1 /*
2  * Copyright (c) 2023-2024 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 #ifndef OHOS_HIVIEWDFX_UCOLLECTUTIL_COMMON_UTIL_H
16 #define OHOS_HIVIEWDFX_UCOLLECTUTIL_COMMON_UTIL_H
17 
18 #include <cinttypes>
19 #include <string>
20 
21 namespace OHOS {
22 namespace HiviewDFX {
23 namespace UCollectUtil {
24 const std::string PROC = "/proc/";
25 const std::string IO = "/io";
26 const std::string SMAPS_ROLLUP = "/smaps_rollup";
27 const std::string STATM = "/statm";
28 const std::string MEM_INFO = "/proc/meminfo";
29 const std::string GPU_CUR_FREQ = "/sys/class/devfreq/gpufreq/cur_freq";
30 const std::string GPU_MAX_FREQ = "/sys/class/devfreq/gpufreq/max_freq";
31 const std::string GPU_MIN_FREQ = "/sys/class/devfreq/gpufreq/min_freq";
32 const std::string GPU_LOAD = "/sys/class/devfreq/gpufreq/gpu_scene_aware/utilisation";
33 const std::string MEMINFO_SAVE_DIR = "/data/log/hiview/unified_collection/memory";
34 const static int VSS_BIT = 4;
35 
36 class CommonUtil {
37 private:
38     CommonUtil() = default;
39     ~CommonUtil() = default;
40 
41 public:
42     template <typename T>
43     static bool StrToNum(const std::string& sString, T &tX);
44     static bool ParseTypeAndValue(const std::string &str, std::string &type, int32_t &value);
45     static void GetDirRegexFiles(const std::string& path, const std::string& pattern, std::vector<std::string>& files);
46     static int GetFileNameNum(const std::string& fileName, const std::string& ext);
47     static std::string CreateExportFile(const std::string& path, int32_t maxFileNum, const std::string& prefix,
48         const std::string& ext);
49 }; // CommonUtil
50 } // UCollectUtil
51 } // HiviewDFX
52 } // OHOS
53 #endif // OHOS_HIVIEWDFX_UCOLLECTUTIL_COMMON_UTIL_H
54