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8024943: ciReplay: fails to dump replay data during safepointing

Browse source 
Reviewed-by: kvn, twisti
This commit is contained in:
Vladimir Ivanov 2013-10-07 14:11:49 +04:00
parent 9cb5f396ae
commit 9edb09d8fb
6 changed files with 15 additions and 7 deletions
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16
hotspot/src/share/vm/ci/ciEnv.cpp
View file

@ -1154,9 +1154,12 @@ ciInstance* ciEnv::unloaded_ciinstance() {
GUARDED_VM_ENTRY(return _factory->get_unloaded_object_constant();)
}
void ciEnv::dump_replay_data(outputStream* out) {
VM_ENTRY_MARK;
MutexLocker ml(Compile_lock);
// ------------------------------------------------------------------
// ciEnv::dump_replay_data*
// Don't change thread state and acquire any locks.
// Safe to call from VM error reporter.
void ciEnv::dump_replay_data_unsafe(outputStream* out) {
ResourceMark rm;
#if INCLUDE_JVMTI
out->print_cr("JvmtiExport can_access_local_variables %d", _jvmti_can_access_local_variables);
@ -1181,3 +1184,10 @@ void ciEnv::dump_replay_data(outputStream* out) {
entry_bci, comp_level);
out->flush();
}
void ciEnv::dump_replay_data(outputStream* out) {
GUARDED_VM_ENTRY(
MutexLocker ml(Compile_lock);
dump_replay_data_unsafe(out);
)
}

1
hotspot/src/share/vm/ci/ciEnv.hpp
View file

@ -452,6 +452,7 @@ public:
// Dump the compilation replay data for the ciEnv to the stream.
void dump_replay_data(outputStream* out);
void dump_replay_data_unsafe(outputStream* out);
};
#endif // SHARE_VM_CI_CIENV_HPP

1
hotspot/src/share/vm/ci/ciInstanceKlass.cpp
View file

@ -671,7 +671,6 @@ class StaticFinalFieldPrinter : public FieldClosure {
void ciInstanceKlass::dump_replay_data(outputStream* out) {
ASSERT_IN_VM;
ResourceMark rm;
InstanceKlass* ik = get_instanceKlass();

1
hotspot/src/share/vm/ci/ciMethod.cpp
View file

@ -1247,7 +1247,6 @@ ciMethodBlocks *ciMethod::get_method_blocks() {
#undef FETCH_FLAG_FROM_VM
void ciMethod::dump_replay_data(outputStream* st) {
ASSERT_IN_VM;
ResourceMark rm;
Method* method = get_Method();
MethodCounters* mcs = method->method_counters();

1
hotspot/src/share/vm/ci/ciMethodData.cpp
View file

@ -373,7 +373,6 @@ void ciMethodData::print_impl(outputStream* st) {
}
void ciMethodData::dump_replay_data(outputStream* out) {
ASSERT_IN_VM;
ResourceMark rm;
MethodData* mdo = get_MethodData();
Method* method = mdo->method();

2
hotspot/src/share/vm/utilities/vmError.cpp
View file

@ -1050,7 +1050,7 @@ void VMError::report_and_die() {
FILE* replay_data_file = os::open(fd, "w");
if (replay_data_file != NULL) {
fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
env->dump_replay_data(&replay_data_stream);
env->dump_replay_data_unsafe(&replay_data_stream);
out.print_raw("#\n# Compiler replay data is saved as:\n# ");
out.print_raw_cr(buffer);
} else {