stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8149789: SIGSEGV in CompileTask::print

Browse Source 
Print tasks from active compile threads requires safepoint

Reviewed-by: kvn
This commit is contained in:
Nils Eliasson 2016-02-25 10:44:19 +01:00
parent e09bb29c2d
commit 607365df56
4 changed files with 18 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hotspot/src/share/vm/compiler/compileBroker.cpp
View File

@ -469,7 +469,6 @@ CompileQueue* CompileBroker::compile_queue(int comp_level) {
void CompileBroker::print_compile_queues(outputStream* st) {
st->print_cr("Current compiles: ");
MutexLocker locker(MethodCompileQueue_lock);
MutexLocker locker2(Threads_lock);
char buf[2000];
int buflen = sizeof(buf);

4
hotspot/src/share/vm/runtime/vm_operations.cpp
View File

@ -485,6 +485,10 @@ void VM_Exit::wait_if_vm_exited() {
}
}
void VM_PrintCompileQueue::doit() {
CompileBroker::print_compile_queues(_out);
}
#if INCLUDE_SERVICES
void VM_PrintClassHierarchy::doit() {
KlassHierarchy::print_class_hierarchy(_out, _print_interfaces, _print_subclasses, _classname);

12
hotspot/src/share/vm/runtime/vm_operations.hpp
View File

@ -105,6 +105,7 @@
template(DumpHashtable) \
template(DumpTouchedMethods) \
template(MarkActiveNMethods) \
template(PrintCompileQueue) \
template(PrintClassHierarchy) \
class VM_Operation: public CHeapObj<mtInternal> {
@ -421,6 +422,17 @@ class VM_Exit: public VM_Operation {
void doit();
};
class VM_PrintCompileQueue: public VM_Operation {
private:
outputStream* _out;
public:
VM_PrintCompileQueue(outputStream* st) : _out(st) {}
VMOp_Type type() const { return VMOp_PrintCompileQueue; }
Mode evaluation_mode() const { return _safepoint; }
void doit();
};
#if INCLUDE_SERVICES
class VM_PrintClassHierarchy: public VM_Operation {
private:

3
hotspot/src/share/vm/services/diagnosticCommand.cpp
View File

@ -832,7 +832,8 @@ void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
}
void CompileQueueDCmd::execute(DCmdSource source, TRAPS) {
CompileBroker::print_compile_queues(output());
VM_PrintCompileQueue printCompileQueueOp(output());
VMThread::execute(&printCompileQueueOp);
}
void CodeListDCmd::execute(DCmdSource source, TRAPS) {