Performance regression in BuiltinClassLoader?

[Eirik Bjørsnøs]

Alan,

Apologies for wasting everyone's time (my own included, although I learned
a lot!)

I found images/jdk, and with that there is no regression.

Back to square one :-)

Thanks,
Eirik.


On Mon, Jan 18, 2021 at 8:35 PM Eirik Bjørsnøs <eirbjo at gmail.com> wrote:

>
> Alan,
>
> I have been using "make images" all along. This
> produces build/macosx-x86_64-server-release/jdk/modules with unpacked
> modules.
>
> I'm a bit confused since "make help" seems to indicate that "make jdk"
> should create unpacked modules, while "make images" should perhaps not? Or
> did I misunderstand?
>
> Eirik.
>
>
>
> On Mon, Jan 18, 2021 at 8:31 PM Alan Bateman <Alan.Bateman at oracle.com>
> wrote:
>
>> On 18/01/2021 19:24, Eirik Bjørsnøs wrote:
>> > For good measure, I did a JFR recording which revealed that
>> > ExplodedModuleReader was doing file stat in 263 of 277 native method
>> > samples.
>> >
>> > Which lie explains all this, since the 15 I used was not shipped with
>> > exploded jmods..
>> >
>> > How do I build OpenJDK with packaged modules?
>> >
>> Have you done "make images"? You should see images/jdk in your build
>> output.
>>
>> -Alan
>>
>