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https://github.com/bytecodealliance/wasm-micro-runtime.git
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504268b297
* Implement memory profiler, optimize memory usage, modify code indent * Implement memory.grow and limit heap space base offset to 1G; modify iwasm build type to Release and 64 bit by default
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _BH_MEMORY_H
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#define _BH_MEMORY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BH_KB (1024)
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#define BH_MB ((BH_KB)*1024)
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#define BH_GB ((BH_MB)*1024)
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/**
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* Initialize memory allocator with a pool, the bh_malloc/bh_free function
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* will malloc/free memory from the pool
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*
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* @param mem the pool buffer
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* @param bytes the size bytes of the buffer
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*
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* @return 0 if success, -1 otherwise
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*/
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int bh_memory_init_with_pool(void *mem, unsigned int bytes);
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/**
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* Initialize memory allocator with memory allocator, the bh_malloc/bh_free
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* function will malloc/free memory with the allocator passed
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*
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* @param malloc_func the malloc function
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* @param free_func the free function
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*
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* @return 0 if success, -1 otherwise
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*/
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int bh_memory_init_with_allocator(void *malloc_func, void *free_func);
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/**
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* Destroy memory
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*/
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void bh_memory_destroy();
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/**
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* Get the pool size of memory, if memory is initialized with allocator,
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* return 1GB by default.
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*/
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int bh_memory_pool_size();
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#if BEIHAI_ENABLE_MEMORY_PROFILING == 0
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/**
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* This function allocates a memory chunk from system
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*
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* @param size bytes need allocate
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*
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* @return the pointer to memory allocated
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*/
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void* bh_malloc(unsigned int size);
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/**
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* This function frees memory chunk
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*
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* @param ptr the pointer to memory need free
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*/
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void bh_free(void *ptr);
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#else
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void* bh_malloc_profile(const char *file, int line, const char *func, unsigned int size);
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void bh_free_profile(const char *file, int line, const char *func, void *ptr);
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#define bh_malloc(size) bh_malloc_profile(__FILE__, __LINE__, __func__, size)
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#define bh_free(ptr) bh_free_profile(__FILE__, __LINE__, __func__, ptr)
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/**
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* Print current memory profiling data
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*
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* @param file file name of the caller
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* @param line line of the file of the caller
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* @param func function name of the caller
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*/
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void memory_profile_print(const char *file, int line, const char *func, int alloc);
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/**
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* Summarize memory usage and print it out
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* Can use awk to analyze the output like below:
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* awk -F: '{print $2,$4,$6,$8,$9}' OFS="\t" ./out.txt | sort -n -r -k 1
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*/
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void memory_usage_summarize();
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _BH_MEMORY_H */
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