1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Chrome #include Analysis</title>
<!--Generated by analyze_includes.py. Provides the 'data' object.-->
<script src="include-analysis.js"></script>
<style>
tr td { text-align: right; }
tr td:nth-child(1) { text-align: left; }
tr td:nth-child(2) { text-align: left; }
table#edges tr td:nth-child(3) { text-align: left; }
tbody tr:hover { background-color: #dddddd; }
th { position: sticky; top: 0; background-color: #ffffff }
table#files th:nth-child(n+2) { cursor: pointer; }
th.highlighted { background-color: #dddddd }
th.reversed::after { content: " \2303"; }
#filterResults, #edgeFilterResults { font-weight: bold }
</style>
</head>
<body>
<h1>Chrome #include Analysis (go/chrome-includes) Beta</h1>
<p>Build target: <span id="buildTarget">x</span> (Linux). Revision: <span id="buildRevision">x</span>. Analyzed on: <span id="analysisDate">x</span>.</p>
<p>Number of translation units: <span id="numRoots">x</span>. Total build size (sum of expanded translation unit sizes): <span id="totBuildSize">x</span> bytes.</p>
<p>Number of files: <span id="numFiles">x</span>. Total file size: <span id="totFileSize">x</span> bytes.</p>
<p><a href="https://commondatastorage.googleapis.com/chromium-browser-clang/chrome_includes-index.html">Archive</a></p>
<button onClick="changeState({view: 'files'})">Per-File Analysis</button>
<button onClick="changeState({view: 'edges'})">Per-Edge Analysis</button>
<label for="limit">Display limit: </label>
<input type="number" id="limit" name="limit" onchange="changeState({limit: event.target.value})">
<hr>
<div id="filesview">
<h2>Per-File Analysis</h2>
<p>
<label for="filter">Filter: (regex)</label>
<input type="text" id="filter" name="filter" size="60">
<button onClick="changeState({filter: document.getElementById('filter').value})" id="apply">Apply</button>
<button onClick="changeState({filter: ''})">Clear</button>
<span id="filterResults"></span>
</p>
<table border="1" id="files">
<thead>
<tr>
<th>#</th>
<th id="filename" onclick="changeState({sort: 'filename'})">Filename</th>
<th id="isize" colspan="2" onclick="changeState({sort: 'isize'})" title="The size of the individual file. Also shown as percentage of the total file size.">Individual Size (B) ⓘ</th>
<th id="tsize" colspan="2" onclick="changeState({sort: 'tsize'})" title="The size of the file and all the files it includes, directly and indirectly. Also shown as percentage of the total build size.">Expanded Size (B) ⓘ</th>
<th id="asize" colspan="2" onclick="changeState({sort: 'asize'})" title="The size added by this file being part of the build. In other words, if this file were empty and had no includes, how much smaller would the build be. Also shown as percentage of the total build size.">Added Size (B) ⓘ</th>
<th id="prevalence" colspan="2" onclick="changeState({sort: 'prevalence'})" title="Number of translation units that this file is part of. Also shown as percentage of the number of translation units.">Occurrences ⓘ</th>
<th id="includedby" onclick="changeState({sort: 'includedby'})" title="In how many files this file is included directly. Click the number to see the files.">Directly Included In ⓘ</th>
<th id="includes" onclick="changeState({sort: 'includes'})" title="How many files this file includes directly. Click the number to see the files.">Direct Includes ⓘ</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
<div id="edgesview" style="display: none">
<h2>Per-Edge Analysis</h2>
<p>
<label for="includerFilter">Includer (regex):</label>
<input type="text" id="includerFilter" name="includerFilter" size="60">
<label for="includedFilter">Included (regex):</label>
<input type="text" id="includedFilter" name="includedFilter" size="60">
<button onClick="changeState({includer: document.getElementById('includerFilter').value, included: document.getElementById('includedFilter').value})" id="applyEdgeFilter">Apply Filter</button>
<button onClick="changeState({includer: '', included: ''})">Clear</button>
<span id="edgeFilterResults"></span>
</p>
<table border="1" id="edges">
<thead>
