e8d24c66b9
This CL modifies the logging pipeline of V8 to track timestamps of the IC events across the log file. Modifies the current IC-explorer's code to make it compatible with the IC event time processing. Change-Id: I2a0f652e2657bdebe8cecd7862a7545f7b050cdb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2274613 Commit-Queue: Zeynep Cankara <zcankara@google.com> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#68849}
59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import CustomIcProcessor from "./ic-processor.mjs";
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// For compatibility with console scripts:
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print = console.log;
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export class Group {
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constructor(property, key, entry) {
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this.property = property;
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this.key = key;
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this.count = 1;
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this.entries = [entry];
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this.percentage = undefined;
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this.groups = undefined;
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}
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add(entry) {
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this.count++;
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this.entries.push(entry)
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}
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createSubGroups() {
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this.groups = {};
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for (let i = 0; i < CustomIcProcessor.kProperties.length; i++) {
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let subProperty = CustomIcProcessor.kProperties[i];
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if (this.property == subProperty) continue;
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this.groups[subProperty] = Group.groupBy(this.entries, subProperty);
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}
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}
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static groupBy(entries, property) {
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let accumulator = Object.create(null);
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let length = entries.length;
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for (let i = 0; i < length; i++) {
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let entry = entries[i];
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let key = entry[property];
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if (accumulator[key] == undefined) {
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accumulator[key] = new Group(property, key, entry);
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} else {
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let group = accumulator[key];
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if (group.entries == undefined) console.log([group, entry]);
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group.add(entry)
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}
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}
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let result = [];
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for (let key in accumulator) {
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let group = accumulator[key];
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group.percentage = Math.round(group.count / length * 100 * 100) / 100;
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result.push(group);
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}
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result.sort((a, b) => {return b.count - a.count});
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return result;
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}
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}
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