Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403]
1 <?php 2 // Copyright (c) 2009 Facebook 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 // 18 // XHProf: A Hierarchical Profiler for PHP 19 // 20 // XHProf has two components: 21 // 22 // * This module is the UI/reporting component, used 23 // for viewing results of XHProf runs from a browser. 24 // 25 // * Data collection component: This is implemented 26 // as a PHP extension (XHProf). 27 // 28 // @author Kannan Muthukkaruppan 29 // 30 31 if (!isset($GLOBALS['XHPROF_LIB_ROOT'])) { 32 // by default, the parent directory is XHPROF lib root 33 $GLOBALS['XHPROF_LIB_ROOT'] = realpath(dirname(__FILE__) . '/..'); 34 } 35 36 require_once $GLOBALS['XHPROF_LIB_ROOT'].'/utils/xhprof_lib.php'; 37 require_once $GLOBALS['XHPROF_LIB_ROOT'].'/utils/callgraph_utils.php'; 38 require_once $GLOBALS['XHPROF_LIB_ROOT'].'/utils/xhprof_runs.php'; 39 40 41 /** 42 * Our coding convention disallows relative paths in hrefs. 43 * Get the base URL path from the SCRIPT_NAME. 44 */ 45 $base_path = rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\'); 46 $base_url = htmlentities($_SERVER['SCRIPT_NAME']); 47 48 /** 49 * Generate references to required stylesheets & javascript. 50 * 51 * If the calling script (such as index.php) resides in 52 * a different location that than 'xhprof_html' directory the 53 * caller must provide the URL path to 'xhprof_html' directory 54 * so that the correct location of the style sheets/javascript 55 * can be specified in the generated HTML. 56 * 57 */ 58 function xhprof_include_js_css($ui_dir_url_path = null) { 59 global $base_path; 60 61 if (empty($ui_dir_url_path)) { 62 $ui_dir_url_path = $base_path; 63 } 64 65 // style sheets 66 echo "<link href='$ui_dir_url_path/css/xhprof.css' rel='stylesheet' ". 67 " type='text/css' />"; 68 echo "<link href='$ui_dir_url_path/jquery/jquery.tooltip.css' ". 69 " rel='stylesheet' type='text/css' />"; 70 echo "<link href='$ui_dir_url_path/jquery/jquery.autocomplete.css' ". 71 " rel='stylesheet' type='text/css' />"; 72 73 // javascript 74 echo "<script src='$ui_dir_url_path/jquery/jquery-1.2.6.js'>". 75 "</script>"; 76 echo "<script src='$ui_dir_url_path/jquery/jquery.tooltip.js'>". 77 "</script>"; 78 echo "<script src='$ui_dir_url_path/jquery/jquery.autocomplete.js'>" 79 ."</script>"; 80 echo "<script src='$ui_dir_url_path/js/xhprof_report.js'></script>"; 81 } 82 83 84 /* 85 * Formats call counts for XHProf reports. 86 * 87 * Description: 88 * Call counts in single-run reports are integer values. 89 * However, call counts for aggregated reports can be 90 * fractional. This function will print integer values 91 * without decimal point, but with commas etc. 92 * 93 * 4000 ==> 4,000 94 * 95 * It'll round fractional values to decimal precision of 3 96 * 4000.1212 ==> 4,000.121 97 * 4000.0001 ==> 4,000 98 * 99 */ 100 function xhprof_count_format($num) { 101 $num = round($num, 3); 102 if (round($num) == $num) { 103 return number_format($num); 104 } else { 105 return number_format($num, 3); 106 } 107 } 108 109 function xhprof_percent_format($s, $precision = 1) { 110 return sprintf('%.'.$precision.'f%%', 100 * $s); 111 } 112 113 /** 114 * Implodes the text for a bunch of actions (such as links, forms, 115 * into a HTML list and returns the text. 116 */ 117 function xhprof_render_actions($actions) { 118 $out = array(); 119 120 if (count($actions)) { 121 $out[] = '<ul class="xhprof_actions">'; 122 foreach ($actions as $action) { 123 $out[] = '<li>'.$action.'</li>'; 124 } 125 $out[] = '</ul>'; 126 } 127 128 return implode('', $out); 129 } 130 131 132 /** 133 * @param html-str $content the text/image/innerhtml/whatever for the link 134 * @param raw-str $href 135 * @param raw-str $class 136 * @param raw-str $id 137 * @param raw-str $title 138 * @param raw-str $target 139 * @param raw-str $onclick 140 * @param raw-str $style 141 * @param raw-str $access 142 * @param raw-str $onmouseover 143 * @param raw-str $onmouseout 144 * @param raw-str $onmousedown 145 * @param raw-str $dir 146 * @param raw-str $rel 147 */ 148 function xhprof_render_link($content, $href, $class='', $id='', $title='', 149 $target='', 150 $onclick='', $style='', $access='', $onmouseover='', 151 $onmouseout='', $onmousedown='') { 152 153 if (!$content) { 154 return ''; 155 } 156 157 if ($href) { 158 $link = '<a href="' . ($href) . '"'; 159 } else { 160 $link = '<span'; 161 } 162 163 if ($class) { 164 $link .= ' class="' . ($class) . '"'; 165 } 166 if ($id) { 167 $link .= ' id="' . ($id) . '"'; 168 } 169 if ($title) { 170 $link .= ' title="' . ($title) . '"'; 171 } 172 if ($target) { 173 $link .= ' target="' . ($target) . '"'; 174 } 175 if ($onclick && $href) { 176 $link .= ' onclick="' . ($onclick) . '"'; 177 } 178 if ($style && $href) { 179 $link .= ' style="' . ($style) . '"'; 180 } 181 if ($access && $href) { 182 $link .= ' accesskey="' . ($access) . '"'; 183 } 184 if ($onmouseover) { 185 $link .= ' onmouseover="' . ($onmouseover) . '"'; 186 } 187 if ($onmouseout) { 188 $link .= ' onmouseout="' . ($onmouseout) . '"'; 189 } 190 if ($onmousedown) { 191 $link .= ' onmousedown="' . ($onmousedown) . '"'; 192 } 193 194 $link .