From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with ESMTP id 1EA1C6006F5 for ; Thu, 8 Jul 2010 13:35:35 -0400 (EDT) Date: Thu, 8 Jul 2010 13:35:15 -0400 From: Christoph Hellwig Subject: Re: [PATCH] Add trace event for munmap Message-ID: <20100708173515.GA11652@infradead.org> References: <1278597931-26855-1-git-send-email-emunson@mgebm.net> <1278598955.1900.152.camel@laptop> <20100708144407.GA8141@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100708144407.GA8141@us.ibm.com> Sender: owner-linux-mm@kvack.org To: Eric B Munson Cc: Peter Zijlstra , Eric B Munson , akpm@linux-foundation.org, mingo@redhat.com, hugh.dickins@tiscali.co.uk, riel@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, anton@samba.org List-ID: On Thu, Jul 08, 2010 at 03:44:07PM +0100, Eric B Munson wrote: > On Thu, 08 Jul 2010, Peter Zijlstra wrote: > > > On Thu, 2010-07-08 at 15:05 +0100, Eric B Munson wrote: > > > This patch adds a trace event for munmap which will record the starting > > > address of the unmapped area and the length of the umapped area. This > > > event will be used for modeling memory usage. > > > > Does it make sense to couple this with a mmap()/mremap()/brk() > > tracepoint? > > > > We were using the mmap information collected by perf, but I think > those might also be useful so I will send a followup patch to add > them. What kind of infrastructure is perf using for recording mmap()/mremap()/brk() information? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org