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pts_test_result_buffer.php
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pts_test_result_buffer.php
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<?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2009 - 2021, Phoronix Media
Copyright (C) 2009 - 2021, 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_test_result_buffer
{
public $buffer_items;
// TODO XXX: ultimately revisit the test_result_buffer handling in the future to see if it's safe these days for map buffer_items keys by identifier
// likely some corner cases around renaming, sorting, etc still to be sorted out...
protected $buffer_contains;
protected $buffer_by_identifier;
protected $added_multi_sample_result = false;
protected $max_precision = 0;
protected $min_bi;
protected $min_value = 0;
protected $max_bi;
protected $max_value = 0;
public function __construct($buffer_items = array())
{
$this->buffer_items = $buffer_items;
if(!empty($buffer_items))
{
foreach($buffer_items as $i => &$buffer_item)
{
$this->buffer_contains[$buffer_item->get_result_identifier() . $buffer_item->get_result_value()] = 1;
$this->buffer_by_identifier[$buffer_item->get_result_identifier()] = $i;
$this->check_buffer_item_for_min_max($buffer_item);
}
}
}
public function add_buffer_item($buffer_item)
{
if(isset($this->buffer_by_identifier[$buffer_item->get_result_identifier()]) && $this->buffer_items[$this->buffer_by_identifier[$buffer_item->get_result_identifier()]]->get_result_value() == '')
{
// Overwrite the buffer item if there is a match but empty (incomplete) result
$this->remove($buffer_item->get_result_identifier());
}
if(!$this->buffer_contained($buffer_item))
{
$this->buffer_items[] = $buffer_item;
$this->buffer_by_identifier[$buffer_item->get_result_identifier()] = (count($this->buffer_items) - 1);
$this->buffer_contains[$buffer_item->get_result_identifier() . $buffer_item->get_result_value()] = 1;
$this->check_buffer_item_for_min_max($buffer_item);
}
}
public function add_test_result($identifier, $value, $raw_value = null, $json = null, $min_value = null, $max_value = null)
{
$buffer_item = new pts_test_result_buffer_item($identifier, $value, $raw_value, $json, $min_value, $max_value);
if(isset($this->buffer_by_identifier[$buffer_item->get_result_identifier()]) && $this->buffer_items[$this->buffer_by_identifier[$buffer_item->get_result_identifier()]]->get_result_value() == '')
{
// Overwrite the buffer item if there is a match but empty (incomplete) result
$this->remove($buffer_item->get_result_identifier());
}
$this->check_buffer_item_for_min_max($buffer_item);
$this->buffer_items[] = $buffer_item;
if(is_array($value))
{
$value = implode(':', $value);
}
if($this->added_multi_sample_result == false && $raw_value && !is_array($raw_value))
{
$this->added_multi_sample_result = strpos($raw_value, ':') !== false;
}
$this->buffer_contains[$identifier . $value] = 1;
$this->buffer_by_identifier[$identifier] = (count($this->buffer_items) - 1);
}
public function has_incomplete_result()
{
foreach($this->buffer_items as &$buffer_item)
{
if($buffer_item->get_result_value() == '')
{
return true;
}
}
return false;
}
public function recalculate_buffer_items_min_max()
{
$this->min_value = 0;
$this->max_value = 0;
foreach($this->buffer_items as &$buffer_item)
{
$this->check_buffer_item_for_min_max($buffer_item);
}
}
protected function check_buffer_item_for_min_max(&$buffer_item)
{
$value = $buffer_item->get_result_value();
if(!is_numeric($value))
{
$values = !is_array($value) ? explode(',', $value) : $value;
$min_value = min($values);
$max_value = max($values);
if(!is_numeric($min_value))
{
return;
}
}
else
{
$min_value = $value;
