[Isolates] Merge 6700:7030 from bleeding_edge to isolates.

tools/tickprocessor.js

 // Copyright 2009 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
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-function Profile(separateIc) {
-  devtools.profiler.Profile.call(this);
+function inherits(childCtor, parentCtor) {
+  childCtor.prototype.__proto__ = parentCtor.prototype;
+};
+
+
+function V8Profile(separateIc) {
+  Profile.call(this);
   if (!separateIc) {
-    this.skipThisFunction = function(name) { return Profile.IC_RE.test(name); };
+    this.skipThisFunction = function(name) { return V8Profile.IC_RE.test(name); };
   }
 };
-Profile.prototype = devtools.profiler.Profile.prototype;
+inherits(V8Profile, Profile);
 
 
-Profile.IC_RE =
+V8Profile.IC_RE =
     /^(?:CallIC|LoadIC|StoreIC)|(?:Builtin: (?:Keyed)?(?:Call|Load|Store)IC_)/;
 
 
 /**
  * A thin wrapper around shell's 'read' function showing a file name on error.
  */
 function readFile(fileName) {
   try {
     return read(fileName);
   } catch (e) {
     print(fileName + ': ' + (e.message || e));
     throw e;
   }
 }
 
 
-function inherits(childCtor, parentCtor) {
-  childCtor.prototype.__proto__ = parentCtor.prototype;
-};
+/**
+ * Parser for dynamic code optimization state.
+ */
+function parseState(s) {
+  switch (s) {
+  case "": return Profile.CodeState.COMPILED;
+  case "~": return Profile.CodeState.OPTIMIZABLE;
+  case "*": return Profile.CodeState.OPTIMIZED;
+  }
+  throw new Error("unknown code state: " + s);
+}
 
 
 function SnapshotLogProcessor() {
-  devtools.profiler.LogReader.call(this, {
+  LogReader.call(this, {
       'code-creation': {
-          parsers: [null, parseInt, parseInt, null],
+          parsers: [null, parseInt, parseInt, null, 'var-args'],
           processor: this.processCodeCreation },
       'code-move': { parsers: [parseInt, parseInt],
           processor: this.processCodeMove },
       'code-delete': { parsers: [parseInt],
           processor: this.processCodeDelete },
       'function-creation': null,
       'function-move': null,
       'function-delete': null,
+      'sfi-move': null,
       'snapshot-pos': { parsers: [parseInt, parseInt],
           processor: this.processSnapshotPosition }});
 
-  Profile.prototype.handleUnknownCode = function(operation, addr) {
-    var op = devtools.profiler.Profile.Operation;
+  V8Profile.prototype.handleUnknownCode = function(operation, addr) {
+    var op = Profile.Operation;
     switch (operation) {
       case op.MOVE:
         print('Snapshot: Code move event for unknown code: 0x' +
               addr.toString(16));
         break;
       case op.DELETE:
         print('Snapshot: Code delete event for unknown code: 0x' +
               addr.toString(16));
         break;
     }
   };
 
-  this.profile_ = new Profile();
+  this.profile_ = new V8Profile();
   this.serializedEntries_ = [];
 }
-inherits(SnapshotLogProcessor, devtools.profiler.LogReader);
+inherits(SnapshotLogProcessor, LogReader);
 
 
 SnapshotLogProcessor.prototype.processCodeCreation = function(
-    type, start, size, name) {
-  var entry = this.profile_.addCode(type, name, start, size);
+    type, start, size, name, maybe_func) {
+  if (maybe_func.length) {
+    var funcAddr = parseInt(maybe_func[0]);
+    var state = parseState(maybe_func[1]);
+    this.profile_.addFuncCode(type, name, start, size, funcAddr, state);
+  } else {
+    this.profile_.addCode(type, name, start, size);
+  }
 };
 
 
 SnapshotLogProcessor.prototype.processCodeMove = function(from, to) {
   this.profile_.moveCode(from, to);
 };
 
 
 SnapshotLogProcessor.prototype.processCodeDelete = function(start) {
   this.profile_.deleteCode(start);
@@ skipping 12 matching lines @@
 