= '>'; 195 $link .= $content; 196 if ($href) { 197 $link .= '</a>'; 198 } else { 199 $link .= '</span>'; 200 } 201 202 return $link; 203 } 204 205 206 // default column to sort on -- wall time 207 $sort_col = "wt"; 208 209 // default is "single run" report 210 $diff_mode = false; 211 212 // call count data present? 213 $display_calls = true; 214 215 // The following column headers are sortable 216 $sortable_columns = array("fn" => 1, 217 "ct" => 1, 218 "wt" => 1, 219 "excl_wt" => 1, 220 "ut" => 1, 221 "excl_ut" => 1, 222 "st" => 1, 223 "excl_st" => 1, 224 "mu" => 1, 225 "excl_mu" => 1, 226 "pmu" => 1, 227 "excl_pmu" => 1, 228 "cpu" => 1, 229 "excl_cpu" => 1, 230 "samples" => 1, 231 "excl_samples" => 1 232 ); 233 234 // Textual descriptions for column headers in "single run" mode 235 $descriptions = array( 236 "fn" => "Function Name", 237 "ct" => "Calls", 238 "Calls%" => "Calls%", 239 240 "wt" => "Incl. Wall Time<br>(microsec)", 241 "IWall%" => "IWall%", 242 "excl_wt" => "Excl. Wall Time<br>(microsec)", 243 "EWall%" => "EWall%", 244 245 "ut" => "Incl. User<br>(microsecs)", 246 "IUser%" => "IUser%", 247 "excl_ut" => "Excl. User<br>(microsec)", 248 "EUser%" => "EUser%", 249 250 "st" => "Incl. Sys <br>(microsec)", 251 "ISys%" => "ISys%", 252 "excl_st" => "Excl. Sys <br>(microsec)", 253 "ESys%" => "ESys%", 254 255 "cpu" => "Incl. CPU<br>(microsecs)", 256 "ICpu%" => "ICpu%", 257 "excl_cpu" => "Excl. CPU<br>(microsec)", 258 "ECpu%" => "ECPU%", 259 260 "mu" => "Incl.<br>MemUse<br>(bytes)", 261 "IMUse%" => "IMemUse%", 262 "excl_mu" => "Excl.<br>MemUse<br>(bytes)", 263 "EMUse%" => "EMemUse%", 264 265 "pmu" => "Incl.<br> PeakMemUse<br>(bytes)", 266 "IPMUse%" => "IPeakMemUse%", 267 "excl_pmu" => "Excl.<br>PeakMemUse<br>(bytes)", 268 "EPMUse%" => "EPeakMemUse%", 269 270 "samples" => "Incl. Samples", 271 "ISamples%" => "ISamples%", 272 "excl_samples" => "Excl. Samples", 273 "ESamples%" => "ESamples%", 274 ); 275 276 // Formatting Callback Functions... 277 $format_cbk = array( 278 "fn" => "", 279 "ct" => "xhprof_count_format", 280 "Calls%" => "xhprof_percent_format", 281 282 "wt" => "number_format", 283 "IWall%" => "xhprof_percent_format", 284 "excl_wt" => "number_format", 285 "EWall%" => "xhprof_percent_format", 286 287 "ut" => "number_format", 288 "IUser%" => "xhprof_percent_format", 289 "excl_ut" => "number_format", 290 "EUser%" => "xhprof_percent_format", 291 292 "st" => "number_format", 293 "ISys%" => "xhprof_percent_format", 294 "excl_st" => "number_format", 295 "ESys%" => "xhprof_percent_format", 296 297 "cpu" => "number_format", 298 "ICpu%" => "xhprof_percent_format", 299 "excl_cpu" => "number_format", 300 "ECpu%" => "xhprof_percent_format", 301 302 "mu" => "number_format", 303 "IMUse%" => "xhprof_percent_format", 304 "excl_mu" => "number_format", 305 "EMUse%" => "xhprof_percent_format", 306 307 "pmu" => "number_format", 308 "IPMUse%" => "xhprof_percent_format", 309 "excl_pmu" => "number_format", 310 "EPMUse%" => "xhprof_percent_format", 311 312 "samples" => "number_format", 313 "ISamples%" => "xhprof_percent_format", 314 "excl_samples" => "number_format", 315 "ESamples%" => "xhprof_percent_format", 316 ); 317 318 319 // Textual descriptions for column headers in "diff" mode 320 $diff_descriptions = array( 321 "fn" => "Function Name", 322 "ct" => "Calls Diff", 323 "Calls%" => "Calls<br>Diff%", 324 325 "wt" => "Incl. Wall<br>Diff<br>(microsec)", 326 "IWall%" => "IWall<br> Diff%", 327 "excl_wt" => "Excl. Wall<br>Diff<br>(microsec)", 328 "EWall%" => "EWall<br>Diff%", 329 330 "ut" => "Incl. User Diff<br>(microsec)", 331 "IUser%" => "IUser<br>Diff%", 332 "excl_ut" => "Excl. User<br>Diff<br>(microsec)", 333 "EUser%" => "EUser<br>Diff%", 334 335 "cpu" => "Incl. CPU Diff<br>(microsec)", 336 "ICpu%" => "ICpu<br>Diff%", 337 "excl_cpu" => "Excl. CPU<br>Diff<br>(microsec)", 338 "ECpu%" => "ECpu<br>Diff%", 339 340 "st" => "Incl. Sys Diff<br>(microsec)", 341 "ISys%" => "ISys<br>Diff%", 342 "excl_st" => "Excl. Sys Diff<br>(microsec)", 343 "ESys%" => "ESys<br>Diff%", 344 345 "mu" => "Incl.<br>MemUse<br>Diff<br>(bytes)", 346 "IMUse%" => "IMemUse<br>Diff%", 347 "excl_mu" => "Excl.<br>MemUse<br>Diff<br>(bytes)", 348 "EMUse%" => "EMemUse<br>Diff%", 349 350 "pmu" => "Incl.<br> PeakMemUse<br>Diff<br>(bytes)", 351 "IPMUse%" => "IPeakMemUse<br>Diff%", 352 "excl_pmu" => "Excl.<br>PeakMemUse<br>Diff<br>(bytes)", 353 "EPMUse%" => "EPeakMemUse<br>Diff%", 354 355 "samples" => "Incl. Samples Diff", 356 "ISamples%" => "ISamples Diff%", 357 "excl_samples" => "Excl. Samples Diff", 358 "ESamples%" => "ESamples Diff%", 359 ); 360 361 // columns that'll be displayed in a top-level report 362 $stats = array(); 363 364 // columns that'll be displayed in a function's parent/child report 365 $pc_stats = array(); 366 367 // Various total counts 368 $totals = 0; 369 $totals_1 = 0; 370 $totals_2 = 0; 371 372 /* 373 * The subset of $possible_metrics that is present in the raw profile data. 374 */ 375 $metrics = null; 376 377 /** 378 * Callback comparison operator (passed to usort() for sorting array of 379 * tuples) that compares array elements based on the sort column 380 * specified in $sort_col (global parameter). 