jdk8-mips64-public/hotspot: src/share/vm/memory/resourceArea.cpp@940519c00887

8187685: NMT: Tracking compiler memory usage of thread's resource area
Summary: Bias compiler thread's resource area to mtCompiler
Reviewed-by: kvn, coleenp

     1 /*

     2  * Copyright (c) 1997, 2017, 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 "memory/allocation.inline.hpp"

    27 #include "memory/resourceArea.hpp"

    28 #include "runtime/mutexLocker.hpp"

    29 #include "runtime/thread.inline.hpp"

    30 #include "services/memTracker.hpp"

    32 void ResourceArea::bias_to(MEMFLAGS new_flags) {

    33   if (new_flags != _flags) {

    34     MemTracker::record_arena_free(_flags);

    35     MemTracker::record_new_arena(new_flags);

    36     _flags = new_flags;

    37   }

    38 }

    40 //------------------------------ResourceMark-----------------------------------

    41 debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings

    43 // The following routines are declared in allocation.hpp and used everywhere:

    45 // Allocation in thread-local resource area

    46 extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {

    47   return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);

    48 }

    49 extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {

    50   return thread->resource_area()->allocate_bytes(size, alloc_failmode);

    51 }

    53 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){

    54   return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);

    55 }

    57 extern void resource_free_bytes( char *old, size_t size ) {

    58   Thread::current()->resource_area()->Afree(old, size);

    59 }

    61 #ifdef ASSERT

    62 ResourceMark::ResourceMark(Thread *thread) {

    63   assert(thread == Thread::current(), "not the current thread");

    64   initialize(thread);

    65 }

    67 DeoptResourceMark::DeoptResourceMark(Thread *thread) {

    68   assert(thread == Thread::current(), "not the current thread");

    69   initialize(thread);

    70 }

    71 #endif

    74 //-------------------------------------------------------------------------------

    75 // Non-product code

    76 #ifndef PRODUCT

    78 void ResourceMark::free_malloced_objects() {

    79   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);

    80 }

    82 void DeoptResourceMark::free_malloced_objects() {

    83   Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);

    84 }

    86 #endif

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

src/share/vm/memory/resourceArea.cpp@940519c00887

src/share/vm/memory/resourceArea.cpp