118ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris/* 218ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * Copyright (C) 2014 The Android Open Source Project 318ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * 418ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * Licensed under the Apache License, Version 2.0 (the "License"); 518ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * you may not use this file except in compliance with the License. 618ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * You may obtain a copy of the License at 718ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * 818ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * http://www.apache.org/licenses/LICENSE-2.0 918ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * 1018ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * Unless required by applicable law or agreed to in writing, software 1118ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * distributed under the License is distributed on an "AS IS" BASIS, 1218ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1318ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * See the License for the specific language governing permissions and 1418ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris * limitations under the License. 1518ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris */ 1618ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris 1718ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris#include "jemalloc/internal/jemalloc_internal.h" 1818ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris 19608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferrisextern unsigned narenas_auto; 20608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferrisextern malloc_mutex_t arenas_lock; 21608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferrisextern arena_t **arenas; 22608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris 23608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris// This is an implementation that uses the same arena access pattern found 24608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris// in the arena_stats_merge function from src/arena.c. 2518ff84135248f3566b938c836a02fa6138a281f6Christopher Ferrisstruct mallinfo je_mallinfo() { 2618ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris struct mallinfo mi; 2718ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris memset(&mi, 0, sizeof(mi)); 2818ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris 29608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_lock(&arenas_lock); 30608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris for (unsigned i = 0; i < narenas_auto; i++) { 31608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris if (arenas[i] != NULL) { 32608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_lock(&arenas[i]->lock); 33608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris mi.hblkhd += arenas[i]->stats.mapped; 34608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris mi.uordblks += arenas[i]->stats.allocated_large; 35608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris mi.uordblks += arenas[i]->stats.allocated_huge; 36608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_unlock(&arenas[i]->lock); 37608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris 38608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris for (unsigned j = 0; j < NBINS; j++) { 39608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris arena_bin_t* bin = &arenas[i]->bins[j]; 40608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris 41608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_lock(&bin->lock); 42608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris mi.uordblks += bin->stats.allocated; 43608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_unlock(&bin->lock); 44608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris } 45608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris } 4618ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris } 47608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris malloc_mutex_unlock(&arenas_lock); 48608a78fe3fa03130f60994151057ed1350d08b40Christopher Ferris mi.fordblks = mi.hblkhd - mi.uordblks; 490f804259d71591e76988474a8c9eabdf1590c6e1Christopher Ferris mi.usmblks = mi.hblkhd; 5018ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris return mi; 5118ff84135248f3566b938c836a02fa6138a281f6Christopher Ferris} 52