RFR: Allocation latency tracing

[Aleksey Shipilev]

On 08/24/2017 04:38 PM, Roman Kennke wrote:
> I wonder if the tracing should be moved to the single place where we do
> allocations (allocate_memory() ) instead of scattering around to all the
> callers (mem_allocate(), allocate_new_tlab(), allocate_new_gclab() etc) ?

Oh yes, silly me:
 http://cr.openjdk.java.net/~shade/shenandoah/stats-alloc/webrev.03/


> In the long term (not this patch) all alloc-related code should be moved
> to a separate class, either ShenandoahAlloc or even just ShenandoahFreeSet.

Yup, having this tracing is the prerequisite for alloc-related code refactoring.

Thanks,
-Aleksey