Time measurement module

Classes
struct	TimerData
	Struct defining the start and stop time of a time interval. More...
union	TscCounter
	Struct defining the start and stop time of a time interval. More...

Functions
void	timer_finalize (void) __attribute__((visibility("default")))
	Finalize timer module. More...
uint64_t	timer_getBaseline (void) __attribute__((visibility("default")))
	Return the baseline CPU clock determined at timer_init. More...
uint64_t	timer_getCpuClock (void) __attribute__((visibility("default")))
	Return the CPU clock determined at timer_init. More...
uint64_t	timer_getCpuClockCurrent (int cpu_id) __attribute__((visibility("default")))
	Return the current CPU clock read from sysfs. More...
uint64_t	timer_getCycleClock (void) __attribute__((visibility("default")))
	Return the cycles clock determined at timer_init. More...
void	timer_init (void) __attribute__((visibility("default")))
	Initialize timer by retrieving baseline frequency and cpu clock.
double	timer_print (const TimerData *time) __attribute__((visibility("default")))
	Return the measured interval in seconds. More...
uint64_t	timer_printCycles (const TimerData *time) __attribute__((visibility("default")))
	Return the measured interval in cycles. More...
void	timer_reset (TimerData *time) __attribute__((visibility("default")))
	Reset values in TimerData. More...
int	timer_sleep (unsigned long usec) __attribute__((visibility("default")))
	Sleep for specified usecs. More...
void	timer_start (TimerData *time) __attribute__((visibility("default")))
	Start time measurement. More...
void	timer_stop (TimerData *time) __attribute__((visibility("default")))
	Stop time measurement. More...

Detailed Description

Function Documentation

void timer_finalize

(

void

)

Finalize timer module.

uint64_t timer_getBaseline

(

void

)

Return the baseline CPU clock determined at timer_init.

Returns

Baseline CPU clock

uint64_t timer_getCpuClock

(

void

)

Return the CPU clock determined at timer_init.

Returns

CPU clock

uint64_t timer_getCpuClockCurrent

(

int

cpu_id

)

Return the current CPU clock read from sysfs.

Returns

CPU clock

uint64_t timer_getCycleClock

(

void

)

Return the cycles clock determined at timer_init.

Returns

cycle clock

double timer_print

(

const TimerData *

time

)

Return the measured interval in seconds.

Parameters

[in]

time

Structure holding the cycle count at start and stop

Returns

Time in seconds

uint64_t timer_printCycles

(

const TimerData *

time

)

Return the measured interval in cycles.

Parameters

[in]

time

Structure holding the cycle count at start and stop

Returns

Time in cycles

void timer_reset

(

TimerData *

time

)

Reset values in TimerData.

Parameters

[in]

time

Structure holding the cycle count at start and stop

int timer_sleep

(

unsigned long

usec

)

Sleep for specified usecs.

Parameters

[in]

usec

Amount of usecs to sleep

void timer_start

(

TimerData *

time

)

Start time measurement.

Parameters

[in,out]

time

Structure holding the cycle count at start

void timer_stop

(

TimerData *

time

)

Stop time measurement.

Parameters

[in,out]

time

Structure holding the cycle count at stop