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8139551: Scalability problem with redefinition - multiple code cache walks

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Walk code cache and deoptimize once per redefinition.

Reviewed-by: sspitsyn, dlong
This commit is contained in:
Coleen Phillimore 2019-02-05 10:40:25 -05:00
parent fc31592f6e
commit 8f5e561d19
14 changed files with 244 additions and 74 deletions
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4
src/hotspot/share/code/nmethod.hpp
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@ -588,9 +588,9 @@ public:
bool check_dependency_on(DepChange& changes);
// Evolution support. Tells if this compiled method is dependent on any of
// methods m() of class dependee, such that if m() in dependee is replaced,
// redefined methods, such that if m() is replaced,
// this compiled method will have to be deoptimized.
bool is_evol_dependent_on(Klass* dependee);
bool is_evol_dependent();
// Fast breakpoint support. Tells if this compiled method is
// dependent on the given method. Returns true if this nmethod