blob: 9cd36d372099aa497b0b43abc866ebbe23ca646e [file] [log] [blame]
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "rtc_base/memory_usage.h"
#if defined(WEBRTC_LINUX)
#include <unistd.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#elif defined(WEBRTC_MAC)
#include <mach/mach.h>
#elif defined(WEBRTC_WIN)
// clang-format off
// clang formating would change include order.
#include <windows.h>
#include <psapi.h> // must come after windows.h
// clang-format on
#include "rtc_base/logging.h"
namespace rtc {
int64_t GetProcessResidentSizeBytes() {
#if defined(WEBRTC_LINUX)
FILE* file = fopen("/proc/self/statm", "r");
if (file == nullptr) {
RTC_LOG(LS_ERROR) << "Failed to open /proc/self/statm";
return -1;
int result = -1;
if (fscanf(file, "%*s%d", &result) != 1) {
RTC_LOG(LS_ERROR) << "Failed to parse /proc/self/statm";
return -1;
return static_cast<int64_t>(result) * sysconf(_SC_PAGESIZE);
#elif defined(WEBRTC_MAC)
task_basic_info_64 info;
mach_msg_type_number_t info_count = TASK_BASIC_INFO_64_COUNT;
if (task_info(mach_task_self(), TASK_BASIC_INFO_64,
&info_count) != KERN_SUCCESS) {
RTC_LOG_ERR(LS_ERROR) << "task_info() failed";
return -1;
return info.resident_size;
#elif defined(WEBRTC_WIN)
if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)) == 0) {
RTC_LOG_ERR(LS_ERROR) << "GetProcessMemoryInfo() failed";
return -1;
return pmc.WorkingSetSize;
#elif defined(WEBRTC_FUCHSIA)
RTC_LOG_ERR(LS_ERROR) << "GetProcessResidentSizeBytes() not implemented";
return 0;
// Not implemented yet.
"GetProcessVirtualMemoryUsageBytes() platform support not yet "
} // namespace rtc