1 /*
2 * Copyright (c) 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 #include "test_utilities.h"
16
17 #include <securec.h>
18 #include <cinttypes>
19 #include <cstdio>
20 #include <iostream>
21
22 namespace OHOS {
23 namespace Developtools {
24 namespace HiPerf {
CheckTestApp(const std::string & appName)25 bool CheckTestApp(const std::string& appName)
26 {
27 FILE *fp = nullptr;
28 char buf[128] = {0}; // 128: buf size
29 std::string cmd = "pidof " + appName;
30 if ((fp = popen(cmd.c_str(), "r")) != nullptr) {
31 if (fgets(buf, sizeof(buf), fp) == nullptr) {
32 pclose(fp);
33 return false;
34 }
35 pclose(fp);
36 }
37 return true;
38 }
39
GetMemMapOffset(pid_t devhostPid,uint64_t & mapOffset,std::vector<std::shared_ptr<OHOS::HiviewDFX::DfxMap>> & memMaps,std::string & line)40 bool GetMemMapOffset(pid_t devhostPid, uint64_t &mapOffset,
41 std::vector<std::shared_ptr<OHOS::HiviewDFX::DfxMap>> &memMaps, std::string &line)
42 {
43 pid_t pid = 0;
44 pid_t tid = 0;
45 uint64_t addr = 0;
46 uint64_t len = 0;
47 int ret = sscanf_s(line.c_str(), " %*s %d, tid %d, addr 0x%" PRIx64 ", len 0x%" PRIx64 "",
48 &pid, &tid, &addr, &len);
49 constexpr int numSlices {4};
50 if (ret != numSlices) {
51 printf("unknown line %d: '%s' \n", ret, line.c_str());
52 return false;
53 }
54 if (devhostPid != pid || devhostPid != tid) {
55 return false;
56 }
57 for (auto& map: memMaps) {
58 if (map->begin == addr && map->end - map->begin == len) {
59 mapOffset = map->offset;
60 return true;
61 }
62 }
63 return false;
64 }
65 } // namespace HiPerf
66 } // namespace Developtools
67 } // namespace OHOS