Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

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#!/usr/bin/env python
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from __future__ import print_function
4
 
5
import argparse
6
import errno
7
import functools
8
import html
9
import io
10
from multiprocessing import cpu_count
11
import os.path
12
import re
13
import shutil
14
import sys
15
 
16
from pygments import highlight
17
from pygments.lexers.c_cpp import CppLexer
18
from pygments.formatters import HtmlFormatter
19
 
20
import optpmap
21
import optrecord
22
 
23
 
24
desc = '''Generate HTML output to visualize optimization records from the YAML files
25
generated with -fsave-optimization-record and -fdiagnostics-show-hotness.
26
 
27
The tools requires PyYAML and Pygments Python packages.'''
28
 
29
 
30
# This allows passing the global context to the child processes.
31
class Context:
32
    def __init__(self, caller_loc = dict()):
33
       # Map function names to their source location for function where inlining happened
34
       self.caller_loc = caller_loc
35
 
36
context = Context()
37
 
38
def suppress(remark):
39
    if remark.Name == 'sil.Specialized':
40
        return remark.getArgDict()['Function'][0].startswith('\"Swift.')
41
    elif remark.Name == 'sil.Inlined':
42
        return remark.getArgDict()['Callee'][0].startswith(('\"Swift.', '\"specialized Swift.'))
43
    return False
44
 
45
class SourceFileRenderer:
46
    def __init__(self, source_dir, output_dir, filename, no_highlight):
47
        self.filename = filename
48
        existing_filename = None
49
        if os.path.exists(filename):
50
            existing_filename = filename
51
        else:
52
            fn = os.path.join(source_dir, filename)
53
            if os.path.exists(fn):
54
                existing_filename = fn
55
 
56
        self.no_highlight = no_highlight
57
        self.stream = io.open(os.path.join(output_dir, optrecord.html_file_name(filename)), 'w', encoding='utf-8')
58
        if existing_filename:
59
            self.source_stream = io.open(existing_filename, encoding='utf-8')
60
        else:
61
            self.source_stream = None
62
            print(u'''
63
<html>
64
<h1>Unable to locate file {}</h1>
65
</html>
66
            '''.format(filename), file=self.stream)
67
 
68
        self.html_formatter = HtmlFormatter(encoding='utf-8')
69
        self.cpp_lexer = CppLexer(stripnl=False)
70
 
71
    def render_source_lines(self, stream, line_remarks):
72
        file_text = stream.read()
73
 
74
        if self.no_highlight:
75
            html_highlighted = file_text
76
        else:
77
            html_highlighted = highlight(
78
            file_text,
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                self.cpp_lexer,
80
                self.html_formatter)
81
 
82
            # Note that the API is different between Python 2 and 3.  On
83
            # Python 3, pygments.highlight() returns a bytes object, so we
84
            # have to decode.  On Python 2, the output is str but since we
85
            # support unicode characters and the output streams is unicode we
86
            # decode too.
87
            html_highlighted = html_highlighted.decode('utf-8')
88
 
89
            # Take off the header and footer, these must be
90
            #   reapplied line-wise, within the page structure
91
            html_highlighted = html_highlighted.replace('<div class="highlight"><pre>', '')
92
            html_highlighted = html_highlighted.replace('</pre></div>', '')
93
 
94
        for (linenum, html_line) in enumerate(html_highlighted.split('\n'), start=1):
95
            print(u'''
96
<tr>
97
<td><a name=\"L{linenum}\">{linenum}</a></td>
98
<td></td>
99
<td></td>
100
<td><div class="highlight"><pre>{html_line}</pre></div></td>
101
</tr>'''.format(**locals()), file=self.stream)
102
 
103
            for remark in line_remarks.get(linenum, []):
104
                if not suppress(remark):
105
                    self.render_inline_remarks(remark, html_line)
106
 
107
    def render_inline_remarks(self, r, line):
108
        inlining_context = r.DemangledFunctionName
109
        dl = context.caller_loc.get(r.Function)
110
        if dl:
111
            dl_dict = dict(list(dl))
112
            link = optrecord.make_link(dl_dict['File'], dl_dict['Line'] - 2)
113
            inlining_context = "<a href={link}>{r.DemangledFunctionName}</a>".format(**locals())
114
 
115
        # Column is the number of characters *including* tabs, keep those and
116
        # replace everything else with spaces.
117
        indent = line[:max(r.Column, 1) - 1]
118
        indent = re.sub('\S', ' ', indent)
119
 
