chrome/browser/memory_details_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/memory_details.h"
   6
   7 #include <psapi.h>
   8 #include <TlHelp32.h>
   9
  10 #include "base/bind.h"
  11 #include "base/file_version_info.h"
  12 #include "base/files/file_path.h"
  13 #include "base/path_service.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "base/win/scoped_handle.h"
  17 #include "base/win/windows_version.h"
  18 #include "chrome/common/url_constants.h"
  19 #include "chrome/grit/chromium_strings.h"
  20 #include "components/version_info/version_info.h"
  21 #include "content/public/browser/browser_thread.h"
  22 #include "content/public/common/process_type.h"
  23 #include "ui/base/l10n/l10n_util.h"
  24
  25 using content::BrowserThread;
  26
  27 // Known browsers which we collect details for.
  28 enum BrowserProcess {
  29   CHROME_BROWSER = 0,
  30   CHROME_NACL_PROCESS,
  31   IE_BROWSER,
  32   FIREFOX_BROWSER,
  33   OPERA_BROWSER,
  34   SAFARI_BROWSER,
  35   IE_64BIT_BROWSER,
  36   KONQUEROR_BROWSER,
  37   MAX_BROWSERS
  38 };
  39
  40 MemoryDetails::MemoryDetails() {
  41   base::FilePath browser_process_path;
  42   PathService::Get(base::FILE_EXE, &browser_process_path);
  43   const base::string16 browser_process_name =
  44       browser_process_path.BaseName().value();
  45   const base::string16 google_browser_name =
  46       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
  47
  48   struct {
  49     const wchar_t* name;
  50     const wchar_t* process_name;
  51   } process_template[MAX_BROWSERS] = {
  52     { google_browser_name.c_str(), browser_process_name.c_str(), },
  53     { google_browser_name.c_str(), L"nacl64.exe", },
  54     { L"IE", L"iexplore.exe", },
  55     { L"Firefox", L"firefox.exe", },
  56     { L"Opera", L"opera.exe", },
  57     { L"Safari", L"safari.exe", },
  58     { L"IE (64bit)", L"iexplore.exe", },
  59     { L"Konqueror", L"konqueror.exe", },
  60   };
  61
  62   for (int index = 0; index < MAX_BROWSERS; ++index) {
  63     ProcessData process;
  64     process.name = process_template[index].name;
  65     process.process_name = process_template[index].process_name;
  66     process_data_.push_back(process);
  67   }
  68 }
  69
  70 ProcessData* MemoryDetails::ChromeBrowser() {
  71   return &process_data_[CHROME_BROWSER];
  72 }
  73
  74 void MemoryDetails::CollectProcessData(
  75     CollectionMode mode,
  76     const std::vector<ProcessMemoryInformation>& child_info) {
  77   DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
  78
  79   // Clear old data.
  80   for (unsigned int index = 0; index < process_data_.size(); index++)
  81     process_data_[index].processes.clear();
  82
  83   base::win::OSInfo::WindowsArchitecture windows_architecture =
  84       base::win::OSInfo::GetInstance()->architecture();
  85
  86   base::win::ScopedHandle snapshot(
  87       ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0));
  88   PROCESSENTRY32 process_entry = {sizeof(PROCESSENTRY32)};
  89   if (!snapshot.Get()) {
  90     LOG(ERROR) << "CreateToolhelp32Snaphot failed: " << GetLastError();
  91     return;
  92   }
  93   if (!::Process32First(snapshot.Get(), &process_entry)) {
  94     LOG(ERROR) << "Process32First failed: " << GetLastError();
  95     return;
  96   }
  97   do {
  98     base::ProcessId pid = process_entry.th32ProcessID;
  99     base::win::ScopedHandle process_handle(::OpenProcess(
 100         PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid));
 101     if (!process_handle.IsValid())
 102       continue;
 103     bool is_64bit_process =
 104         ((windows_architecture == base::win::OSInfo::X64_ARCHITECTURE) ||
 105          (windows_architecture == base::win::OSInfo::IA64_ARCHITECTURE)) &&
 106         (base::win::OSInfo::GetWOW64StatusForProcess(process_handle.Get()) ==
 107             base::win::OSInfo::WOW64_DISABLED);
 108     const size_t browser_list_size =
 109         (mode == FROM_CHROME_ONLY ? 1 : process_data_.size());
 110     for (size_t index2 = 0; index2 < browser_list_size; ++index2) {
 111       if (_wcsicmp(process_data_[index2].process_name.c_str(),
 112                    process_entry.szExeFile) != 0)
 113         continue;
 114       if (index2 == IE_BROWSER && is_64bit_process)
 115         continue;  // Should use IE_64BIT_BROWSER
 116       // Get Memory Information.
 117       ProcessMemoryInformation info;
 118       info.pid = pid;
 119       if (info.pid == GetCurrentProcessId())
 120         info.process_type = content::PROCESS_TYPE_BROWSER;
 121       else
 122         info.process_type = content::PROCESS_TYPE_UNKNOWN;
 123
 124       scoped_ptr<base::ProcessMetrics> metrics;
 125       metrics.reset(base::ProcessMetrics::CreateProcessMetrics(
 126                         process_handle.Get()));
 127       metrics->GetCommittedKBytes(&info.committed);
 128       metrics->GetWorkingSetKBytes(&info.working_set);
 129
 130       // Get Version Information.
 131       TCHAR name[MAX_PATH];
 132       if (index2 == CHROME_BROWSER || index2 == CHROME_NACL_PROCESS) {
 133         info.version = base::ASCIIToUTF16(version_info::GetVersionNumber());
 134         // Check if this is one of the child processes whose data we collected
 135         // on the IO thread, and if so copy over that data.
 136         for (size_t child = 0; child < child_info.size(); child++) {
 137           if (child_info[child].pid != info.pid)
 138             continue;
 139           info.titles = child_info[child].titles;
 140           info.process_type = child_info[child].process_type;
 141           break;
 142         }
 143       } else if (GetModuleFileNameEx(process_handle.Get(), NULL, name,
 144                                      MAX_PATH - 1)) {
 145         std::wstring str_name(name);
 146         scoped_ptr<FileVersionInfo> version_info(
 147             FileVersionInfo::CreateFileVersionInfo(base::FilePath(str_name)));
 148         if (version_info != NULL) {
 149           info.version = version_info->product_version();
 150           info.product_name = version_info->product_name();
 151         }
 152       }
 153
 154       // Add the process info to our list.
 155       if (index2 == CHROME_NACL_PROCESS) {
 156         // Add NaCl processes to Chrome's list
 157         process_data_[CHROME_BROWSER].processes.push_back(info);
 158       } else {
 159         process_data_[index2].processes.push_back(info);
 160       }
 161       break;
 162     }
 163   } while (::Process32Next(snapshot.Get(), &process_entry));
 164
 165   // Finally return to the browser thread.
 166   BrowserThread::PostTask(
 167       BrowserThread::UI, FROM_HERE,
 168       base::Bind(&MemoryDetails::CollectChildInfoOnUIThread, this));
 169 }