HotspotProfilingInfo for xxx-morphic inlining

[Deneau, Tom]

Doug --

Not sure if I am reading ProfilingInfoTest correctly but it seems to only execute methods 10 times?
    private static final int N = 10;

Anyway, in my case bumping up to 10000 did get us past the no profiling info point.

-- Tom


> -----Original Message-----
> From: Doug Simon [mailto:doug.simon at oracle.com]
> Sent: Monday, May 12, 2014 3:32 PM
> To: Deneau, Tom
> Cc: graal-dev at openjdk.java.net
> Subject: Re: HotspotProfilingInfo for xxx-morphic inlining
> 
> 
> On May 12, 2014, at 9:35 PM, Deneau, Tom <tom.deneau at amd.com> wrote:
> 
> > I am interested in getting HotspotProfilingInfo for a method that we
> will be compiling in the HSAIL backend.
> > (after running the method on the cpu first to get profiling info)
> 
> You have to ensure the method has been run enough for the interpreter to
> create a profile for a method. Usually, executing it about 10000 times
> is a sure thing. For more info, see ProfilingInfoTest.
> 
> > When I get to HotSpotResolvedJavaMethod.getProfilingInfo, the
> metaspaceMethodData is always 0 and methodData is always null, so we get
> DefaultProfilingInfo instead.
> >
> > I am using
> >    -XX:TypeProfileWidth=3 -
> G:MegamorphicInliningMinMethodProbability=0.001
> >
> > and my OptimisticOptimizations include UseTypedCheckInlining and
> UseTypeCheckHints.
> >
> > Is there some hotspot or graal option I am missing?
> 
> -Doug