RFR: 8300926: Several startup regressions ~6-70% in 21-b6 all platforms [v2]

[Robbin Ehn]

On Fri, 17 Feb 2023 21:01:47 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> Robbin Ehn has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review fixes
>
> src/hotspot/share/code/codeCache.hpp line 316:
> 
>> 314: 
>> 315:   // RedefineClasses support
>> 316:   // Flushing and deoptimization in case of evolution
> 
> nit typo: s/Flushing/Marking/

Fixed with additional name changes, thanks.

> src/hotspot/share/oops/instanceKlass.cpp line 1184:
> 
>> 1182:     DeoptimizationScope deopt_scope;
>> 1183:     {
>> 1184:       // Now flush all code that assume the class is not linked.
> 
> nit typo: s/assume/assumes/

Fixed, thanks!

> src/hotspot/share/prims/methodHandles.cpp line 1222:
> 
>> 1220:     MethodHandles::mark_dependent_nmethods(&deopt_scope, call_site, target);
>> 1221:     java_lang_invoke_CallSite::set_target(call_site(), target());
>> 1222:     // This assumed to be an 'atomic' operation by verification.
> 
> nit typo: s/This assumed/This is assumed/

Fixed, thanks!

-------------

PR: https://git.openjdk.org/jdk/pull/12585