381 * 382 * @author Kannan 383 */ 384 function sort_cbk($a, $b) { 385 global $sort_col; 386 global $diff_mode; 387 388 if ($sort_col == "fn") { 389 390 // case insensitive ascending sort for function names 391 $left = strtoupper($a["fn"]); 392 $right = strtoupper($b["fn"]); 393 394 if ($left == $right) 395 return 0; 396 return ($left < $right) ? -1 : 1; 397 398 } else { 399 400 // descending sort for all others 401 $left = $a[$sort_col]; 402 $right = $b[$sort_col]; 403 404 // if diff mode, sort by absolute value of regression/improvement 405 if ($diff_mode) { 406 $left = abs($left); 407 $right = abs($right); 408 } 409 410 if ($left == $right) 411 return 0; 412 return ($left > $right) ? -1 : 1; 413 } 414 } 415 416 /** 417 * Get the appropriate description for a statistic 418 * (depending upon whether we are in diff report mode 419 * or single run report mode). 420 * 421 * @author Kannan 422 */ 423 function stat_description($stat) { 424 global $descriptions; 425 global $diff_descriptions; 426 global $diff_mode; 427 428 if ($diff_mode) { 429 return $diff_descriptions[$stat]; 430 } else { 431 return $descriptions[$stat]; 432 } 433 } 434 435 436 /** 437 * Analyze raw data & generate the profiler report 438 * (common for both single run mode and diff mode). 439 * 440 * @author: Kannan 441 */ 442 function profiler_report ($url_params, 443 $rep_symbol, 444 $sort, 445 $run1, 446 $run1_desc, 447 $run1_data, 448 $run2 = 0, 449 $run2_desc = "", 450 $run2_data = array()) { 451 global $totals; 452 global $totals_1; 453 global $totals_2; 454 global $stats; 455 global $pc_stats; 456 global $diff_mode; 457 global $base_url; 458 459 // if we are reporting on a specific function, we can trim down 460 // the report(s) to just stuff that is relevant to this function. 461 // That way compute_flat_info()/compute_diff() etc. do not have 462 // to needlessly work hard on churning irrelevant data. 463 if (!empty($rep_symbol)) { 464 $run1_data = xhprof_trim_run($run1_data, array($rep_symbol)); 465 if ($diff_mode) { 466 $run2_data = xhprof_trim_run($run2_data, array($rep_symbol)); 467 } 468 } 469 470 if ($diff_mode) { 471 $run_delta = xhprof_compute_diff($run1_data, $run2_data); 472 $symbol_tab = xhprof_compute_flat_info($run_delta, $totals); 473 $symbol_tab1 = xhprof_compute_flat_info($run1_data, $totals_1); 474 $symbol_tab2 = xhprof_compute_flat_info($run2_data, $totals_2); 475 } else { 476 $symbol_tab = xhprof_compute_flat_info($run1_data, $totals); 477 } 478 479 $run1_txt = sprintf("<b>Run #%s:</b> %s", 480 $run1, $run1_desc); 481 482 $base_url_params = xhprof_array_unset(xhprof_array_unset($url_params, 483 'symbol'), 484 'all'); 485 486 $top_link_query_string = "$base_url?" . http_build_query($base_url_params); 487 488 if ($diff_mode) { 489 $diff_text = "Diff"; 490 $base_url_params = xhprof_array_unset($base_url_params, 'run1'); 491 $base_url_params = xhprof_array_unset($base_url_params, 'run2'); 492 $run1_link = xhprof_render_link('View Run #' . $run1, 493 "$base_url?" . 494 http_build_query(xhprof_array_set($base_url_params, 495 'run', 496 $run1))); 497 $run2_txt = sprintf("<b>Run #%s:</b> %s", 498 $run2, $run2_desc); 499 500 $run2_link = xhprof_render_link('View Run #' . $run2, 501 "$base_url?" . 502 http_build_query(xhprof_array_set($base_url_params, 503 'run', 504 $run2))); 505 } else { 506 $diff_text = "Run"; 507 } 508 509 // set up the action links for operations that can be done on this report 510 $links = array(); 511 $links [] = xhprof_render_link("View Top Level $diff_text Report", 512 $top_link_query_string); 513 514 if ($diff_mode) { 515 $inverted_params = $url_params; 516 $inverted_params['run1'] = $url_params['run2']; 517 $inverted_params['run2'] = $url_params['run1']; 518 519 // view the different runs or invert the current diff 520 $links [] = $run1_link; 521 $links [] = $run2_link; 522 $links [] = xhprof_render_link('Invert ' . $diff_text . ' Report', 523 "$base_url?". 524 http_build_query($inverted_params)); 525 } 526 527 // lookup function typeahead form 528 $links [] = '<input class="function_typeahead" ' . 529 ' type="input" size="40" maxlength="100" />'; 530 531 echo xhprof_render_actions($links); 532 533 534 echo 535 '<dl class=phprof_report_info>' . 536 ' <dt>' . $diff_text . ' Report</dt>' . 537 ' <dd>' . ($diff_mode ? 538 $run1_txt . '<br><b>vs.</b><br>' . $run2_txt : 539 $run1_txt) . 540 ' </dd>' . 541 ' <dt>Tip</dt>' . 542 ' <dd>Click a function name below to drill down.</dd>' . 543 '</dl>' . 544 '<div style="clear: both; margin: 3em 0em;"></div>'; 545 546 // data tables 547 if (!empty($rep_symbol)) { 548 if (!isset($symbol_tab[$rep_symbol])) { 549 echo "<hr>Symbol <b>$rep_symbol</b> not found in XHProf run</b><hr>"; 550 return; 551 } 552 553 /* single function report with parent/child information */ 554 if ($diff_mode) { 555 $info1 = isset($symbol_tab1[$rep_symbol]) ? 556 $symbol_tab1[$rep_symbol] : null; 557 $info2 = isset($symbol_tab2[$rep_symbol]) ? 