diff options
Diffstat (limited to 'src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go')
| -rw-r--r-- | src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go | 1432 |
1 files changed, 43 insertions, 1389 deletions
diff --git a/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go b/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go index b9c73271b8..94f32e3755 100644 --- a/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go +++ b/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go @@ -15,1400 +15,54 @@ package driver import ( + "embed" + "fmt" "html/template" + "os" - "github.com/google/pprof/third_party/d3" "github.com/google/pprof/third_party/d3flamegraph" ) +//go:embed html +var embeddedFiles embed.FS + // addTemplates adds a set of template definitions to templates. func addTemplates(templates *template.Template) { - template.Must(templates.Parse(`{{define "d3script"}}` + d3.JSSource + `{{end}}`)) - template.Must(templates.Parse(`{{define "d3flamegraphscript"}}` + d3flamegraph.JSSource + `{{end}}`)) - template.Must(templates.Parse(`{{define "d3flamegraphcss"}}` + d3flamegraph.CSSSource + `{{end}}`)) - template.Must(templates.Parse(` -{{define "css"}} -<style type="text/css"> -* { - margin: 0; - padding: 0; - box-sizing: border-box; -} -html, body { - height: 100%; -} -body { - font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; - font-size: 13px; - line-height: 1.4; - display: flex; - flex-direction: column; -} -a { - color: #2a66d9; -} -.header { - display: flex; - align-items: center; - height: 44px; - min-height: 44px; - background-color: #eee; - color: #212121; - padding: 0 1rem; -} -.header > div { - margin: 0 0.125em; -} -.header .title h1 { - font-size: 1.75em; - margin-right: 1rem; - margin-bottom: 4px; -} -.header .title a { - color: #212121; - text-decoration: none; -} -.header .title a:hover { - text-decoration: underline; -} -.header .description { - width: 100%; - text-align: right; - white-space: nowrap; -} -@media screen and (max-width: 799px) { - .header input { - display: none; - } -} -#detailsbox { - display: none; - z-index: 1; - position: fixed; - top: 40px; - right: 20px; - background-color: #ffffff; - box-shadow: 0 1px 5px rgba(0,0,0,.3); - line-height: 24px; - padding: 1em; - text-align: left; -} -.header input { - background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' style='pointer-events:none;display:block;width:100%25;height:100%25;fill:%23757575'%3E%3Cpath d='M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61.0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 4px center/20px 20px; - border: 1px solid #d1d2d3; - border-radius: 2px 0 0 2px; - padding: 0.25em; - padding-left: 28px; - margin-left: 1em; - font-family: 'Roboto', 'Noto', sans-serif; - font-size: 1em; - line-height: 24px; - color: #212121; -} -.downArrow { - border-top: .36em solid #ccc; - border-left: .36em solid transparent; - border-right: .36em solid transparent; - margin-bottom: .05em; - margin-left: .5em; - transition: border-top-color 200ms; -} -.menu-item { - height: 100%; - text-transform: uppercase; - font-family: 'Roboto Medium', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; - position: relative; -} -.menu-item .menu-name:hover { - opacity: 0.75; -} -.menu-item .menu-name:hover .downArrow { - border-top-color: #666; -} -.menu-name { - height: 100%; - padding: 0 0.5em; - display: flex; - align-items: center; - justify-content: center; -} -.menu-name a { - text-decoration: none; - color: #212121; -} -.submenu { - display: none; - z-index: 1; - margin-top: -4px; - min-width: 10em; - position: absolute; - left: 0px; - background-color: white; - box-shadow: 0 1px 5px rgba(0,0,0,.3); - font-size: 100%; - text-transform: none; -} -.menu-item, .submenu { - user-select: none; - -moz-user-select: none; - -ms-user-select: none; - -webkit-user-select: none; -} -.submenu hr { - border: 0; - border-top: 2px solid #eee; -} -.submenu a { - display: block; - padding: .5em 1em; - text-decoration: none; -} -.submenu a:hover, .submenu a.active { - color: white; - background-color: #6b82d6; -} -.submenu a.disabled { - color: gray; - pointer-events: none; -} -.menu-check-mark { - position: absolute; - left: 2px; -} -.menu-delete-btn { - position: absolute; - right: 2px; -} - -{{/* Used to disable events when a modal dialog is displayed */}} -#dialog-overlay { - display: none; - position: fixed; - left: 0px; - top: 0px; - width: 100%; - height: 100%; - background-color: rgba(1,1,1,0.1); -} - -.dialog { - {{/* Displayed centered horizontally near the top */}} - display: none; - position: fixed; - margin: 0px; - top: 60px; - left: 50%; - transform: translateX(-50%); - - z-index: 3; - font-size: 125%; - background-color: #ffffff; - box-shadow: 0 1px 5px rgba(0,0,0,.3); -} -.dialog-header { - font-size: 120%; - border-bottom: 1px solid #CCCCCC; - width: 100%; - text-align: center; - background: #EEEEEE; - user-select: none; -} -.dialog-footer { - border-top: 1px solid #CCCCCC; - width: 100%; - text-align: right; - padding: 10px; -} -.dialog-error { - margin: 10px; - color: red; -} -.dialog input { - margin: 10px; - font-size: inherit; -} -.dialog button { - margin-left: 10px; - font-size: inherit; -} -#save-dialog, #delete-dialog { - width: 50%; - max-width: 20em; -} -#delete-prompt { - padding: 10px; -} - -#content { - overflow-y: scroll; - padding: 1em; -} -#top { - overflow-y: scroll; -} -#graph { - overflow: hidden; -} -#graph svg { - width: 100%; - height: auto; - padding: 10px; -} -#content.source .filename { - margin-top: 0; - margin-bottom: 1em; - font-size: 120%; -} -#content.source pre { - margin-bottom: 3em; -} -table { - border-spacing: 0px; - width: 100%; - padding-bottom: 1em; - white-space: nowrap; -} -table thead { - font-family: 'Roboto Medium', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; -} -table tr th { - position: sticky; - top: 0; - background-color: #ddd; - text-align: right; - padding: .3em .5em; -} -table tr td { - padding: .3em .5em; - text-align: right; -} -#top table tr th:nth-child(6), -#top table tr th:nth-child(7), -#top table tr td:nth-child(6), -#top table tr td:nth-child(7) { - text-align: left; -} -#top table tr td:nth-child(6) { - width: 100%; - text-overflow: ellipsis; - overflow: hidden; - white-space: nowrap; -} -#flathdr1, #flathdr2, #cumhdr1, #cumhdr2, #namehdr { - cursor: ns-resize; -} -.hilite { - background-color: #ebf5fb; - font-weight: bold; -} -</style> -{{end}} - -{{define "header"}} -<div class="header"> - <div class="title"> - <h1><a href="./">pprof</a></h1> - </div> - - <div id="view" class="menu-item"> - <div class="menu-name"> - View - <i class="downArrow"></i> - </div> - <div class="submenu"> - <a title="{{.Help.top}}" href="./top" id="topbtn">Top</a> - <a title="{{.Help.graph}}" href="./" id="graphbtn">Graph</a> - <a title="{{.Help.flamegraph}}" href="./flamegraph" id="flamegraph">Flame Graph</a> - <a title="{{.Help.peek}}" href="./peek" id="peek">Peek</a> - <a title="{{.Help.list}}" href="./source" id="list">Source</a> - <a title="{{.Help.disasm}}" href="./disasm" id="disasm">Disassemble</a> - </div> - </div> - - {{$sampleLen := len .SampleTypes}} - {{if gt $sampleLen 1}} - <div id="sample" class="menu-item"> - <div class="menu-name"> - Sample - <i class="downArrow"></i> - </div> - <div class="submenu"> - {{range .SampleTypes}} - <a href="?si={{.}}" id="{{.}}">{{.}}</a> - {{end}} - </div> - </div> - {{end}} - - <div id="refine" class="menu-item"> - <div class="menu-name"> - Refine - <i class="downArrow"></i> - </div> - <div class="submenu"> - <a title="{{.Help.focus}}" href="?" id="focus">Focus</a> - <a title="{{.Help.ignore}}" href="?" id="ignore">Ignore</a> - <a title="{{.Help.hide}}" href="?" id="hide">Hide</a> - <a title="{{.Help.show}}" href="?" id="show">Show</a> - <a title="{{.Help.show_from}}" href="?" id="show-from">Show from</a> - <hr> - <a title="{{.Help.reset}}" href="?">Reset</a> - </div> - </div> - - <div id="config" class="menu-item"> - <div class="menu-name"> - Config - <i class="downArrow"></i> - </div> - <div class="submenu"> - <a title="{{.Help.save_config}}" id="save-config">Save as ...</a> - <hr> - {{range .Configs}} - <a href="{{.URL}}"> - {{if .Current}}<span class="menu-check-mark">✓</span>{{end}} - {{.Name}} - {{if .UserConfig}}<span class="menu-delete-btn" data-config={{.Name}}>🗙</span>{{end}} - </a> - {{end}} - </div> - </div> - - <div id="download" class="menu-item"> - <div class="menu-name"> - <a href="./download">Download</a> - </div> - </div> - - <div> - <input id="search" type="text" placeholder="Search regexp" autocomplete="off" autocapitalize="none" size=40> - </div> - - <div class="description"> - <a title="{{.Help.details}}" href="#" id="details">{{.Title}}</a> - <div id="detailsbox"> - {{range .Legend}}<div>{{.