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74f108a671
Implement GetProcessResidentSizeBytes for Fuchsia. Bug: webrtc:14825 Change-Id: I64582ce0da72d3bb0fa61ff64799a1a165e1192f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290922 Commit-Queue: Sarah Pham <smpham@google.com> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39154}
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/memory_usage.h"
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#if defined(WEBRTC_LINUX)
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#include <unistd.h>
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#include <cstdio>
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#elif defined(WEBRTC_MAC)
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#include <mach/mach.h>
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#elif defined(WEBRTC_WIN)
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// clang-format off
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// clang formating would change include order.
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#include <windows.h>
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#include <psapi.h> // must come after windows.h
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// clang-format on
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#elif defined(WEBRTC_FUCHSIA)
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#include <lib/zx/process.h>
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#include <zircon/status.h>
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#endif
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#include "rtc_base/logging.h"
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namespace rtc {
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int64_t GetProcessResidentSizeBytes() {
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#if defined(WEBRTC_LINUX)
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FILE* file = fopen("/proc/self/statm", "r");
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if (file == nullptr) {
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RTC_LOG(LS_ERROR) << "Failed to open /proc/self/statm";
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return -1;
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}
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int result = -1;
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if (fscanf(file, "%*s%d", &result) != 1) {
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fclose(file);
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RTC_LOG(LS_ERROR) << "Failed to parse /proc/self/statm";
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return -1;
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}
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fclose(file);
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return static_cast<int64_t>(result) * sysconf(_SC_PAGESIZE);
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#elif defined(WEBRTC_MAC)
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task_basic_info_64 info;
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mach_msg_type_number_t info_count = TASK_BASIC_INFO_64_COUNT;
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if (task_info(mach_task_self(), TASK_BASIC_INFO_64,
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reinterpret_cast<task_info_t>(&info),
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&info_count) != KERN_SUCCESS) {
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RTC_LOG_ERR(LS_ERROR) << "task_info() failed";
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return -1;
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}
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return info.resident_size;
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#elif defined(WEBRTC_WIN)
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PROCESS_MEMORY_COUNTERS pmc;
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if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)) == 0) {
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RTC_LOG_ERR(LS_ERROR) << "GetProcessMemoryInfo() failed";
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return -1;
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}
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return pmc.WorkingSetSize;
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#elif defined(WEBRTC_FUCHSIA)
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zx_info_task_stats_t task_stats;
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zx_status_t status = zx::process::self()->get_info(
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ZX_INFO_TASK_STATS, &task_stats, sizeof(task_stats), nullptr, nullptr);
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if (status == ZX_OK) {
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return task_stats.mem_mapped_bytes;
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} else {
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RTC_LOG_ERR(LS_ERROR) << "get_info() failed: "
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<< zx_status_get_string(status);
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return -1;
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}
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#else
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// Not implemented yet.
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static_assert(false,
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"GetProcessVirtualMemoryUsageBytes() platform support not yet "
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"implemented.");
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#endif
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}
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} // namespace rtc
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