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- // Copyright 2017 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "base/process/process_metrics.h"
- #include <lib/fdio/limits.h>
- #include <lib/zx/process.h>
- #include "base/fuchsia/fuchsia_logging.h"
- #include "base/memory/ptr_util.h"
- namespace base {
- size_t GetMaxFds() {
- return FDIO_MAX_FD;
- }
- size_t GetHandleLimit() {
- // Duplicated from the internal Magenta kernel constant kMaxHandleCount
- // (zircon/kernel/object/handle.cc).
- return 256 * 1024u;
- }
- size_t GetSystemCommitCharge() {
- // TODO(https://crbug.com/926581): Fuchsia does not support this.
- return 0;
- }
- ProcessMetrics::ProcessMetrics(ProcessHandle process) : process_(process) {}
- // static
- std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics(
- ProcessHandle process) {
- return base::WrapUnique(new ProcessMetrics(process));
- }
- TimeDelta ProcessMetrics::GetCumulativeCPUUsage() {
- zx_info_task_runtime_t stats;
- zx_status_t status = zx::unowned_process(process_)->get_info(
- ZX_INFO_TASK_RUNTIME, &stats, sizeof(stats), nullptr, nullptr);
- ZX_CHECK(status == ZX_OK, status);
- return TimeDelta::FromZxDuration(stats.cpu_time);
- }
- bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo) {
- // TODO(https://crbug.com/926581).
- return false;
- }
- } // namespace base
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