From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 428A78D0039 for ; Thu, 17 Feb 2011 10:09:14 -0500 (EST) Received: by pzk27 with SMTP id 27so463517pzk.14 for ; Thu, 17 Feb 2011 07:09:12 -0800 (PST) From: Minchan Kim Subject: [PATCH v5 4/4] add profile information for invalidated page Date: Fri, 18 Feb 2011 00:08:22 +0900 Message-Id: <7563767d6b6e841a8ac5f8315ee166e0f039723c.1297940291.git.minchan.kim@gmail.com> In-Reply-To: References: In-Reply-To: References: Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm , LKML , Steven Barrett , Ben Gamari , Peter Zijlstra , Rik van Riel , Mel Gorman , KOSAKI Motohiro , Wu Fengguang , Johannes Weiner , Nick Piggin , Andrea Arcangeli , Balbir Singh , KAMEZAWA Hiroyuki , Minchan Kim This patch adds profile information about invalidated page reclaim. It's just for profiling for test so it is never for merging. Acked-by: Rik van Riel Cc: KOSAKI Motohiro Cc: Wu Fengguang Cc: Johannes Weiner Cc: Nick Piggin Cc: Mel Gorman Signed-off-by: Minchan Kim --- include/linux/vmstat.h | 4 ++-- mm/swap.c | 3 +++ mm/vmstat.c | 3 +++ 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 833e676..c38ad95 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -30,8 +30,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, FOR_ALL_ZONES(PGALLOC), - PGFREE, PGACTIVATE, PGDEACTIVATE, - PGFAULT, PGMAJFAULT, + PGFREE, PGACTIVATE, PGDEACTIVATE, PGINVALIDATE, + PGRECLAIM, PGFAULT, PGMAJFAULT, FOR_ALL_ZONES(PGREFILL), FOR_ALL_ZONES(PGSTEAL), FOR_ALL_ZONES(PGSCAN_KSWAPD), diff --git a/mm/swap.c b/mm/swap.c index 0a33714..980c17b 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -397,6 +397,7 @@ static void lru_deactivate(struct page *page, struct zone *zone) * is _really_ small and it's non-critical problem. */ SetPageReclaim(page); + __count_vm_event(PGRECLAIM); } else { /* * The page's writeback ends up during pagevec @@ -409,6 +410,8 @@ static void lru_deactivate(struct page *page, struct zone *zone) if (active) __count_vm_event(PGDEACTIVATE); + + __count_vm_event(PGINVALIDATE); update_page_reclaim_stat(zone, page, file, 0); } diff --git a/mm/vmstat.c b/mm/vmstat.c index 0c3b504..cbe032b 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -896,6 +896,9 @@ static const char * const vmstat_text[] = { "pgactivate", "pgdeactivate", + "pginvalidate", + "pgreclaim", + "pgfault", "pgmajfault", -- 1.7.1 -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org