archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-18 18:14:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8244540: Print more information with -XX:+PrintSharedArchiveAndExit

Browse source 
Reviewed-by: iklam, ccheung
This commit is contained in:
Yumin Qi 2021-03-31 03:10:38 +00:00
parent e073486ffe
commit 928fa5b5f9
8 changed files with 294 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/hotspot/share/classfile/systemDictionaryShared.cpp
View file

@ -2224,6 +2224,24 @@ void SystemDictionaryShared::update_shared_entry(InstanceKlass* k, int id) {
info->_id = id;
}
const char* class_loader_name_for_shared(Klass* k) {
assert(k != nullptr, "Sanity");
assert(k->is_shared(), "Must be");
assert(k->is_instance_klass(), "Must be");
InstanceKlass* ik = InstanceKlass::cast(k);
if (ik->is_shared_boot_class()) {
return "boot_loader";
} else if (ik->is_shared_platform_class()) {
return "platform_loader";
} else if (ik->is_shared_app_class()) {
return "app_loader";
} else if (ik->is_shared_unregistered_class()) {
return "unregistered_loader";
} else {
return "unknown loader";
}
}
class SharedDictionaryPrinter : StackObj {
outputStream* _st;
int _index;
@ -2232,23 +2250,25 @@ public:
void do_value(const RunTimeSharedClassInfo* record) {
ResourceMark rm;
_st->print_cr("%4d: %s", (_index++), record->_klass->external_name());
_st->print_cr("%4d: %s %s", (_index++), record->_klass->external_name(),
class_loader_name_for_shared(record->_klass));
}
int index() const { return _index; }
};
class SharedLambdaDictionaryPrinter : StackObj {
outputStream* _st;
int _index;
public:
SharedLambdaDictionaryPrinter(outputStream* st) : _st(st), _index(0) {}
SharedLambdaDictionaryPrinter(outputStream* st, int idx) : _st(st), _index(idx) {}
void do_value(const RunTimeLambdaProxyClassInfo* record) {
if (record->proxy_klass_head()->lambda_proxy_is_available()) {
ResourceMark rm;
_st->print_cr("%4d: %s", (_index++), record->proxy_klass_head()->external_name());
Klass* k = record->proxy_klass_head()->next_link();
while (k != NULL) {
_st->print_cr("%4d: %s", (_index++), k->external_name());
Klass* k = record->proxy_klass_head();
while (k != nullptr) {
_st->print_cr("%4d: %s %s", (++_index), k->external_name(),
class_loader_name_for_shared(k));
k = k->next_link();
}
}
@ -2262,15 +2282,30 @@ void SystemDictionaryShared::print_on(const char* prefix,
outputStream* st) {
st->print_cr("%sShared Dictionary", prefix);
SharedDictionaryPrinter p(st);
st->print_cr("%sShared Builtin Dictionary", prefix);
builtin_dictionary->iterate(&p);
st->print_cr("%sShared Unregistered Dictionary", prefix);
unregistered_dictionary->iterate(&p);
if (!lambda_dictionary->empty()) {
st->print_cr("%sShared Lambda Dictionary", prefix);
SharedLambdaDictionaryPrinter ldp(st);
SharedLambdaDictionaryPrinter ldp(st, p.index());
lambda_dictionary->iterate(&ldp);
}
}
void SystemDictionaryShared::print_shared_archive(outputStream* st, bool is_static) {
if (UseSharedSpaces) {
if (is_static) {
print_on("", &_builtin_dictionary, &_unregistered_dictionary, &_lambda_proxy_class_dictionary, st);
} else {
if (DynamicArchive::is_mapped()) {
print_on("", &_dynamic_builtin_dictionary, &_dynamic_unregistered_dictionary,
&_dynamic_lambda_proxy_class_dictionary, st);
}
}
}
}
void SystemDictionaryShared::print_on(outputStream* st) {
if (UseSharedSpaces) {
print_on("", &_builtin_dictionary, &_unregistered_dictionary, &_lambda_proxy_class_dictionary, st);