blob: 1e57e0aa5a772f038f89d3c1acab2bcdfa17683c [file] [log] [blame]
// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
import {CATEGORIES, CATEGORY_NAMES, categoryByZoneName} from './categories.js';
export const VIEW_TOTALS = 'by-totals';
export const VIEW_BY_ZONE_NAME = 'by-zone-name';
export const VIEW_BY_ZONE_CATEGORY = 'by-zone-category';
export const KIND_ALLOCATED_MEMORY = 'kind-detailed-allocated';
export const KIND_USED_MEMORY = 'kind-detailed-used';
export const KIND_FREED_MEMORY = 'kind-detailed-freed';
defineCustomElement('details-selection', (templateText) =>
class DetailsSelection extends HTMLElement {
constructor() {
super();
const shadowRoot = this.attachShadow({mode: 'open'});
shadowRoot.innerHTML = templateText;
this.isolateSelect.addEventListener(
'change', e => this.handleIsolateChange(e));
this.dataViewSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
this.dataKindSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
this.showTotalsSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
this.memoryUsageSampleSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
this.timeStartSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
this.timeEndSelect.addEventListener(
'change', e => this.notifySelectionChanged(e));
}
connectedCallback() {
for (let category of CATEGORIES.keys()) {
this.$('#categories').appendChild(this.buildCategory(category));
}
}
set data(value) {
this._data = value;
this.dataChanged();
}
get data() {
return this._data;
}
get selectedIsolate() {
return this._data[this.selection.isolate];
}
get selectedData() {
console.assert(this.data, 'invalid data');
console.assert(this.selection, 'invalid selection');
const time = this.selection.time;
return this.selectedIsolate.samples.get(time);
}
$(id) {
return this.shadowRoot.querySelector(id);
}
querySelectorAll(query) {
return this.shadowRoot.querySelectorAll(query);
}
get dataViewSelect() {
return this.$('#data-view-select');
}
get dataKindSelect() {
return this.$('#data-kind-select');
}
get isolateSelect() {
return this.$('#isolate-select');
}
get memoryUsageSampleSelect() {
return this.$('#memory-usage-sample-select');
}
get showTotalsSelect() {
return this.$('#show-totals-select');
}
get timeStartSelect() {
return this.$('#time-start-select');
}
get timeEndSelect() {
return this.$('#time-end-select');
}
buildCategory(name) {
const div = document.createElement('div');
div.id = name;
div.classList.add('box');
const ul = document.createElement('ul');
div.appendChild(ul);
const name_li = document.createElement('li');
ul.appendChild(name_li);
name_li.innerHTML = CATEGORY_NAMES.get(name);
const percent_li = document.createElement('li');
ul.appendChild(percent_li);
percent_li.innerHTML = '0%';
percent_li.id = name + 'PercentContent';
const all_li = document.createElement('li');
ul.appendChild(all_li);
const all_button = document.createElement('button');
all_li.appendChild(all_button);
all_button.innerHTML = 'All';
all_button.addEventListener('click', e => this.selectCategory(name));
const none_li = document.createElement('li');
ul.appendChild(none_li);
const none_button = document.createElement('button');
none_li.appendChild(none_button);
none_button.innerHTML = 'None';
none_button.addEventListener('click', e => this.unselectCategory(name));
const innerDiv = document.createElement('div');
div.appendChild(innerDiv);
innerDiv.id = name + 'Content';
const percentDiv = document.createElement('div');
div.appendChild(percentDiv);
percentDiv.className = 'percentBackground';
percentDiv.id = name + 'PercentBackground';
return div;
}
dataChanged() {
this.selection = {categories: {}, zones: new Map()};
this.resetUI(true);
this.populateIsolateSelect();
this.handleIsolateChange();
this.$('#dataSelectionSection').style.display = 'block';
}
populateIsolateSelect() {
let isolates = Object.entries(this.data);
// Sort by peak heap memory consumption.
isolates.sort((a, b) => b[1].peakAllocatedMemory - a[1].peakAllocatedMemory);
this.populateSelect(
'#isolate-select', isolates, (key, isolate) => isolate.getLabel());
}
resetUI(resetIsolateSelect) {
if (resetIsolateSelect) removeAllChildren(this.isolateSelect);
removeAllChildren(this.dataViewSelect);
removeAllChildren(this.dataKindSelect);
removeAllChildren(this.memoryUsageSampleSelect);
this.clearCategories();
}
handleIsolateChange(e) {
this.selection.isolate = this.isolateSelect.value;
if (this.selection.isolate.length === 0) {
this.selection.isolate = null;
return;
}
this.resetUI(false);
this.populateSelect(
'#data-view-select', [
[VIEW_TOTALS, 'Total memory usage'],
[VIEW_BY_ZONE_NAME, 'Selected zones types'],
[VIEW_BY_ZONE_CATEGORY, 'Selected zone categories'],
],
(key, label) => label, VIEW_TOTALS);
this.populateSelect(
'#data-kind-select', [
[KIND_ALLOCATED_MEMORY, 'Allocated memory per zone'],
[KIND_USED_MEMORY, 'Used memory per zone'],
[KIND_FREED_MEMORY, 'Freed memory per zone'],
],
(key, label) => label, KIND_ALLOCATED_MEMORY);
this.populateSelect(
'#memory-usage-sample-select',
[...this.selectedIsolate.samples.entries()].filter(([time, sample]) => {
// Remove samples that does not have detailed per-zone data.
