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8058461: serviceability/dcmd/CodelistTest.java and serviceability/dcmd/CompilerQueueTest.java SIGSEGV

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Print only alive nmethods and add lock to print compile queue

Reviewed-by: kvn, anoll
This commit is contained in:
Nils Eliasson 2014-09-15 17:12:01 +02:00
parent c82c59cd8f
commit 2dcb0e33bb
2 changed files with 10 additions and 6 deletions
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14
hotspot/src/share/vm/compiler/compileBroker.cpp
View File

@ -783,18 +783,22 @@ CompileQueue* CompileBroker::compile_queue(int comp_level) {
void CompileBroker::print_compile_queues(outputStream* st) {
_c1_compile_queue->print(st);
_c2_compile_queue->print(st);
MutexLocker locker(MethodCompileQueue_lock);
if (_c1_compile_queue != NULL) {
_c1_compile_queue->print(st);
}
if (_c2_compile_queue != NULL) {
_c2_compile_queue->print(st);
}
}
void CompileQueue::print(outputStream* st) {
assert_locked_or_safepoint(lock());
assert(lock()->owned_by_self(), "must own lock");
st->print_cr("Contents of %s", name());
st->print_cr("----------------------------");
CompileTask* task = _first;
if (task == NULL) {
st->print_cr("Empty");;
st->print_cr("Empty");
} else {
while (task != NULL) {
task->print_compilation(st, NULL, true, true);

2
hotspot/src/share/vm/services/diagnosticCommand.hpp
View File

@ -427,7 +427,7 @@ public:
return "Compiler.codelist";
}
static const char* description() {
return "Print all compiled methods in code cache.";
return "Print all compiled methods in code cache that are alive";
}
static const char* impact() {
return "Medium";