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Date: Fri, 1 Jul 2011 11:18:01 -0400
From: Christoph Hellwig <hch@infradead.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: linux-fsdevel@vger.kernel.org, Jan Kara <jack@suse.cz>,
        Dave Chinner <david@fromorbit.com>,
        Christoph Hellwig <hch@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 9/9] writeback: trace global_dirty_state
Message-ID: <20110701151801.GA6661@infradead.org>
References: <20110629145245.835998321@intel.com>
 <20110629145554.698086654@intel.com>
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On Wed, Jun 29, 2011 at 10:52:54PM +0800, Wu Fengguang wrote:
> Add trace event balance_dirty_state for showing the global dirty page
> counts and thresholds at each global_dirty_limits() invocation.  This
> will cover the callers throttle_vm_writeout(), over_bground_thresh()
> and each balance_dirty_pages() loop.

Given that this is a rather uncontoversial diagnostics patch I'd
move it to the front of the queue.