}}</div>{{end}} - </div> - </div> -</div> - -<div id="dialog-overlay"></div> - -<div class="dialog" id="save-dialog"> - <div class="dialog-header">Save options as</div> - <datalist id="config-list"> - {{range .Configs}}{{if .UserConfig}}<option value="{{.Name}}" />{{end}}{{end}} - </datalist> - <input id="save-name" type="text" list="config-list" placeholder="New config" /> - <div class="dialog-footer"> - <span class="dialog-error" id="save-error"></span> - <button id="save-cancel">Cancel</button> - <button id="save-confirm">Save</button> - </div> -</div> - -<div class="dialog" id="delete-dialog"> - <div class="dialog-header" id="delete-dialog-title">Delete config</div> - <div id="delete-prompt"></div> - <div class="dialog-footer"> - <span class="dialog-error" id="delete-error"></span> - <button id="delete-cancel">Cancel</button> - <button id="delete-confirm">Delete</button> - </div> -</div> - -<div id="errors">{{range .Errors}}<div>{{.}}</div>{{end}}</div> -{{end}} - -{{define "graph" -}} -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <title>{{.Title}}</title> - {{template "css" .}} -</head> -<body> - {{template "header" .}} - <div id="graph"> - {{.HTMLBody}} - </div> - {{template "script" .}} - <script>viewer(new URL(window.location.href), {{.Nodes}});</script> -</body> -</html> -{{end}} - -{{define "script"}} -<script> -// Make svg pannable and zoomable. -// Call clickHandler(t) if a click event is caught by the pan event handlers. -function initPanAndZoom(svg, clickHandler) { - 'use strict'; - - // Current mouse/touch handling mode - const IDLE = 0; - const MOUSEPAN = 1; - const TOUCHPAN = 2; - const TOUCHZOOM = 3; - let mode = IDLE; - - // State needed to implement zooming. - let currentScale = 1.0; - const initWidth = svg.viewBox.baseVal.width; - const initHeight = svg.viewBox.baseVal.height; - - // State needed to implement panning. - let panLastX = 0; // Last event X coordinate - let panLastY = 0; // Last event Y coordinate - let moved = false; // Have we seen significant movement - let touchid = null; // Current touch identifier - - // State needed for pinch zooming - let touchid2 = null; // Second id for pinch zooming - let initGap = 1.0; // Starting gap between two touches - let initScale = 1.0; // currentScale when pinch zoom started - let centerPoint = null; // Center point for scaling - - // Convert event coordinates to svg coordinates. - function toSvg(x, y) { - const p = svg.createSVGPoint(); - p.x = x; - p.y = y; - let m = svg.getCTM(); - if (m == null) m = svg.getScreenCTM(); // Firefox workaround. - return p.matrixTransform(m.inverse()); - } - - // Change the scaling for the svg to s, keeping the point denoted - // by u (in svg coordinates]) fixed at the same screen location. - function rescale(s, u) { - // Limit to a good range. - if (s < 0.2) s = 0.2; - if (s > 10.0) s = 10.0; - - currentScale = s; - - // svg.viewBox defines the visible portion of the user coordinate - // system. So to magnify by s, divide the visible portion by s, - // which will then be stretched to fit the viewport. - const vb = svg.viewBox; - const w1 = vb.baseVal.width; - const w2 = initWidth / s; - const h1 = vb.baseVal.height; - const h2 = initHeight / s; - vb.baseVal.width = w2; - vb.baseVal.height = h2; - - // We also want to adjust vb.baseVal.x so that u.x remains at same - // screen X coordinate. In other words, want to change it from x1 to x2 - // so that: - // (u.x - x1) / w1 = (u.x - x2) / w2 - // Simplifying that, we get - // (u.x - x1) * (w2 / w1) = u.x - x2 - // x2 = u.x - (u.x - x1) * (w2 / w1) - vb.baseVal.x = u.x - (u.x - vb.baseVal.x) * (w2 / w1); - vb.baseVal.y = u.y - (u.y - vb.baseVal.y) * (h2 / h1); - } - - function handleWheel(e) { - if (e.deltaY == 0) return; - // Change scale factor by 1.1 or 1/1.1 - rescale(currentScale * (e.deltaY < 0 ? 1.1 : (1/1.1)), - toSvg(e.offsetX, e.offsetY)); - } - - function setMode(m) { - mode = m; - touchid = null; - touchid2 = null; - } - - function panStart(x, y) { - moved = false; - panLastX = x; - panLastY = y; - } - - function panMove(x, y) { - let dx = x - panLastX; - let dy = y - panLastY; - if (Math.abs(dx) <= 2 && Math.abs(dy) <= 2) return; // Ignore tiny moves - - moved = true; - panLastX = x; - panLastY = y; - - // Firefox workaround: get dimensions from parentNode. - const swidth = svg.clientWidth || svg.parentNode.clientWidth; - const sheight = svg.clientHeight || svg.parentNode.clientHeight; - - // Convert deltas from screen space to svg space. - dx *= (svg.viewBox.baseVal.width / swidth); - dy *= (svg.viewBox.baseVal.height / sheight); - - svg.viewBox.baseVal.x -= dx; - svg.viewBox.baseVal.y -= dy; - } - - function handleScanStart(e) { - if (e.button != 0) return; // Do not catch right-clicks