Profiler improvements

tools/tickprocessor.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 136 matching lines @@
 
 function TickProcessor(
     cppEntriesProvider,
     separateIc,
     callGraphSize,
     ignoreUnknown,
     stateFilter,
     snapshotLogProcessor,
     distortion,
     range,
-    sourceMap) {
+    sourceMap,
+    timedRange) {
   LogReader.call(this, {
       'shared-library': { parsers: [null, parseInt, parseInt],
           processor: this.processSharedLibrary },
       'code-creation': {
           parsers: [null, parseInt, parseInt, parseInt, null, 'var-args'],
           processor: this.processCodeCreation },
       'code-move': { parsers: [parseInt, parseInt],
           processor: this.processCodeMove },
       'code-delete': { parsers: [parseInt],
           processor: this.processCodeDelete },
@@ skipping 12 matching lines @@
       'timer-event-start' : { parsers: [null, null, null],
                               processor: this.advanceDistortion },
       'timer-event-end' : { parsers: [null, null, null],
                             processor: this.advanceDistortion },
       // Ignored events.
       'profiler': null,
       'function-creation': null,
       'function-move': null,
       'function-delete': null,
       'heap-sample-item': null,
+      'current-time': null,  // Handled specially, not parsed.
       // Obsolete row types.
       'code-allocate': null,
       'begin-code-region': null,
-      'end-code-region': null });
+      'end-code-region': null },
+      timedRange);
 
   this.cppEntriesProvider_ = cppEntriesProvider;
   this.callGraphSize_ = callGraphSize;
   this.ignoreUnknown_ = ignoreUnknown;
   this.stateFilter_ = stateFilter;
   this.snapshotLogProcessor_ = snapshotLogProcessor;
   this.sourceMap = sourceMap;
   this.deserializedEntriesNames_ = [];
   var ticks = this.ticks_ =
     { total: 0, unaccounted: 0, excluded: 0, gc: 0 };
@@ skipping 81 matching lines @@
   return this.codeTypes_[name] == TickProcessor.CodeTypes.SHARED_LIB;
 };
 
 
 TickProcessor.prototype.isCppCode = function(name) {
   return this.codeTypes_[name] == TickProcessor.CodeTypes.CPP;
 };
 
 
 TickProcessor.prototype.isJsCode = function(name) {
-  return !(name in this.codeTypes_);
+  return name !== "UNKNOWN" && !(name in this.codeTypes_);
 };
 
 
 TickProcessor.prototype.processLogFile = function(fileName) {
   this.lastLogFileName_ = fileName;
   var line;
   while (line = readline()) {
     this.processLogLine(line);
   }
 };
@@ skipping 562 matching lines @@
         'Specify the \'nm\' executable to use (e.g. --nm=/my_dir/nm)'],
     '--target': ['targetRootFS', '',
         'Specify the target root directory for cross environment'],
     '--snapshot-log': ['snapshotLogFileName', 'snapshot.log',
         'Specify snapshot log file to use (e.g. --snapshot-log=snapshot.log)'],
     '--range': ['range', 'auto,auto',
         'Specify the range limit as [start],[end]'],
     '--distortion': ['distortion', 0,
         'Specify the logging overhead in picoseconds'],
     '--source-map': ['sourceMap', null,
-        'Specify the source map that should be used for output']
+        'Specify the source map that should be used for output'],
+    '--timed-range': ['timedRange', true,
+        'Ignore ticks before first and after last Date.now() call']
   };
   this.argsDispatch_['--js'] = this.argsDispatch_['-j'];
   this.argsDispatch_['--gc'] = this.argsDispatch_['-g'];
   this.argsDispatch_['--compiler'] = this.argsDispatch_['-c'];
   this.argsDispatch_['--other'] = this.argsDispatch_['-o'];
   this.argsDispatch_['--external'] = this.argsDispatch_['-e'];
 };
 
 
 ArgumentsProcessor.DEFAULTS = {
   logFileName: 'v8.log',
   snapshotLogFileName: null,
   platform: 'unix',
   stateFilter: null,
   callGraphSize: 5,
   ignoreUnknown: false,
   separateIc: false,
   targetRootFS: '',
   nm: 'nm',
   range: 'auto,auto',
-  distortion: 0
+  distortion: 0,
+  timedRange: false
 };
 
 
 ArgumentsProcessor.prototype.parse = function() {
   while (this.args_.length) {
     var arg = this.args_[0];
     if (arg.charAt(0) != '-') {
       break;
     }
     this.args_.shift();
@@ skipping 43 matching lines @@
     for (var synArg in this.argsDispatch_) {
       if (arg !== synArg && dispatch === this.argsDispatch_[synArg]) {
         synonims.push(synArg);
         delete this.argsDispatch_[synArg];
       }
     }
     print('  ' + padRight(synonims.join(', '), 20) + dispatch[2]);
   }
   quit(2);
 };