From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id D50F36B005A for ; Thu, 30 Jul 2009 09:46:09 -0400 (EDT) Message-ID: <4A71A3FD.6030802@redhat.com> Date: Thu, 30 Jul 2009 09:45:33 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 4/4] tracing, page-allocator: Add a postprocessing script for page-allocator-related ftrace events References: <1248901551-7072-1-git-send-email-mel@csn.ul.ie> <1248901551-7072-5-git-send-email-mel@csn.ul.ie> In-Reply-To: <1248901551-7072-5-git-send-email-mel@csn.ul.ie> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Larry Woodman , Ingo Molnar , Peter Zijlstra , LKML , linux-mm@kvack.org List-ID: Mel Gorman wrote: > This patch adds a simple post-processing script for the page-allocator-related > trace events. It can be used to give an indication of who the most > allocator-intensive processes are and how often the zone lock was taken > during the tracing period. Example output looks like > > find-2840 > o pages allocd = 1877 > o pages allocd under lock = 1817 > o pages freed directly = 9 > o pcpu refills = 1078 > o migrate fallbacks = 48 > - fragmentation causing = 48 > - severe = 46 > - moderate = 2 > - changed migratetype = 7 I like it. Acked-by: Rik van Riel -- All rights reversed. -- 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