TimeTracker Class Reference

#include <TimeTracker.h>

Collaboration diagram for TimeTracker:

Public Member Functions
ALWAYS_INLINE	TimeTracker (Process *pProcess, bool fromUserspace, bool entryInterruptsAlreadyDisabled=false, Thread *currentThread=nullptr)
void	finish ()
void	finishInKernel ()
ALWAYS_INLINE void	finishForUserReturn ()
void	attributeSyscall (size_t rawNumber)

Private Member Functions
void	initialise (bool entryInterruptsAlreadyDisabled)

Private Attributes
Process *	m_pProcess
Thread *	m_pThread
bool	m_bFromUserspace

Detailed Description

Tracks time spent and assigns it to the given process, in an RAII way.

Mostly useful for things like syscalls where there's a definitive entry and exit at which time should be tracked differently.

Definition at line 36 of file TimeTracker.h.

Constructor & Destructor Documentation

TimeTracker()

ALWAYS_INLINE TimeTracker::TimeTracker ( Process *  pProcess, bool  fromUserspace, bool  entryInterruptsAlreadyDisabled = false, Thread *  currentThread = nullptr  )

inline

Definition at line 40 of file TimeTracker.h.

~TimeTracker()

ALWAYS_INLINE TimeTracker::~TimeTracker ( )

inline

Definition at line 54 of file TimeTracker.h.

Member Function Documentation

attributeSyscall()

void TimeTracker::attributeSyscall

(

size_t

rawNumber

)

Attributes this userspace Linux syscall to the active Process.

Definition at line 56 of file TimeTracker.cc.

Referenced by HostedSyscallManager::syscall(), and X64SyscallManager::syscall().

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finish()

void TimeTracker::finish

(

)

Completes accounting before a no-return architectural transition.

Definition at line 72 of file TimeTracker.cc.

References Thread::transitionTime().

Referenced by HostedSyscallManager::syscall().

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finishForUserReturn()

ALWAYS_INLINE void TimeTracker::finishForUserReturn ( )

inline

Retires the tracker while leaving the kernel interval for user return.

Definition at line 66 of file TimeTracker.h.

Referenced by X64SyscallManager::syscall().

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finishInKernel()

void TimeTracker::finishInKernel

(

)

Completes accounting before restoring a saved kernel continuation.

Definition at line 90 of file TimeTracker.cc.

References Thread::transitionTime().

Referenced by HostedSyscallManager::syscall(), and X64SyscallManager::syscall().

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initialise()

void TimeTracker::initialise ( bool  entryInterruptsAlreadyDisabled )

private

Definition at line 26 of file TimeTracker.cc.

Member Data Documentation

m_bFromUserspace

bool TimeTracker::m_bFromUserspace

private

Definition at line 91 of file TimeTracker.h.

m_pProcess

Process* TimeTracker::m_pProcess

private

Definition at line 89 of file TimeTracker.h.

m_pThread

Thread* TimeTracker::m_pThread

private

Definition at line 90 of file TimeTracker.h.

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The documentation for this class was generated from the following files:

• TimeTracker.h
• TimeTracker.cc