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8010862: The Method counter fields used for profiling can be allocated lazily

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Allocate the method's profiling related metadata until they are needed.

Reviewed-by: coleenp, roland
This commit is contained in:
Jiangli Zhou 2013-04-09 17:17:41 -04:00
parent 0afa77628c
commit 56370657b9
34 changed files with 773 additions and 295 deletions
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24
hotspot/src/cpu/sparc/vm/cppInterpreter_sparc.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -404,14 +404,20 @@ address CppInterpreter::deopt_entry(TosState state, int length) {
// ??: invocation counter
//
void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) {
Label done;
const Register Rcounters = G3_scratch;
__ ld_ptr(STATE(_method), G5_method);
__ get_method_counters(G5_method, Rcounters, done);
// Update standard invocation counters
__ increment_invocation_counter(O0, G3_scratch);
if (ProfileInterpreter) { // %%% Merge this into MethodData*
__ ld_ptr(STATE(_method), G3_scratch);
Address interpreter_invocation_counter(G3_scratch, 0, in_bytes(Method::interpreter_invocation_counter_offset()));
__ ld(interpreter_invocation_counter, G3_scratch);
__ inc(G3_scratch);
__ st(G3_scratch, interpreter_invocation_counter);
__ increment_invocation_counter(Rcounters, O0, G4_scratch);
if (ProfileInterpreter) {
Address interpreter_invocation_counter(Rcounters, 0,
in_bytes(MethodCounters::interpreter_invocation_counter_offset()));
__ ld(interpreter_invocation_counter, G4_scratch);
__ inc(G4_scratch);
__ st(G4_scratch, interpreter_invocation_counter);
}
Address invocation_limit(G3_scratch, (address)&InvocationCounter::InterpreterInvocationLimit);
@ -420,7 +426,7 @@ void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile
__ cmp(O0, G3_scratch);
__ br(Assembler::greaterEqualUnsigned, false, Assembler::pn, *overflow);
__ delayed()->nop();
__ bind(done);
}
address InterpreterGenerator::generate_empty_entry(void) {