From: David Howells <dhowells@redhat.com>
To: unlisted-recipients:; (no To-header on input)
Cc: dhowells@redhat.com, torvalds@osdl.org,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
Mike Frysinger <vapier@gentoo.org>,
Paul Mundt <lethal@linux-sh.org>,
Robin Getz <rgetz@blackfin.uclinux.org>
Subject: Re: [PATCH 3/4] NOMMU: Make it possible to get the per-task stack usage through /proc for NOMMU
Date: Thu, 24 Sep 2009 18:20:14 +0100 [thread overview]
Message-ID: <20511.1253812814@redhat.com> (raw)
In-Reply-To: <20090924113342.6031.82407.stgit@warthog.procyon.org.uk>
David Howells <dhowells@redhat.com> wrote:
> Make it possible to get the per-task stack usage through /proc on a NOMMU
> system. This is required because walk_page_range() doesn't work on NOMMU.
>
> # grep "Stack usage:" /proc/*/status
> /proc/1/status:Stack usage: 2 kB
> /proc/56/status:Stack usage: 2 kB
> /proc/57/status:Stack usage: 1 kB
> /proc/58/status:Stack usage: 2 kB
> /proc/59/status:Stack usage: 5 kB
> /proc/self/status:Stack usage: 1 kB
>
> I've only tested it with ELF-FDPIC, though it should work with FLAT too.
Ignore this patch, please. It only works for single-threaded processes.
David
next prev parent reply other threads:[~2009-09-24 17:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-24 11:33 [PATCH 1/4] NOMMU: Fallback for is_vmalloc_or_module_addr() should be inline David Howells
2009-09-24 11:33 ` [PATCH 2/4] NOMMU: There are no pagetables for walk_page_range() in NOMMU mode David Howells
2009-09-24 11:33 ` [PATCH 3/4] NOMMU: Make it possible to get the per-task stack usage through /proc for NOMMU David Howells
2009-09-24 17:20 ` David Howells [this message]
2009-09-24 11:33 ` [PATCH 4/4] NOMMU: Ignore mmap() address param as it is a hint David Howells
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