return sample.zones !== undefined;
}),
(time, sample, index) => {
return ((index + ': ').padStart(6, '\u00A0') +
formatSeconds(time).padStart(8, '\u00A0') + ' ' +
formatBytes(sample.allocated).padStart(12, '\u00A0'));
},
this.selectedIsolate.peakUsageTime);
this.timeStartSelect.value = this.selectedIsolate.start;
this.timeEndSelect.value = this.selectedIsolate.end;
this.populateCategories();
this.notifySelectionChanged();
}
notifySelectionChanged(e) {
if (!this.selection.isolate) return;
this.selection.data_view = this.dataViewSelect.value;
this.selection.data_kind = this.dataKindSelect.value;
this.selection.categories = Object.create(null);
this.selection.zones = new Map();
this.$('#categories').style.display = 'none';
for (let category of CATEGORIES.keys()) {
const selected = this.selectedInCategory(category);
if (selected.length > 0) this.selection.categories[category] = selected;
for (const zone_name of selected) {
this.selection.zones.set(zone_name, category);
}
}
this.$('#categories').style.display = 'block';
this.selection.category_names = CATEGORY_NAMES;
this.selection.show_totals = this.showTotalsSelect.checked;
this.selection.time = Number(this.memoryUsageSampleSelect.value);
this.selection.timeStart = Number(this.timeStartSelect.value);
this.selection.timeEnd = Number(this.timeEndSelect.value);
this.updatePercentagesInCategory();
this.updatePercentagesInZones();
this.dispatchEvent(new CustomEvent(
'change', {bubbles: true, composed: true, detail: this.selection}));
}
updatePercentagesInCategory() {
const overalls = Object.create(null);
let overall = 0;
// Reset all categories.
this.selection.category_names.forEach((_, category) => {
overalls[category] = 0;
});
// Only update categories that have selections.
Object.entries(this.selection.categories).forEach(([category, value]) => {
overalls[category] =
Object.values(value).reduce(
(accu, current) => {
const zone_data = this.selectedData.zones.get(current);
return zone_data === undefined ? accu
: accu + zone_data.allocated;
}, 0) /
KB;
overall += overalls[category];
});
Object.entries(overalls).forEach(([category, category_overall]) => {
let percents = category_overall / overall * 100;
this.$(`#${category}PercentContent`).innerHTML =
`${percents.toFixed(1)}%`;
this.$('#' + category + 'PercentBackground').style.left = percents + '%';
});
}
updatePercentagesInZones() {
const selected_data = this.selectedData;
const zones_data = selected_data.zones;
const total_allocated = selected_data.allocated;
this.querySelectorAll('.zonesSelectBox input').forEach(checkbox => {
const zone_name = checkbox.value;
const zone_data = zones_data.get(zone_name);
const zone_allocated = zone_data === undefined ? 0 : zone_data.allocated;
const percents = zone_allocated / total_allocated;
const percent_div = checkbox.parentNode.querySelector('.percentBackground');
percent_div.style.left = (percents * 100) + '%';
checkbox.parentNode.style.display = 'block';
});
}
selectedInCategory(category) {
let tmp = [];
this.querySelectorAll('input[name=' + category + 'Checkbox]:checked')
.forEach(checkbox => tmp.push(checkbox.value));
return tmp;
}
createOption(value, text) {
const option = document.createElement('option');
option.value = value;
option.text = text;
return option;
}
populateSelect(id, iterable, labelFn = null, autoselect = null) {
if (labelFn == null) labelFn = e => e;
let index = 0;
for (let [key, value] of iterable) {
index++;
const label = labelFn(key, value, index);
const option = this.createOption(key, label);
if (autoselect === key) {
option.selected = 'selected';
}
this.$(id).appendChild(option);
}
}
clearCategories() {
for (const category of CATEGORIES.keys()) {
let f = this.$('#' + category + 'Content');
while (f.firstChild) {
f.removeChild(f.firstChild);
}
}
}
populateCategories() {
this.clearCategories();
const categories = Object.create(null);
for (let cat of CATEGORIES.keys()) {
categories[cat] = [];
}
for (const [zone_name, zone_stats] of this.selectedIsolate.zones) {
const category = categoryByZoneName(zone_name);
categories[category].push(zone_name);
}
for (let category of Object.keys(categories)) {
categories[category].sort();
for (let zone_name of categories[category]) {
this.$('#' + category + 'Content')
.appendChild(this.createCheckBox(zone_name, category));
}
}
}
unselectCategory(category) {
this.querySelectorAll('input[name=' + category + 'Checkbox]')
.forEach(checkbox => checkbox.checked = false);
this.notifySelectionChanged();
}
selectCategory(category) {
this.querySelectorAll('input[name=' + category + 'Checkbox]')
.forEach(checkbox => checkbox.checked = true);
this.notifySelectionChanged();
}
createCheckBox(instance_type, category) {
const div = document.createElement('div');
div.classList.add('zonesSelectBox');
div.style.width = "200px";
const input = document.createElement('input');
div.appendChild(input);
input.type = 'checkbox';
input.name = category + 'Checkbox';
input.checked = 'checked';
input.id = instance_type + 'Checkbox';
input.instance_type = instance_type;
input.value = instance_type;
input.addEventListener('change', e => this.notifySelectionChanged(e));
const label = document.createElement('label');
div.appendChild(label);
label.innerText = instance_type;
label.htmlFor = instance_type + 'Checkbox';
const percentDiv = document.createElement('div');
percentDiv.className = 'percentBackground';
div.appendChild(percentDiv);
return div;
}
});