558 $symbol_tab2[$rep_symbol] : null; 559 symbol_report($url_params, $run_delta, $symbol_tab[$rep_symbol], 560 $sort, $rep_symbol, 561 $run1, $info1, 562 $run2, $info2); 563 } else { 564 symbol_report($url_params, $run1_data, $symbol_tab[$rep_symbol], 565 $sort, $rep_symbol, $run1); 566 } 567 } else { 568 /* flat top-level report of all functions */ 569 full_report($url_params, $symbol_tab, $sort, $run1, $run2); 570 } 571 } 572 573 /** 574 * Computes percentage for a pair of values, and returns it 575 * in string format. 576 */ 577 function pct($a, $b) { 578 if ($b == 0) { 579 return "N/A"; 580 } else { 581 $res = (round(($a * 1000 / $b)) / 10); 582 return $res; 583 } 584 } 585 586 /** 587 * Given a number, returns the td class to use for display. 588 * 589 * For instance, negative numbers in diff reports comparing two runs (run1 & run2) 590 * represent improvement from run1 to run2. We use green to display those deltas, 591 * and red for regression deltas. 592 */ 593 function get_print_class($num, $bold) { 594 global $vbar; 595 global $vbbar; 596 global $vrbar; 597 global $vgbar; 598 global $diff_mode; 599 600 if ($bold) { 601 if ($diff_mode) { 602 if ($num <= 0) { 603 $class = $vgbar; // green (improvement) 604 } else { 605 $class = $vrbar; // red (regression) 606 } 607 } else { 608 $class = $vbbar; // blue 609 } 610 } 611 else { 612 $class = $vbar; // default (black) 613 } 614 615 return $class; 616 } 617 618 /** 619 * Prints a <td> element with a numeric value. 620 */ 621 function print_td_num($num, $fmt_func, $bold=false, $attributes=null) { 622 623 $class = get_print_class($num, $bold); 624 625 if (!empty($fmt_func) && is_numeric($num) ) { 626 $num = call_user_func($fmt_func, $num); 627 } 628 629 print("<td $attributes $class>$num</td>\n"); 630 } 631 632 /** 633 * Prints a <td> element with a pecentage. 634 */ 635 function print_td_pct($numer, $denom, $bold=false, $attributes=null) { 636 global $vbar; 637 global $vbbar; 638 global $diff_mode; 639 640 $class = get_print_class($numer, $bold); 641 642 if ($denom == 0) { 643 $pct = "N/A%"; 644 } else { 645 $pct = xhprof_percent_format($numer / abs($denom)); 646 } 647 648 print("<td $attributes $class>$pct</td>\n"); 649 } 650 651 /** 652 * Print "flat" data corresponding to one function. 653 * 654 * @author Kannan 655 */ 656 function print_function_info($url_params, $info, $sort, $run1, $run2) { 657 static $odd_even = 0; 658 659 global $totals; 660 global $sort_col; 661 global $metrics; 662 global $format_cbk; 663 global $display_calls; 664 global $base_url; 665 666 // Toggle $odd_or_even 667 $odd_even = 1 - $odd_even; 668 669 if ($odd_even) { 670 print("<tr>"); 671 } 672 else { 673 print('<tr bgcolor="#e5e5e5">'); 674 } 675 676 $href = "$base_url?" . 677 http_build_query(xhprof_array_set($url_params, 678 'symbol', $info["fn"])); 679 680 print('<td>'); 681 print(xhprof_render_link($info["fn"], $href)); 682 print_source_link($info); 683 print("</td>\n"); 684 685 if ($display_calls) { 686 // Call Count.. 687 print_td_num($info["ct"], $format_cbk["ct"], ($sort_col == "ct")); 688 print_td_pct($info["ct"], $totals["ct"], ($sort_col == "ct")); 689 } 690 691 // Other metrics.. 692 foreach ($metrics as $metric) { 693 // Inclusive metric 694 print_td_num($info[$metric], $format_cbk[$metric], 695 ($sort_col == $metric)); 696 print_td_pct($info[$metric], $totals[$metric], 697 ($sort_col == $metric)); 698 699 // Exclusive Metric 700 print_td_num($info["excl_" . $metric], 701 $format_cbk["excl_" . $metric], 702 ($sort_col == "excl_" . $metric)); 703 print_td_pct($info["excl_" . $metric], 704 $totals[$metric], 705 ($sort_col == "excl_" . $metric)); 706 } 707 708 print("</tr>\n"); 709 } 710 711 /** 712 * Print non-hierarchical (flat-view) of profiler data. 713 * 714 * @author Kannan 715 */ 716 function print_flat_data($url_params, $title, $flat_data, $sort, $run1, $run2, $limit) { 717 718 global $stats; 719 global $sortable_columns; 720 global $vwbar; 721 global $base_url; 722 723 $size = count($flat_data); 724 if (!$limit) { // no limit 725 $limit = $size; 726 $display_link = ""; 727 } else { 728 $display_link = xhprof_render_link(" [ <b class=bubble>display all </b>]", 729 "$base_url?" . 730 http_build_query(xhprof_array_set($url_params, 731 'all', 1))); 732 } 733 734 print("<h3 align=center>$title $display_link</h3><br>"); 735 736 print('<table border=1 cellpadding=2 cellspacing=1 width="90%" ' 737 .'rules=rows bordercolor="#bdc7d8" align=center>'); 738 print('<tr bgcolor="#bdc7d8" align=right>'); 739 740 foreach ($stats as $stat) { 741 $desc = stat_description($stat); 742 if (array_key_exists($stat, $sortable_columns)) { 743 $href = "$base_url?" 744 . http_build_query(xhprof_array_set($url_params, 'sort', $stat)); 745 $header = xhprof_render_link($desc, $href); 746 } else { 747 $header = $desc; 748 } 749 750 if ($stat == "fn") 751 print("<th align=left><nobr>$header</th>"); 752 else print("<th " . $vwbar . "><nobr>$header</th>"); 753 } 754 print("</tr>\n"); 755 756 if ($limit >= 0) { 757 $limit = min($size, $limit); 758 for ($i = 0; $i < $limit; $i++) { 759 print_function_info($url_params, $flat_data[$i], $sort, $run1, $run2); 760 } 761 } else { 762 // if $limit is negative, print abs($limit) items starting from the end 763 $limit = min($size, abs($limit)); 764 for ($i = 0; $i < $limit; $i++) { 765 print_function_info($url_params, $flat_data[$size - $i - 1], $sort, $run1, $run2); 766 } 767 } 768 print("</table>"); 769 770 // let's print the display all link at the bottom as well... 771 if ($display_link) { 772 echo '<div style="text-align: left; padding: 2em">' . $display_link . '</div>'; 773 } 774 775 } 776 777 /** 778 * Generates a tabular report for all functions. This is the top-level report. 