1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 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#include <string.h> 16#include "init_module_engine.h" 17#include "plugin_adapter.h" 18 19static int bootchartEarlyHook(const HOOK_INFO *info, void *cookie) 20{ 21 char enable[4] = {}; // 4 enable size 22 uint32_t size = sizeof(enable); 23 SystemReadParam("persist.init.bootchart.enabled", enable, &size); 24 if (strcmp(enable, "1") != 0) { 25 PLUGIN_LOGI("bootchart disabled."); 26 return 0; 27 } 28 29 InitModuleMgrInstall("bootchart"); 30 PLUGIN_LOGI("bootchart enabled."); 31 return 0; 32} 33 34MODULE_CONSTRUCTOR(void) 35{ 36 // Depends on parameter service 37 InitAddPostPersistParamLoadHook(0, bootchartEarlyHook); 38} 39