Mercurial > hg > graal-jvmci-8
diff src/share/vm/prims/jvmtiEnv.cpp @ 10152:c115fac239eb
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
Summary: Re-use InstanceKlass::_init_lock locking ConstantPool as well.
Reviewed-by: dholmes, coleenp, acorn
author | iklam |
---|---|
date | Thu, 25 Apr 2013 12:55:49 -0700 |
parents | 8b46b0196eb0 |
children | 836a62f43af9 b8860472c377 |
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--- a/src/share/vm/prims/jvmtiEnv.cpp Thu Apr 25 03:58:53 2013 -0700 +++ b/src/share/vm/prims/jvmtiEnv.cpp Thu Apr 25 12:55:49 2013 -0700 @@ -259,7 +259,8 @@ // bytes to the InstanceKlass here because they have not been // validated and we're not at a safepoint. constantPoolHandle constants(current_thread, ikh->constants()); - MonitorLockerEx ml(constants->lock()); // lock constant pool while we query it + oop cplock = constants->lock(); + ObjectLocker ol(cplock, current_thread, cplock != NULL); // lock constant pool while we query it JvmtiClassFileReconstituter reconstituter(ikh); if (reconstituter.get_error() != JVMTI_ERROR_NONE) { @@ -2417,7 +2418,8 @@ instanceKlassHandle ikh(thread, k_oop); constantPoolHandle constants(thread, ikh->constants()); - MonitorLockerEx ml(constants->lock()); // lock constant pool while we query it + oop cplock = constants->lock(); + ObjectLocker ol(cplock, thread, cplock != NULL); // lock constant pool while we query it JvmtiConstantPoolReconstituter reconstituter(ikh); if (reconstituter.get_error() != JVMTI_ERROR_NONE) {