120
        # Create expanded message and link if we have a multiline message.
121
        lines = r.message.split('\n')
122
        if len(lines) > 1:
123
            expand_link = '<a style="text-decoration: none;" href="" onclick="toggleExpandedMessage(this); return false;">+</a>'
124
            message = lines[0]
125
            expand_message = u'''
126
<div class="full-info" style="display:none;">
127
  <div class="col-left"><pre style="display:inline">{}</pre></div>
128
  <div class="expanded col-left"><pre>{}</pre></div>
129
</div>'''.format(indent, '\n'.join(lines[1:]))
130
        else:
131
            expand_link = ''
132
            expand_message = ''
133
            message = r.message
134
        print(u'''
135
<tr>
136
<td></td>
137
<td>{r.RelativeHotness}</td>
138
<td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td>
139
<td><pre style="display:inline">{indent}</pre><span class=\"column-entry-yellow\">{expand_link} {message}&nbsp;</span>{expand_message}</td>
140
<td class=\"column-entry-yellow\">{inlining_context}</td>
141
</tr>'''.format(**locals()), file=self.stream)
142
 
143
    def render(self, line_remarks):
144
        if not self.source_stream:
145
            return
146
 
147
        print(u'''
148
<html>
149
<title>{}</title>
150
<meta charset="utf-8" />
151
<head>
152
<link rel='stylesheet' type='text/css' href='style.css'>
153
<script type="text/javascript">
154
/* Simple helper to show/hide the expanded message of a remark. */
155
function toggleExpandedMessage(e) {{
156
  var FullTextElems = e.parentElement.parentElement.getElementsByClassName("full-info");
157
  if (!FullTextElems || FullTextElems.length < 1) {{
158
      return false;
159
  }}
160
  var FullText = FullTextElems[0];
161
  if (FullText.style.display == 'none') {{
162
    e.innerHTML = '-';
163
    FullText.style.display = 'block';
164
  }} else {{
165
    e.innerHTML = '+';
166
    FullText.style.display = 'none';
167
  }}
168
}}
169
</script>
170
</head>
171
<body>
172
<div class="centered">
173
<table class="source">
174
<thead>
175
<tr>
176
<th style="width: 2%">Line</td>
177
<th style="width: 3%">Hotness</td>
178
<th style="width: 10%">Optimization</td>
179
<th style="width: 70%">Source</td>
180
<th style="width: 15%">Inline Context</td>
181
</tr>
182
</thead>
183
<tbody>'''.format(os.path.basename(self.filename)), file=self.stream)
184
        self.render_source_lines(self.source_stream, line_remarks)
185
 
186
        print(u'''
187
</tbody>
188
</table>
189
</body>
190
</html>''', file=self.stream)
191
 
192
 
193
class IndexRenderer:
194
    def __init__(self, output_dir, should_display_hotness, max_hottest_remarks_on_index):
195
        self.stream = io.open(os.path.join(output_dir, 'index.html'), 'w', encoding='utf-8')
196
        self.should_display_hotness = should_display_hotness
197
        self.max_hottest_remarks_on_index = max_hottest_remarks_on_index
198
 
199
    def render_entry(self, r, odd):
200
        escaped_name = html.escape(r.DemangledFunctionName)
201
        print(u'''
202
<tr>
203
<td class=\"column-entry-{odd}\"><a href={r.Link}>{r.DebugLocString}</a></td>
204
<td class=\"column-entry-{odd}\">{r.RelativeHotness}</td>
205
<td class=\"column-entry-{odd}\">{escaped_name}</td>
206
<td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td>
207
</tr>'''.format(**locals()), file=self.stream)
208
 
209
    def render(self, all_remarks):
210
        print(u'''
211
<html>
212
<meta charset="utf-8" />
213
<head>
214
<link rel='stylesheet' type='text/css' href='style.css'>
215
</head>
216
<body>
217
<div class="centered">
218
<table>
219
<tr>
220
<td>Source Location</td>
221
<td>Hotness</td>
222
<td>Function</td>
223
<td>Pass</td>
224
</tr>''', file=self.stream)
225
 
226
        max_entries = None
227
        if self.should_display_hotness:
228
            max_entries = self.max_hottest_remarks_on_index
229
 
230
        for i, remark in enumerate(all_remarks[:max_entries]):
231
            if not suppress(remark):
232
                self.render_entry(remark, i % 2)
233
        print(u'''
234
</table>
235
</body>
236
</html>''', file=self.stream)
237
 
238
 
239
def _render_file(source_dir, output_dir, ctx, no_highlight, entry, filter_):
240
    global context
241
    context = ctx
242
    filename, remarks = entry
243
    SourceFileRenderer(source_dir, output_dir, filename, no_highlight).render(remarks)
244
 
