mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 01:36:09 +03:00
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
// Copyright 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 <utility>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/values.h"
|
|
#include "build/build_config.h"
|
|
|
|
#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX)
|
|
namespace {
|
|
int CalculateEventsPerSecond(uint64_t event_count,
|
|
uint64_t* last_event_count,
|
|
base::TimeTicks* last_calculated) {
|
|
base::TimeTicks time = base::TimeTicks::Now();
|
|
|
|
if (*last_event_count == 0) {
|
|
// First call, just set the last values.
|
|
*last_calculated = time;
|
|
*last_event_count = event_count;
|
|
return 0;
|
|
}
|
|
|
|
int64_t events_delta = event_count - *last_event_count;
|
|
int64_t time_delta = (time - *last_calculated).InMicroseconds();
|
|
if (time_delta == 0) {
|
|
NOTREACHED();
|
|
return 0;
|
|
}
|
|
|
|
*last_calculated = time;
|
|
*last_event_count = event_count;
|
|
|
|
int64_t events_delta_for_ms =
|
|
events_delta * base::Time::kMicrosecondsPerSecond;
|
|
// Round the result up by adding 1/2 (the second term resolves to 1/2 without
|
|
// dropping down into floating point).
|
|
return (events_delta_for_ms + time_delta / 2) / time_delta;
|
|
}
|
|
|
|
} // namespace
|
|
#endif // defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX)
|
|
|
|
namespace base {
|
|
|
|
SystemMemoryInfoKB::SystemMemoryInfoKB() = default;
|
|
|
|
SystemMemoryInfoKB::SystemMemoryInfoKB(const SystemMemoryInfoKB& other) =
|
|
default;
|
|
|
|
SystemMetrics::SystemMetrics() {
|
|
committed_memory_ = 0;
|
|
}
|
|
|
|
SystemMetrics SystemMetrics::Sample() {
|
|
SystemMetrics system_metrics;
|
|
|
|
system_metrics.committed_memory_ = GetSystemCommitCharge();
|
|
#if defined(OS_LINUX) || defined(OS_ANDROID)
|
|
GetSystemMemoryInfo(&system_metrics.memory_info_);
|
|
GetVmStatInfo(&system_metrics.vmstat_info_);
|
|
GetSystemDiskInfo(&system_metrics.disk_info_);
|
|
#endif
|
|
#if defined(OS_CHROMEOS)
|
|
GetSwapInfo(&system_metrics.swap_info_);
|
|
#endif
|
|
|
|
return system_metrics;
|
|
}
|
|
|
|
std::unique_ptr<Value> SystemMetrics::ToValue() const {
|
|
std::unique_ptr<DictionaryValue> res(new DictionaryValue());
|
|
|
|
res->SetInteger("committed_memory", static_cast<int>(committed_memory_));
|
|
#if defined(OS_LINUX) || defined(OS_ANDROID)
|
|
std::unique_ptr<DictionaryValue> meminfo = memory_info_.ToValue();
|
|
std::unique_ptr<DictionaryValue> vmstat = vmstat_info_.ToValue();
|
|
meminfo->MergeDictionary(vmstat.get());
|
|
res->Set("meminfo", std::move(meminfo));
|
|
res->Set("diskinfo", disk_info_.ToValue());
|
|
#endif
|
|
#if defined(OS_CHROMEOS)
|
|
res->Set("swapinfo", swap_info_.ToValue());
|
|
#endif
|
|
|
|
return std::move(res);
|
|
}
|
|
|
|
std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateCurrentProcessMetrics() {
|
|
#if !defined(OS_MACOSX) || defined(OS_IOS)
|
|
return CreateProcessMetrics(base::GetCurrentProcessHandle());
|
|
#else
|
|
return CreateProcessMetrics(base::GetCurrentProcessHandle(), nullptr);
|
|
#endif // !defined(OS_MACOSX) || defined(OS_IOS)
|
|
}
|
|
|
|
#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX)
|
|
int ProcessMetrics::CalculateIdleWakeupsPerSecond(
|
|
uint64_t absolute_idle_wakeups) {
|
|
return CalculateEventsPerSecond(absolute_idle_wakeups,
|
|
&last_absolute_idle_wakeups_,
|
|
&last_idle_wakeups_time_);
|
|
}
|
|
#else
|
|
int ProcessMetrics::GetIdleWakeupsPerSecond() {
|
|
NOTIMPLEMENTED(); // http://crbug.com/120488
|
|
return 0;
|
|
}
|
|
#endif // defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX)
|
|
|
|
#if defined(OS_MACOSX)
|
|
int ProcessMetrics::CalculatePackageIdleWakeupsPerSecond(
|
|
uint64_t absolute_package_idle_wakeups) {
|
|
return CalculateEventsPerSecond(absolute_package_idle_wakeups,
|
|
&last_absolute_package_idle_wakeups_,
|
|
&last_package_idle_wakeups_time_);
|
|
}
|
|
|
|
#endif // defined(OS_MACOSX)
|
|
} // namespace base
|