 
 SnapshotLogProcessor.prototype.getSerializedEntryName = function(pos) {
   var entry = this.serializedEntries_[pos];
   return entry ? entry.getRawName() : null;
 };
 
 
 function TickProcessor(
     cppEntriesProvider, separateIc, ignoreUnknown, stateFilter, snapshotLogProcessor) {
-  devtools.profiler.LogReader.call(this, {
+  LogReader.call(this, {
       'shared-library': { parsers: [null, parseInt, parseInt],
           processor: this.processSharedLibrary },
       'code-creation': {
-          parsers: [null, parseInt, parseInt, null],
+          parsers: [null, parseInt, parseInt, null, 'var-args'],
           processor: this.processCodeCreation },
       'code-move': { parsers: [parseInt, parseInt],
           processor: this.processCodeMove },
       'code-delete': { parsers: [parseInt],
           processor: this.processCodeDelete },
-      'function-creation': { parsers: [parseInt, parseInt],
-          processor: this.processFunctionCreation },
-      'function-move': { parsers: [parseInt, parseInt],
+      'sfi-move': { parsers: [parseInt, parseInt],
           processor: this.processFunctionMove },
-      'function-delete': { parsers: [parseInt],
-          processor: this.processFunctionDelete },
       'snapshot-pos': { parsers: [parseInt, parseInt],
           processor: this.processSnapshotPosition },
       'tick': { parsers: [parseInt, parseInt, parseInt, parseInt, 'var-args'],
           processor: this.processTick },
       'heap-sample-begin': { parsers: [null, null, parseInt],
           processor: this.processHeapSampleBegin },
       'heap-sample-end': { parsers: [null, null],
           processor: this.processHeapSampleEnd },
       'heap-js-prod-item': { parsers: [null, 'var-args'],
           processor: this.processJSProducer },
       // Ignored events.
       'profiler': null,
+      'function-creation': null,
+      'function-move': null,
+      'function-delete': null,
       'heap-sample-stats': null,
       'heap-sample-item': null,
       'heap-js-cons-item': null,
       'heap-js-ret-item': null,
       // Obsolete row types.
       'code-allocate': null,
       'begin-code-region': null,
       'end-code-region': null });
 
   this.cppEntriesProvider_ = cppEntriesProvider;
   this.ignoreUnknown_ = ignoreUnknown;
   this.stateFilter_ = stateFilter;
   this.snapshotLogProcessor_ = snapshotLogProcessor;
   this.deserializedEntriesNames_ = [];
   var ticks = this.ticks_ =
     { total: 0, unaccounted: 0, excluded: 0, gc: 0 };
 
-  Profile.prototype.handleUnknownCode = function(
+  V8Profile.prototype.handleUnknownCode = function(
       operation, addr, opt_stackPos) {
-    var op = devtools.profiler.Profile.Operation;
+    var op = Profile.Operation;
     switch (operation) {
       case op.MOVE:
         print('Code move event for unknown code: 0x' + addr.toString(16));
         break;
       case op.DELETE:
         print('Code delete event for unknown code: 0x' + addr.toString(16));
         break;
       case op.TICK:
         // Only unknown PCs (the first frame) are reported as unaccounted,
         // otherwise tick balance will be corrupted (this behavior is compatible
         // with the original tickprocessor.py script.)
         if (opt_stackPos == 0) {
           ticks.unaccounted++;
         }
         break;
     }
   };
 
-  this.profile_ = new Profile(separateIc);
+  this.profile_ = new V8Profile(separateIc);
   this.codeTypes_ = {};
   // Count each tick as a time unit.
-  this.viewBuilder_ = new devtools.profiler.ViewBuilder(1);
+  this.viewBuilder_ = new ViewBuilder(1);
   this.lastLogFileName_ = null;
 
   this.generation_ = 1;
   this.currentProducerProfile_ = null;
 };
-inherits(TickProcessor, devtools.profiler.LogReader);
+inherits(TickProcessor, LogReader);
 
 
 TickProcessor.VmStates = {
   JS: 0,
   GC: 1,
   COMPILER: 2,
   OTHER: 3,
   EXTERNAL: 4
 };
 
