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 | /* |
duke@435 | 2 | * Copyright 1997-2005 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 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_privilegedStack.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | |
duke@435 | 29 | void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) { |
duke@435 | 30 | methodOop method = vfst->method(); |
duke@435 | 31 | _klass = method->method_holder(); |
duke@435 | 32 | _privileged_context = context; |
duke@435 | 33 | #ifdef CHECK_UNHANDLED_OOPS |
duke@435 | 34 | THREAD->allow_unhandled_oop(&_klass); |
duke@435 | 35 | THREAD->allow_unhandled_oop(&_privileged_context); |
duke@435 | 36 | #endif // CHECK_UNHANDLED_OOPS |
duke@435 | 37 | _frame_id = vfst->frame_id(); |
duke@435 | 38 | _next = next; |
duke@435 | 39 | assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop"); |
duke@435 | 40 | assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop"); |
duke@435 | 41 | } |
duke@435 | 42 | |
duke@435 | 43 | void PrivilegedElement::oops_do(OopClosure* f) { |
duke@435 | 44 | PrivilegedElement *cur = this; |
duke@435 | 45 | do { |
duke@435 | 46 | f->do_oop((oop*) &cur->_klass); |
duke@435 | 47 | f->do_oop((oop*) &cur->_privileged_context); |
duke@435 | 48 | cur = cur->_next; |
duke@435 | 49 | } while(cur != NULL); |
duke@435 | 50 | } |
duke@435 | 51 | |
duke@435 | 52 | //------------------------------------------------------------------------------- |
duke@435 | 53 | #ifndef PRODUCT |
duke@435 | 54 | |
duke@435 | 55 | void PrivilegedElement::print_on(outputStream* st) const { |
duke@435 | 56 | st->print(" 0x%lx ", _frame_id); |
duke@435 | 57 | _klass->print_value_on(st); |
duke@435 | 58 | if (protection_domain() != NULL) { |
duke@435 | 59 | st->print(" "); |
duke@435 | 60 | protection_domain()->print_value_on(st); |
duke@435 | 61 | } |
duke@435 | 62 | st->cr(); |
duke@435 | 63 | } |
duke@435 | 64 | |
duke@435 | 65 | bool PrivilegedElement::contains(address addr) { |
duke@435 | 66 | PrivilegedElement *e = (PrivilegedElement *)addr; |
duke@435 | 67 | if (e >= this && e < this+1) return true; |
duke@435 | 68 | |
duke@435 | 69 | if (_next != NULL) { |
duke@435 | 70 | return _next->contains(addr); |
duke@435 | 71 | } else { |
duke@435 | 72 | return false; |
duke@435 | 73 | } |
duke@435 | 74 | } |
duke@435 | 75 | |
duke@435 | 76 | #endif |