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From: Wu Fengguang <fengguang.wu@intel.com>
To: <linux-fsdevel@vger.kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Jan Kara <jack@suse.cz>,
	Michael Rubin <mrubin@google.com>,
	Wu Fengguang <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Andrea Righi <arighi@develer.com>
Cc: linux-mm <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 01/11] writeback: account per-bdi accumulated dirtied pages
Date: Mon, 03 Oct 2011 21:42:29 +0800	[thread overview]
Message-ID: <20111003134536.209467893@intel.com> (raw)
In-Reply-To: 20111003134228.090592370@intel.com

[-- Attachment #1: writeback-bdi-dirtied.patch --]
[-- Type: text/plain, Size: 2019 bytes --]

Introduce the BDI_DIRTIED counter. It will be used for estimating the
bdi's dirty bandwidth.

CC: Jan Kara <jack@suse.cz>
CC: Michael Rubin <mrubin@google.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 include/linux/backing-dev.h |    1 +
 mm/backing-dev.c            |    2 ++
 mm/page-writeback.c         |    1 +
 3 files changed, 4 insertions(+)

--- linux-next.orig/include/linux/backing-dev.h	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/include/linux/backing-dev.h	2011-10-03 21:05:33.000000000 +0800
@@ -40,6 +40,7 @@ typedef int (congested_fn)(void *, int);
 enum bdi_stat_item {
 	BDI_RECLAIMABLE,
 	BDI_WRITEBACK,
+	BDI_DIRTIED,
 	BDI_WRITTEN,
 	NR_BDI_STAT_ITEMS
 };
--- linux-next.orig/mm/page-writeback.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/page-writeback.c	2011-10-03 21:05:33.000000000 +0800
@@ -1322,6 +1322,7 @@ void account_page_dirtied(struct page *p
 		__inc_zone_page_state(page, NR_FILE_DIRTY);
 		__inc_zone_page_state(page, NR_DIRTIED);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+		__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
 		task_dirty_inc(current);
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
--- linux-next.orig/mm/backing-dev.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/backing-dev.c	2011-10-03 21:05:33.000000000 +0800
@@ -97,6 +97,7 @@ static int bdi_debug_stats_show(struct s
 		   "BdiDirtyThresh:     %10lu kB\n"
 		   "DirtyThresh:        %10lu kB\n"
 		   "BackgroundThresh:   %10lu kB\n"
+		   "BdiDirtied:         %10lu kB\n"
 		   "BdiWritten:         %10lu kB\n"
 		   "BdiWriteBandwidth:  %10lu kBps\n"
 		   "b_dirty:            %10lu\n"
@@ -109,6 +110,7 @@ static int bdi_debug_stats_show(struct s
 		   K(bdi_thresh),
 		   K(dirty_thresh),
 		   K(background_thresh),
+		   (unsigned long) K(bdi_stat(bdi, BDI_DIRTIED)),
 		   (unsigned long) K(bdi_stat(bdi, BDI_WRITTEN)),
 		   (unsigned long) K(bdi->write_bandwidth),
 		   nr_dirty,



WARNING: multiple messages have this Message-ID (diff)
From: Wu Fengguang <fengguang.wu@intel.com>
To: <linux-fsdevel@vger.kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Jan Kara <jack@suse.cz>,
	Michael Rubin <mrubin@google.com>,
	Wu Fengguang <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Andrea Righi <arighi@develer.com>
Cc: linux-mm <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 01/11] writeback: account per-bdi accumulated dirtied pages
Date: Mon, 03 Oct 2011 21:42:29 +0800	[thread overview]
Message-ID: <20111003134536.209467893@intel.com> (raw)
In-Reply-To: 20111003134228.090592370@intel.com

[-- Attachment #1: writeback-bdi-dirtied.patch --]
[-- Type: text/plain, Size: 2322 bytes --]

Introduce the BDI_DIRTIED counter. It will be used for estimating the
bdi's dirty bandwidth.

