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 1/5] writeback: account per-bdi accumulated dirtied pages Date: Tue, 16 Aug 2011 10:20:07 +0800 [thread overview] Message-ID: <20110816022328.684033431@intel.com> (raw) In-Reply-To: 20110816022006.348714319@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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/include/linux/backing-dev.h 2011-06-12 20:58:40.000000000 +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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/mm/page-writeback.c 2011-06-12 20:58:40.000000000 +0800 @@ -1530,6 +1530,7 @@ 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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/mm/backing-dev.c 2011-06-12 20:58:55.000000000 +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>, 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 1/5] writeback: account per-bdi accumulated dirtied pages Date: Tue, 16 Aug 2011 10:20:07 +0800 [thread overview] Message-ID: <20110816022328.684033431@intel.com> (raw) In-Reply-To: 20110816022006.348714319@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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/include/linux/backing-dev.h 2011-06-12 20:58:40.000000000 +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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/mm/page-writeback.c 2011-06-12 20:58:40.000000000 +0800 @@ -1530,6 +1530,7 @@ 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 2011-06-12 20:58:31.000000000 +0800 +++ linux-next/mm/backing-dev.c 2011-06-12 20:58:55.000000000 +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>
next prev parent reply other threads:[~2011-08-16 3:30 UTC|newest] Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-16 2:20 [PATCH 0/5] IO-less dirty throttling v9 Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang [this message] 2011-08-16 2:20 ` [PATCH 1/5] writeback: account per-bdi accumulated dirtied pages Wu Fengguang 2011-08-16 2:20 ` [PATCH 2/5] writeback: dirty position control Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 19:41 ` Jan Kara 2011-08-16 19:41 ` Jan Kara 2011-08-17 13:23 ` Wu Fengguang 2011-08-17 13:49 ` Wu Fengguang 2011-08-17 13:49 ` Wu Fengguang 2011-08-17 20:24 ` Jan Kara 2011-08-17 20:24 ` Jan Kara 2011-08-18 4:18 ` Wu Fengguang 2011-08-18 4:18 ` Wu Fengguang 2011-08-18 4:41 ` Wu Fengguang 2011-08-18 4:41 ` Wu Fengguang 2011-08-18 19:16 ` Jan Kara 2011-08-18 19:16 ` Jan Kara 2011-08-24 3:16 ` Wu Fengguang 2011-08-24 3:16 ` Wu Fengguang 2011-08-19 2:53 ` Vivek Goyal 2011-08-19 2:53 ` Vivek Goyal 2011-08-19 3:25 ` Wu Fengguang 2011-08-19 3:25 ` Wu Fengguang 2011-08-16 2:20 ` [PATCH 3/5] writeback: dirty rate control Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 2:20 ` [PATCH 4/5] writeback: per task dirty rate limit Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 7:17 ` Andrea Righi 2011-08-16 7:17 ` Andrea Righi 2011-08-16 7:22 ` Wu Fengguang 2011-08-16 7:22 ` Wu Fengguang 2011-08-16 2:20 ` [PATCH 5/5] writeback: IO-less balance_dirty_pages() Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-16 2:20 ` Wu Fengguang 2011-08-19 2:06 ` Vivek Goyal 2011-08-19 2:06 ` Vivek Goyal 2011-08-19 2:54 ` Wu Fengguang 2011-08-19 2:54 ` Wu Fengguang 2011-08-19 19:00 ` Vivek Goyal 2011-08-19 19:00 ` Vivek Goyal 2011-08-21 3:46 ` Wu Fengguang 2011-08-21 3:46 ` Wu Fengguang 2011-08-22 17:22 ` Vivek Goyal 2011-08-22 17:22 ` Vivek Goyal 2011-08-23 1:07 ` Wu Fengguang 2011-08-23 1:07 ` Wu Fengguang 2011-08-23 3:53 ` Wu Fengguang 2011-08-23 3:53 ` Wu Fengguang 2011-08-23 13:53 ` Vivek Goyal 2011-08-23 13:53 ` Vivek Goyal 2011-08-24 3:09 ` Wu Fengguang 2011-08-24 3:09 ` Wu Fengguang -- strict thread matches above, loose matches on Subject: below -- 2011-08-06 8:44 [PATCH 0/5] IO-less dirty throttling v8 Wu Fengguang 2011-08-06 8:44 ` [PATCH 1/5] writeback: account per-bdi accumulated dirtied pages Wu Fengguang 2011-08-06 8:44 ` Wu Fengguang 2011-08-06 8:44 ` Wu Fengguang
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