$max_value = $value;
}
if($min_value < $this->min_value || $this->min_value == 0)
{
$this->min_value = $min_value;
$this->min_bi = $buffer_item;
}
if($max_value > $this->max_value)
{
$this->max_value = $max_value;
$this->max_bi = $buffer_item;
}
// Also check precision
$this->max_precision = max($this->max_precision, pts_math::get_precision($buffer_item->get_result_value()));
}
public function __clone()
{
foreach($this->buffer_items as $i => $v)
{
$this->buffer_items[$i] = clone $this->buffer_items[$i];
}
}
public function get_buffer_items()
{
return $this->buffer_items;
}
public function sort_buffer_items()
{
sort($this->buffer_items);
}
public function sort_buffer_values($asc = true)
{
usort($this->buffer_items, array('pts_test_result_buffer', 'buffer_value_comparison'));
if($asc == false)
{
$this->buffer_items = array_reverse($this->buffer_items);
}
}
public static function buffer_value_comparison($a, $b)
{
return strcmp($a->get_result_value(), $b->get_result_value());
}
public function find_buffer_item($identifier)
{
foreach($this->buffer_items as &$buf)
{
if($buf->get_result_identifier() == $identifier)
{
return $buf;
}
}
return false;
}
public function get_result_from_identifier($identifier)
{
foreach($this->buffer_items as &$buf)
{
if($buf->get_result_identifier() == $identifier)
{
return $buf->get_result_value();
}
}
return false;
}
public function buffer_contained(&$buffer_item)
{
return isset($this->buffer_contains[$buffer_item->get_result_identifier() . $buffer_item->get_result_value()]);
}
public function get_buffer_item($i)
{
return isset($this->buffer_items[$i]) ? $this->buffer_items[$i] : false;
}
public function detected_multi_sample_result()
{
return $this->added_multi_sample_result;
}
public function clear_outlier_results($value_below)
{
$cleared = false;
foreach($this->buffer_items as $key => &$buffer_item)
{
if($buffer_item->get_result_value() < $value_below)
{
$other_value += $buffer_item->get_result_value();
unset($this->buffer_items[$key]);
$cleared = true;
}
}
if($cleared)
{
$this->recalculate_buffer_items_min_max();
}
}
public function rename($from, $to)
{
if($from == 'PREFIX')
{
foreach($this->buffer_items as &$buffer_item)
{
$buffer_item->reset_result_identifier($to . ': ' . $buffer_item->get_result_identifier());
}
}
else if($from == null && count($this->buffer_items) == 1)
{
foreach($this->buffer_items as &$buffer_item)
{
$buffer_item->reset_result_identifier($to);
}
return true;
}
else
{
foreach($this->buffer_items as &$buffer_item)
{
if($buffer_item->get_result_identifier() == $from)
{
$buffer_item->reset_result_identifier($to);
return true;
}
}
}
return false;
}
public function reorder($new_order)
{
foreach($new_order as $identifier)
{
foreach($this->buffer_items as $i => &$buffer_item)
{
if($buffer_item->get_result_identifier() == $identifier)
{
$c = $buffer_item;
unset($this->buffer_items[$i]);
$this->buffer_items[] = $c;
break;
}
}
}
}
public function remove($remove)
{
$remove = pts_arrays::to_array($remove);
$removed = false;
foreach($this->buffer_items as $i => &$buffer_item)
{
if(in_array($buffer_item->get_result_identifier(), $remove))
{
unset($this->buffer_by_identifier[$this->buffer_items[$i]->get_result_identifier()]);
unset($this->buffer_contains[$this->buffer_items[$i]->get_result_identifier() . $this->buffer_items[$i]->get_result_value()]);
unset($this->buffer_items[$i]);
$removed = true;
}
}
if($removed)
{
$this->recalculate_buffer_items_min_max();
}
return $removed;
}
public function auto_shorten_buffer_identifiers($identifier_shorten_index = false)
{
// If there's a lot to plot, try to auto-shorten the identifiers
// e.g. if each identifier contains like 'GeForce 6800', 'GeForce GT 220', etc..