245
 
246
def map_remarks(all_remarks):
247
    # Set up a map between function names and their source location for
248
    # function where inlining happened
249
    for remark in optrecord.itervalues(all_remarks):
250
        if isinstance(remark, optrecord.Passed) and remark.Pass == "inline" and remark.Name == "Inlined":
251
            for arg in remark.Args:
252
                arg_dict = dict(list(arg))
253
                caller = arg_dict.get('Caller')
254
                if caller:
255
                    try:
256
                        context.caller_loc[caller] = arg_dict['DebugLoc']
257
                    except KeyError:
258
                        pass
259
 
260
 
261
def generate_report(all_remarks,
262
                    file_remarks,
263
                    source_dir,
264
                    output_dir,
265
                    no_highlight,
266
                    should_display_hotness,
267
                    max_hottest_remarks_on_index,
268
                    num_jobs,
269
                    should_print_progress):
270
    try:
271
        os.makedirs(output_dir)
272
    except OSError as e:
273
        if e.errno == errno.EEXIST and os.path.isdir(output_dir):
274
            pass
275
        else:
276
            raise
277
 
278
    if should_print_progress:
279
        print('Rendering index page...')
280
    if should_display_hotness:
281
        sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.Hotness, r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function), reverse=True)
282
    else:
283
        sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function))
284
    IndexRenderer(output_dir, should_display_hotness, max_hottest_remarks_on_index).render(sorted_remarks)
285
 
286
    shutil.copy(os.path.join(os.path.dirname(os.path.realpath(__file__)),
287
            "style.css"), output_dir)
288
 
289
    _render_file_bound = functools.partial(_render_file, source_dir, output_dir, context, no_highlight)
290
    if should_print_progress:
291
        print('Rendering HTML files...')
292
    optpmap.pmap(_render_file_bound,
293
                 file_remarks.items(),
294
                 num_jobs,
295
                 should_print_progress)
296
 
297
 
298
def main():
299
    parser = argparse.ArgumentParser(description=desc)
300
    parser.add_argument(
301
        'yaml_dirs_or_files',
302
        nargs='+',
303
        help='List of optimization record files or directories searched '
304
             'for optimization record files.')
305
    parser.add_argument(
306
        '--output-dir',
307
        '-o',
308
        default='html',
309
        help='Path to a directory where generated HTML files will be output. '
310
             'If the directory does not already exist, it will be created. '
311
             '"%(default)s" by default.')
312
    parser.add_argument(
313
        '--jobs',
314
        '-j',
315
        default=None,
316
        type=int,
317
        help='Max job count (defaults to %(default)s, the current CPU count)')
318
    parser.add_argument(
319
        '--source-dir',
320
        '-s',
321
        default='',
322
        help='set source directory')
323
    parser.add_argument(
324
        '--no-progress-indicator',
325
        '-n',
326
        action='store_true',
327
        default=False,
328
        help='Do not display any indicator of how many YAML files were read '
329
             'or rendered into HTML.')
330
    parser.add_argument(
331
        '--max-hottest-remarks-on-index',
332
        default=1000,
333
        type=int,
334
        help='Maximum number of the hottest remarks to appear on the index page')
335
    parser.add_argument(
336
        '--no-highlight',
337
        action='store_true',
338
        default=False,
339
        help='Do not use a syntax highlighter when rendering the source code')
340
    parser.add_argument(
341
        '--demangler',
342
        help='Set the demangler to be used (defaults to %s)' % optrecord.Remark.default_demangler)
343
 
344
    parser.add_argument(
345
        '--filter',
346
        default='',
347
        help='Only display remarks from passes matching filter expression')
348
 
349
    # Do not make this a global variable.  Values needed to be propagated through
350
    # to individual classes and functions to be portable with multiprocessing across
351
    # Windows and non-Windows.
352
    args = parser.parse_args()
353
 
354
    print_progress = not args.no_progress_indicator
355
    if args.demangler:
356
        optrecord.Remark.set_demangler(args.demangler)
357
 
358
    files = optrecord.find_opt_files(*args.yaml_dirs_or_files)
359
    if not files:
360
        parser.error("No *.opt.yaml files found")
361
        sys.exit(1)
362
 
363
    all_remarks, file_remarks, should_display_hotness = \
364
        optrecord.gather_results(files, args.jobs, print_progress, args.filter)
365
 
366
    map_remarks(all_remarks)
367
 
368
    generate_report(all_remarks,
369
                    file_remarks,
370
                    args.source_dir,
371
                    args.output_dir,
372
                    args.no_highlight,
373
                    should_display_hotness,
374
                    args.max_hottest_remarks_on_index,
375
                    args.jobs,
376
                    print_progress)
377
 
378
if __name__ == '__main__':
379
    main()