--- /dev/null
+<?php
+/**
+* Profiler adapted from Pear::APD's pprofp script. Not quite there yet, I need
+* to get this to accept a similar list of arguments as the script does,
+* and process them the same way. Also make sure that the file being loaded
+* is the right one. Also support multiple pids used in one page load (up to 4 so far).
+* Then output all this in a nicely formatted table.
+*/
+class Profiler
+{
+ var $stimes;
+ var $utimes;
+ var $calls;
+ var $c_stimes;
+ var $c_utimes;
+ var $mem;
+
+ function get_profiling($opt = array())
+ {
+ global $CFG;
+echo "BLAH";
+ $retstring = '';
+ $dataFile = ini_get('apd.dumpdir') . '/pprof.' . getmypid() . '.*';
+
+ if (!$dataFile) {
+ return $this->usage();
+ }
+
+ if(($DATA = fopen($dataFile, "r")) == FALSE) {
+ die("Failed to open $dataFile for reading\n");
+ }
+
+ $cfg = array();
+ $this->parse_info('HEADER', $DATA, $cfg);
+
+ $callstack = array();
+ $calls = array();
+ $indent_cur = 0;
+ $file_hash = array();
+ $this->mem = array();
+ $t_rtime = 0;
+ $t_stime = 0;
+ $t_utime = 0;
+ $c_rtimes = array();
+ $this->c_stimes = array();
+ $this->c_utimes = array();
+ $rtimes = array();
+ $this->stimes = array();
+ $this->utimes = array();
+ $rtotal = 0;
+ $stotal = 0;
+ $utotal = 0;
+ $last_memory = 0;
+
+ $symbol_hash = array();
+ $symbol_type = array();
+
+ while($line = fgets($DATA)) {
+ $line = rtrim($line);
+ if(preg_match("/^END_TRACE/", $line)){
+ break;
+ }
+ list($token, $data) = preg_split("/ /",$line, 2);
+ if($token == '!') {
+ list ($index, $file) = preg_split("/ /", $data, 2);
+ $file_hash[$index] = $file;
+ continue;
+ }
+ if( $token == '&') {
+ list ($index, $name, $type) = preg_split("/ /", $data, 3);
+ $symbol_hash[$index] = $name;
+ $symbol_type[$index] = $type;
+ continue;
+ }
+ if( $token == '+') {
+ list($index, $file, $line) = preg_split("/ /",$data, 3);
+ if(array_key_exists('i',$opt) && $symbol_type[$index] == 1) {
+ continue;
+ }
+ $index_cur = $index;
+ $calls[$index_cur]++;
+ array_push($callstack, $index_cur);
+ if(array_key_exists('T', $opt)) {
+ if(array_key_exists('c', $opt)) {
+ $retstring .= sprintf("%2.02f ", $rtotal/1000000);
+ }
+ $retstring .= str_repeat(" ", $indent_cur).$symbol_hash[$index_cur]."\n";
+ if(array_key_exists('m', $opt)) {
+ $retstring .= str_repeat(" ", $indent_cur)."C: $file_hash[$file]:$line M: $memory\n";
+ }
+ }
+ elseif(array_key_exists('t', $opt)) {
+ if ( $indent_last == $indent_cur && $index_last == $index_cur ) {
+ $repcnt++;
+ }
+ else {
+ if ( $repcnt ) {
+ $repstr = ' ('.++$repcnt.'x)';
+ }
+ if(array_key_exists('c', $opt)) {
+ $retstring .= sprintf("%2.02f ", $rtotal/1000000);
+ }
+ $retstring .= str_repeat(" ", $indent_last).$symbol_hash[$index_last].$repstr."\n";
+ if(array_key_exists('m', $opt)) {
+ $retstring .= str_repeat(" ", $indent_cur)."C: $file_hash[$file_last]:$line_last M: $memory\n";
+ }
+ $repstr = '';
+ $repcnt = 0;
+ $index_last = $index_cur;
+ $indent_last = $indent_cur;
+ $file_last = $file;
+ $line_last = $line;
+ }
+ }
+ $indent_cur++;
+ continue;
+ }
+ if( $token == '@') {
+ list($file_no, $line_no, $ut, $st, $rt) = preg_split("/ /", $data);
+ $top = array_pop($callstack);
+ $this->utimes[$top] += $ut;
+ $utotal += $ut;
+ $this->stimes[$top] += $st;
+ $stotal += $st;
+ $rtimes[$top] += $rt;
+ $rtotal += $rt;
+ array_push($callstack, $top);
+ foreach ($callstack as $stack_element) {
+ $this->c_utimes[$stack_element] += $ut;
+ $this->c_stimes[$stack_element] += $st;
+ $c_rtimes[$stack_element] += $rt;
+ }
+ continue;
+ }
+ if ($token == '-') {
+ list ($index, $memory) = preg_split("/ /", $data, 2);
+ if(array_key_exists('i',$opt) && $symbol_type[$index] == 1)
+ {
+ continue;
+ }
+ $this->mem[$index] += ($memory - $last_memory);
+ $last_memory = $memory;
+ $indent_cur--;
+ $tmp = array_pop($callstack);
+ continue;
+ }
+ }
+ $this->parse_info('FOOTER', $DATA, $cfg);
+ $sort = 'by_time';
