Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756647Ab0LERa0 (ORCPT ); Sun, 5 Dec 2010 12:30:26 -0500 Received: from mail-pv0-f174.google.com ([74.125.83.174]:60513 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756576Ab0LERaQ (ORCPT ); Sun, 5 Dec 2010 12:30:16 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=UU2QKEZMw1bPf7XYJIYhGQqqcSHNp6HpC9Cl9qdZxuXlJE2hefJoP2Rcu/tI4PYePz +uZzU3VB4BTlimwxPIsuh+91OcUrf0ePvi9RrBsX081qpn+xPzEt88xtzDUyx9L3xdbd Njo3+bZ0r4B6e1pwpnUGKDhtlswxcP7CpELU0= From: Minchan Kim To: Andrew Morton Cc: Rik van Riel , KOSAKI Motohiro , linux-mm , LKML , Minchan Kim , Wu Fengguang , Johannes Weiner , Nick Piggin , Mel Gorman Subject: [PATCH v4 5/7] add profile information for invalidated page reclaim Date: Mon, 6 Dec 2010 02:29:13 +0900 Message-Id: X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2214 Lines: 75 This patch adds profile information about invalidated page reclaim. It's just for profiling for test so it would be discard when the series are merged. Signed-off-by: Minchan Kim Cc: Rik van Riel Cc: KOSAKI Motohiro Cc: Wu Fengguang Cc: Johannes Weiner Cc: Nick Piggin Cc: Mel Gorman --- 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 0f23998..2f21e6e 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -317,6 +317,7 @@ 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 @@ -328,6 +329,8 @@ 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 3555636..ef6102d 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -818,6 +818,9 @@ static const char * const vmstat_text[] = { "pgactivate", "pgdeactivate", + "pginvalidate", + "pgreclaim", + "pgfault", "pgmajfault", -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/