// 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 #include "base/check.h" #include "base/notreached.h" #include "base/numerics/safe_conversions.h" #include "base/values.h" #include "build/build_config.h" namespace base { namespace { #if BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \ BUILDFLAG(IS_AIX) int CalculateEventsPerSecond(uint64_t event_count, uint64_t* last_event_count, base::TimeTicks* last_calculated) { const base::TimeTicks time = base::TimeTicks::Now(); int events_per_second = 0; if (*last_event_count != 0) { const uint64_t events_delta = event_count - *last_event_count; const base::TimeDelta time_delta = time - *last_calculated; DCHECK(!time_delta.is_zero()); events_per_second = ClampRound(events_delta / time_delta.InSecondsF()); } *last_calculated = time; *last_event_count = event_count; return events_per_second; } #endif } // namespace SystemMemoryInfoKB::SystemMemoryInfoKB() = default; SystemMemoryInfoKB::SystemMemoryInfoKB(const SystemMemoryInfoKB&) = default; SystemMemoryInfoKB& SystemMemoryInfoKB::operator=(const SystemMemoryInfoKB&) = default; SystemMetrics::SystemMetrics() { committed_memory_ = 0; } SystemMetrics SystemMetrics::Sample() { SystemMetrics system_metrics; system_metrics.committed_memory_ = GetSystemCommitCharge(); #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) GetSystemMemoryInfo(&system_metrics.memory_info_); GetVmStatInfo(&system_metrics.vmstat_info_); GetSystemDiskInfo(&system_metrics.disk_info_); #endif #if BUILDFLAG(IS_CHROMEOS) GetSwapInfo(&system_metrics.swap_info_); GetGraphicsMemoryInfo(&system_metrics.gpu_memory_info_); #endif #if BUILDFLAG(IS_WIN) GetSystemPerformanceInfo(&system_metrics.performance_); #endif return system_metrics; } Value SystemMetrics::ToValue() const { Value res(Value::Type::DICTIONARY); res.SetIntKey("committed_memory", static_cast(committed_memory_)); #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) Value meminfo = memory_info_.ToValue(); Value vmstat = vmstat_info_.ToValue(); meminfo.MergeDictionary(&vmstat); res.SetKey("meminfo", std::move(meminfo)); res.SetKey("diskinfo", disk_info_.ToValue()); #endif #if BUILDFLAG(IS_CHROMEOS) res.SetKey("swapinfo", swap_info_.ToValue()); res.SetKey("gpu_meminfo", gpu_memory_info_.ToValue()); #endif #if BUILDFLAG(IS_WIN) res.SetKey("perfinfo", performance_.ToValue()); #endif return res; } std::unique_ptr ProcessMetrics::CreateCurrentProcessMetrics() { #if !BUILDFLAG(IS_MAC) return CreateProcessMetrics(base::GetCurrentProcessHandle()); #else return CreateProcessMetrics(base::GetCurrentProcessHandle(), nullptr); #endif // !BUILDFLAG(IS_MAC) } #if !BUILDFLAG(IS_FREEBSD) || !BUILDFLAG(IS_POSIX) double ProcessMetrics::GetPlatformIndependentCPUUsage() { TimeDelta cumulative_cpu = GetCumulativeCPUUsage(); TimeTicks time = TimeTicks::Now(); if (last_cumulative_cpu_.is_zero()) { // First call, just set the last values. last_cumulative_cpu_ = cumulative_cpu; last_cpu_time_ = time; return 0; } TimeDelta cpu_time_delta = cumulative_cpu - last_cumulative_cpu_; TimeDelta time_delta = time - last_cpu_time_; DCHECK(!time_delta.is_zero()); if (time_delta.is_zero()) return 0; last_cumulative_cpu_ = cumulative_cpu; last_cpu_time_ = time; return 100.0 * cpu_time_delta / time_delta; } #endif #if BUILDFLAG(IS_WIN) double ProcessMetrics::GetPreciseCPUUsage() { TimeDelta cumulative_cpu = GetPreciseCumulativeCPUUsage(); TimeTicks time = TimeTicks::Now(); if (last_precise_cumulative_cpu_.is_zero()) { // First call, just set the last values. last_precise_cumulative_cpu_ = cumulative_cpu; last_cpu_time_for_precise_cpu_usage_ = time; return 0; } TimeDelta cpu_time_delta = cumulative_cpu - last_precise_cumulative_cpu_; TimeDelta time_delta = time - last_cpu_time_for_precise_cpu_usage_; DCHECK(!time_delta.is_zero()); if (time_delta.is_zero()) return 0; last_precise_cumulative_cpu_ = cumulative_cpu; last_cpu_time_for_precise_cpu_usage_ = time; return 100.0 * cpu_time_delta / time_delta; } #endif // BUILDFLAG(IS_WIN) #if BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \ BUILDFLAG(IS_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 // BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) // || BUILDFLAG(IS_AIX) #if BUILDFLAG(IS_APPLE) 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 // BUILDFLAG(IS_APPLE) #if !BUILDFLAG(IS_WIN) uint64_t ProcessMetrics::GetCumulativeDiskUsageInBytes() { // Not implemented. return 0; } #endif } // namespace base