779 * 780 * @author Kannan 781 */ 782 function full_report($url_params, $symbol_tab, $sort, $run1, $run2) { 783 global $vwbar; 784 global $vbar; 785 global $totals; 786 global $totals_1; 787 global $totals_2; 788 global $metrics; 789 global $diff_mode; 790 global $descriptions; 791 global $sort_col; 792 global $format_cbk; 793 global $display_calls; 794 global $base_path; 795 global $base_url; 796 797 $possible_metrics = xhprof_get_possible_metrics(); 798 799 if ($diff_mode) { 800 801 $base_url_params = xhprof_array_unset(xhprof_array_unset($url_params, 802 'run1'), 803 'run2'); 804 $href1 = "$base_url?" . 805 http_build_query(xhprof_array_set($base_url_params, 806 'run', $run1)); 807 $href2 = "$base_url?" . 808 http_build_query(xhprof_array_set($base_url_params, 809 'run', $run2)); 810 811 print("<h3><center>Overall Diff Summary</center></h3>"); 812 print('<table border=1 cellpadding=2 cellspacing=1 width="30%" ' 813 .'rules=rows bordercolor="#bdc7d8" align=center>' . "\n"); 814 print('<tr bgcolor="#bdc7d8" align=right>'); 815 print("<th></th>"); 816 print("<th $vwbar>" . xhprof_render_link("Run #$run1", $href1) . "</th>"); 817 print("<th $vwbar>" . xhprof_render_link("Run #$run2", $href2) . "</th>"); 818 print("<th $vwbar>Diff</th>"); 819 print("<th $vwbar>Diff%</th>"); 820 print('</tr>'); 821 822 if ($display_calls) { 823 print('<tr>'); 824 print("<td>Number of Function Calls</td>"); 825 print_td_num($totals_1["ct"], $format_cbk["ct"]); 826 print_td_num($totals_2["ct"], $format_cbk["ct"]); 827 print_td_num($totals_2["ct"] - $totals_1["ct"], $format_cbk["ct"], true); 828 print_td_pct($totals_2["ct"] - $totals_1["ct"], $totals_1["ct"], true); 829 print('</tr>'); 830 } 831 832 foreach ($metrics as $metric) { 833 $m = $metric; 834 print('<tr>'); 835 print("<td>" . str_replace("<br>", " ", $descriptions[$m]) . "</td>"); 836 print_td_num($totals_1[$m], $format_cbk[$m]); 837 print_td_num($totals_2[$m], $format_cbk[$m]); 838 print_td_num($totals_2[$m] - $totals_1[$m], $format_cbk[$m], true); 839 print_td_pct($totals_2[$m] - $totals_1[$m], $totals_1[$m], true); 840 print('<tr>'); 841 } 842 print('</table>'); 843 844 $callgraph_report_title = '[View Regressions/Improvements using Callgraph Diff]'; 845 846 } else { 847 print("<p><center>\n"); 848 849 print('<table cellpadding=2 cellspacing=1 width="30%" ' 850 .'bgcolor="#bdc7d8" align=center>' . "\n"); 851 echo "<tr>"; 852 echo "<th style='text-align:right'>Overall Summary</th>"; 853 echo "<th></th>"; 854 echo "</tr>"; 855 856 foreach ($metrics as $metric) { 857 echo "<tr>"; 858 echo "<td style='text-align:right; font-weight:bold'>Total " 859 . str_replace("<br>", " ", stat_description($metric)) . ":</td>"; 860 echo "<td>" . number_format($totals[$metric]) . " " 861 . $possible_metrics[$metric][1] . "</td>"; 862 echo "</tr>"; 863 } 864 865 if ($display_calls) { 866 echo "<tr>"; 867 echo "<td style='text-align:right; font-weight:bold'>Number of Function Calls:</td>"; 868 echo "<td>" . number_format($totals['ct']) . "</td>"; 869 echo "</tr>"; 870 } 871 872 echo "</table>"; 873 print("</center></p>\n"); 874 875 $callgraph_report_title = '[View Full Callgraph]'; 876 } 877 878 print("<center><br><h3>" . 879 xhprof_render_link($callgraph_report_title, 880 "$base_path/callgraph.php" . "?" . http_build_query($url_params)) 881 . "</h3></center>"); 882 883 884 $flat_data = array(); 885 foreach ($symbol_tab as $symbol => $info) { 886 $tmp = $info; 887 $tmp["fn"] = $symbol; 888 $flat_data[] = $tmp; 889 } 890 usort($flat_data, 'sort_cbk'); 891 892 print("<br>"); 893 894 if (!empty($url_params['all'])) { 895 $all = true; 896 $limit = 0; // display all rows 897 } else { 898 $all = false; 899 $limit = 100; // display only limited number of rows 900 } 901 902 $desc = str_replace("<br>", " ", $descriptions[$sort_col]); 903 904 if ($diff_mode) { 905 if ($all) { 906 $title = "Total Diff Report: ' 907 .'Sorted by absolute value of regression/improvement in $desc"; 908 } else { 909 $title = "Top 100 <i style='color:red'>Regressions</i>/" 910 . "<i style='color:green'>Improvements</i>: " 911 . "Sorted by $desc Diff"; 912 } 913 } else { 914 if ($all) { 915 $title = "Sorted by $desc"; 916 } else { 917 $title = "Displaying top $limit functions: Sorted by $desc"; 918 } 919 } 920 print_flat_data($url_params, $title, $flat_data, $sort, $run1, $run2, $limit); 921 } 922 923 924 /** 925 * Return attribute names and values to be used by javascript tooltip. 926 */ 927 function get_tooltip_attributes($type, $metric) { 928 return "type='$type' metric='$metric'"; 929 } 930 931 /** 932 * Print info for a parent or child function in the 933 * parent & children report. 