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<?php
/**
* Core profiling functions. Have to exist before basically anything.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Profiler
*/
/**
* Get system resource usage of current request context.
* Invokes the getrusage(2) system call, requesting RUSAGE_SELF if on PHP5
* or RUSAGE_THREAD if on HHVM. Returns false if getrusage is not available.
*
* @since 1.24
* @return array|bool Resource usage data or false if no data available.
*/
function wfGetRusage() {
if ( !function_exists( 'getrusage' ) ) {
return false;
} elseif ( defined( 'HHVM_VERSION' ) ) {
return getrusage( 2 /* RUSAGE_THREAD */ );
} else {
return getrusage( 0 /* RUSAGE_SELF */ );
}
}
/**
* Begin profiling of a function
* @param string $functionname Name of the function we will profile
* @deprecated 1.25
*/
function wfProfileIn( $functionname ) {
}
/**
* Stop profiling of a function
* @param string $functionname Name of the function we have profiled
* @deprecated 1.25
*/
function wfProfileOut( $functionname = 'missing' ) {
}
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