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8015774: Add support for multiple code heaps

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Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.

Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla
This commit is contained in:
Tobias Hartmann 2014-09-17 08:00:07 +02:00
parent b2620f89c3
commit cd01de591a
51 changed files with 1756 additions and 680 deletions
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19
hotspot/src/share/vm/compiler/compileBroker.cpp
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@ -1747,9 +1747,11 @@ void CompileBroker::compiler_thread_loop() {
// We need this HandleMark to avoid leaking VM handles.
HandleMark hm(thread);
if (CodeCache::unallocated_capacity() < CodeCacheMinimumFreeSpace) {
// the code cache is really full
handle_full_code_cache();
// Check if the CodeCache is full
int code_blob_type = 0;
if (CodeCache::is_full(&code_blob_type)) {
// The CodeHeap for code_blob_type is really full
handle_full_code_cache(code_blob_type);
}
CompileTask* task = queue->get();
@ -2079,7 +2081,7 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
* The CodeCache is full. Print out warning and disable compilation
* or try code cache cleaning so compilation can continue later.
*/
void CompileBroker::handle_full_code_cache() {
void CompileBroker::handle_full_code_cache(int code_blob_type) {
UseInterpreter = true;
if (UseCompiler || AlwaysCompileLoopMethods ) {
if (xtty != NULL) {
@ -2096,8 +2098,6 @@ void CompileBroker::handle_full_code_cache() {
xtty->end_elem();
}
CodeCache::report_codemem_full();
#ifndef PRODUCT
if (CompileTheWorld || ExitOnFullCodeCache) {
codecache_print(/* detailed= */ true);
@ -2119,12 +2119,7 @@ void CompileBroker::handle_full_code_cache() {
disable_compilation_forever();
}
// Print warning only once
if (should_print_compiler_warning()) {
warning("CodeCache is full. Compiler has been disabled.");
warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize=");
codecache_print(/* detailed= */ true);
}
CodeCache::report_codemem_full(code_blob_type, should_print_compiler_warning());
}
}