CC: Jan Kara <jack@suse.cz>
CC: Michael Rubin <mrubin@google.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 include/linux/backing-dev.h |    1 +
 mm/backing-dev.c            |    2 ++
 mm/page-writeback.c         |    1 +
 3 files changed, 4 insertions(+)

--- linux-next.orig/include/linux/backing-dev.h	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/include/linux/backing-dev.h	2011-10-03 21:05:33.000000000 +0800
@@ -40,6 +40,7 @@ typedef int (congested_fn)(void *, int);
 enum bdi_stat_item {
 	BDI_RECLAIMABLE,
 	BDI_WRITEBACK,
+	BDI_DIRTIED,
 	BDI_WRITTEN,
 	NR_BDI_STAT_ITEMS
 };
--- linux-next.orig/mm/page-writeback.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/page-writeback.c	2011-10-03 21:05:33.000000000 +0800
@@ -1322,6 +1322,7 @@ void account_page_dirtied(struct page *p
 		__inc_zone_page_state(page, NR_FILE_DIRTY);
 		__inc_zone_page_state(page, NR_DIRTIED);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+		__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
 		task_dirty_inc(current);
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
--- linux-next.orig/mm/backing-dev.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/backing-dev.c	2011-10-03 21:05:33.000000000 +0800
@@ -97,6 +97,7 @@ static int bdi_debug_stats_show(struct s
 		   "BdiDirtyThresh:     %10lu kB\n"
 		   "DirtyThresh:        %10lu kB\n"
 		   "BackgroundThresh:   %10lu kB\n"
+		   "BdiDirtied:         %10lu kB\n"
 		   "BdiWritten:         %10lu kB\n"
 		   "BdiWriteBandwidth:  %10lu kBps\n"
 		   "b_dirty:            %10lu\n"
@@ -109,6 +110,7 @@ static int bdi_debug_stats_show(struct s
 		   K(bdi_thresh),
 		   K(dirty_thresh),
 		   K(background_thresh),
+		   (unsigned long) K(bdi_stat(bdi, BDI_DIRTIED)),
 		   (unsigned long) K(bdi_stat(bdi, BDI_WRITTEN)),
 		   (unsigned long) K(bdi->write_bandwidth),
 		   nr_dirty,


--
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WARNING: multiple messages have this Message-ID (diff)
From: Wu Fengguang <fengguang.wu@intel.com>
To: linux-fsdevel@vger.kernel.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Jan Kara <jack@suse.cz>,
	Michael Rubin <mrubin@google.com>,
	Wu Fengguang <fengguang.wu@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Hellwig <hch@lst.de>,
	Dave Chinner <david@fromorbit.com>,
	Greg Thelen <gthelen@google.com>,
	Minchan Kim <minchan.kim@gmail.com>,
	Vivek Goyal <vgoyal@redhat.com>,
	Andrea Righi <arighi@develer.com>, linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 01/11] writeback: account per-bdi accumulated dirtied pages
Date: Mon, 03 Oct 2011 21:42:29 +0800	[thread overview]
Message-ID: <20111003134536.209467893@intel.com> (raw)
In-Reply-To: 20111003134228.090592370@intel.com

[-- Attachment #1: writeback-bdi-dirtied.patch --]
[-- Type: text/plain, Size: 2322 bytes --]

Introduce the BDI_DIRTIED counter. It will be used for estimating the
bdi's dirty bandwidth.

CC: Jan Kara <jack@suse.cz>
CC: Michael Rubin <mrubin@google.com>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 include/linux/backing-dev.h |    1 +
 mm/backing-dev.c            |    2 ++
 mm/page-writeback.c         |    1 +
 3 files changed, 4 insertions(+)

--- linux-next.orig/include/linux/backing-dev.h	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/include/linux/backing-dev.h	2011-10-03 21:05:33.000000000 +0800
@@ -40,6 +40,7 @@ typedef int (congested_fn)(void *, int);
 enum bdi_stat_item {
 	BDI_RECLAIMABLE,
 	BDI_WRITEBACK,
+	BDI_DIRTIED,
 	BDI_WRITTEN,
 	NR_BDI_STAT_ITEMS
 };
--- linux-next.orig/mm/page-writeback.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/page-writeback.c	2011-10-03 21:05:33.000000000 +0800
@@ -1322,6 +1322,7 @@ void account_page_dirtied(struct page *p
 		__inc_zone_page_state(page, NR_FILE_DIRTY);
 		__inc_zone_page_state(page, NR_DIRTIED);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+		__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
 		task_dirty_inc(current);
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
--- linux-next.orig/mm/backing-dev.c	2011-10-03 21:05:32.000000000 +0800
+++ linux-next/mm/backing-dev.c	2011-10-03 21:05:33.000000000 +0800
@@ -97,6 +97,7 @@ static int bdi_debug_stats_show(struct s
 		   "BdiDirtyThresh:     %10lu kB\n"
 		   "DirtyThresh:        %10lu kB\n"
 		   "BackgroundThresh:   %10lu kB\n"
+		   "BdiDirtied:         %10lu kB\n"
 		   "BdiWritten:         %10lu kB\n"
 		   "BdiWriteBandwidth:  %10lu kBps\n"
 		   "b_dirty:            %10lu\n"
@@ -109,6 +110,7 @@ static int bdi_debug_stats_show(struct s
 		   K(bdi_thresh),
 		   K(dirty_thresh),
 		   K(background_thresh),
+		   (unsigned long) K(bdi_stat(bdi, BDI_DIRTIED)),
 		   (unsigned long) K(bdi_stat(bdi, BDI_WRITTEN)),
 		   (unsigned long) K(bdi->write_bandwidth),
 		   nr_dirty,


