| // Copyright 2015 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 "components/metrics/system_memory_stats_recorder.h" |
| |
| #include <windows.h> |
| |
| #include "base/metrics/histogram_macros.h" |
| #include "base/process/process_metrics.h" |
| |
| namespace metrics { |
| |
| void RecordMemoryStats(RecordMemoryStatsType type) { |
| MEMORYSTATUSEX mem_status; |
| mem_status.dwLength = sizeof(mem_status); |
| if (!::GlobalMemoryStatusEx(&mem_status)) |
| return; |
| |
| switch (type) { |
| case RECORD_MEMORY_STATS_TAB_DISCARDED: { |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Memory.Stats.Win.MemoryLoad", |
| mem_status.dwMemoryLoad, 0, 100, 101); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.TotalPhys", |
| mem_status.ullTotalPhys); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.AvailPhys", |
| mem_status.ullAvailPhys); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.TotalPageFile", |
| mem_status.ullTotalPageFile); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.AvailPageFile", |
| mem_status.ullAvailPageFile); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.TotalVirtual", |
| mem_status.ullTotalVirtual); |
| UMA_HISTOGRAM_LARGE_MEMORY_MB("Memory.Stats.Win.AvailVirtual", |
| mem_status.ullAvailVirtual); |
| break; |
| } |
| default: |
| NOTREACHED() << L"Received unexpected notification"; |
| break; |
| } |
| } |
| |
| } // namespace metrics |