etc. - setMode(MOUSEPAN); - panStart(e.clientX, e.clientY); - e.preventDefault(); - svg.addEventListener('mousemove', handleScanMove); - } - - function handleScanMove(e) { - if (e.buttons == 0) { - // Missed an end event, perhaps because mouse moved outside window. - setMode(IDLE); - svg.removeEventListener('mousemove', handleScanMove); - return; - } - if (mode == MOUSEPAN) panMove(e.clientX, e.clientY); - } - - function handleScanEnd(e) { - if (mode == MOUSEPAN) panMove(e.clientX, e.clientY); - setMode(IDLE); - svg.removeEventListener('mousemove', handleScanMove); - if (!moved) clickHandler(e.target); - } - - // Find touch object with specified identifier. - function findTouch(tlist, id) { - for (const t of tlist) { - if (t.identifier == id) return t; - } - return null; - } - - // Return distance between two touch points - function touchGap(t1, t2) { - const dx = t1.clientX - t2.clientX; - const dy = t1.clientY - t2.clientY; - return Math.hypot(dx, dy); - } - - function handleTouchStart(e) { - if (mode == IDLE && e.changedTouches.length == 1) { - // Start touch based panning - const t = e.changedTouches[0]; - setMode(TOUCHPAN); - touchid = t.identifier; - panStart(t.clientX, t.clientY); - e.preventDefault(); - } else if (mode == TOUCHPAN && e.touches.length == 2) { - // Start pinch zooming - setMode(TOUCHZOOM); - const t1 = e.touches[0]; - const t2 = e.touches[1]; - touchid = t1.identifier; - touchid2 = t2.identifier; - initScale = currentScale; - initGap = touchGap(t1, t2); - centerPoint = toSvg((t1.clientX + t2.clientX) / 2, - (t1.clientY + t2.clientY) / 2); - e.preventDefault(); - } - } - - function handleTouchMove(e) { - if (mode == TOUCHPAN) { - const t = findTouch(e.changedTouches, touchid); - if (t == null) return; - if (e.touches.length != 1) { - setMode(IDLE); - return; - } - panMove(t.clientX, t.clientY); - e.preventDefault(); - } else if (mode == TOUCHZOOM) { - // Get two touches; new gap; rescale to ratio. - const t1 = findTouch(e.touches, touchid); - const t2 = findTouch(e.touches, touchid2); - if (t1 == null || t2 == null) return; - const gap = touchGap(t1, t2); - rescale(initScale * gap / initGap, centerPoint); - e.preventDefault(); - } - } - - function handleTouchEnd(e) { - if (mode == TOUCHPAN) { - const t = findTouch(e.changedTouches, touchid); - if (t == null) return; - panMove(t.clientX, t.clientY); - setMode(IDLE); - e.preventDefault(); - if (!moved) clickHandler(t.target); - } else if (mode == TOUCHZOOM) { - setMode(IDLE); - e.preventDefault(); - } - } - - svg.addEventListener('mousedown', handleScanStart); - svg.addEventListener('mouseup', handleScanEnd); - svg.addEventListener('touchstart', handleTouchStart); - svg.addEventListener('touchmove', handleTouchMove); - svg.addEventListener('touchend', handleTouchEnd); - svg.addEventListener('wheel', handleWheel, true); -} - -function initMenus() { - 'use strict'; - - let activeMenu = null; - let activeMenuHdr = null; - - function cancelActiveMenu() { - if (activeMenu == null) return; - activeMenu.style.display = 'none'; - activeMenu = null; - activeMenuHdr = null; - } - - // Set click handlers on every menu header. - for (const menu of document.getElementsByClassName('submenu')) { - const hdr = menu.parentElement; - if (hdr == null) return; - if (hdr.classList.contains('disabled')) return; - function showMenu(e) { - // menu is a child of hdr, so this event can fire for clicks - // inside menu. Ignore such clicks. - if (e.target.parentElement != hdr) return; - activeMenu = menu; - activeMenuHdr = hdr; - menu.style.display = 'block'; - } - hdr.addEventListener('mousedown', showMenu); - hdr.addEventListener('touchstart', showMenu); - } - - // If there is an active menu and a down event outside, retract the menu. - for (const t of ['mousedown', 'touchstart']) { - document.addEventListener(t, (e) => { - // Note: to avoid unnecessary flicker, if the down event is inside - // the active menu header, do not retract the menu. - if (activeMenuHdr != e.target.closest('.menu-item')) { - cancelActiveMenu(); - } - }, { passive: true, capture: true }); - } - - // If there is an active menu and an up event inside, retract the menu. - document.addEventListener('mouseup', (e) => { - if (activeMenu == e.target.closest('.submenu')) { - cancelActiveMenu(); - } - }, { passive: true, capture: true }); -} - -function sendURL(method, url, done) { - fetch(url.toString(), {method: method}) - .then((response) => { done(response.ok); }) - .catch((error) => { done(false); }); -} - -// Initialize handlers for saving/loading configurations. -function