Re: [PATCH 9/9] writeback: trace global_dirty_state

Wu Fengguang
2011-07-01T15:45:14Z

On Fri, Jul 01, 2011 at 11:18:01PM +0800, Christoph Hellwig wrote:
> 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.

Yeah it was.. since then it's expanded with the global dirty limit
field, which is newly introduced in [PATCH 6/9].

I'll move it before the larger-chunk-size patch :)

Thanks,
Fengguang