1 // Copyright 2021 Google LLC
2 //
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 #pragma once
16 
17 #include <string>
18 #include <string_view>
19 
20 namespace metric_blob
21 {
22 
23 struct TcommUtimeStime
24 {
25     std::string tcomm;
26     float utime;
27     float stime;
28 };
29 
30 TcommUtimeStime parseTcommUtimeStimeString(std::string_view content,
31                                            long ticksPerSec);
32 std::string readFileIntoString(std::string_view fileName);
33 bool isNumericPath(std::string_view path, int& value);
34 TcommUtimeStime getTcommUtimeStime(int pid, long ticksPerSec);
35 std::string getCmdLine(int pid);
36 bool parseMeminfoValue(std::string_view content, std::string_view keyword,
37                        int& value);
38 bool parseProcUptime(const std::string_view content, double& uptime,
39                      double& idleProcessTime);
40 long getTicksPerSec();
41 char controlCharsToSpace(char c);
42 std::string trimStringRight(std::string_view s);
43 
44 } // namespace metric_blob
45