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| 1 // Copyright 2014 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 #include "base/debug/gdi_debug_util_win.h" | |
| 5 | |
| 6 #include <cmath> | |
| 7 | |
| 8 #include <psapi.h> | |
| 9 #include <TlHelp32.h> | |
| 10 | |
| 11 #include "base/debug/alias.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/win/scoped_handle.h" | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 void CollectChildGDIUsageAndDie(DWORD parent_pid) { | |
| 18 HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); | |
| 19 CHECK_NE(INVALID_HANDLE_VALUE, snapshot); | |
| 20 | |
| 21 int child_count = 0; | |
| 22 base::debug::Alias(&child_count); | |
| 23 int peak_gdi_count = 0; | |
| 24 base::debug::Alias(&peak_gdi_count); | |
| 25 int sum_gdi_count = 0; | |
| 26 base::debug::Alias(&sum_gdi_count); | |
| 27 int sum_user_count = 0; | |
| 28 base::debug::Alias(&sum_user_count); | |
| 29 | |
| 30 PROCESSENTRY32 proc_entry = {0}; | |
| 31 proc_entry.dwSize = sizeof(PROCESSENTRY32); | |
| 32 CHECK(Process32First(snapshot, &proc_entry)); | |
| 33 | |
| 34 do { | |
| 35 if (parent_pid != proc_entry.th32ParentProcessID) | |
| 36 continue; | |
| 37 // Got a child process. Compute GDI usage. | |
| 38 base::win::ScopedHandle process( | |
| 39 OpenProcess(PROCESS_QUERY_INFORMATION, | |
| 40 FALSE, | |
| 41 proc_entry.th32ParentProcessID)); | |
| 42 if (!process.IsValid()) | |
| 43 continue; | |
| 44 | |
| 45 int num_gdi_handles = GetGuiResources(process.Get(), GR_GDIOBJECTS); | |
| 46 int num_user_handles = GetGuiResources(process.Get(), GR_USEROBJECTS); | |
| 47 | |
| 48 // Compute sum and peak counts. | |
| 49 ++child_count; | |
| 50 sum_user_count += num_user_handles; | |
| 51 sum_gdi_count += num_gdi_handles; | |
| 52 if (peak_gdi_count < num_gdi_handles) | |
| 53 peak_gdi_count = num_gdi_handles; | |
| 54 | |
| 55 } while (Process32Next(snapshot, &proc_entry)); | |
| 56 | |
| 57 CloseHandle(snapshot); | |
| 58 CHECK(false); | |
| 59 } | |
| 60 | |
| 61 } // namespace | |
| 62 | |
| 63 namespace base { | |
| 64 namespace debug { | |
| 65 | |
| 66 void GDIBitmapAllocFailure(BITMAPINFOHEADER* header, HANDLE shared_section) { | |
| 67 // Make sure parameters are saved in the minidump. | |
| 68 DWORD last_error = GetLastError(); | |
| 69 | |
| 70 LONG width = header->biWidth; | |
| 71 LONG heigth = header->biHeight; | |
| 72 | |
| 73 base::debug::Alias(&last_error); | |
| 74 base::debug::Alias(&width); | |
| 75 base::debug::Alias(&heigth); | |
| 76 base::debug::Alias(&shared_section); | |
| 77 | |
| 78 int num_user_handles = GetGuiResources(GetCurrentProcess(), | |
| 79 GR_USEROBJECTS); | |
| 80 | |
| 81 int num_gdi_handles = GetGuiResources(GetCurrentProcess(), | |
| 82 GR_GDIOBJECTS); | |
| 83 if (num_gdi_handles == 0) { | |
| 84 DWORD get_gui_resources_error = GetLastError(); | |
| 85 base::debug::Alias(&get_gui_resources_error); | |
| 86 CHECK(false); | |
| 87 } | |
| 88 | |
| 89 base::debug::Alias(&num_gdi_handles); | |
| 90 base::debug::Alias(&num_user_handles); | |
| 91 | |
| 92 const DWORD kLotsOfHandles = 9990; | |
| 93 CHECK_LE(num_gdi_handles, kLotsOfHandles); | |
| 94 | |
| 95 PROCESS_MEMORY_COUNTERS_EX pmc; | |
| 96 pmc.cb = sizeof(pmc); | |
| 97 CHECK(GetProcessMemoryInfo(GetCurrentProcess(), | |
| 98 reinterpret_cast<PROCESS_MEMORY_COUNTERS*>(&pmc), | |
| 99 sizeof(pmc))); | |
| 100 const size_t kLotsOfMemory = 1500 * 1024 * 1024; // 1.5GB | |
| 101 CHECK_LE(pmc.PagefileUsage, kLotsOfMemory); | |
| 102 CHECK_LE(pmc.PrivateUsage, kLotsOfMemory); | |
| 103 | |
| 104 void* small_data = NULL; | |
| 105 base::debug::Alias(&small_data); | |
| 106 | |
| 107 if (std::abs(heigth) * width > 100) { | |
| 108 // Huh, that's weird. We don't have crazy handle count, we don't have | |
| 109 // ridiculous memory usage. Try to allocate a small bitmap and see if that | |
| 110 // fails too. | |
| 111 header->biWidth = 5; | |
| 112 header->biHeight = -5; | |
| 113 HBITMAP small_bitmap = CreateDIBSection( | |
| 114 NULL, reinterpret_cast<BITMAPINFO*>(&header), | |
| 115 0, &small_data, shared_section, 0); | |
| 116 CHECK(small_bitmap != NULL); | |
| 117 DeleteObject(small_bitmap); | |
| 118 } | |
| 119 // Maybe the child processes are the ones leaking GDI or USER resouces. | |
| 120 CollectChildGDIUsageAndDie(GetCurrentProcessId()); | |
| 121 } | |
| 122 | |
| 123 } // namespace debug | |
| 124 } // namespace base | |
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