Chromium Code Reviews Chromium Code Reviews
Issue 1276003004:
Process v8 sampling data into the trace model. (Closed)
Base URL: git@github.com:catapult-project/catapult.git@master| Index: tracing/tracing/extras/importer/trace_code_entry.html |
| diff --git a/tracing/tracing/extras/importer/trace_code_entry.html b/tracing/tracing/extras/importer/trace_code_entry.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..9db86e3a8d8861278694a144e86e635466fdd4e8 |
| --- /dev/null |
| +++ b/tracing/tracing/extras/importer/trace_code_entry.html |
| @@ -0,0 +1,72 @@ |
| +<!DOCTYPE html> |
| +<!-- |
| +Copyright 2015 The Chromium Authors. All rights reserved. |
| +Use of this source code is governed by a BSD-style license that can be |
| +found in the LICENSE file. |
| +--> |
| + |
| +<link rel="import" href="/tracing/extras/importer/v8/codemap.html"> |
| +<link rel="import" href="/tracing/model/source_info/js_source_info.html"> |
| + |
| +<script> |
| +'use strict'; |
| + |
| +/** |
| + * @fileoverview TraceCodeEntry is a wrapper around the V8 CodeEntry that |
| + * extract extra context information for each item. This includes things like |
|
petrcermak
2015/08/13 15:15:56
nit: s/extract/extracts/ (one wrapper)
dsinclair
2015/08/13 15:43:38
Done.
|
| + * the source file, line and if the function is a native method or not. |
| + */ |
| +tr.exportTo('tr.e.importer', function() { |
| + function TraceCodeEntry(size, name, scriptId) { |
| + var methodName = undefined; |
| + var script = undefined; |
| + var lineNum = -1; |
| + var isNative = false; |
| + |
| + if (name.startsWith('LazyCompile:')) { |
| + var cleanName = name.replace(/LazyCompile:~?/, ''); |
| + var idx = cleanName.lastIndexOf(' '); |
| + if (idx < 0) { |
| + methodName = cleanName; |
| + } else { |
| + methodName = cleanName.substring(0, idx); |
| + script = cleanName.substring(idx + 1); |
| + |
| + var matches = script.match(/(.*):(\d+)$/); |
| + if (matches !== null) { |
| + script = matches[1]; |
| + lineNum = parseInt(matches[2]); |
| + } |
| + } |
| + |
| + if (methodName.endsWith(' native')) { |
| + isNative = true; |
| + methodName = methodName.replace(/\s+native$/, ''); |
| + } |
| + |
| + if (methodName === '') |
| + methodName = 'unknown'; |
| + } else { |
| + methodName = name; |
| + } |
| + |
| + tr.e.importer.v8.CodeMap.CodeEntry.call(this, size, methodName); |
| + |
| + this.sourceInfo_ = new tr.model.source_info.JSSourceInfo( |
| + script, lineNum, isNative, scriptId); |
| + }; |
| + |
| + TraceCodeEntry.prototype = { |
| + __proto__: tr.e.importer.v8.CodeMap.CodeEntry.prototype, |
| + |
| + get sourceInfo() { |
| + return this.sourceInfo_; |
| + } |
| + }; |
| + |
| + return { |
| + TraceCodeEntry: TraceCodeEntry |
| + }; |
| +}); |
| +</script> |
| + |
