1/* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#include <iostream> 17#include <cstdlib> 18#include <cstring> 19#include <vector> 20#include "logging.h" 21 22#pragma clang optimize off 23 24namespace { 25const size_t MB_PER_BYTE = 0x100000; 26} 27 28int main(int agrc, char* agrv[]) 29{ 30 std::vector<char*> cache; 31 size_t size = 0; 32 char *buf = nullptr; 33 34 for (int i = 1; i < agrc; i++) { 35 size = atoi(agrv[i]); 36 if (size <= 0) { 37 PROFILER_LOG_INFO(LOG_CORE, "ready malloc size(%zu)Mb invalid", size); 38 continue; 39 } 40 buf = (char *)malloc(size * MB_PER_BYTE); 41 if (buf == nullptr) { 42 const int bufferSize = 256; 43 char buffer[bufferSize] = { 0 }; 44 strerror_r(errno, buffer, bufferSize); 45 PROFILER_LOG_ERROR(LOG_CORE, "malloc %zu fail, err(%s:%d)", size, buffer, errno); 46 continue; 47 } 48 cache.emplace(cache.begin() + i - 1, buf); 49 } 50 while (true) {}; 51 free(buf); 52 return 0; 53} 54 55#pragma clang optimize on 56