switch_profile.h File Reference

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Typedefs
typedef struct profile_timer	switch_profile_timer_t

Functions
switch_profile_timer_t *	switch_new_profile_timer (void)
	create a new profile timer More...
switch_bool_t	switch_get_system_idle_time (switch_profile_timer_t *p, double *idle_percentage)
	provides the percentage of idle system time More...
void	switch_delete_profile_timer (switch_profile_timer_t **p)
	Deletes profile timer. More...

Typedef Documentation

switch_profile_timer_t

typedef struct profile_timer switch_profile_timer_t

Definition at line 37 of file switch_profile.h.

Function Documentation

switch_delete_profile_timer()

void switch_delete_profile_timer

(

switch_profile_timer_t **

p

)

Deletes profile timer.

Definition at line 327 of file switch_profile.c.

Referenced by SWITCH_MODULE_RUNTIME_FUNCTION().

{
        if (!p) return;

#ifdef __linux__
        close((*p)->procfd);
#endif
        free((*p)->percentage_of_idle_time_ring);
        free(*p);
        *p = NULL;
}

switch_get_system_idle_time()

switch_bool_t switch_get_system_idle_time	(	switch_profile_timer_t *	p,
		double *	idle_percentage
	)

provides the percentage of idle system time

Parameters

p	profile timer structure previously created with new_profile_timer
pointer	to store the percentage of idle time

Returns

false on error true for success

Note

on error idle_percentage will be set to 100

Definition at line 296 of file switch_profile.c.

References SWITCH_FALSE.

Referenced by SWITCH_MODULE_RUNTIME_FUNCTION().

{
        *idle_percentage = 100.0;
        return SWITCH_FALSE;
}

switch_new_profile_timer()

switch_profile_timer_t* switch_new_profile_timer

(

void

)

create a new profile timer

Returns

profile timer structure previously created with new_profile_timer, NULL on error

Definition at line 304 of file switch_profile.c.

References profile_timer::cpu_idle_smoothing_depth, switch_runtime::cpu_idle_smoothing_depth, profile_timer::percentage_of_idle_time_ring, runtime, and switch_assert.

Referenced by SWITCH_MODULE_RUNTIME_FUNCTION().

{
  unsigned int x;
  switch_profile_timer_t *p = calloc(1, sizeof(switch_profile_timer_t));

  if (!p) return NULL;

  if (runtime.cpu_idle_smoothing_depth > 0) {
          p->cpu_idle_smoothing_depth = runtime.cpu_idle_smoothing_depth;
  } else {
          p->cpu_idle_smoothing_depth = 30;
  }

  p->percentage_of_idle_time_ring = calloc(1, sizeof(double) * p->cpu_idle_smoothing_depth);
  switch_assert(p->percentage_of_idle_time_ring);

  for ( x = 0; x < p->cpu_idle_smoothing_depth; x++ ) {
          p->percentage_of_idle_time_ring[x] = 100.0;
  }

  return p;
}