<tr>
<th>#</th>
<th>Includer</th>
<th>Included</th>
<th colspan="2" title="The size added by this include edge being part of the build. In other words, if this include edge didn't exist, how much smaller would the build be. Also shown as percentage of the total build size.">Added Size (B) ⓘ</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
<hr>
<p>File size does not correlate perfectly with compile time, but can serve as a rough guide to what files are slow to compile.</p>
<p>Analysis by <a href="https://source.chromium.org/chromium/chromium/src/+/HEAD:tools/clang/scripts/analyze_includes.py">analyze_includes.py</a>.</p>
<script>
"use strict";
document.getElementById('filter').addEventListener('keyup', function(event) {
if (event.keyCode == 13) {
document.getElementById('apply').click();
}
});
document.getElementById('includerFilter').addEventListener('keyup', function(event) {
if (event.keyCode == 13) {
document.getElementById('applyEdgeFilter').click();
}
});
document.getElementById('includedFilter').addEventListener('keyup', function(event) {
if (event.keyCode == 13) {
document.getElementById('applyEdgeFilter').click();
}
});
function sum(arr) {
return arr.reduce((a, b) => a + b, 0);
}
const numberFormat = new Intl.NumberFormat('en-US');
function fmt(num) {
return numberFormat.format(num);
}
function regexEscape(str) {
str = str.replaceAll('+', '\\+');
str = str.replaceAll('.', '\\.');
return str;
}
const totFileSize = sum(data.sizes);
const totBuildSize = sum(data.roots.map(r => data.tsizes[r]));
const numRoots = data.roots.length;
document.getElementById('buildTarget').textContent = data.target;
document.getElementById('buildRevision').innerHTML =
`<a href="https://chromium.googlesource.com/chromium/src/+/${data.revision}">${data.revision}</a>`;
document.getElementById('analysisDate').textContent = data.date;
document.getElementById('numRoots').textContent = fmt(numRoots);
document.getElementById('totBuildSize').textContent = fmt(totBuildSize);
document.getElementById('numFiles').textContent = fmt(data.files.length);
document.getElementById('totFileSize').textContent = fmt(totFileSize);
function updateView() {
let s = getState();
document.getElementById('filesview').style = 'display: none';
document.getElementById('edgesview').style = 'display: none';
if (s.get('view') == 'files') {
document.getElementById('filesview').style = 'display: block';
buildFilesTable();
}
if (s.get('view') == 'edges') {
document.getElementById('edgesview').style = 'display: block';
buildEdgesTable();
}
document.getElementById('limit').value = s.get('limit')
}
function intersect(arr1, arr2) {
let s2 = new Set(arr2);
return arr1.filter(x => s2.has(x));
}
function buildFilesTable() {
let fileNums = [...Array(data.files.length).keys()];
const state = getState();
const filter = state.get('filter');
document.getElementById('filter').value = filter;
if (filter !== '') {
const re = new RegExp(filter);
fileNums = fileNums.filter(i => data.files[i].match(re));
document.getElementById('filterResults').innerHTML =
`${fmt(fileNums.length)} result${fileNums.length == 1 ? '' : 's'}.`;
} else {
document.getElementById('filterResults').innerHTML = '';
}
const sortFuncs = {
filename: (i, j) => data.files[i].localeCompare(data.files[j]),
isize: (i, j) => data.sizes[j] - data.sizes[i],
tsize: (i, j) => data.tsizes[j] - data.tsizes[i],
prevalence: (i, j) => data.prevalence[j] - data.prevalence[i],
includedby: (i, j) => data.included_by[j].length - data.included_by[i].length,
includes: (i, j) => data.includes[j].length - data.includes[i].length,
asize: (i, j) => data.asizes[j] - data.asizes[i],
};
document.querySelectorAll('th').forEach(th => th.classList.remove('highlighted', 'reversed'));
document.getElementById(state.get('sort')).classList.add('highlighted', ...(state.get('reverse') ? ['reversed'] : []));
fileNums.sort(sortFuncs[state.get('sort')]);
if (state.get('reverse')) {
fileNums.reverse();
}
const limit = Math.min(parseInt(state.get('limit')), fileNums.length);
fileNums = fileNums.slice(0, limit);
function buildRow(i, rank) {
return `
