stopwatch.c File Reference

Definitions for timer utilities. More...

Include dependency graph for stopwatch.c:

Go to the source code of this file.

Functions
void	stopwatch_init (struct stopwatch *timer)
	Initializes a timer.
void	stopwatch_start (struct stopwatch *timer)
	Starts a timing run.
void	stopwatch_stop (struct stopwatch *timer, const struct timestamp *now)
	Stops a timing run, accumulating it into the total.
void	timestamp_add (struct timestamp *dest, const struct timestamp *src)
	Element-wise addition of a timestamp.
void	timestamp_init (struct timestamp *dest)
	Initializes a timestamp to zero.
void	timestamp_now (struct timestamp *dest)
	Records the current time.
void	timestamp_now_rev (struct timestamp *dest)
	Records the current time.
void	timestamp_sub (struct timestamp *dest, const struct timestamp *src)
	Element-wise subtraction of a timestamp.

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Detailed Description

Definitions for timer utilities.

Definition in file stopwatch.c.

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Function Documentation

void stopwatch_init

(

struct stopwatch *

timer

)

Initializes a timer.

Definition at line 108 of file stopwatch.c.

References stopwatch::start, timestamp_init(), and stopwatch::total.

Referenced by fx_get_timer(), and fx_reset_timer().

void stopwatch_start

(

struct stopwatch *

timer

)

Starts a timing run.

Definition at line 114 of file stopwatch.c.

References stopwatch::start, and timestamp_now_rev().

Referenced by fx_timer_start().

void stopwatch_stop	(	struct stopwatch *	timer,
		const struct timestamp *	now
	)

Stops a timing run, accumulating it into the total.

Definition at line 122 of file stopwatch.c.

References stopwatch::start, timestamp_add(), timestamp_init(), timestamp_sub(), and stopwatch::total.

Referenced by fx_timer_stop().

void timestamp_add	(	struct timestamp *	dest,
		const struct timestamp *	src
	)

Element-wise addition of a timestamp.

Definition at line 56 of file stopwatch.c.

References timestamp::cpu, and timestamp::micros.

Referenced by stopwatch_stop().

void timestamp_init

(

struct timestamp *

snapshot

)

Initializes a timestamp to zero.

Definition at line 51 of file stopwatch.c.

Referenced by stopwatch_init(), and stopwatch_stop().

void timestamp_now

(

struct timestamp *

dest

)

Records the current time.

The highest-precision operations are found first.

Definition at line 80 of file stopwatch.c.

References timestamp::cpu, and timestamp::micros.

Referenced by fx_done(), and fx_timer_stop().

void timestamp_now_rev

(

struct timestamp *

dest

)

Records the current time.

The highest-precision operations are found last.

Definition at line 93 of file stopwatch.c.

References timestamp::cpu, and timestamp::micros.

Referenced by stopwatch_start().

void timestamp_sub	(	struct timestamp *	dest,
		const struct timestamp *	src
	)

Element-wise subtraction of a timestamp.

Definition at line 68 of file stopwatch.c.

References timestamp::cpu, and timestamp::micros.

Referenced by stopwatch_stop().