+ if(array_key_exists('l', $opt)) { $sort = 'by_calls'; }
+ if(array_key_exists('m', $opt)) { $sort = 'by_mem'; }
+ if(array_key_exists('a', $opt)) { $sort = 'by_name'; }
+ if(array_key_exists('v', $opt)) { $sort = 'by_avgcpu'; }
+ if(array_key_exists('r', $opt)) { $sort = 'by_rtime'; }
+ if(array_key_exists('R', $opt)) { $sort = 'by_c_rtime'; }
+ if(array_key_exists('s', $opt)) { $sort = 'by_stime'; }
+ if(array_key_exists('S', $opt)) { $sort = 'by_c_stime'; }
+ if(array_key_exists('u', $opt)) { $sort = 'by_utime'; }
+ if(array_key_exists('U', $opt)) { $sort = 'by_c_utime'; }
+ if(array_key_exists('Z', $opt)) { $sort = 'by_c_time'; }
+ if( !count($symbol_hash)) {
+ continue;
+ }
+
+ $retstring .= sprintf("
+ Trace for %s
+ Total Elapsed Time = %4.2f
+ Total System Time = %4.2f
+ Total User Time = %4.2f
+ ", $cfg['caller'], $rtotal/1000000, $stotal/1000000, $utotal/1000000);
+
+ $retstring .= "\n
+ Real User System secs/ cumm
+ %Time (excl/cumm) (excl/cumm) (excl/cumm) Calls call s/call Memory Usage Name
+ --------------------------------------------------------------------------------------\n";
+ $l = 0;
+ $itotal = 0;
+ $percall = 0;
+ $cpercall = 0;
+
+ uksort($symbol_hash, $sort);
+ foreach (array_keys($symbol_hash) as $j) {
+ if(array_key_exists('i', $opt) && $symbol_type[$j] == 1) {
+ continue;
+ }
+ if ($l++ < $opt['O']) {
+ $pcnt = 100*($this->stimes[$j] + $this->utimes[$j])/($utotal + $stotal + $itotal);
+ $c_pcnt = 100* ($this->c_stimes[$j] + $this->c_utimes[$j])/($utotal + $stotal + $itotal);
+ $rsecs = $rtimes[$j]/1000000;
+ $ssecs = $this->stimes[$j]/1000000;
+ $usecs = $this->utimes[$j]/1000000;
+ $c_rsecs = $c_rtimes[$j]/1000000;
+ $c_ssecs = $this->c_stimes[$j]/1000000;
+ $c_usecs = $this->c_utimes[$j]/1000000;
+ $ncalls = $calls[$j];
+ if(array_key_exists('z', $opt)) {
+ $percall = ($usecs + $ssecs)/$ncalls;
+ $cpercall = ($c_usecs + $c_ssecs)/$ncalls;
+ if($utotal + $stotal) {
+ $pcnt = 100*($this->stimes[$j] + $this->utimes[$j])/($utotal + $stotal);
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('Z', $opt)) {
+ $percall = ($usecs + $ssecs)/$ncalls;
+ $cpercall = ($c_usecs + $c_ssecs)/$ncalls;
+ if($utotal + $stotal) {
+ $pcnt = 100*($this->c_stimes[$j] + $this->c_utimes[$j])/($utotal + $stotal);
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('r', $opt)) {
+ $percall = ($rsecs)/$ncalls;
+ $cpercall = ($c_rsecs)/$ncalls;
+ if($rtotal) {
+ $pcnt = 100*$rtimes[$j]/$rtotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('R', $opt)) {
+ $percall = ($rsecs)/$ncalls;
+ $cpercall = ($c_rsecs)/$ncalls;
+ if($rtotal) {
+ $pcnt = 100*$c_rtimes[$j]/$rtotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('u', $opt)) {
+ $percall = ($usecs)/$ncalls;
+ $cpercall = ($c_usecs)/$ncalls;
+ if($utotal) {
+ $pcnt = 100*$this->utimes[$j]/$utotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('U', $opt)) {
+ $percall = ($usecs)/$ncalls;
+ $cpercall = ($c_usecs)/$ncalls;
+ if($utotal) {
+ $pcnt = 100*$this->c_utimes[$j]/$utotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('s', $opt)) {
+ $percall = ($ssecs)/$ncalls;
+ $cpercall = ($c_ssecs)/$ncalls;
+ if($stotal) {
+ $pcnt = 100*$this->stimes[$j]/$stotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ if(array_key_exists('S', $opt)) {
+ $percall = ($ssecs)/$ncalls;
+ $cpercall = ($c_ssecs)/$ncalls;
+ if($stotal) {
+ $pcnt = 100*$this->c_stimes[$j]/$stotal;
+ }
+ else {
+ $pcnt = 100;
+ }
+ }
+ // $cpercall = ($c_usecs + $c_ssecs)/$ncalls;
+ $mem_usage = $this->mem[$j];
+ $name = $symbol_hash[$j];
+ $retstring .= sprintf("%3.01f %2.02f %2.02f %2.02f %2.02f %2.02f %2.02f %4d %2.04f %2.04f %12d %s\n",
+ $pcnt, $rsecs, $c_rsecs, $usecs, $c_usecs, $ssecs, $c_ssecs, $ncalls, $percall, $cpercall, $mem_usage, $name);
+ return $retstring;
+ }
+ }
+ }
+
+ function usage() {
+ return <<<EOD
+ pprofp <flags> <trace file>
+ Sort options
+ -a Sort by alphabetic names of subroutines.