934 * 935 * @author Kannan 936 */ 937 function pc_info($info, $base_ct, $base_info, $parent) { 938 global $sort_col; 939 global $metrics; 940 global $format_cbk; 941 global $display_calls; 942 943 if ($parent) 944 $type = "Parent"; 945 else $type = "Child"; 946 947 if ($display_calls) { 948 $mouseoverct = get_tooltip_attributes($type, "ct"); 949 /* call count */ 950 print_td_num($info["ct"], $format_cbk["ct"], ($sort_col == "ct"), $mouseoverct); 951 print_td_pct($info["ct"], $base_ct, ($sort_col == "ct"), $mouseoverct); 952 } 953 954 /* Inclusive metric values */ 955 foreach ($metrics as $metric) { 956 print_td_num($info[$metric], $format_cbk[$metric], 957 ($sort_col == $metric), 958 get_tooltip_attributes($type, $metric)); 959 print_td_pct($info[$metric], $base_info[$metric], ($sort_col == $metric), 960 get_tooltip_attributes($type, $metric)); 961 } 962 } 963 964 function print_pc_array($url_params, $results, $base_ct, $base_info, $parent, 965 $run1, $run2) { 966 global $base_url; 967 968 // Construct section title 969 if ($parent) { 970 $title = 'Parent function'; 971 } 972 else { 973 $title = 'Child function'; 974 } 975 if (count($results) > 1) { 976 $title .= 's'; 977 } 978 979 print("<tr bgcolor='#e0e0ff'><td>"); 980 print("<b><i><center>" . $title . "</center></i></b>"); 981 print("</td></tr>"); 982 983 $odd_even = 0; 984 foreach ($results as $info) { 985 $href = "$base_url?" . 986 http_build_query(xhprof_array_set($url_params, 987 'symbol', $info["fn"])); 988 989 $odd_even = 1 - $odd_even; 990 991 if ($odd_even) { 992 print('<tr>'); 993 } 994 else { 995 print('<tr bgcolor="#e5e5e5">'); 996 } 997 998 print("<td>" . xhprof_render_link($info["fn"], $href)); 999 print_source_link($info); 1000 print("</td>"); 1001 pc_info($info, $base_ct, $base_info, $parent); 1002 print("</tr>"); 1003 } 1004 } 1005 1006 function print_source_link($info) { 1007 if (strncmp($info['fn'], 'run_init', 8) && $info['fn'] !== 'main()') { 1008 if (defined('XHPROF_SYMBOL_LOOKUP_URL')) { 1009 $link = xhprof_render_link( 1010 'source', 1011 XHPROF_SYMBOL_LOOKUP_URL . '?symbol='.rawurlencode($info["fn"])); 1012 print(' ('.$link.')'); 1013 } 1014 } 1015 } 1016 1017 1018 function print_symbol_summary($symbol_info, $stat, $base) { 1019 1020 $val = $symbol_info[$stat]; 1021 $desc = str_replace("<br>", " ", stat_description($stat)); 1022 1023 print("$desc: </td>"); 1024 print(number_format($val)); 1025 print(" (" . pct($val, $base) . "% of overall)"); 1026 if (substr($stat, 0, 4) == "excl") { 1027 $func_base = $symbol_info[str_replace("excl_", "", $stat)]; 1028 print(" (" . pct($val, $func_base) . "% of this function)"); 1029 } 1030 print("<br>"); 1031 } 1032 1033 /** 1034 * Generates a report for a single function/symbol. 1035 * 1036 * @author Kannan 1037 */ 1038 function symbol_report($url_params, 1039 $run_data, $symbol_info, $sort, $rep_symbol, 1040 $run1, 1041 $symbol_info1 = null, 1042 $run2 = 0, 1043 $symbol_info2 = null) { 1044 global $vwbar; 1045 global $vbar; 1046 global $totals; 1047 global $pc_stats; 1048 global $sortable_columns; 1049 global $metrics; 1050 global $diff_mode; 1051 global $descriptions; 1052 global $format_cbk; 1053 global $sort_col; 1054 global $display_calls; 1055 global $base_path; 1056 global $base_url; 1057 1058 $possible_metrics = xhprof_get_possible_metrics(); 1059 1060 if ($diff_mode) { 1061 $diff_text = "<b>Diff</b>"; 1062 $regr_impr = "<i style='color:red'>Regression</i>/<i style='color:green'>Improvement</i>"; 1063 } else { 1064 $diff_text = ""; 1065 $regr_impr = ""; 1066 } 1067 1068 if ($diff_mode) { 1069 1070 $base_url_params = xhprof_array_unset(xhprof_array_unset($url_params, 1071 'run1'), 1072 'run2'); 1073 $href1 = "$base_url?" 1074 . http_build_query(xhprof_array_set($base_url_params, 'run', $run1)); 1075 $href2 = "$base_url?" 1076 . http_build_query(xhprof_array_set($base_url_params, 'run', $run2)); 1077 1078 print("<h3 align=center>$regr_impr summary for $rep_symbol<br><br></h3>"); 1079 print('<table border=1 cellpadding=2 cellspacing=1 width="30%" ' 1080 .'rules=rows bordercolor="#bdc7d8" align=center>' . "\n"); 1081 print('<tr bgcolor="#bdc7d8" align=right>'); 1082 print("<th align=left>$rep_symbol</th>"); 1083 print("<th $vwbar><a href=" . $href1 . ">Run #$run1</a></th>"); 1084 print("<th $vwbar><a href=" . $href2 . ">Run #$run2</a></th>"); 1085 print("<th $vwbar>Diff</th>"); 1086 print("<th $vwbar>Diff%</th>"); 1087 print('</tr>'); 1088 print('<tr>'); 1089 1090 if ($display_calls) { 1091 print("<td>Number of Function Calls</td>"); 1092 print_td_num($symbol_info1["ct"], $format_cbk["ct"]); 1093 print_td_num($symbol_info2["ct"], $format_cbk["ct"]); 1094 print_td_num($symbol_info2["ct"] - $symbol_info1["ct"], 1095 $format_cbk["ct"], true); 1096 print_td_pct($symbol_info2["ct"] - $symbol_info1["ct"], 1097 $symbol_info1["ct"], true); 1098 print('</tr>'); 1099 } 1100 1101 1102 foreach ($metrics as $metric) { 1103 $m = $metric; 1104 1105 // Inclusive stat for metric 1106 print('<tr>'); 1107 print("<td>" . str_replace("<br>", " ", $descriptions[$m]) . "</td>"); 1108 print_td_num($symbol_info1[$m], $format_cbk[$m]); 1109 print_td_num($symbol_info2[$m], $format_cbk[$m]); 1110 print_td_num($symbol_info2[$m] - $symbol_info1[$m], $format_cbk[$m], true); 