From: Ingo Molnar <mingo@elte.hu>
To: Catalin Marinas <catalin.marinas@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13
Date: Wed, 27 Dec 2006 17:47:45 +0100 [thread overview]
Message-ID: <20061227164745.GA10077@elte.hu> (raw)
In-Reply-To: <b0943d9e0612270814m30fe8813mad20f22f9d188896@mail.gmail.com>
* Catalin Marinas <catalin.marinas@gmail.com> wrote:
> On 17/12/06, Ingo Molnar <mingo@elte.hu> wrote:
> >it would be nice to record 1) the jiffies value at the time of
> >allocation, 2) the PID and the comm of the task that did the allocation.
> >The jiffies timestamp would be useful to see the age of the allocation,
> >and the PID/comm is useful for context.
>
> Trying to copy the comm with get_task_comm, I get the lockdep report
> below, caused by acquiring the task's alloc_lock. Any idea how to go
> around this?
just memcpy p->comm without any locking. It's for the current task,
right? That does not need any locking.
Ingo
next prev parent reply other threads:[~2006-12-27 16:50 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-16 15:34 [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13 Catalin Marinas
2006-12-16 15:34 ` [PATCH 2.6.20-rc1 01/10] Base support for kmemleak Catalin Marinas
2006-12-16 15:34 ` [PATCH 2.6.20-rc1 02/10] Kmemleak documentation Catalin Marinas
2006-12-16 15:34 ` [PATCH 2.6.20-rc1 03/10] Add the memory allocation/freeing hooks for kmemleak Catalin Marinas
2006-12-16 15:34 ` [PATCH 2.6.20-rc1 04/10] Modules support " Catalin Marinas
2006-12-16 15:35 ` [PATCH 2.6.20-rc1 05/10] Add kmemleak support for i386 Catalin Marinas
2006-12-16 15:35 ` [PATCH 2.6.20-rc1 06/10] Add kmemleak support for ARM Catalin Marinas
2006-12-16 15:35 ` [PATCH 2.6.20-rc1 07/10] Remove some of the kmemleak false positives Catalin Marinas
2006-12-16 15:35 ` [PATCH 2.6.20-rc1 08/10] Keep the __init functions after initialization Catalin Marinas
2006-12-16 15:35 ` [PATCH 2.6.20-rc1 09/10] Testing module for kmemleak Catalin Marinas
2006-12-16 15:36 ` [PATCH 2.6.20-rc1 10/10] Update the MAINTAINERS file " Catalin Marinas
2006-12-16 16:57 ` [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13 Ingo Molnar
2006-12-16 23:39 ` Catalin Marinas
2006-12-17 8:58 ` Ingo Molnar
2006-12-17 9:09 ` Ingo Molnar
2006-12-17 9:28 ` Ingo Molnar
2006-12-17 9:41 ` Ingo Molnar
2006-12-17 9:49 ` Ingo Molnar
2006-12-17 12:05 ` Catalin Marinas
2006-12-27 16:14 ` Catalin Marinas
2006-12-27 16:23 ` Arjan van de Ven
2006-12-27 16:30 ` Catalin Marinas
2006-12-27 16:47 ` Ingo Molnar [this message]
2006-12-27 16:56 ` Ingo Molnar
2006-12-27 17:02 ` Catalin Marinas
2006-12-17 11:58 ` Catalin Marinas
2006-12-17 13:28 ` Ingo Molnar
2006-12-17 11:09 ` Mike Galbraith
2006-12-17 23:05 ` Catalin Marinas
2006-12-18 7:29 ` Ingo Molnar
2006-12-18 10:28 ` Catalin Marinas
2006-12-18 11:21 ` Ingo Molnar
2006-12-18 12:26 ` Catalin Marinas
2006-12-18 19:56 ` Ingo Molnar
2006-12-19 9:36 ` Catalin Marinas
2006-12-27 13:52 ` Catalin Marinas
2006-12-27 15:08 ` Ingo Molnar
2006-12-27 17:30 ` Ingo Molnar
2006-12-28 0:15 ` Catalin Marinas
2006-12-28 9:44 ` Ingo Molnar
2006-12-28 11:50 ` Catalin Marinas
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