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| 1 <!DOCTYPE html> |
| 2 <!-- |
| 3 Copyright 2015 The Chromium Authors. All rights reserved. |
| 4 Use of this source code is governed by a BSD-style license that can be |
| 5 found in the LICENSE file. |
| 6 --> |
| 7 <link rel="import" href="/perf_insights/mre/function_handle.html"> |
| 8 <link rel="import" href="/tracing/base/iteration_helpers.html"> |
| 9 <link rel="import" href="/tracing/model/helpers/chrome_model_helper.html"> |
| 10 <link rel="import" href="/tracing/model/ir_coverage.html"> |
| 11 <link rel="import" href="/tracing/model/user_model/user_expectation.html"> |
| 12 <link rel="import" href="/tracing/value/unit.html"> |
| 13 |
| 14 <script> |
| 15 'use strict'; |
| 16 |
| 17 |
| 18 tr.exportTo('pi.m', function() { |
| 19 function v8CallStatsDump(result, model) { |
| 20 var v8_runtime_map = {}; |
| 21 var totalCount = 0; |
| 22 var totalTime = 0; |
| 23 // TODO(fmeawad): filter events until TTI only. |
| 24 for (var event of model.getDescendantEvents()) { |
| 25 if (!(event instanceof tr.model.ThreadSlice)) |
| 26 continue; |
| 27 var v8_runtime = event.args['runtime-call-stat']; |
| 28 if (v8_runtime !== undefined) { |
| 29 try { |
| 30 var v8_runtime_object = JSON.parse(v8_runtime); |
| 31 for (var runtime_call in v8_runtime_object) { |
| 32 // exclude "END" and malformed entries. |
| 33 if (v8_runtime_object[runtime_call].length == 2) { |
| 34 if (v8_runtime_map[runtime_call] === undefined) { |
| 35 v8_runtime_map[runtime_call] = {count: 0, time: 0}; |
| 36 } |
| 37 v8_runtime_map[runtime_call].count++; |
| 38 var runtime_time = v8_runtime_object[runtime_call][1] / 1000; |
| 39 v8_runtime_map[runtime_call].time += runtime_time; |
| 40 totalCount++; |
| 41 totalTime += runtime_time; |
| 42 } |
| 43 } |
| 44 } catch (e) { |
| 45 console.warn(e); |
| 46 } |
| 47 } |
| 48 } |
| 49 for (var i in v8_runtime_map) { |
| 50 result.addPair(i, {time: Number(v8_runtime_map[i].time).toFixed(2), |
| 51 count: v8_runtime_map[i].count}); |
| 52 } |
| 53 result.addPair('Total', {time: Number(totalTime).toFixed(2), |
| 54 count: totalCount}); |
| 55 } |
| 56 |
| 57 pi.FunctionRegistry.register(v8CallStatsDump); |
| 58 |
| 59 // Exporting for tests. |
| 60 return { |
| 61 v8CallStatsDump: v8CallStatsDump |
| 62 }; |
| 63 }); |
| 64 |
| 65 </script> |
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Chromium Code Reviews
Issue 2251873002:
[Mapper] Experimental Mapper to Extract call stats dump from traces (Closed)
Base URL: https://github.com/catapult-project/catapult.git@master