/usr/share/phoronix-test-suite/pts-core/objects/phodevi/sensors/gpu_power.php is in phoronix-test-suite 4.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2011, Phoronix Media
Copyright (C) 2011, Michael Larabel
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 3 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, see <http://www.gnu.org/licenses/>.
*/
class gpu_power implements phodevi_sensor
{
public static function get_type()
{
return 'gpu';
}
public static function get_sensor()
{
return 'power';
}
public static function get_unit()
{
return 'Milliwatts';
}
public static function support_check()
{
return self::read_sensor() > 0;
}
public static function read_sensor()
{
$gpu_power = -1;
if(is_readable('/sys/kernel/debug/dri/0/i915_emon_status'))
{
$i915_emon_status = file_get_contents('/sys/kernel/debug/dri/0/i915_emon_status');
$power = strpos($i915_emon_status, 'Total power: ');
if($power !== false)
{
$power = substr($i915_emon_status, $power + 13);
$power = substr($power, 0, strpos($power, PHP_EOL));
if(is_numeric($power))
{
if($power > 10000000)
{
$power /= 1000;
}
$gpu_power = $power;
}
}
}
return $gpu_power;
}
}
?>
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