Fri, 10 Jul 2009 11:10:00 -0700
6857194: Add hotspot perf counters to aid class loading performance measurement
Summary: Add new jvmstat counters to measure detailed class loading time
Reviewed-by: acorn, kamg
duke@435 | 1 | /* |
xdono@905 | 2 | * Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
poonam@900 | 25 | extern "C" { |
poonam@900 | 26 | // Report a JNI failure caught by -Xcheck:jni. Perform a core dump. |
poonam@900 | 27 | // Note: two variations -- one to be called when in VM state (e.g. when |
poonam@900 | 28 | // within IN_VM macro), one to be called when in NATIVE state. |
poonam@900 | 29 | |
poonam@900 | 30 | // When in VM state: |
poonam@900 | 31 | static void ReportJNIFatalError(JavaThread* thr, const char *msg) { |
poonam@900 | 32 | tty->print_cr("FATAL ERROR in native method: %s", msg); |
poonam@900 | 33 | thr->print_stack(); |
poonam@900 | 34 | os::abort(true); |
poonam@900 | 35 | } |
poonam@900 | 36 | } |
poonam@900 | 37 | |
duke@435 | 38 | // |
duke@435 | 39 | // Checked JNI routines that are useful for outside of checked JNI |
duke@435 | 40 | // |
duke@435 | 41 | |
duke@435 | 42 | class jniCheck : public AllStatic { |
duke@435 | 43 | public: |
duke@435 | 44 | static oop validate_handle(JavaThread* thr, jobject obj); |
duke@435 | 45 | static oop validate_object(JavaThread* thr, jobject obj); |
duke@435 | 46 | static klassOop validate_class(JavaThread* thr, jclass clazz, bool allow_primitive = false); |
duke@435 | 47 | static void validate_class_descriptor(JavaThread* thr, const char* name); |
duke@435 | 48 | static void validate_throwable_klass(JavaThread* thr, klassOop klass); |
duke@435 | 49 | static void validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id); |
duke@435 | 50 | static void validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id); |
duke@435 | 51 | static methodOop validate_jmethod_id(JavaThread* thr, jmethodID method_id); |
duke@435 | 52 | }; |