initConfigManager() { - 'use strict'; - - // Initialize various elements. - function elem(id) { - const result = document.getElementById(id); - if (!result) console.warn('element ' + id + ' not found'); - return result; - } - const overlay = elem('dialog-overlay'); - const saveDialog = elem('save-dialog'); - const saveInput = elem('save-name'); - const saveError = elem('save-error'); - const delDialog = elem('delete-dialog'); - const delPrompt = elem('delete-prompt'); - const delError = elem('delete-error'); - - let currentDialog = null; - let currentDeleteTarget = null; - - function showDialog(dialog) { - if (currentDialog != null) { - overlay.style.display = 'none'; - currentDialog.style.display = 'none'; - } - currentDialog = dialog; - if (dialog != null) { - overlay.style.display = 'block'; - dialog.style.display = 'block'; - } - } - - function cancelDialog(e) { - showDialog(null); - } - - // Show dialog for saving the current config. - function showSaveDialog(e) { - saveError.innerText = ''; - showDialog(saveDialog); - saveInput.focus(); - } - - // Commit save config. - function commitSave(e) { - const name = saveInput.value; - const url = new URL(document.URL); - // Set path relative to existing path. - url.pathname = new URL('./saveconfig', document.URL).pathname; - url.searchParams.set('config', name); - saveError.innerText = ''; - sendURL('POST', url, (ok) => { - if (!ok) { - saveError.innerText = 'Save failed'; - } else { - showDialog(null); - location.reload(); // Reload to show updated config menu - } - }); - } - - function handleSaveInputKey(e) { - if (e.key === 'Enter') commitSave(e); - } - - function deleteConfig(e, elem) { - e.preventDefault(); - const config = elem.dataset.config; - delPrompt.innerText = 'Delete ' + config + '?'; - currentDeleteTarget = elem; - showDialog(delDialog); - } - - function commitDelete(e, elem) { - if (!currentDeleteTarget) return; - const config = currentDeleteTarget.dataset.config; - const url = new URL('./deleteconfig', document.URL); - url.searchParams.set('config', config); - delError.innerText = ''; - sendURL('DELETE', url, (ok) => { - if (!ok) { - delError.innerText = 'Delete failed'; - return; - } - showDialog(null); - // Remove menu entry for this config. - if (currentDeleteTarget && currentDeleteTarget.parentElement) { - currentDeleteTarget.parentElement.remove(); - } - }); - } - - // Bind event on elem to fn. - function bind(event, elem, fn) { - if (elem == null) return; - elem.addEventListener(event, fn); - if (event == 'click') { - // Also enable via touch. - elem.addEventListener('touchstart', fn); - } - } - - bind('click', elem('save-config'), showSaveDialog); - bind('click', elem('save-cancel'), cancelDialog); - bind('click', elem('save-confirm'), commitSave); - bind('keydown', saveInput, handleSaveInputKey); - - bind('click', elem('delete-cancel'), cancelDialog); - bind('click', elem('delete-confirm'), commitDelete); - - // Activate deletion button for all config entries in menu. - for (const del of Array.from(document.getElementsByClassName('menu-delete-btn'))) { - bind('click', del, (e) => { - deleteConfig(e, del); - }); - } -} - -function viewer(baseUrl, nodes) { - 'use strict'; - - // Elements - const search = document.getElementById('search'); - const graph0 = document.getElementById('graph0'); - const svg = (graph0 == null ? null : graph0.parentElement); - const toptable = document.getElementById('toptable'); - - let regexpActive = false; - let selected = new Map(); - let origFill = new Map(); - let searchAlarm = null; - let buttonsEnabled = true; - - function handleDetails(e) { - e.preventDefault(); - const detailsText = document.getElementById('detailsbox'); - if (detailsText != null) { - if (detailsText.style.display === 'block') { - detailsText.style.display = 'none'; - } else { - detailsText.style.display = 'block'; - } - } - } - - function handleKey(e) { - if (e.keyCode != 13) return; - setHrefParams(window.location, function (params) { - params.set('f', search.value); - }); - e.preventDefault(); - } - - function handleSearch() { - // Delay expensive processing so a flurry of key strokes is handled once. - if (searchAlarm != null) { - clearTimeout(searchAlarm); - } - searchAlarm = setTimeout(selectMatching, 300); - - regexpActive = true; - updateButtons(); - } - - function selectMatching() { - searchAlarm = null; - let re = null; - if (search.value != '') { - try { - re = new RegExp(search.value); - } catch (e) { - // TODO: Display error state in search box - return; - } - } - - function match(text) { - return re != null && re.test(text); - } - - // drop currently selected items that do not match re. - selected.forEach(function(v, n) { - if (!match(nodes[n])) { - unselect(n, document.getElementById('node' + n)); - } - }) - - // add matching items that are not currently selected. - if (nodes) { - for (let n = 0; n < nodes.length; n++) { - if (!selected.has(n) && match(nodes[n])) { - select(n, document.getElementById('node' + n)); - } - } - } - - updateButtons(); - } - - function toggleSvgSelect(elem) { - // Walk up to immediate child of graph0 - while (elem != null && elem.parentElement != graph0) { - elem = elem.parentElement; - } - if (!elem) return; - - // Disable regexp mode. - regexpActive = false; - - const n = nodeId(elem); - if (n < 0) return; - if (selected.has(n)) { - unselect(n, elem); - } else { - select(n, elem); - } - updateButtons(); - } - - function unselect(n, elem) { - if (elem == null) return; - selected.delete(n); - setBackground(elem, false); - } - - function select(n, elem) { - if (elem == null) return; - selected.set(n, true); - setBackground(elem, true); - } - - function nodeId(elem) { - const id = elem.id; - if (!id) return -1; - if (!id.startsWith('node')) return -1; - const n = parseInt(id.slice(4), 10); - if (isNaN(n)) return -1; - if (n < 0 || n >= nodes.length) return -1; - return n; - } - - function setBackground(elem, set) { - // Handle table row highlighting. - if (elem.nodeName == 'TR') { - elem.classList.toggle('hilite', set); - return; - } - - // Handle svg element highlighting. - const p = findPolygon(elem); - if (p != null) { - if (set) { - origFill.set(p, p.style.fill); - p.style.fill = '#ccccff'; - } else if (origFill.has(p)) { - p.style.fill = origFill.get(p); - } - } - } - - function findPolygon(elem) { - if (elem.localName == 'polygon') return elem; - for (const c of elem.children) { - const p = findPolygon(c); - if (p != null) return p; - } - return null; - } - - // convert a string to a regexp that matches that string. - function quotemeta(str) { - return str.replace(/([\\\.?+*\[\](){}|^$])/g, '\\$1'); - } - - function setSampleIndexLink(id) { - const elem = document.getElementById(id); - if (elem != null) { - setHrefParams(elem, function (params) { - params.set("si", id); - }); - } - } - - // Update id's href to reflect current selection whenever it is - // liable to be followed. - function makeSearchLinkDynamic(id) { - const elem = document.getElementById(id); - if (elem == null) return; - - // Most links copy current selection into the 'f' parameter, - // but Refine menu links are different. - let param = 'f'; - if (id == 'ignore') param = 'i'; - if (id == 'hide') param = 'h'; - if (id == 'show') param = 's'; - if (id == 'show-from') param = 'sf'; - - // We update on mouseenter so middle-click/right-click work properly. - elem.addEventListener('mouseenter', updater); - elem.addEventListener('touchstart', updater); - - function updater() { - // The selection can be in one of two modes: regexp-based or - // list-based. Construct regular expression depending on mode. - let re = regexpActive - ? search.value - : Array.from(selected.keys()).map(key => quotemeta(nodes[key])).join('|'); - - setHrefParams(elem, function (params) { - if (re != '') { - // For focus/show/show-from, forget old parameter. For others, add to re. - if (param != 'f' && param != 's' && param != 'sf' && params.has(param)) { - const old = params.get(param); - if (old != '') { - re += '|' + old; - } - } - params.set(param, re); - } else { - params.delete(param); - } - }); - } - } - - function setHrefParams(elem, paramSetter) { - let url = new URL(elem.href); - url.hash = ''; - - // Copy params from this page's URL. - const params = url.searchParams; - for (const p of new URLSearchParams(window.location.search)) { - params.set(p[0], p[1]); - } - - // Give the params to the setter to modify. - paramSetter(params); - - elem.href = url.toString(); - } - - function handleTopClick(e) { - // Walk back until we find TR and then get the Name column (index 5) - let elem = e.target; - while (elem != null && elem.nodeName != 'TR') { - elem = elem.parentElement; - } - if (elem == null || elem.children.length < 6) return; - - e.preventDefault(); - const tr = elem; - const td = elem.children[5]; - if (td.nodeName != 'TD') return; - const name = td.innerText; - const index = nodes.indexOf(name); - if (index < 0) return; - - // Disable regexp mode. - regexpActive = false; - - if (selected.has(index)) { - unselect(index, elem); - } else { - select(index, elem); - } - updateButtons(); - } - - function updateButtons() { - const enable = (search.value != '' || selected.size != 0); - if (buttonsEnabled == enable) return; - buttonsEnabled = enable; - for (const id of ['focus', 'ignore', 'hide', 'show', 'show-from']) { - const link = document.getElementById(id); - if (link != null) { - link.classList.toggle('disabled', !enable); - } - } - } - - // Initialize button states - updateButtons(); - - // Setup event handlers - initMenus(); - if (svg != null) { - initPanAndZoom(svg, toggleSvgSelect); - } - if (toptable != null) { - toptable.addEventListener('mousedown', handleTopClick); - toptable.addEventListener('touchstart', handleTopClick); - } - - const ids = ['topbtn', 'graphbtn', 'flamegraph', 'peek', 'list', 'disasm', - 'focus', 'ignore', 'hide', 'show', 'show-from']; - ids.forEach(makeSearchLinkDynamic); - - const sampleIDs = [{{range .SampleTypes}}'{{.}}', {{end}}]; - sampleIDs.forEach(setSampleIndexLink); - - // Bind action to button with specified id. - function addAction(id, action) { - const btn = document.getElementById(id); - if (btn != null) { - btn.addEventListener('click', action); - btn.addEventListener('touchstart', action); - } - } - - addAction('details', handleDetails); - initConfigManager(); - - search.addEventListener('input', handleSearch); - search.addEventListener('keydown', handleKey); - - // Give initial focus to main container so it can be scrolled using keys. - const main = document.getElementById('bodycontainer'); - if (main) { - main.focus(); - } -} -</script> -{{end}} - -{{define "top" -}} -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <title>{{.Title}}</title> - {{template "css" .}} - <style type="text/css"> - </style> -</head> -<body> - {{template "header" .}} - <div id="top"> - <table id="toptable"> - <thead> - <tr> - <th id="flathdr1">Flat</th> - <th id="flathdr2">Flat%</th> - <th>Sum%</th> - <th id="cumhdr1">Cum</th> - <th id="cumhdr2">Cum%</th> - <th id="namehdr">Name</th> - <th>Inlined?</th> - </tr> - </thead> - <tbody id="rows"></tbody> - </table> - </div> - {{template "script" .}} - <script> - function makeTopTable(total, entries) { - const rows = document.getElementById('rows'); - if (rows == null) return; - - // Store initial index in each entry so we have stable node ids for selection. - for (let i = 0; i < entries.length; i++) { - entries[i].Id = 'node' + i; - } - - // Which column are we currently sorted by and in what order? - let currentColumn = ''; - let descending = false; - sortBy('Flat'); - - function sortBy(column) { - // Update sort criteria - if (column == currentColumn) { - descending = !descending; // Reverse order - } else { - currentColumn = column; - descending = (column != 'Name'); - } - - // Sort according to current criteria. - function cmp(a, b) { - const av = a[currentColumn]; - const bv = b[currentColumn]; - if (av < bv) return -1; - if (av > bv) return +1; - return 0; - } - entries.sort(cmp); - if (descending) entries.reverse(); - - function addCell(tr, val) { - const td = document.createElement('td'); - td.textContent = val; - tr.appendChild(td); - } - - function percent(v) { - return (v * 100.0 / total).toFixed(2) + '%'; - } - - // Generate rows - const fragment = document.createDocumentFragment(); - let sum = 0; - for (const row of entries) { - const tr = document.createElement('tr'); - tr.id = row.Id; - sum += row.Flat; - addCell(tr, row.FlatFormat); - addCell(tr, percent(row.Flat)); - addCell(tr, percent(sum)); - addCell(tr, row.CumFormat); - addCell(tr, percent(row.Cum)); - addCell(tr, row.Name); - addCell(tr, row.InlineLabel); - fragment.appendChild(tr); - } - - rows.textContent = ''; // Remove old rows - rows.appendChild(fragment); - } - - // Make different column headers trigger sorting. - function bindSort(id, column) { - const hdr = document.getElementById(id); - if (hdr == null) return; - const fn = function() { sortBy(column) }; - hdr.addEventListener('click', fn); - hdr.addEventListener('touch', fn); - } - bindSort('flathdr1', 'Flat'); - bindSort('flathdr2', 'Flat'); - bindSort('cumhdr1', 'Cum'); - bindSort('cumhdr2', 'Cum'); - bindSort('namehdr', 'Name'); - } - - viewer(new URL(window.location.href), {{.Nodes}}); - makeTopTable({{.Total}}, {{.Top}}); - </script> -</body> -</html> -{{end}} - -{{define "sourcelisting" -}} -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <title>{{.Title}}</title> - {{template "css" .}} - {{template "weblistcss" .}} - {{template "weblistjs" .