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7066339: Tiered: policy should make consistent decisions about osr levels

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Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.

Reviewed-by: kvn, never
This commit is contained in:
Igor Veresov 2011-07-20 18:04:17 -07:00
parent 8acdd5ce55
commit aa89b8c08d
9 changed files with 101 additions and 110 deletions
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3
hotspot/src/share/vm/runtime/compilationPolicy.hpp
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@ -59,6 +59,8 @@ public:
// Profiling
elapsedTimer* accumulated_time() { return &_accumulated_time; }
void print_time() PRODUCT_RETURN;
// Return initial compile level that is used with Xcomp
virtual CompLevel initial_compile_level() = 0;
virtual int compiler_count(CompLevel comp_level) = 0;
// main notification entry, return a pointer to an nmethod if the OSR is required,
// returns NULL otherwise.
@ -94,6 +96,7 @@ protected:
void reset_counter_for_back_branch_event(methodHandle method);
public:
NonTieredCompPolicy() : _compiler_count(0) { }
virtual CompLevel initial_compile_level() { return CompLevel_initial_compile; }
virtual int compiler_count(CompLevel comp_level);
virtual void do_safepoint_work();
virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);