diff options
Diffstat (limited to 'third_party/libwebrtc/rtc_base/memory_usage.cc')
-rw-r--r-- | third_party/libwebrtc/rtc_base/memory_usage.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/memory_usage.cc b/third_party/libwebrtc/rtc_base/memory_usage.cc new file mode 100644 index 0000000000..2d33d98eed --- /dev/null +++ b/third_party/libwebrtc/rtc_base/memory_usage.cc @@ -0,0 +1,85 @@ +/* + * 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> +#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 +#elif defined(WEBRTC_FUCHSIA) +#include <lib/zx/process.h> +#include <zircon/status.h> +#endif + +#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) { + fclose(file); + RTC_LOG(LS_ERROR) << "Failed to parse /proc/self/statm"; + return -1; + } + fclose(file); + 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, + reinterpret_cast<task_info_t>(&info), + &info_count) != KERN_SUCCESS) { + RTC_LOG_ERR(LS_ERROR) << "task_info() failed"; + return -1; + } + return info.resident_size; +#elif defined(WEBRTC_WIN) + PROCESS_MEMORY_COUNTERS pmc; + if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)) == 0) { + RTC_LOG_ERR(LS_ERROR) << "GetProcessMemoryInfo() failed"; + return -1; + } + return pmc.WorkingSetSize; +#elif defined(WEBRTC_FUCHSIA) + zx_info_task_stats_t task_stats; + zx_status_t status = zx::process::self()->get_info( + ZX_INFO_TASK_STATS, &task_stats, sizeof(task_stats), nullptr, nullptr); + if (status == ZX_OK) { + return task_stats.mem_mapped_bytes; + } else { + RTC_LOG_ERR(LS_ERROR) << "get_info() failed: " + << zx_status_get_string(status); + return -1; + } +#else + // Not implemented yet. + static_assert(false, + "GetProcessVirtualMemoryUsageBytes() platform support not yet " + "implemented."); +#endif +} + +} // namespace rtc |