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8006683: Add WhiteBox API to testing of compiler

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Reviewed-by: kvn, vlivanov
This commit is contained in:
Igor Ignatyev 2013-02-13 08:29:04 -08:00
parent 13c5c423d6
commit 034705ee13
10 changed files with 549 additions and 5 deletions
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108
hotspot/src/share/vm/prims/whitebox.cpp
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@ -48,6 +48,8 @@
#include "services/memTracker.hpp"
#endif // INCLUDE_NMT
#include "compiler/compileBroker.hpp"
bool WhiteBox::_used = false;
WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))
@ -169,6 +171,89 @@ WB_END
#endif // INCLUDE_NMT
static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) {
assert(method != NULL, "method should not be null");
ThreadToNativeFromVM ttn(thread);
return env->FromReflectedMethod(method);
}
WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o))
MutexLockerEx mu(Compile_lock);
CodeCache::mark_all_nmethods_for_deoptimization();
VM_Deoptimize op;
VMThread::execute(&op);
WB_END
WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
MutexLockerEx mu(Compile_lock);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
int result = 0;
nmethod* code = mh->code();
if (code != NULL) {
code->mark_for_deoptimization();
++result;
}
result += CodeCache::mark_for_deoptimization(mh());
if (result > 0) {
VM_Deoptimize op;
VMThread::execute(&op);
}
return result;
WB_END
WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
MutexLockerEx mu(Compile_lock);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
nmethod* code = mh->code();
if (code == NULL) {
return JNI_FALSE;
}
return (code->is_alive() && !code->is_marked_for_deoptimization());
WB_END
WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
MutexLockerEx mu(Compile_lock);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
return !mh->is_not_compilable();
WB_END
WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
MutexLockerEx mu(Compile_lock);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
return mh->queued_for_compilation();
WB_END
WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
nmethod* code = mh->code();
return (code != NULL ? code->comp_level() : CompLevel_none);
WB_END
WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
mh->set_not_compilable();
WB_END
WB_ENTRY(jboolean, WB_SetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
bool result = mh->dont_inline();
mh->set_dont_inline(value == JNI_TRUE);
return result;
WB_END
WB_ENTRY(jint, WB_GetCompileQueuesSize(JNIEnv* env, jobject o))
return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ +
CompileBroker::queue_size(CompLevel_full_profile) /* C1 */;
WB_END
//Some convenience methods to deal with objects from java
int WhiteBox::offset_for_field(const char* field_name, oop object,
Symbol* signature_symbol) {
@ -225,9 +310,9 @@ bool WhiteBox::lookup_bool(const char* field_name, oop object) {
static JNINativeMethod methods[] = {
{CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress },
{CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize },
{CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
{CC "parseCommandLine",
CC "(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
{CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
{CC"parseCommandLine",
CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
(void*) &WB_ParseCommandLine
},
#if INCLUDE_ALL_GCS
@ -241,6 +326,23 @@ static JNINativeMethod methods[] = {
{CC"NMTFreeTestMemory", CC"()Z", (void*)&WB_NMTFreeTestMemory },
{CC"NMTWaitForDataMerge",CC"()Z", (void*)&WB_NMTWaitForDataMerge},
#endif // INCLUDE_NMT
{CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll },
{CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Method;)I",
(void*)&WB_DeoptimizeMethod },
{CC"isMethodCompiled", CC"(Ljava/lang/reflect/Method;)Z",
(void*)&WB_IsMethodCompiled },
{CC"isMethodCompilable", CC"(Ljava/lang/reflect/Method;)Z",
(void*)&WB_IsMethodCompilable},
{CC"isMethodQueuedForCompilation",
CC"(Ljava/lang/reflect/Method;)Z", (void*)&WB_IsMethodQueuedForCompilation},
{CC"makeMethodNotCompilable",
CC"(Ljava/lang/reflect/Method;)V", (void*)&WB_MakeMethodNotCompilable},
{CC"setDontInlineMethod",
CC"(Ljava/lang/reflect/Method;Z)Z", (void*)&WB_SetDontInlineMethod},
{CC"getMethodCompilationLevel",
CC"(Ljava/lang/reflect/Method;)I", (void*)&WB_GetMethodCompilationLevel},
{CC"getCompileQueuesSize",
CC"()I", (void*)&WB_GetCompileQueuesSize},
};
#undef CC