The HWPMC hooks are never invoked except when using the soft PMC feature for
performance monitoring. This trivial patch hints as much to the compiler, which
then moves some fairly lengthy code sequences out of the locking primitives (in
particular), reducing their runtime footprint.
This patch
Hm! Cool! I'll give this a spin tomorrow on my
frequently-very-lock-busy boxes and get back to you.
-a
On 23 December 2013 09:52, Rang, Anton anton.r...@isilon.com wrote:
The HWPMC hooks are never invoked except when using the soft PMC feature for
performance monitoring. This trivial patch