+ -l Sort by number of calls to subroutines
+ -m Sort by memory used in a function call.
+ -r Sort by real time spent in subroutines.
+ -R Sort by real time spent in subroutines (inclusive of child calls).
+ -s Sort by system time spent in subroutines.
+ -S Sort by system time spent in subroutines (inclusive of child calls).
+ -u Sort by user time spent in subroutines.
+ -U Sort by user time spent in subroutines (inclusive of child calls).
+ -v Sort by average amount of time spent in subroutines.
+ -z Sort by user+system time spent in subroutines. (default)
+
+ Display options
+ -c Display Real time elapsed alongside call tree.
+ -i Suppress reporting for php builtin functions
+ -O <cnt> Specifies maximum number of subroutines to display. (default 15)
+ -t Display compressed call tree.
+ -T Display uncompressed call tree.
+
+EOD;
+ exit(1);
+ }
+
+ function parse_info($tag, $datasource, &$cfg) {
+ while($line = fgets($datasource)) {
+ $line = rtrim($line);
+ if(preg_match("/^END_$tag$/", $line)) {
+ break;
+ }
+ if(preg_match("/(\w+)=(.*)/", $line, $matches)) {
+ $cfg[$matches[1]] = $matches[2];
+ }
+ }
+ }
+
+ function num_cmp($a, $b) {
+ if (intval($a) > intval($b)) { return 1;}
+ elseif(intval($a) < intval($b)) { return -1;}
+ else {return 0;}
+ }
+
+ function by_time($a,$b) {
+ return $this->num_cmp(($this->stimes[$b] + $this->utimes[$b]),($this->stimes[$a] + $this->utimes[$a]));
+ }
+
+ function by_c_time($a,$b) {
+ return $this->num_cmp(($this->c_stimes[$b] + $this->c_utimes[$b]),($this->c_stimes[$a] + $this->c_utimes[$a]));
+ }
+
+ function by_avgcpu($a,$b) {
+ return $this->num_cmp(($this->stimes[$b] + $this->utimes[$b])/$this->calls[$b],($this->stimes[$a] + $this->utimes[$a])/$this->calls[$a]);
+ }
+
+ function by_calls($a, $b) {
+ return $this->num_cmp($this->calls[$b], $this->calls[$a]);
+ }
+
+ function by_rtime($a,$b) {
+ return $this->num_cmp($this->rtimes[$b], $this->rtimes[$a]);
+ }
+
+ function by_c_rtime($a,$b) {
+ return $this->num_cmp($this->c_rtimes[$b], $this->c_rtimes[$a]);
+ }
+
+ function by_stime($a,$b) {
+ return $this->num_cmp($this->stimes[$b], $this->stimes[$a]);
+ }
+
+ function by_c_stime($a,$b) {
+ return $this->num_cmp($this->c_stimes[$b], $this->c_stimes[$a]);
+ }
+
+ function by_utime($a,$b) {
+ return $this->num_cmp($this->utimes[$b], $this->utimes[$a]);
+ }
+
+ function by_c_utime($a,$b) {
+ return $this->num_cmp($this->c_utimes[$b], $this->c_utimes[$a]);
+ }
+
+ function by_mem($a, $b) {
+ return $this->num_cmp($this->mem[$b], $this->mem[$a]);
+ }
+}
+?>
projects / moodle.git / commitdiff