uinclude/linux/kallsyms.h | 32 ++
> tools/lib/lockdep/uinclude/linux/kernel.h | 36 ++
> tools/lib/lockdep/uinclude/linux/kmemcheck.h | 8 +
> tools/lib/lockdep/uinclude/linux/linkage.h | 0
> tools/lib/lockdep/uinclude/linux/list.h | 1 +
> tools/lib/lockdep/uinclude/linux/lockdep.h | 58 ++++
> tools/lib/lockdep/uinclude/linux/mm_types.h | 0
> tools/lib/lockdep/uinclude/linux/module.h | 6 +
> tools/lib/lockdep/uinclude/linux/mutex.h | 0
> tools/lib/lockdep/uinclude/linux/poison.h | 1 +
> tools/lib/lockdep/uinclude/linux/prefetch.h | 6 +
> tools/lib/lockdep/uinclude/linux/proc_fs.h | 0
> tools/lib/lockdep/uinclude/linux/rbtree.h | 1 +
> .../lib/lockdep/uinclude/linux/rbtree_augmented.h | 2 +
> tools/lib/lockdep/uinclude/linux/rcu.h | 16 +
> tools/lib/lockdep/uinclude/linux/seq_file.h | 0
> tools/lib/lockdep/uinclude/linux/spinlock.h | 25 ++
> tools/lib/lockdep/uinclude/linux/stacktrace.h | 32 ++
> tools/lib/lockdep/uinclude/linux/stringify.h | 7 +
> tools/lib/lockdep/uinclude/linux/system.h | 0
> tools/lib/lockdep/uinclude/linux/types.h | 58 ++++
> tools/lib/lockdep/uinclude/linux/util.h | 0
> tools/lib/lockdep/uinclude/trace/events/lock.h | 0
> 60 files changed, 1430 insertions(+)
> create mode 100644 tools/lib/lockdep/Makefile
> create mode 100644 tools/lib/lockdep/common.c
> create mode 100644 tools/lib/lockdep/include/liblockdep/common.h
> create mode 100644 tools/lib/lockdep/include/liblockdep/mutex.h
> create mode 100644 tools/lib/lockdep/include/liblockdep/rwlock.h
> create mode 100755 tools/lib/lockdep/lockdep
> create mode 100644 tools/lib/lockdep/lockdep.c
> create mode 100644 tools/lib/lockdep/lockdep_internals.h
> create mode 100644 tools/lib/lockdep/lockdep_states.h
> create mode 100644 tools/lib/lockdep/preload.c
> create mode 100644 tools/lib/lockdep/rbtree.c
> create mode 100755 tools/lib/lockdep/run_tests.sh
> create mode 100644 tools/lib/lockdep/tests/AA.c
> create mode 100644 tools/lib/lockdep/tests/ABBA.c
> create mode 100644 tools/lib/lockdep/tests/ABBCCA.c
> create mode 100644 tools/lib/lockdep/tests/ABBCCDDA.c
> create mode 100644 tools/lib/lockdep/tests/ABCABC.c
> create mode 100644 tools/lib/lockdep/tests/ABCDBCDA.c
> create mode 100644 tools/lib/lockdep/tests/ABCDBDDA.c
> create mode 100644 tools/lib/lockdep/tests/WW.c
> create mode 100644 tools/lib/lockdep/tests/common.h
> create mode 100644 tools/lib/lockdep/tests/unlock_balance.c
> create mode 100644 tools/lib/lockdep/uinclude/asm/hweight.h
> create mode 100644 tools/lib/lockdep/uinclude/asm/sections.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/bitops.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/compiler.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/debug_locks.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/delay.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/export.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/ftrace.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/gfp.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/hardirq.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/hash.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/interrupt.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/irqflags.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/kallsyms.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/kernel.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/kmemcheck.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/linkage.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/list.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/lockdep.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/mm_types.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/module.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/mutex.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/poison.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/prefetch.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/proc_fs.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/rbtree.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/rbtree_augmented.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/rcu.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/seq_file.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/spinlock.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/stacktrace.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/stringify.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/system.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/types.h
> create mode 100644 tools/lib/lockdep/uinclude/linux/util.h
> create mode 100644 tools/lib/lockdep/uinclude/trace/events/lock.h
>
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