// then remove the 'GeForce' part of the name.
if($identifier_shorten_index == false)
{
$identifier_shorten_index = pts_render::evaluate_redundant_identifier_words($this->get_identifiers());
}
if(empty($identifier_shorten_index))
{
return false;
}
foreach($this->buffer_items as &$buffer_item)
{
$identifier = explode(' ', $buffer_item->get_result_identifier());
foreach($identifier_shorten_index as $pos => $value)
{
if($identifier[$pos] == $value)
{
unset($identifier[$pos]);
}
}
$buffer_item->reset_result_identifier(implode(' ', $identifier));
}
return true;
}
public function clear_iqr_outlier_results()
{
$is_multi_way = pts_render::multi_way_identifier_check($this->get_identifiers());
$cleared = false;
if($is_multi_way)
{
$group_values = array();
$group_keys = array();
foreach($this->buffer_items as $key => &$buffer_item)
{
$identifier_r = pts_strings::trim_explode(': ', $buffer_item->get_result_identifier());
if(!isset($group_values[$identifier_r[1]]))
{
$group_values[$identifier_r[1]] = array();
$group_keys[$identifier_r[1]] = array();
}
$group_values[$identifier_r[1]][] = $buffer_item->get_result_value();
$group_keys[$identifier_r[1]][] = $key;
}
foreach($group_values as $group_key => $values)
{
// From: http://www.mathwords.com/o/outlier.htm
$fqr = pts_math::first_quartile($values);
$tqr = pts_math::third_quartile($values);
$iqr_cut = ($tqr - $fqr) * 1.5;
$bottom_cut = $fqr - $iqr_cut;
$top_cut = $tqr + $iqr_cut;
foreach($group_keys[$group_key] as $key)
{
$value = $this->buffer_items[$key]->get_result_value();
if($value > $top_cut || $value < $bottom_cut)
{
unset($this->buffer_items[$key]);
$cleared = true;
}
}
}
}
else
{
// From: http://www.mathwords.com/o/outlier.htm
$values = $this->get_values();
$fqr = pts_math::first_quartile($values);
$tqr = pts_math::third_quartile($values);
$iqr_cut = ($tqr - $fqr) * 1.5;
$bottom_cut = $fqr - $iqr_cut;
$top_cut = $tqr + $iqr_cut;
foreach($this->buffer_items as $key => &$buffer_item)
{
$value = $buffer_item->get_result_value();
if($value > $top_cut || $value < $bottom_cut)
{
unset($this->buffer_items[$key]);
$cleared = true;
}
}
}
if($cleared)
{
$this->recalculate_buffer_items_min_max();
}
}
public function buffer_values_sort()
{
usort($this->buffer_items, array('pts_test_result_buffer_item', 'compare_value'));
}
public function buffer_values_reverse()
{
$this->buffer_items = array_reverse($this->buffer_items);
}
public function get_count()
{
return count($this->buffer_items);
}
public function get_identifiers()
{
$identifiers = array();
foreach($this->buffer_items as &$buffer_item)
{
$identifiers[] = $buffer_item->get_result_identifier();
}
return $identifiers;
}
public function get_total_value_sum()
{
$sum = 0;
foreach($this->buffer_items as &$buffer_item)
{
$v = $buffer_item->get_result_value();
if(is_numeric($v))
{
$sum += $v;
}
}
return $sum;
}
public function get_longest_identifier()
{
$identifier = null;
$length = 0;
foreach($this->buffer_items as &$buffer_item)
{
if(($l = strlen($buffer_item->get_result_identifier())) > $length)
{
$length = $l;
$identifier = $buffer_item->get_result_identifier();
}
}
return $identifier;
}
public function get_max_precision()
{
return $this->max_precision;
}
public function reset_precision($precision)
{
foreach($this->buffer_items as &$buffer_item)
{
if(!is_numeric($buffer_item->get_result_value()))
{
continue;
}
$p = pts_math::set_precision($buffer_item->get_result_value(), $precision);
$buffer_item->reset_result_value($p, false);
}
}
public function reduce_precision()
{
$min_value = $this->get_min_value();
$max_value = $this->get_max_value();
if($min_value > 20 && ($max_value / $min_value) > 1.25)
{
$this->reset_precision(0);
}
else
{
$max_precision = $this->get_max_precision();
if($max_precision >= 1)
{
if($min_value > 10 && $max_precision > 1)
