From: Liu Yuan <namei.unix@gmail.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
jaxboe@fusionio.com, akpm@linux-foundation.org,
fengguang.wu@intel.com
Subject: [RFC PATCH 1/5] x86/Kconfig: Add Page Cache Accounting entry
Date: Wed, 2 Mar 2011 16:38:06 +0800 [thread overview]
Message-ID: <1299055090-23976-1-git-send-email-namei.unix@gmail.com> (raw)
In-Reply-To: <no>
From: Liu Yuan <tailai.ly@taobao.com>
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
---
arch/x86/Kconfig.debug | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 615e188..f29e32d 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -304,4 +304,13 @@ config DEBUG_STRICT_USER_COPY_CHECKS
If unsure, or if you run an older (pre 4.4) gcc, say N.
+config PAGE_CACHE_ACCT
+ bool "Page cache accounting"
+ ---help---
+ Enabling this options to account for page cache hit/missed number of
+ times. This would allow user space applications get better knowledge
+ of underlying page cache system by reading virtual file. The statitics
+ per partition are collected.
+
+ If unsure, say N.
endmenu
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next parent reply other threads:[~2011-03-02 8:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <no>
2011-03-02 8:38 ` Liu Yuan [this message]
2011-03-02 16:24 ` [RFC PATCH 1/5] x86/Kconfig: Add Page Cache Accounting entry Randy Dunlap
2011-03-03 3:11 ` Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 2/5] block: Add functions and data types for Page Cache Accounting Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 3/5] block: Make Page Cache counters work with sysfs Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 4/5] mm: Add hit/miss accounting for Page Cache Liu Yuan
2011-03-02 8:45 ` Ingo Molnar
2011-03-02 17:02 ` Dave Hansen
2011-03-02 18:49 ` Ingo Molnar
2011-03-03 0:33 ` Wu Fengguang
2011-03-03 2:01 ` KOSAKI Motohiro
2011-03-03 3:14 ` Tao Ma
2011-03-03 9:34 ` Ingo Molnar
2011-03-03 15:08 ` Tao Ma
2011-03-02 8:38 ` [RFC PATCH 5/5] mm: Add readpages accounting Liu Yuan
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