}} -</head> -<body> - {{template "header" .}} - <div id="content" class="source"> - {{.HTMLBody}} - </div> - {{template "script" .}} - <script>viewer(new URL(window.location.href), null);</script> -</body> -</html> -{{end}} - -{{define "plaintext" -}} -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <title>{{.Title}}</title> - {{template "css" .}} -</head> -<body> - {{template "header" .}} - <div id="content"> - <pre> - {{.TextBody}} - </pre> - </div> - {{template "script" .}} - <script>viewer(new URL(window.location.href), null);</script> -</body> -</html> -{{end}} - -{{define "flamegraph" -}} -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <title>{{.Title}}</title> - {{template "css" .}} - <style type="text/css">{{template "d3flamegraphcss" .}}</style> - <style type="text/css"> - .flamegraph-content { - width: 90%; - min-width: 80%; - margin-left: 5%; - } - .flamegraph-details { - height: 1.2em; - width: 90%; - min-width: 90%; - margin-left: 5%; - padding: 15px 0 35px; - } - </style> -</head> -<body> - {{template "header" .}} - <div id="bodycontainer"> - <div id="flamegraphdetails" class="flamegraph-details"></div> - <div class="flamegraph-content"> - <div id="chart"></div> - </div> - </div> - {{template "script" .}} - <script>viewer(new URL(window.location.href), {{.Nodes}});</script> - <script>{{template "d3script" .}}</script> - <script>{{template "d3flamegraphscript" .}}</script> - <script> - var data = {{.FlameGraph}}; - - var width = document.getElementById('chart').clientWidth; - - var flameGraph = d3.flamegraph() - .width(width) - .cellHeight(18) - .minFrameSize(1) - .transitionDuration(750) - .transitionEase(d3.easeCubic) - .inverted(true) - .sort(true) - .title('') - .tooltip(false) - .details(document.getElementById('flamegraphdetails')); - - // <full name> (percentage, value) - flameGraph.label((d) => d.data.f + ' (' + d.data.p + ', ' + d.data.l + ')'); - - (function(flameGraph) { - var oldColorMapper = flameGraph.color(); - function colorMapper(d) { - // Hack to force default color mapper to use 'warm' color scheme by not passing libtype - const { data, highlight } = d; - return oldColorMapper({ data: { n: data.n }, highlight }); - } - - flameGraph.color(colorMapper); - }(flameGraph)); - - d3.select('#chart') - .datum(data) - .call(flameGraph); - - function clear() { - flameGraph.clear(); - } - - function resetZoom() { - flameGraph.resetZoom(); - } - - window.addEventListener('resize', function() { - var width = document.getElementById('chart').clientWidth; - var graphs = document.getElementsByClassName('d3-flame-graph'); - if (graphs.length > 0) { - graphs[0].setAttribute('width', width); - } - flameGraph.width(width); - flameGraph.resetZoom(); - }, true); - - var search = document.getElementById('search'); - var searchAlarm = null; - - function selectMatching() { - searchAlarm = null; - - if (search.value != '') { - flameGraph.search(search.value); - } else { - flameGraph.clear(); - } - } - - function handleSearch() { - // Delay expensive processing so a flurry of key strokes is handled once. - if (searchAlarm != null) { - clearTimeout(searchAlarm); - } - searchAlarm = setTimeout(selectMatching, 300); - } - - search.addEventListener('input', handleSearch); - </script> -</body> -</html> -{{end}} -`)) + // Load specified file. + loadFile := func(fname string) string { + data, err := embeddedFiles.ReadFile(fname) + if err != nil { + fmt.Fprintf(os.Stderr, "internal/driver: embedded file %q not found\n", + fname) + os.Exit(1) + } + return string(data) + } + loadCSS := func(fname string) string { + return `<style type="text/css">` + "\n" + loadFile(fname) + `</style>` + "\n" + } + loadJS := func(fname string) string { + return `<script>` + "\n" + loadFile(fname) + `</script>` + "\n" + } + + // Define a named template with specified contents. + def := func(name, contents string) { + sub := template.New(name) + template.Must(sub.Parse(contents)) + template.Must(templates.AddParseTree(name, sub.Tree)) + } + + // Pre-packaged third-party files. + def("d3flamegraphscript", d3flamegraph.JSSource) + def("d3flamegraphcss", d3flamegraph.CSSSource) + + // Embeded files. + def("css", loadCSS("html/common.css")) + def("header", loadFile("html/header.html")) + def("graph", loadFile("html/graph.html")) + def("script", loadJS("html/common.js")) + def("top", loadFile("html/top.html")) + def("sourcelisting", loadFile("html/source.html")) + def("plaintext", loadFile("html/plaintext.html")) + def("flamegraph", loadFile("html/flamegraph.html")) } |