{
$max_precision = 2;
}
/*else if($max_precision > 3 && ($max_value / $min_value) > 1.3)
{
$max_precision = 3;
}*/
else if($max_precision > 3)
{
$max_precision = 3;
}
$this->reset_precision(($max_precision - 1));
}
}
}
public function get_min_value($return_identifier = false)
{
if($this->min_bi == null)
{
return null;
}
else if($return_identifier === 2)
{
return $this->min_bi;
}
else if($return_identifier)
{
return $this->min_bi->get_result_identifier();
}
else
{
return pts_math::set_precision($this->min_value, $this->get_max_precision());
}
}
public function get_max_value($return_identifier = false)
{
if($this->max_bi == null)
{
return null;
}
else if($return_identifier === 2)
{
return $this->max_bi;
}
else if($return_identifier)
{
return $this->max_bi->get_result_identifier();
}
else
{
return pts_math::set_precision($this->max_value, $this->get_max_precision());
}
}
public function has_run_with_multiple_samples()
{
foreach($this->buffer_items as &$buffer_item)
{
if($buffer_item->get_sample_count() > 1)
{
return true;
}
}
return false;
}
public function get_value_from_identifier($result_identifier)
{
foreach($this->buffer_items as &$buffer_item)
{
if($buffer_item->get_result_identifier() == $result_identifier)
{
return $buffer_item->get_result_value();
}
}
return false;
}
public function get_identifier_value_map()
{
$m = array();
foreach($this->buffer_items as &$buffer_item)
{
$m[$buffer_item->get_result_identifier()] = $buffer_item->get_result_value();
}
return $m;
}
public function get_map_by_identifier()
{
$m = array();
foreach($this->buffer_items as &$buffer_item)
{
$m[$buffer_item->get_result_identifier()] = &$buffer_item;
}
return $m;
}
public function buffer_values_to_percent()
{
$is_multi_way = pts_render::multi_way_identifier_check($this->get_identifiers());
if($is_multi_way)
{
$group_values = array();
foreach($this->buffer_items as &$buffer_item)
{
if(!is_numeric($buffer_item->get_result_value()))
{
continue;
}
$identifier_r = pts_strings::trim_explode(': ', $buffer_item->get_result_identifier());
if(!isset($group_values[$identifier_r[1]]))
{
$group_values[$identifier_r[1]] = 0;
}
$group_values[$identifier_r[1]] += $buffer_item->get_result_value();
}
foreach($this->buffer_items as &$buffer_item)
{
if(!is_numeric($buffer_item->get_result_value()))
{
continue;
}
$identifier_r = pts_strings::trim_explode(': ', $buffer_item->get_result_identifier());
$percent = pts_math::set_precision(($buffer_item->get_result_value() / $group_values[$identifier_r[1]] * 100), 3);
$buffer_item->reset_result_value($percent);
}
}
else
{
$total_value = array_sum($this->get_values());
foreach($this->buffer_items as &$buffer_item)
{
$percent = pts_math::set_precision(($buffer_item->get_result_value() / $total_value * 100), 3);
$buffer_item->reset_result_value($percent);
}
}
}
public function adjust_precision($precision = 'auto')
{
if($precision == 'auto')
{
// For very large results, little point in keeping the precision...
$min_value = $this->get_min_value();
$precision = -1;
if($min_value >= 100)
{
$precision = 0;
}
if($min_value >= 10)
{
$precision = 2;
}
$current_precision = $this->get_max_precision();
$precision = $precision == -1 ? $current_precision : min($precision, $current_precision);
}
if(is_numeric($precision))
{
foreach($this->buffer_items as &$buffer_item)
{
if(is_numeric(($val = $buffer_item->get_result_value())))
{
$buffer_item->reset_result_value(pts_math::set_precision($val, $precision), false);
}
}
}
}
public function get_values()
{
$values = array();
foreach($this->buffer_items as &$buffer_item)
{
$values[] = $buffer_item->get_result_value();
}
return $values;
}
public function get_median()
{
return pts_math::median($this->get_values());
}
public function get_values_as_string()
{
return implode(':', $this->get_values());
}
}
?>