Repo created

TMessagesProj/jni/voip/webrtc/base/process/process_metrics_freebsd.cc

@@ -0,0 +1,72 @@
+// Copyright (c) 2013 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 <stddef.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+#include <unistd.h>
+
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "base/process/process_metrics_iocounters.h"
+#include "base/stl_util.h"
+
+namespace base {
+
+ProcessMetrics::ProcessMetrics(ProcessHandle process)
+    : process_(process),
+      last_cpu_(0) {}
+
+// static
+std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics(
+    ProcessHandle process) {
+  return WrapUnique(new ProcessMetrics(process));
+}
+
+double ProcessMetrics::GetPlatformIndependentCPUUsage() {
+  struct kinfo_proc info;
+  int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_PID, process_};
+  size_t length = sizeof(info);
+
+  if (sysctl(mib, base::size(mib), &info, &length, NULL, 0) < 0)
+    return 0;
+
+  return (info.ki_pctcpu / FSCALE) * 100.0;
+}
+
+TimeDelta ProcessMetrics::GetCumulativeCPUUsage() {
+  NOTREACHED();
+  return TimeDelta();
+}
+
+bool ProcessMetrics::GetIOCounters(IoCounters* io_counters) const {
+  return false;
+}
+
+size_t GetSystemCommitCharge() {
+  int mib[2], pagesize;
+  unsigned long mem_total, mem_free, mem_inactive;
+  size_t length = sizeof(mem_total);
+
+  if (sysctl(mib, base::size(mib), &mem_total, &length, NULL, 0) < 0)
+    return 0;
+
+  length = sizeof(mem_free);
+  if (sysctlbyname("vm.stats.vm.v_free_count", &mem_free, &length, NULL, 0) < 0)
+    return 0;
+
+  length = sizeof(mem_inactive);
+  if (sysctlbyname("vm.stats.vm.v_inactive_count", &mem_inactive, &length,
+      NULL, 0) < 0) {
+    return 0;
+  }
+
+  pagesize = getpagesize();
+
+  return mem_total - (mem_free*pagesize) - (mem_inactive*pagesize);
+}
+
+}  // namespace base