// Returns the time the current thread has spent executing, in milliseconds.
static inline unsigned getCPUTime()
{
#if OS(DARWIN)
mach_msg_type_number_t infoCount = THREAD_BASIC_INFO_COUNT;
thread_basic_info_data_t info;
// Get thread information
mach_port_t threadPort = mach_thread_self();
thread_info(threadPort, THREAD_BASIC_INFO, reinterpret_cast<thread_info_t>(&info), &infoCount);
mach_port_deallocate(mach_task_self(), threadPort);
unsigned time = info.user_time.seconds * 1000 + info.user_time.microseconds / 1000;
time += info.system_time.seconds * 1000 + info.system_time.microseconds / 1000;
return time;
#elif OS(WINDOWS)
union {
FILETIME fileTime;
unsigned long long fileTimeAsLong;
} userTime, kernelTime;
// GetThreadTimes won't accept NULL arguments so we pass these even though
// they're not used.
FILETIME creationTime, exitTime;
GetThreadTimes(GetCurrentThread(), &creationTime, &exitTime, &kernelTime.fileTime, &userTime.fileTime);
return userTime.fileTimeAsLong / 10000 + kernelTime.fileTimeAsLong / 10000;
#elif OS(SYMBIAN)
RThread current;
TTimeIntervalMicroSeconds cpuTime;
TInt err = current.GetCpuTime(cpuTime);
ASSERT_WITH_MESSAGE(err == KErrNone, "GetCpuTime failed with %d", err);
return cpuTime.Int64() / 1000;
#elif PLATFORM(BREWMP)
// This function returns a continuously and linearly increasing millisecond
// timer from the time the device was powered on.
// There is only one thread in BREW, so this is enough.
return GETUPTIMEMS();
#else
// FIXME: We should return the time the current thread has spent executing.
// use a relative time from first call in order to avoid an overflow
static double firstTime = currentTime();
//+EAWebKitChange
//10/17/2011 - Added explicit cast.
return static_cast<unsigned> ((currentTime() - firstTime) * 1000);
//-EAWebKitChange
#endif
}
// Returns the time the current thread has spent executing, in milliseconds.
static inline unsigned getCPUTime()
{
#if OS(DARWIN)
mach_msg_type_number_t infoCount = THREAD_BASIC_INFO_COUNT;
thread_basic_info_data_t info;
// Get thread information
mach_port_t threadPort = mach_thread_self();
thread_info(threadPort, THREAD_BASIC_INFO, reinterpret_cast<thread_info_t>(&info), &infoCount);
mach_port_deallocate(mach_task_self(), threadPort);
unsigned time = info.user_time.seconds * 1000 + info.user_time.microseconds / 1000;
time += info.system_time.seconds * 1000 + info.system_time.microseconds / 1000;
return time;
#elif OS(WINDOWS)
union {
FILETIME fileTime;
unsigned long long fileTimeAsLong;
} userTime, kernelTime;
// GetThreadTimes won't accept NULL arguments so we pass these even though
// they're not used.
FILETIME creationTime, exitTime;
GetThreadTimes(GetCurrentThread(), &creationTime, &exitTime, &kernelTime.fileTime, &userTime.fileTime);
return userTime.fileTimeAsLong / 10000 + kernelTime.fileTimeAsLong / 10000;
#elif PLATFORM(BREWMP)
// This function returns a continuously and linearly increasing millisecond
// timer from the time the device was powered on.
// There is only one thread in BREW, so this is enough.
return GETUPTIMEMS();
#else
// FIXME: We should return the time the current thread has spent executing.
return currentTime() * 1000;
#endif
}