--
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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2011-10-03 13:47 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-03 13:42 [PATCH 00/11] IO-less dirty throttling v12 Wu Fengguang
2011-10-03 13:42 ` Wu Fengguang
2011-10-03 13:42 ` Wu Fengguang
2011-10-03 13:42 ` Wu Fengguang [this message]
2011-10-03 13:42   ` [PATCH 01/11] writeback: account per-bdi accumulated dirtied pages Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 02/11] writeback: dirty position control Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 03/11] writeback: add bg_threshold parameter to __bdi_update_bandwidth() Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 04/11] writeback: dirty rate control Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 05/11] writeback: stabilize bdi->dirty_ratelimit Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 06/11] writeback: per task dirty rate limit Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 07/11] writeback: IO-less balance_dirty_pages() Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 08/11] writeback: limit max dirty pause time Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 09/11] writeback: control " Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 10/11] writeback: dirty position control - bdi reserve area Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42 ` [PATCH 11/11] writeback: per-bdi background threshold Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:42   ` Wu Fengguang
2011-10-03 13:59 ` [PATCH 00/11] IO-less dirty throttling v12 Wu Fengguang
2011-10-03 13:59   ` Wu Fengguang
2011-10-05  1:42   ` Wu Fengguang
2011-10-05  1:42     ` Wu Fengguang
2011-10-04 19:52 ` Vivek Goyal
2011-10-04 19:52   ` Vivek Goyal
2011-10-05 13:56   ` Wu Fengguang
2011-10-05 13:56     ` Wu Fengguang
2011-10-05 15:16   ` Andi Kleen
2011-10-05 15:16     ` Andi Kleen
2011-10-10 12:14 ` Peter Zijlstra
2011-10-10 12:14   ` Peter Zijlstra
2011-10-10 13:07   ` Wu Fengguang
2011-10-10 13:07     ` Wu Fengguang
2011-10-10 13:10     ` [RFC][PATCH 1/2] nfs: writeback pages wait queue Wu Fengguang
2011-10-10 13:10       ` Wu Fengguang
2011-10-10 13:11       ` [RFC][PATCH 2/2] nfs: scale writeback threshold proportional to dirty threshold Wu Fengguang
2011-10-10 13:11         ` Wu Fengguang
2011-10-18  8:53         ` Wu Fengguang
2011-10-18  8:53           ` Wu Fengguang
2011-10-18  8:53           ` Wu Fengguang
2011-10-18  8:59           ` Wu Fengguang
2011-10-18  8:59             ` Wu Fengguang
2011-10-18  8:59             ` Wu Fengguang
2011-10-20  2:49             ` Wu Fengguang
2011-10-20  2:49               ` Wu Fengguang
2011-10-18  8:51       ` [RFC][PATCH 1/2] nfs: writeback pages wait queue Wu Fengguang
2011-10-18  8:51         ` Wu Fengguang
2011-10-20  3:59         ` Wu Fengguang
2011-10-20  3:59           ` Wu Fengguang
2011-10-10 14:28     ` [PATCH 00/11] IO-less dirty throttling v12 Wu Fengguang
2011-10-10 14:28       ` Wu Fengguang
2011-10-17  3:03       ` Wu Fengguang
2011-10-17  3:03         ` Wu Fengguang
2011-10-20  3:39 ` Wu Fengguang
2011-10-20  3:39   ` Wu Fengguang

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