From: Sasha Levin <sasha.levin@oracle.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
torvalds@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [Patch v5 0/9] liblockdep: userspace lockdep
Date: Thu, 12 Sep 2013 13:40:49 -0400 [thread overview]
Message-ID: <5231FCA1.4090803@oracle.com> (raw)
In-Reply-To: <20130708083914.GB3948@gmail.com>
On 07/08/2013 04:39 AM, Ingo Molnar wrote:
>
> * Sasha Levin <sasha.levin@oracle.com> wrote:
>
>>>> The other issue is that with lock classes disabled you have to hit an
>>>> actual deadlock to trigger any output.
>>>>
>>>> I.e. much of the power of lockdep is diminished :-/ When actual
>>>> deadlocks are triggered then it's not particularly complex to debug
>>>> user-space apps: gdb the hung task(s) and look at the backtraces.
>>>
>>> Lock classes are disabled only if you're using the LD_PRELOAD method
>>> of testing. If you actually re-compile your code with the library (by
>>> just including the header and setting a #define to enable it) you will
>>> have lock classes.
>>
>> Hi Ingo,
>>
>> Just wondering if you're planning on pushing it over to Linus from your
>> tree, or should I go ahead and do it on my own?
>
> PeterZ is in favor as well so I'll apply them after the merge window, for
> v3.12.
Hi Ingo,
Do you intend to send liblockdep in this merge window as planned?
Thanks,
Sasha
next prev parent reply other threads:[~2013-09-12 17:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-13 22:41 [Patch v5 0/9] liblockdep: userspace lockdep Sasha Levin
2013-06-13 22:41 ` [Patch v5 1/9] lockdep: Be nice about building from userspace Sasha Levin
2013-06-13 22:41 ` [Patch v5 2/9] liblockdep: Wrap kernel/lockdep.c to allow usage " Sasha Levin
2013-11-27 14:08 ` [tip:core/locking] liblockdep: Wrap kernel/locking/ lockdep.c " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 3/9] liblockdep: Add public headers for pthread_mutex_t implementation Sasha Levin
2013-11-27 14:08 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 4/9] liblockdep: Add pthread_mutex_t test suite Sasha Levin
2013-11-27 14:08 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 5/9] liblockdep: Add public headers for pthread_rwlock_t implementation Sasha Levin
2013-11-27 14:09 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 6/9] liblockdep: Add pthread_rwlock_t test suite Sasha Levin
2013-11-27 14:09 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 7/9] liblockdep: Support using LD_PRELOAD Sasha Levin
2013-11-27 14:09 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 8/9] liblockdep: Add the 'lockdep' user-space utility Sasha Levin
2013-11-27 14:09 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-13 22:41 ` [Patch v5 9/9] liblockdep: Add a MAINTAINERS entry Sasha Levin
2013-11-27 14:09 ` [tip:core/locking] " tip-bot for Sasha Levin
2013-06-26 12:24 ` [Patch v5 0/9] liblockdep: userspace lockdep Peter Zijlstra
2013-06-26 15:53 ` Ingo Molnar
2013-06-26 19:38 ` Sasha Levin
2013-06-27 9:05 ` Ingo Molnar
2013-06-27 9:07 ` Ingo Molnar
2013-06-27 13:55 ` Sasha Levin
2013-07-08 1:14 ` Sasha Levin
2013-07-08 8:39 ` Ingo Molnar
2013-09-12 17:40 ` Sasha Levin [this message]
2013-09-12 18:01 ` Ingo Molnar
2013-09-14 16:59 ` Sasha Levin
2013-11-08 17:04 ` Sasha Levin
2013-11-09 16:01 ` Peter Zijlstra
2013-11-11 15:56 ` Peter Zijlstra
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