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Merge pull request #1067 from brendandahl/stats

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Start of the benchmark recording framework.
This commit is contained in:
Artur Adib 2012-03-13 06:04:48 -07:00
commit 6833f64db3
6 changed files with 160 additions and 43 deletions
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33
src/core.js
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@ -63,13 +63,8 @@ var Page = (function PageClosure() {
function Page(xref, pageNumber, pageDict, ref) {
this.pageNumber = pageNumber;
this.pageDict = pageDict;
this.stats = {
create: Date.now(),
compile: 0.0,
fonts: 0.0,
images: 0.0,
render: 0.0
};
this.stats = new StatTimer();
this.stats.enabled = !!globalScope.PDFJS.enableStats;
this.xref = xref;
this.ref = ref;
@ -200,6 +195,8 @@ var Page = (function PageClosure() {
return this.IRQueue;
}
this.stats.time('Build IR Queue');
var xref = this.xref;
var content = xref.fetchIfRef(this.content);
var resources = xref.fetchIfRef(this.resources);
@ -217,11 +214,14 @@ var Page = (function PageClosure() {
var pe = this.pe = new PartialEvaluator(
xref, handler, 'p' + this.pageNumber + '_');
var IRQueue = {};
return (this.IRQueue = pe.getIRQueue(content, resources, IRQueue,
dependency));
this.IRQueue = pe.getIRQueue(content, resources, IRQueue, dependency);
this.stats.timeEnd('Build IR Queue');
return this.IRQueue;
},
ensureFonts: function pageEnsureFonts(fonts, callback) {
this.stats.time('Font Loading');
// Convert the font names to the corresponding font obj.
for (var i = 0, ii = fonts.length; i < ii; i++) {
fonts[i] = this.objs.objs[fonts[i]].data;
@ -231,7 +231,7 @@ var Page = (function PageClosure() {
var fontObjs = FontLoader.bind(
fonts,
function pageEnsureFontsFontObjs(fontObjs) {
this.stats.fonts = Date.now();
this.stats.timeEnd('Font Loading');
callback.call(this);
}.bind(this),
@ -240,6 +240,8 @@ var Page = (function PageClosure() {
},
display: function pageDisplay(gfx, callback) {
var stats = this.stats;
stats.time('Rendering');
var xref = this.xref;
var resources = xref.fetchIfRef(this.resources);
var mediaBox = xref.fetchIfRef(this.mediaBox);
@ -266,8 +268,9 @@ var Page = (function PageClosure() {
function next() {
startIdx = gfx.executeIRQueue(IRQueue, startIdx, next, stepper);
if (startIdx == length) {
self.stats.render = Date.now();
gfx.endDrawing();
stats.timeEnd('Rendering');
stats.timeEnd('Overall');
if (callback) callback();
}
}
@ -431,15 +434,14 @@ var Page = (function PageClosure() {
return items;
},
startRendering: function pageStartRendering(ctx, callback, textLayer) {
this.startRenderingTime = Date.now();
var stats = this.stats;
stats.time('Overall');
// If there is no displayReadyPromise yet, then the IRQueue was never
// requested before. Make the request and create the promise.
if (!this.displayReadyPromise) {
this.pdf.startRendering(this);
this.displayReadyPromise = new Promise();
}
// Once the IRQueue and fonts are loaded, perform the actual rendering.
this.displayReadyPromise.then(
function pageDisplayReadyPromise() {
@ -731,7 +733,7 @@ var PDFDoc = (function PDFDocClosure() {
var pageNum = data.pageNum;
var page = this.pageCache[pageNum];
var depFonts = data.depFonts;
page.stats.timeEnd('Page Request');
page.startRenderingFromIRQueue(data.IRQueue, depFonts);
}, this);
@ -840,6 +842,7 @@ var PDFDoc = (function PDFDocClosure() {
startRendering: function pdfDocStartRendering(page) {
// The worker might not be ready to receive the page request yet.
this.workerReadyPromise.then(function pdfDocStartRenderingThen() {
page.stats.time('Page Request');
this.messageHandler.send('page_request', page.pageNumber + 1);
}.bind(this));
},