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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if defined(OS_WIN) | 5 #if defined(OS_WIN) |
| 6 #include <windows.h> | 6 #include <windows.h> |
| 7 #endif | 7 #endif |
| 8 | 8 |
| 9 #include "content/gpu/gpu_watchdog_thread.h" | 9 #include "content/gpu/gpu_watchdog_thread.h" |
| 10 | 10 |
| 11 #include "base/bind.h" | 11 #include "base/bind.h" |
| 12 #include "base/bind_helpers.h" | 12 #include "base/bind_helpers.h" |
| 13 #include "base/command_line.h" | 13 #include "base/command_line.h" |
| 14 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
| 15 #include "base/process_util.h" | 15 #include "base/process_util.h" |
| 16 #include "base/process.h" | 16 #include "base/process.h" |
| 17 #include "build/build_config.h" | 17 #include "build/build_config.h" |
| 18 #include "content/public/common/content_switches.h" | 18 #include "content/public/common/content_switches.h" |
| 19 #include "content/public/common/result_codes.h" | 19 #include "content/public/common/result_codes.h" |
| 20 | 20 |
| 21 namespace content { |
| 21 namespace { | 22 namespace { |
| 22 const int64 kCheckPeriodMs = 2000; | 23 const int64 kCheckPeriodMs = 2000; |
| 23 } // namespace | 24 } // namespace |
| 24 | 25 |
| 25 GpuWatchdogThread::GpuWatchdogThread(int timeout) | 26 GpuWatchdogThread::GpuWatchdogThread(int timeout) |
| 26 : base::Thread("Watchdog"), | 27 : base::Thread("Watchdog"), |
| 27 watched_message_loop_(MessageLoop::current()), | 28 watched_message_loop_(MessageLoop::current()), |
| 28 timeout_(base::TimeDelta::FromMilliseconds(timeout)), | 29 timeout_(base::TimeDelta::FromMilliseconds(timeout)), |
| 29 armed_(false), | 30 armed_(false), |
| 30 #if defined(OS_WIN) | 31 #if defined(OS_WIN) |
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| 198 #endif | 199 #endif |
| 199 | 200 |
| 200 LOG(ERROR) << "The GPU process hung. Terminating after " | 201 LOG(ERROR) << "The GPU process hung. Terminating after " |
| 201 << timeout_.InMilliseconds() << " ms."; | 202 << timeout_.InMilliseconds() << " ms."; |
| 202 | 203 |
| 203 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kCrashOnGpuHang)) { | 204 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kCrashOnGpuHang)) { |
| 204 // Deliberately crash the process to create a crash dump. | 205 // Deliberately crash the process to create a crash dump. |
| 205 *((volatile int*)0) = 0x1337; | 206 *((volatile int*)0) = 0x1337; |
| 206 } else { | 207 } else { |
| 207 base::Process current_process(base::GetCurrentProcessHandle()); | 208 base::Process current_process(base::GetCurrentProcessHandle()); |
| 208 current_process.Terminate(content::RESULT_CODE_HUNG); | 209 current_process.Terminate(RESULT_CODE_HUNG); |
| 209 } | 210 } |
| 210 | 211 |
| 211 terminated = true; | 212 terminated = true; |
| 212 } | 213 } |
| 213 | 214 |
| 214 #if defined(OS_WIN) | 215 #if defined(OS_WIN) |
| 215 base::TimeDelta GpuWatchdogThread::GetWatchedThreadTime() { | 216 base::TimeDelta GpuWatchdogThread::GetWatchedThreadTime() { |
| 216 FILETIME creation_time; | 217 FILETIME creation_time; |
| 217 FILETIME exit_time; | 218 FILETIME exit_time; |
| 218 FILETIME user_time; | 219 FILETIME user_time; |
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| 236 // summed to deal with to kinds of hangs. One is where the GPU process is | 237 // summed to deal with to kinds of hangs. One is where the GPU process is |
| 237 // stuck in user level, never calling into the kernel and kernel time is | 238 // stuck in user level, never calling into the kernel and kernel time is |
| 238 // not increasing. The other is where either the kernel hangs and never | 239 // not increasing. The other is where either the kernel hangs and never |
| 239 // returns to user level or where user level code | 240 // returns to user level or where user level code |
| 240 // calls into kernel level repeatedly, giving up its quanta before it is | 241 // calls into kernel level repeatedly, giving up its quanta before it is |
| 241 // tracked, for example a loop that repeatedly Sleeps. | 242 // tracked, for example a loop that repeatedly Sleeps. |
| 242 return base::TimeDelta::FromMilliseconds(static_cast<int64>( | 243 return base::TimeDelta::FromMilliseconds(static_cast<int64>( |
| 243 (user_time64.QuadPart + kernel_time64.QuadPart) / 10000)); | 244 (user_time64.QuadPart + kernel_time64.QuadPart) / 10000)); |
| 244 } | 245 } |
| 245 #endif | 246 #endif |
| 247 |
| 248 } // namespace content |
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