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
bootchartEarlyHook(const HOOK_INFO * info,void * cookie)19 static 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
MODULE_CONSTRUCTOR(void)34 MODULE_CONSTRUCTOR(void)
35 {
36 // Depends on parameter service
37 InitAddPostPersistParamLoadHook(0, bootchartEarlyHook);
38 }
39