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<?php
/**
* Print xhprof raw data (essentially a callgraph) in a canonical style,
* so that even if the ordering of things within the raw_data (which is
* an associative array) changes in future implementations the output
* remains stable.
*
* Also, suppress output of variable quantities (such as time, memory)
* so that reference output of tests doesn't need any additional masking.
*
* @author Kannan
*/
function print_canonical($xhprof_data) {
ksort($xhprof_data);
foreach($xhprof_data as $func => $metrics) {
echo str_pad($func, 40) . ":";
ksort($metrics);
foreach ($metrics as $name => $value) {
// Only call counts are stable.
// Wild card everything else. We still print
// the metric name to ensure it was collected.
if ($name != "ct") {
$value = "*";
} else {
$value = str_pad($value, 8, " ", STR_PAD_LEFT);
}
echo " {$name}={$value};";
}
echo "\n";
}
}
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