--- a/hotspot/src/share/vm/prims/whitebox.cpp Fri Apr 17 10:53:31 2015 +0200
+++ b/hotspot/src/share/vm/prims/whitebox.cpp Fri Apr 17 14:37:20 2015 -0700
@@ -89,6 +89,10 @@
return os::vm_page_size();
WB_END
+WB_ENTRY(jlong, WB_GetVMLargePageSize(JNIEnv* env, jobject o))
+ return os::large_page_size();
+WB_END
+
class WBIsKlassAliveClosure : public KlassClosure {
Symbol* _name;
bool _found;
@@ -819,46 +823,9 @@
mo.notify_all();
WB_END
-void WhiteBox::sweeper_thread_entry(JavaThread* thread, TRAPS) {
- guarantee(WhiteBoxAPI, "internal testing API :: WhiteBox has to be enabled");
- {
- MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
- NMethodSweeper::_should_sweep = true;
- }
- NMethodSweeper::possibly_sweep();
-}
-
-JavaThread* WhiteBox::create_sweeper_thread(TRAPS) {
- // create sweeper thread w/ custom entry -- one iteration instead of loop
- CodeCacheSweeperThread* sweeper_thread = new CodeCacheSweeperThread();
- sweeper_thread->set_entry_point(&WhiteBox::sweeper_thread_entry);
-
- // create j.l.Thread object and associate it w/ sweeper thread
- {
- // inherit deamon property from current thread
- bool is_daemon = java_lang_Thread::is_daemon(JavaThread::current()->threadObj());
-
- HandleMark hm(THREAD);
- Handle thread_group(THREAD, Universe::system_thread_group());
- const char* name = "WB Sweeper thread";
- sweeper_thread->allocate_threadObj(thread_group, name, is_daemon, THREAD);
- }
-
- {
- MutexLocker mu(Threads_lock, THREAD);
- Threads::add(sweeper_thread);
- }
- return sweeper_thread;
-}
-
-WB_ENTRY(jobject, WB_ForceNMethodSweep(JNIEnv* env, jobject o))
- JavaThread* sweeper_thread = WhiteBox::create_sweeper_thread(Thread::current());
- if (sweeper_thread == NULL) {
- return NULL;
- }
- jobject result = JNIHandles::make_local(env, sweeper_thread->threadObj());
- Thread::start(sweeper_thread);
- return result;
+WB_ENTRY(void, WB_ForceNMethodSweep(JNIEnv* env, jobject o))
+ // Force a code cache sweep and block until it finished
+ NMethodSweeper::force_sweep();
WB_END
WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString))
@@ -1296,19 +1263,20 @@
#define CC (char*)
static JNINativeMethod methods[] = {
- {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress },
- {CC"getObjectSize", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize },
- {CC"isObjectInOldGen", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen },
+ {CC"getObjectAddress0", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress },
+ {CC"getObjectSize0", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize },
+ {CC"isObjectInOldGen0", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen },
{CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize },
{CC"getVMPageSize", CC"()I", (void*)&WB_GetVMPageSize },
+ {CC"getVMLargePageSize", CC"()J", (void*)&WB_GetVMLargePageSize},
{CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
- {CC"parseCommandLine",
+ {CC"parseCommandLine0",
CC"(Ljava/lang/String;C[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
(void*) &WB_ParseCommandLine
},
- {CC"addToBootstrapClassLoaderSearch", CC"(Ljava/lang/String;)V",
+ {CC"addToBootstrapClassLoaderSearch0", CC"(Ljava/lang/String;)V",
(void*)&WB_AddToBootstrapClassLoaderSearch},
- {CC"addToSystemClassLoaderSearch", CC"(Ljava/lang/String;)V",
+ {CC"addToSystemClassLoaderSearch0", CC"(Ljava/lang/String;)V",
(void*)&WB_AddToSystemClassLoaderSearch},
{CC"getCompressedOopsMaxHeapSize", CC"()J",
(void*)&WB_GetCompressedOopsMaxHeapSize},
@@ -1318,7 +1286,7 @@
{CC"stressVirtualSpaceResize",CC"(JJJ)I", (void*)&WB_StressVirtualSpaceResize},
#if INCLUDE_ALL_GCS
{CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark},
- {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous },
+ {CC"g1IsHumongous0", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous },
{CC"g1NumMaxRegions", CC"()J", (void*)&WB_G1NumMaxRegions },
{CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions },
{CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize },
@@ -1339,29 +1307,29 @@
#endif // INCLUDE_NMT
{CC"deoptimizeFrames", CC"(Z)I", (void*)&WB_DeoptimizeFrames },
{CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll },
- {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;Z)I",
+ {CC"deoptimizeMethod0", CC"(Ljava/lang/reflect/Executable;Z)I",
(void*)&WB_DeoptimizeMethod },
- {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;Z)Z",
+ {CC"isMethodCompiled0", CC"(Ljava/lang/reflect/Executable;Z)Z",
(void*)&WB_IsMethodCompiled },
- {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z",
+ {CC"isMethodCompilable0", CC"(Ljava/lang/reflect/Executable;IZ)Z",
(void*)&WB_IsMethodCompilable},
- {CC"isMethodQueuedForCompilation",
+ {CC"isMethodQueuedForCompilation0",
CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation},
- {CC"makeMethodNotCompilable",
+ {CC"makeMethodNotCompilable0",
CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable},
- {CC"testSetDontInlineMethod",
+ {CC"testSetDontInlineMethod0",
CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetDontInlineMethod},
- {CC"getMethodCompilationLevel",
+ {CC"getMethodCompilationLevel0",
CC"(Ljava/lang/reflect/Executable;Z)I", (void*)&WB_GetMethodCompilationLevel},
- {CC"getMethodEntryBci",
+ {CC"getMethodEntryBci0",
CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodEntryBci},
{CC"getCompileQueueSize",
CC"(I)I", (void*)&WB_GetCompileQueueSize},
- {CC"testSetForceInlineMethod",
+ {CC"testSetForceInlineMethod0",
CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod},
- {CC"enqueueMethodForCompilation",
+ {CC"enqueueMethodForCompilation0",
CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation},
- {CC"clearMethodState",
+ {CC"clearMethodState0",
CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState},
{CC"lockCompilation", CC"()V", (void*)&WB_LockCompilation},
{CC"unlockCompilation", CC"()V", (void*)&WB_UnlockCompilation},
@@ -1400,9 +1368,9 @@
{CC"incMetaspaceCapacityUntilGC", CC"(J)J", (void*)&WB_IncMetaspaceCapacityUntilGC },
{CC"metaspaceCapacityUntilGC", CC"()J", (void*)&WB_MetaspaceCapacityUntilGC },
{CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures },
- {CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
+ {CC"getNMethod0", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
(void*)&WB_GetNMethod },
- {CC"forceNMethodSweep0", CC"()Ljava/lang/Thread;", (void*)&WB_ForceNMethodSweep },
+ {CC"forceNMethodSweep", CC"()V", (void*)&WB_ForceNMethodSweep },
{CC"allocateCodeBlob", CC"(II)J", (void*)&WB_AllocateCodeBlob },
{CC"freeCodeBlob", CC"(J)V", (void*)&WB_FreeCodeBlob },
{CC"getCodeHeapEntries", CC"(I)[Ljava/lang/Object;",(void*)&WB_GetCodeHeapEntries },
@@ -1412,7 +1380,7 @@
{CC"getThreadStackSize", CC"()J", (void*)&WB_GetThreadStackSize },
{CC"getThreadRemainingStackSize", CC"()J", (void*)&WB_GetThreadRemainingStackSize },
{CC"assertMatchingSafepointCalls", CC"(ZZ)V", (void*)&WB_AssertMatchingSafepointCalls },
- {CC"isMonitorInflated", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated },
+ {CC"isMonitorInflated0", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated },
{CC"forceSafepoint", CC"()V", (void*)&WB_ForceSafepoint },
{CC"getMethodBooleanOption",
CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)Ljava/lang/Boolean;",