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1 /* | |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/base/memory_usage.h" | |
12 | |
13 #if defined(WEBRTC_LINUX) | |
14 #include <unistd.h> | |
15 #include <cstdlib> | |
16 #include <cstdio> | |
17 #include <cstring> | |
18 #elif defined(WEBRTC_MAC) | |
19 #include <mach/mach.h> | |
20 #elif defined(WEBRTC_WIN) | |
21 #include <windows.h> | |
22 #include <psapi.h> | |
23 #endif | |
24 | |
25 #include "webrtc/base/logging.h" | |
26 | |
27 namespace rtc { | |
28 | |
29 int64_t GetProcessResidentSizeBytes() { | |
30 #if defined(WEBRTC_LINUX) | |
31 FILE* file = fopen("/proc/self/statm", "r"); | |
32 if (file == nullptr) { | |
33 LOG(LS_ERROR) << "Failed to open /proc/self/statm"; | |
34 return -1; | |
35 } | |
36 int result = -1; | |
37 if (fscanf(file, "%*s%d", &result) != 1) { | |
38 fclose(file); | |
39 LOG(LS_ERROR) << "Failed to parse /proc/self/statm"; | |
40 return -1; | |
41 } | |
42 fclose(file); | |
43 return static_cast<int64_t>(result) * sysconf(_SC_PAGESIZE); | |
44 #elif defined(WEBRTC_MAC) | |
45 task_basic_info_64 info; | |
46 mach_msg_type_number_t info_count = TASK_BASIC_INFO_64_COUNT; | |
47 if (task_info(mach_task_self(), TASK_BASIC_INFO_64, | |
48 reinterpret_cast<task_info_t>(&info), | |
49 &info_count) != KERN_SUCCESS) { | |
50 LOG_ERR(LS_ERROR) << "task_info() failed"; | |
51 return -1; | |
52 } | |
53 return info.resident_size; | |
54 #elif defined(WEBRTC_WIN) | |
55 PROCESS_MEMORY_COUNTERS pmc; | |
56 if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)) == 0) { | |
57 LOG_ERR(LS_ERROR) << "GetProcessMemoryInfo() failed"; | |
58 return -1; | |
59 } | |
60 return pmc.WorkingSetSize; | |
61 #else | |
62 // Not implemented yet. | |
63 static_assert(false, | |
64 "GetProcessVirtualMemoryUsageBytes() platform support not yet " | |
65 "implemented."); | |
66 #endif | |
67 } | |
68 | |
69 } // namespace rtc | |
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