@@ skipping 62 matching lines @@
   var self = this;
   var libFuncs = this.cppEntriesProvider_.parseVmSymbols(
       name, startAddr, endAddr, function(fName, fStart, fEnd) {
     self.profile_.addStaticCode(fName, fStart, fEnd);
     self.setCodeType(fName, 'CPP');
   });
 };
 
 
 TickProcessor.prototype.processCodeCreation = function(
-    type, start, size, name) {
+    type, start, size, name, maybe_func) {
   name = this.deserializedEntriesNames_[start] || name;
-  var entry = this.profile_.addCode(type, name, start, size);
+  if (maybe_func.length) {
+    var funcAddr = parseInt(maybe_func[0]);
+    var state = parseState(maybe_func[1]);
+    this.profile_.addFuncCode(type, name, start, size, funcAddr, state);
+  } else {
+    this.profile_.addCode(type, name, start, size);
+  }
 };
 
 
 TickProcessor.prototype.processCodeMove = function(from, to) {
   this.profile_.moveCode(from, to);
 };
 
 
 TickProcessor.prototype.processCodeDelete = function(start) {
   this.profile_.deleteCode(start);
 };
 
 
-TickProcessor.prototype.processFunctionCreation = function(
-    functionAddr, codeAddr) {
-  this.profile_.addCodeAlias(functionAddr, codeAddr);
-};
-
-
 TickProcessor.prototype.processFunctionMove = function(from, to) {
-  this.profile_.safeMoveDynamicCode(from, to);
-};
-
-
-TickProcessor.prototype.processFunctionDelete = function(start) {
-  this.profile_.safeDeleteDynamicCode(start);
+  this.profile_.moveFunc(from, to);
 };
 
 
 TickProcessor.prototype.processSnapshotPosition = function(addr, pos) {
   if (this.snapshotLogProcessor_) {
     this.deserializedEntriesNames_[addr] =
       this.snapshotLogProcessor_.getSerializedEntryName(pos);
   }
 };
 
 
 TickProcessor.prototype.includeTick = function(vmState) {
   return this.stateFilter_ == null || this.stateFilter_ == vmState;
 };
 
 
-TickProcessor.prototype.processTick = function(pc, sp, func, vmState, stack) {
+TickProcessor.prototype.processTick = function(pc, sp, tos, vmState, stack) {
   this.ticks_.total++;
   if (vmState == TickProcessor.VmStates.GC) this.ticks_.gc++;
   if (!this.includeTick(vmState)) {
     this.ticks_.excluded++;
     return;
   }
 
-  if (func) {
-    var funcEntry = this.profile_.findEntry(func);
+  if (tos) {
+    var funcEntry = this.profile_.findEntry(tos);
     if (!funcEntry || !funcEntry.isJSFunction || !funcEntry.isJSFunction()) {
-      func = 0;
-    } else {
-      var currEntry = this.profile_.findEntry(pc);
-      if (!currEntry || !currEntry.isJSFunction || currEntry.isJSFunction()) {
-        func = 0;
-      }
+      tos = 0;
     }
   }
 
-  this.profile_.recordTick(this.processStack(pc, func, stack));
+  this.profile_.recordTick(this.processStack(pc, tos, stack));
 };
 
 
 TickProcessor.prototype.processHeapSampleBegin = function(space, state, ticks) {
   if (space != 'Heap') return;
-  this.currentProducerProfile_ = new devtools.profiler.CallTree();
+  this.currentProducerProfile_ = new CallTree();
 };
 
 
 TickProcessor.prototype.processHeapSampleEnd = function(space, state) {
   if (space != 'Heap' || !this.currentProducerProfile_) return;
 
   print('Generation ' + this.generation_ + ':');
   var tree = this.currentProducerProfile_;
   tree.computeTotalWeights();
   var producersView = this.viewBuilder_.buildView(tree);
@@ skipping 475 matching lines @@
       if (arg !== synArg && dispatch === this.argsDispatch_[synArg]) {
         synonims.push(synArg);
         delete this.argsDispatch_[synArg];
       }
     }
     print('  ' + padRight(synonims.join(', '), 20) + dispatch[2]);
   }
   quit(2);
 };