description = [];
$this->startTime = [];
$this->endTime = [];
$this->initTime = 0;
$this->cur_timer = "";
$this->stack = [];
$this->trail = "";
$this->trace = "";
$this->count = [];
$this->running = [];
$this->initTime = $this->getMicroTime();
$this->output_enabled = $output_enabled;
$this->trace_enabled = $trace_enabled;
$this->startTimer( 'unprofiled' );
}
// Public Methods
/**
* Start an individual timer
* This will pause the running timer and place it on a stack.
* @param string $name name of the timer
* @param string optional $desc description of the timer
*/
function startTimer( $name, $desc = "" ) {
$this->trace .= "start $name\n";
$n = array_push( $this->stack, $this->cur_timer );
$this->__suspendTimer( $this->stack[$n - 1] );
$this->startTime[$name] = $this->getMicroTime();
$this->cur_timer = $name;
$this->description[$name] = $desc;
if ( !array_key_exists( $name, $this->count ) ) {
$this->count[$name] = 1;
} else {
$this->count[$name]++;
}
}
/**
* Stop an individual timer
* Restart the timer that was running before this one
* @param string $name name of the timer
*/
function stopTimer( $name ) {
$this->trace .= "stop $name\n";
$this->endTime[$name] = $this->getMicroTime();
if ( !array_key_exists( $name, $this->running ) ) {
$this->running[$name] = $this->elapsedTime( $name );
} else {
$this->running[$name] += $this->elapsedTime( $name );
}
$this->cur_timer = array_pop( $this->stack );
$this->__resumeTimer( $this->cur_timer );
}
/**
* measure the elapsed time of a timer without stoping the timer if
* it is still running
* @param $name
* @return int|mixed
*/
function elapsedTime( $name ) {
// This shouldn't happen, but it does once.
if ( !array_key_exists( $name, $this->startTime ) ) {
return 0;
}
if ( array_key_exists( $name, $this->endTime ) ) {
return ( $this->endTime[$name] - $this->startTime[$name] );
} else {
$now = $this->getMicroTime();
return ( $now - $this->startTime[$name] );
}
}//end start_time
/**
* Measure the elapsed time since the profile class was initialised
*
*/
function elapsedOverall() {
$oaTime = $this->getMicroTime() - $this->initTime;
return ( $oaTime );
}//end start_time
/**
* print out a log of all the timers that were registered
* @param bool $enabled
*/
function printTimers( $enabled = false ) {
if ( $this->output_enabled || $enabled ) {
$TimedTotal = 0;
$tot_perc = 0;
ksort( $this->description );
print( "\n" );
$oaTime = $this->getMicroTime() - $this->initTime;
echo "============================================================================\n";
echo " PROFILER OUTPUT\n";
echo "============================================================================\n";
print( "Calls Time Routine\n" );
echo "-----------------------------------------------------------------------------\n";
foreach ( $this->description as $key => $val ) {
$t = $this->elapsedTime( $key );
if ( isset( $this->running[$key] ) ) {
$total = $this->running[$key];
} else {
$total = 0;
}
$count = $this->count[$key];
$TimedTotal += $total;
$perc = ( $total / $oaTime ) * 100;
$tot_perc += $perc;
// $perc=sprintf("%3.2f", $perc );
printf( "%3d %3.4f ms (%3.2f %%) %s\n", $count, $total * 1000, $perc, $key );
}
echo "\n";
$missed = $oaTime - $TimedTotal;
$perc = ( $missed / $oaTime ) * 100;
$tot_perc += $perc;
// $perc=sprintf("%3.2f", $perc );
printf( " %3.4f ms (%3.2f %%) %s\n", $missed * 1000, $perc, "Missed" );
echo "============================================================================\n";
printf( " %3.4f ms (%3.2f %%) %s\n", $oaTime * 1000, $tot_perc, "OVERALL TIME" );
echo "============================================================================\n";
print( "" );
}
}
/**
* @param bool $enabled
*/
function printTrace( $enabled = false ) {
if ( $this->trace_enabled || $enabled ) {
print( "" );
print( "Trace\n$this->trace\n\n" );
print( "
" );
}
}
/// Internal Use Only Functions
/**
* Get the current time as accuratly as possible
*
*/
function getMicroTime() {
return microtime( true );
}
/**
* resume an individual timer
* @param $name
*/
function __resumeTimer( $name ) {
$this->trace .= "resume $name\n";
$this->startTime[$name] = $this->getMicroTime();
}
/**
* suspend an individual timer
* @param $name
*/
function __suspendTimer( $name ) {
$this->trace .= "suspend $name\n";
$this->endTime[$name] = $this->getMicroTime();
if ( !array_key_exists( $name, $this->running ) ) {
$this->running[$name] = $this->elapsedTime( $name );
} else {
$this->running[$name] += $this->elapsedTime( $name );
}
}
}
/**
* @param $name
*/
function profiler_start( $name ) {
if ( array_key_exists( "midcom_profiler", $GLOBALS ) ) {
$GLOBALS["midcom_profiler"]->startTimer( $name );
}
}
/**
* @param $name
*/
function profiler_stop( $name ) {
if ( array_key_exists( "midcom_profiler", $GLOBALS ) ) {
$GLOBALS["midcom_profiler"]->stopTimer( $name );
}
}
?>