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8166317: InterpreterCodeSize should be computed

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Reviewed-by: kvn, coleenp
This commit is contained in:
Volker Simonis 2017-09-04 19:50:01 +02:00
parent 7030019135
commit a5d5806cb4
10 changed files with 88 additions and 31 deletions
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15
src/hotspot/share/code/codeCache.cpp
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@ -569,6 +569,21 @@ void CodeCache::free(CodeBlob* cb) {
assert(heap->blob_count() >= 0, "sanity check");
}
void CodeCache::free_unused_tail(CodeBlob* cb, size_t used) {
assert_locked_or_safepoint(CodeCache_lock);
guarantee(cb->is_buffer_blob() && strncmp("Interpreter", cb->name(), 11) == 0, "Only possible for interpreter!");
print_trace("free_unused_tail", cb);
// We also have to account for the extra space (i.e. header) used by the CodeBlob
// which provides the memory (see BufferBlob::create() in codeBlob.cpp).
used += CodeBlob::align_code_offset(cb->header_size());
// Get heap for given CodeBlob and deallocate its unused tail
get_code_heap(cb)->deallocate_tail(cb, used);
// Adjust the sizes of the CodeBlob
cb->adjust_size(used);
}
void CodeCache::commit(CodeBlob* cb) {
// this is called by nmethod::nmethod, which must already own CodeCache_lock
assert_locked_or_safepoint(CodeCache_lock);