Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964998Ab0GPKSW (ORCPT ); Fri, 16 Jul 2010 06:18:22 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:51833 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964951Ab0GPKSV (ORCPT ); Fri, 16 Jul 2010 06:18:21 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: LKML , linux-mm , Andrew Morton , Mel Gorman , KAMEZAWA Hiroyuki , Nishimura Daisuke Subject: [PATCH 7/7] memcg: add mm_vmscan_memcg_isolate tracepoint Cc: kosaki.motohiro@jp.fujitsu.com In-Reply-To: <20100716191006.7369.A69D9226@jp.fujitsu.com> References: <20100716191006.7369.A69D9226@jp.fujitsu.com> Message-Id: <20100716191739.737E.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Fri, 16 Jul 2010 19:18:18 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1925 Lines: 71 Memcg also need to trace page isolation information as global reclaim. This patch does it. Signed-off-by: KOSAKI Motohiro --- include/trace/events/vmscan.h | 15 +++++++++++++++ mm/memcontrol.c | 7 +++++++ 2 files changed, 22 insertions(+), 0 deletions(-) diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index e37fe72..eefd399 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -213,6 +213,21 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, ); +DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, + + TP_PROTO(int order, + unsigned long nr_requested, + unsigned long nr_scanned, + unsigned long nr_taken, + unsigned long nr_lumpy_taken, + unsigned long nr_lumpy_dirty, + unsigned long nr_lumpy_failed, + int isolate_mode), + + TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode) + +); + TRACE_EVENT(mm_vmscan_writepage, TP_PROTO(struct page *page, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 81bc9bf..82e191f 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -52,6 +52,9 @@ #include +#include + + struct cgroup_subsys mem_cgroup_subsys __read_mostly; #define MEM_CGROUP_RECLAIM_RETRIES 5 struct mem_cgroup *root_mem_cgroup __read_mostly; @@ -1042,6 +1045,10 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, } *scanned = scan; + + trace_mm_vmscan_memcg_isolate(0, nr_to_scan, scan, nr_taken, + 0, 0, 0, mode); + return nr_taken; } -- 1.6.5.2 -- 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/