Storing both "fasttime" and time in Ticks and Tickspan
kim.barrett at oracle.com
Tue Sep 4 01:11:28 UTC 2018
> On Sep 3, 2018, at 10:48 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> Hi Kim,
> On Tue, 2018-08-28 at 20:36 -0400, Kim Barrett wrote:
>>> On Aug 24, 2018, at 8:03 AM, Thomas Schatzl <thomas.schatzl at oracle.
>>> com> wrote:
>>> Hi all,
>> So I think the FastUnorderedElapsedCounterSource and everything
>> related to it should be removed. (I think this includes
>> cpu/x86/rdtsc_x86.[ch]pp and UseFastUnorderedTimeStamps.)
>> Removing a few milliseconds of sleeping during the initialization of
>> this feature is a nice little startup benefit.
> I agree with all that, but I would like to have an opinion from the
> JFR team too about this before doing this.
> The alternative I can see would be having GC specific Ticks/Tickspan
> which I would like to avoid for obvious reasons.
Or JFR-specific variants, and let everyone else do what we think is right.
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