[alsa-devel] [PATCH] ASoC: soc-cache: Add trace event for snd_soc_cache_sync()

[Mark Brown]

On Fri, Jan 21, 2011 at 02:35:48PM +0000, Dimitris Papastamos wrote:
> This patch makes it easier to see which of the register writes are part
> of the cache syncing functionality.

Might be more useful to have sync start and end events?  That way we can
not only see which writes are part of the sync but we can also see how
long the overall process takes, helping diagnose if our CPU side stuff
is too expensive.