jdk8-mips64-public/hotspot: src/share/vm/oops/compiledICHolder.cpp@82f9d3b7e317

8199406: Performance drop with Java JDK 1.8.0_162-b32
Summary: Improve the nmethod unloading times by optimizing the search for an itable stub in VtableStubs array
Reviewed-by: kvn, coleenp, tschatzl

     1 /*

     2  * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "oops/compiledICHolder.hpp"

    27 #include "oops/oop.inline2.hpp"

    29 volatile int CompiledICHolder::_live_count;

    30 volatile int CompiledICHolder::_live_not_claimed_count;

    33 // Printing

    35 void CompiledICHolder::print_on(outputStream* st) const {

    36   st->print("%s", internal_name());

    37   st->print(" - metadata: "); holder_metadata()->print_value_on(st); st->cr();

    38   st->print(" - klass:    "); holder_klass()->print_value_on(st); st->cr();

    39 }

    41 void CompiledICHolder::print_value_on(outputStream* st) const {

    42   st->print("%s", internal_name());

    43 }

    46 // Verification

    48 void CompiledICHolder::verify_on(outputStream* st) {

    49   guarantee(holder_metadata()->is_method() || holder_metadata()->is_klass(), "should be method or klass");

    50   guarantee(holder_klass()->is_klass(),   "should be klass");

    51 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/oops/compiledICHolder.cpp@82f9d3b7e317

src/share/vm/oops/compiledICHolder.cpp