<tr>
<td>${rank + 1}</td>
<td>
<a href="#${changedStateHash({filter: '^' + regexEscape(data.files[i] + '$')})}">${data.files[i]}</a>
[<a href="https://source.chromium.org/chromium/chromium/src/+/HEAD:${data.files[i]}">cs</a>]
</td>
<td>${fmt(data.sizes[i])}</td> <td>${(100 * data.sizes[i] / totFileSize).toFixed(2)} %</td>
<td>${fmt(data.tsizes[i])}</td> <td>${(100 * data.tsizes[i] / totBuildSize).toFixed(2)} %</td>
<td>${fmt(data.asizes[i])}</td> <td>${(100 * data.asizes[i] / totBuildSize).toFixed(2)} %</td>
<td>${fmt(data.prevalence[i])}</td> <td>${(100 * data.prevalence[i] / numRoots).toFixed(2)} %</td>
<td><a href="#${changedStateHash({view: 'edges', includer: '', included: '^' + regexEscape(data.files[i]) + '$'})}">${fmt(data.included_by[i].length)}</a></td>
<td><a href="#${changedStateHash({view: 'edges', included: '', includer: '^' + regexEscape(data.files[i]) + '$'})}">${fmt(data.includes[i].length)}</a></td>
</tr>
`;
}
const tbody = document.querySelector('table#files tbody');
tbody.innerHTML = fileNums.map(buildRow).join('');
}
function buildEdgesTable() {
const state = getState();
const includerFilter = state.get('includer');
const includedFilter = state.get('included');
document.getElementById('includerFilter').value = includerFilter;
document.getElementById('includedFilter').value = includedFilter;
const includerRe = new RegExp(includerFilter);
const includedRe = new RegExp(includedFilter);
let edgeSizes = [];
for (let src = 0; src < data.esizes.length; src++) {
for (let dst = 0; dst < data.esizes[src].length; dst++) {
const includer = src;
const included = data.includes[src][dst];
const esize = data.esizes[src][dst];
if (!data.files[includer].match(includerRe))
continue;
if (!data.files[included].match(includedRe))
continue;
edgeSizes.push([src, data.includes[src][dst], data.esizes[src][dst]]);
}
}
if (includerFilter == '' && includedFilter == '') {
document.getElementById('edgeFilterResults').innerHTML = '';
} else {
document.getElementById('edgeFilterResults').innerHTML =
`${fmt(edgeSizes.length)} result${edgeSizes.length == 1 ? '' : 's'}.`;
}
function buildRow(edgeNum) {
const src = edgeSizes[edgeNum][0];
const dst = edgeSizes[edgeNum][1];
const size = edgeSizes[edgeNum][2];
return `
<tr>
<td>${edgeNum + 1}</td>
<td>
<a href="#${changedStateHash({view: 'files', filter: '^' + regexEscape(data.files[src]) + '$'})}">${data.files[src]}</a>
[<a href="https://source.chromium.org/chromium/chromium/src/+/HEAD:${data.files[src]}">cs</a>]
</td>
<td>
<a href="#${changedStateHash({view: 'files', filter: '^' + regexEscape(data.files[dst]) + '$'})}">${data.files[dst]}</a>
[<a href="https://source.chromium.org/chromium/chromium/src/+/HEAD:${data.files[dst]}">cs</a>]
</td>
<td>${fmt(size)}</td> <td>${(100 * size / totBuildSize).toFixed(2)} %</td>
</tr>
`;
}
edgeSizes.sort((x, y) => y[2] - x[2]);
const limit = Math.min(parseInt(state.get('limit')), edgeSizes.length);
const edgeNums = [...Array(limit).keys()];
const tbody = document.querySelector('table#edges tbody');
tbody.innerHTML = edgeNums.map(buildRow).join('');
document.querySelector('table#edges').appendChild(tbody);
}
function getState() {
let params = new URLSearchParams(window.location.hash.substring(1));
if (!params.has('view'))
params.set('view', 'files');
if (!params.has('filter'))
params.set('filter', '');
if (!params.has('sort'))
params.set('sort', 'asize');
if (!params.has('reverse'))
params.set('reverse', '');
if (!params.has('includer'))
params.set('includer', '');
if (!params.has('included'))
params.set('included', '');
if (!params.has('limit'))
params.set('limit', '1000');
return params;
}
function changedStateHash(changes) {
let s = getState();
for (const [key, value] of Object.entries(changes)) {
if (key === 'sort') {
if (value === s.get('sort')) {
s.set('reverse', s.get('reverse') ? '' : '1');
continue;
} else {
s.set('reverse', '');
}
}
s.set(key, value);
}
return s.toString();
}
function changeState(changes) {
window.location.hash = changedStateHash(changes);
}
window.onhashchange = updateView;
updateView();
</script>
</body>
</html>
|