1111 print_td_pct($symbol_info2[$m] - $symbol_info1[$m], $symbol_info1[$m], true); 1112 print('</tr>'); 1113 1114 // AVG (per call) Inclusive stat for metric 1115 print('<tr>'); 1116 print("<td>" . str_replace("<br>", " ", $descriptions[$m]) . " per call </td>"); 1117 $avg_info1 = 'N/A'; 1118 $avg_info2 = 'N/A'; 1119 if ($symbol_info1['ct'] > 0) { 1120 $avg_info1 = ($symbol_info1[$m] / $symbol_info1['ct']); 1121 } 1122 if ($symbol_info2['ct'] > 0) { 1123 $avg_info2 = ($symbol_info2[$m] / $symbol_info2['ct']); 1124 } 1125 print_td_num($avg_info1, $format_cbk[$m]); 1126 print_td_num($avg_info2, $format_cbk[$m]); 1127 print_td_num($avg_info2 - $avg_info1, $format_cbk[$m], true); 1128 print_td_pct($avg_info2 - $avg_info1, $avg_info1, true); 1129 print('</tr>'); 1130 1131 // Exclusive stat for metric 1132 $m = "excl_" . $metric; 1133 print('<tr style="border-bottom: 1px solid black;">'); 1134 print("<td>" . str_replace("<br>", " ", $descriptions[$m]) . "</td>"); 1135 print_td_num($symbol_info1[$m], $format_cbk[$m]); 1136 print_td_num($symbol_info2[$m], $format_cbk[$m]); 1137 print_td_num($symbol_info2[$m] - $symbol_info1[$m], $format_cbk[$m], true); 1138 print_td_pct($symbol_info2[$m] - $symbol_info1[$m], $symbol_info1[$m], true); 1139 print('</tr>'); 1140 } 1141 1142 print('</table>'); 1143 } 1144 1145 print("<br><h4><center>"); 1146 print("Parent/Child $regr_impr report for <b>$rep_symbol</b>"); 1147 1148 $callgraph_href = "$base_path/callgraph.php?" 1149 . http_build_query(xhprof_array_set($url_params, 'func', $rep_symbol)); 1150 1151 print(" <a href='$callgraph_href'>[View Callgraph $diff_text]</a><br>"); 1152 1153 print("</center></h4><br>"); 1154 1155 print('<table border=1 cellpadding=2 cellspacing=1 width="90%" ' 1156 .'rules=rows bordercolor="#bdc7d8" align=center>' . "\n"); 1157 print('<tr bgcolor="#bdc7d8" align=right>'); 1158 1159 foreach ($pc_stats as $stat) { 1160 $desc = stat_description($stat); 1161 if (array_key_exists($stat, $sortable_columns)) { 1162 1163 $href = "$base_url?" . 1164 http_build_query(xhprof_array_set($url_params, 1165 'sort', $stat)); 1166 $header = xhprof_render_link($desc, $href); 1167 } else { 1168 $header = $desc; 1169 } 1170 1171 if ($stat == "fn") 1172 print("<th align=left><nobr>$header</th>"); 1173 else print("<th " . $vwbar . "><nobr>$header</th>"); 1174 } 1175 print("</tr>"); 1176 1177 print("<tr bgcolor='#e0e0ff'><td>"); 1178 print("<b><i><center>Current Function</center></i></b>"); 1179 print("</td></tr>"); 1180 1181 print("<tr>"); 1182 // make this a self-reference to facilitate copy-pasting snippets to e-mails 1183 print("<td><a href=''>$rep_symbol</a>"); 1184 print_source_link(array('fn' => $rep_symbol)); 1185 print("</td>"); 1186 1187 if ($display_calls) { 1188 // Call Count 1189 print_td_num($symbol_info["ct"], $format_cbk["ct"]); 1190 print_td_pct($symbol_info["ct"], $totals["ct"]); 1191 } 1192 1193 // Inclusive Metrics for current function 1194 foreach ($metrics as $metric) { 1195 print_td_num($symbol_info[$metric], $format_cbk[$metric], ($sort_col == $metric)); 1196 print_td_pct($symbol_info[$metric], $totals[$metric], ($sort_col == $metric)); 1197 } 1198 print("</tr>"); 1199 1200 print("<tr bgcolor='#ffffff'>"); 1201 print("<td style='text-align:right;color:blue'>" 1202 ."Exclusive Metrics $diff_text for Current Function</td>"); 1203 1204 if ($display_calls) { 1205 // Call Count 1206 print("<td $vbar></td>"); 1207 print("<td $vbar></td>"); 1208 } 1209 1210 // Exclusive Metrics for current function 1211 foreach ($metrics as $metric) { 1212 print_td_num($symbol_info["excl_" . $metric], $format_cbk["excl_" . $metric], 1213 ($sort_col == $metric), 1214 get_tooltip_attributes("Child", $metric)); 1215 print_td_pct($symbol_info["excl_" . $metric], $symbol_info[$metric], 1216 ($sort_col == $metric), 1217 get_tooltip_attributes("Child", $metric)); 1218 } 1219 print("</tr>"); 1220 1221 // list of callers/parent functions 1222 $results = array(); 1223 if ($display_calls) { 1224 $base_ct = $symbol_info["ct"]; 1225 } else { 1226 $base_ct = 0; 1227 } 1228 foreach ($metrics as $metric) { 1229 $base_info[$metric] = $symbol_info[$metric]; 1230 } 1231 foreach ($run_data as $parent_child => $info) { 1232 list($parent, $child) = xhprof_parse_parent_child($parent_child); 1233 if (($child == $rep_symbol) && ($parent)) { 1234 $info_tmp = $info; 1235 $info_tmp["fn"] = $parent; 1236 $results[] = $info_tmp; 1237 } 1238 } 1239 usort($results, 'sort_cbk'); 1240 1241 if (count($results) > 0) { 1242 print_pc_array($url_params, $results, $base_ct, $base_info, true, 1243 $run1, $run2); 1244 } 1245 1246 // list of callees/child functions 1247 $results = array(); 1248 $base_ct = 0; 1249 foreach ($run_data as $parent_child => $info) { 1250 list($parent, $child) = xhprof_parse_parent_child($parent_child); 1251 if ($parent == $rep_symbol) { 1252 $info_tmp = $info; 1253 $info_tmp["fn"] = $child; 1254 $results[] = $info_tmp; 1255 if ($display_calls) { 1256 $base_ct += $info["ct"]; 1257 } 1258 } 1259 } 1260 usort($results, 'sort_cbk'); 1261 1262 if (count($results)) { 1263 print_pc_array($url_params, $results, $base_ct, $base_info, false, 1264 $run1, $run2); 1265 } 1266 1267 print("</table>"); 1268 1269 // These will be used for pop-up tips/help. 1270 // Related javascript code is in: xhprof_report.js 1271 print("\n"); 1272 print('<script language="javascript">' . "\n"); 1273 print("var func_name = '\"" . $rep_symbol . "\"';\n"); 1274 print("var total_child_ct = " . $base_ct . ";\n"); 1275 if ($display_calls) { 1276 print("var func_ct = " . $symbol_info["ct"] . ";\n"); 1277 } 1278 print("var func_metrics = new Array();\n"); 1279 print("var metrics_col = new Array();\n"); 1280 print("var metrics_desc = new Array();\n"); 1281 if ($diff_mode) { 1282 print("var diff_mode = true;\n"); 1283 } else { 1284 print("var diff_mode = false;\n"); 1285 } 1286 $column_index = 3; // First three columns are Func Name, Calls, Calls% 1287 foreach ($metrics as $metric) { 1288 print("func_metrics[\"" . $metric . "\"] = " . round($symbol_info[$metric]) . ";\n"); 1289 print("metrics_col[\"". $metric . "\"] = " . $column_index . ";\n"); 1290 print("metrics_desc[\"". $metric . "\"] = \"" . $possible_metrics[$metric][2] . "\";\n"); 1291 1292 // each metric has two columns.. 1293 $column_index += 2; 1294 } 1295 print('</script>'); 1296 print("\n"); 1297 1298 } 1299 1300 /** 1301 * Generate the profiler report for a single run. 1302 * 1303 * @author Kannan 1304 */ 1305 function profiler_single_run_report ($url_params, 1306 $xhprof_data, 1307 $run_desc, 1308 $rep_symbol, 1309 $sort, 1310 $run) { 1311 1312 init_metrics($xhprof_data, $rep_symbol, $sort, false); 1313 1314 profiler_report($url_params, $rep_symbol, $sort, $run, $run_desc, 1315 $xhprof_data); 1316 } 1317 1318 1319 1320 /** 1321 * Generate the profiler report for diff mode (delta between two runs). 1322 * 1323 * @author Kannan 1324 */ 1325 function profiler_diff_report($url_params, 1326 $xhprof_data1, 1327 $run1_desc, 1328 $xhprof_data2, 1329 $run2_desc, 1330 $rep_symbol, 1331 $sort, 1332 $run1, 1333 $run2) { 1334 1335 1336 // Initialize what metrics we'll display based on data in Run2 1337 init_metrics($xhprof_data2, $rep_symbol, $sort, true); 1338 1339 profiler_report($url_params, 1340 $rep_symbol, 1341 $sort, 1342 $run1, 1343 $run1_desc, 1344 $xhprof_data1, 1345 $run2, 1346 $run2_desc, 1347 $xhprof_data2); 1348 } 1349 1350 1351 /** 1352 * Generate a XHProf Display View given the various URL parameters 1353 * as arguments. The first argument is an object that implements 1354 * the iXHProfRuns interface. 1355 * 1356 * @param object $xhprof_runs_impl An object that implements 1357 * the iXHProfRuns interface 1358 *. 1359 * @param array $url_params Array of non-default URL params. 1360 * 1361 * @param string $source Category/type of the run. The source in 1362 * combination with the run id uniquely 1363 * determines a profiler run. 1364 * 1365 * @param string $run run id, or comma separated sequence of 1366 * run ids. The latter is used if an aggregate 1367 * report of the runs is desired. 1368 * 1369 * @param string $wts Comma separate list of integers. 1370 * Represents the weighted ratio in 1371 * which which a set of runs will be 1372 * aggregated. [Used only for aggregate 1373 * reports.] 1374 * 1375 * @param string $symbol Function symbol. If non-empty then the 1376 * parent/child view of this function is 1377 * displayed. If empty, a flat-profile view 1378 * of the functions is displayed. 1379 * 1380 * @param string $run1 Base run id (for diff reports) 1381 * 1382 * @param string $run2 New run id (for diff reports) 1383 * 1384 */ 1385 function displayXHProfReport($xhprof_runs_impl, $url_params, $source, 1386 $run, $wts, $symbol, $sort, $run1, $run2) { 1387 1388 if ($run) { // specific run to display? 1389 1390 // run may be a single run or a comma separate list of runs 1391 // that'll be aggregated. If "wts" (a comma separated list 1392 // of integral weights is specified), the runs will be 1393 // aggregated in that ratio. 1394 // 1395 $runs_array = explode(",", $run); 1396 1397 if (count($runs_array) == 1) { 1398 $xhprof_data = $xhprof_runs_impl->get_run($runs_array[0], 1399 $source, 1400 $description); 1401 } else { 1402 if (!empty($wts)) { 1403 $wts_array = explode(",", $wts); 1404 } else { 1405 $wts_array = null; 1406 } 1407 $data = xhprof_aggregate_runs($xhprof_runs_impl, 1408 $runs_array, $wts_array, $source, false); 1409 $xhprof_data = $data['raw']; 1410 $description = $data['description']; 1411 } 1412 1413 1414 profiler_single_run_report($url_params, 1415 $xhprof_data, 1416 $description, 1417 $symbol, 1418 $sort, 1419 $run); 1420 1421 } else if ($run1 && $run2) { // diff report for two runs 1422 1423 $xhprof_data1 = $xhprof_runs_impl->get_run($run1, $source, $description1); 1424 $xhprof_data2 = $xhprof_runs_impl->get_run($run2, $source, $description2); 1425 1426 profiler_diff_report($url_params, 1427 $xhprof_data1, 1428 $description1, 1429 $xhprof_data2, 1430 $description2, 1431 $symbol, 1432 $sort, 1433 $run1, 1434 $run2); 1435 1436 } else { 1437 echo "No XHProf runs specified in the URL."; 1438 if (method_exists($xhprof_runs_impl, 'list_runs')) { 1439 $xhprof_runs_impl->list_runs(); 1440 } 1441 } 1442 }
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