Fri, 07 Jan 2011 10:42:32 -0500
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
Summary: Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean.
Reviewed-by: coleenp, kvn, dholmes, ysr
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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25 #ifndef SHARE_VM_PRIMS_JNICHECK_HPP
26 #define SHARE_VM_PRIMS_JNICHECK_HPP
28 #ifndef KERNEL
29 #include "runtime/thread.hpp"
30 #endif
32 extern "C" {
33 // Report a JNI failure caught by -Xcheck:jni. Perform a core dump.
34 // Note: two variations -- one to be called when in VM state (e.g. when
35 // within IN_VM macro), one to be called when in NATIVE state.
37 // When in VM state:
38 static void ReportJNIFatalError(JavaThread* thr, const char *msg) {
39 tty->print_cr("FATAL ERROR in native method: %s", msg);
40 thr->print_stack();
41 os::abort(true);
42 }
43 }
45 //
46 // Checked JNI routines that are useful for outside of checked JNI
47 //
49 class jniCheck : public AllStatic {
50 public:
51 static oop validate_handle(JavaThread* thr, jobject obj);
52 static oop validate_object(JavaThread* thr, jobject obj);
53 static klassOop validate_class(JavaThread* thr, jclass clazz, bool allow_primitive = false);
54 static void validate_class_descriptor(JavaThread* thr, const char* name);
55 static void validate_throwable_klass(JavaThread* thr, klassOop klass);
56 static void validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id);
57 static void validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id);
58 static methodOop validate_jmethod_id(JavaThread* thr, jmethodID method_id);
59 };
61 #endif // SHARE_VM_PRIMS_JNICHECK_HPP