/usr/share/phoronix-test-suite/pts-core/objects/pts_tracker.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) 2009 - 2010, Phoronix Media
Copyright (C) 2009 - 2010, 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 pts_tracker
{
public static function list_regressions_linear(&$result_file, $threshold = 0.05, $show_only_active_regressions = true)
{
$regressions = array();
foreach($result_file->get_result_objects() as $test_index => $result_object)
{
$prev_buffer_item = null;
$this_test_regressions = array();
foreach($result_object->test_result_buffer->get_buffer_items() as $buffer_item)
{
if(!is_numeric($buffer_item->get_result_value()))
{
break;
}
if($prev_buffer_item != null && abs(1 - ($buffer_item->get_result_value() / $prev_buffer_item->get_result_value())) > $threshold)
{
if(defined('PHOROMATIC_TRACKER'))
{
$explode_r = explode(': ', $buffer_item->get_result_identifier());
$explode_r_prev = explode(': ', $prev_buffer_item->get_result_identifier());
if(count($explode_r) > 1 && $explode_r[0] != $explode_r_prev[0])
{
// This case wards against it looking like a regression between multiple systems on a Phoromatic Tracker
// The premise is the format is 'SYSTEM NAME: DATE' so match up SYSTEM NAME's
continue;
}
}
$this_regression_marker = new pts_test_result_regression_marker($result_object, $prev_buffer_item, $buffer_item, $test_index);
if($show_only_active_regressions)
{
foreach($this_test_regressions as $index => &$regression_marker)
{
if(abs(1 - ($regression_marker->get_base_value() / $this_regression_marker->get_regressed_value())) < 0.04)
{
// 1% tolerance, regression seems to be corrected
unset($this_test_regressions[$index]);
$this_regression_marker = null;
break;
}
}
}
if($this_regression_marker != null)
{
array_push($this_test_regressions, $this_regression_marker);
}
}
$prev_buffer_item = $buffer_item;
}
foreach($this_test_regressions as &$regression_marker)
{
array_push($regressions, $regression_marker);
}
}
return $regressions;
}
}
?>
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