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#!/usr/bin/env python2.7
from __future__ import print_function
import argparse
import cgi
import codecs
import errno
import functools
from multiprocessing import cpu_count
import os.path
import re
import shutil
import sys
from pygments import highlight
from pygments.lexers.c_cpp import CppLexer
from pygments.formatters import HtmlFormatter
import optpmap
import optrecord
desc = '''Generate HTML output to visualize optimization records from the YAML files
generated with -fsave-optimization-record and -fdiagnostics-show-hotness.
The tools requires PyYAML and Pygments Python packages.'''
# This allows passing the global context to the child processes.
class Context:
def __init__(self, caller_loc = dict()):
# Map function names to their source location for function where inlining happened
self.caller_loc = caller_loc
context = Context()
def suppress(remark):
if remark.Name == 'sil.Specialized':
return remark.getArgDict()['Function'][0].startswith('\"Swift.')
elif remark.Name == 'sil.Inlined':
return remark.getArgDict()['Callee'][0].startswith(('\"Swift.', '\"specialized Swift.'))
return False
class SourceFileRenderer:
def __init__(self, source_dir, output_dir, filename):
existing_filename = None
if os.path.exists(filename):
existing_filename = filename
else:
fn = os.path.join(source_dir, filename)
if os.path.exists(fn):
existing_filename = fn
self.stream = codecs.open(os.path.join(output_dir, optrecord.html_file_name(filename)), 'w', encoding='utf-8')
if existing_filename:
self.source_stream = open(existing_filename)
else:
self.source_stream = None
print('''
<html>
<h1>Unable to locate file {}</h1>
</html>
'''.format(filename), file=self.stream)
self.html_formatter = HtmlFormatter(encoding='utf-8')
self.cpp_lexer = CppLexer(stripnl=False)
def render_source_lines(self, stream, line_remarks):
file_text = stream.read()
if args.no_highlight:
html_highlighted = file_text.decode('utf-8')
else:
html_highlighted = highlight(
file_text,
self.cpp_lexer,
self.html_formatter)
# Note that the API is different between Python 2 and 3. On
# Python 3, pygments.highlight() returns a bytes object, so we
# have to decode. On Python 2, the output is str but since we
# support unicode characters and the output streams is unicode we
# decode too.
html_highlighted = html_highlighted.decode('utf-8')
# Take off the header and footer, these must be
# reapplied line-wise, within the page structure
html_highlighted = html_highlighted.replace('<div class="highlight"><pre>', '')
html_highlighted = html_highlighted.replace('</pre></div>', '')
for (linenum, html_line) in enumerate(html_highlighted.split('\n'), start=1):
print(u'''
<tr>
<td><a name=\"L{linenum}\">{linenum}</a></td>
<td></td>
<td></td>
<td><div class="highlight"><pre>{html_line}</pre></div></td>
</tr>'''.format(**locals()), file=self.stream)
for remark in line_remarks.get(linenum, []):
if not suppress(remark):
self.render_inline_remarks(remark, html_line)
def render_inline_remarks(self, r, line):
inlining_context = r.DemangledFunctionName
dl = context.caller_loc.get(r.Function)
if dl:
dl_dict = dict(list(dl))
link = optrecord.make_link(dl_dict['File'], dl_dict['Line'] - 2)
inlining_context = "<a href={link}>{r.DemangledFunctionName}</a>".format(**locals())
# Column is the number of characters *including* tabs, keep those and
# replace everything else with spaces.
indent = line[:max(r.Column, 1) - 1]
indent = re.sub('\S', ' ', indent)
print(u'''
<tr>
<td></td>
<td>{r.RelativeHotness}</td>
<td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td>
<td><pre style="display:inline">{indent}</pre><span class=\"column-entry-yellow\"> {r.message} </span></td>
<td class=\"column-entry-yellow\">{inlining_context}</td>
</tr>'''.format(**locals()), file=self.stream)
def render(self, line_remarks):
if not self.source_stream:
return
print('''
<html>
<head>
<link rel='stylesheet' type='text/css' href='style.css'>
</head>
<body>
<div class="centered">
<table class="source">
<thead>
<tr>
<th style="width: 2%">Line</td>
<th style="width: 3%">Hotness</td>
<th style="width: 10%">Optimization</td>
<th style="width: 70%">Source</td>
<th style="width: 15%">Inline Context</td>
</tr>
</thead>
<tbody>''', file=self.stream)
self.render_source_lines(self.source_stream, line_remarks)
print('''
</tbody>
</table>
</body>
</html>''', file=self.stream)
class IndexRenderer:
def __init__(self, output_dir, should_display_hotness):
self.stream = codecs.open(os.path.join(output_dir, 'index.html'), 'w', encoding='utf-8')
self.should_display_hotness = should_display_hotness
def render_entry(self, r, odd):
escaped_name = cgi.escape(r.DemangledFunctionName)
print(u'''
<tr>
<td class=\"column-entry-{odd}\"><a href={r.Link}>{r.DebugLocString}</a></td>
<td class=\"column-entry-{odd}\">{r.RelativeHotness}</td>
<td class=\"column-entry-{odd}\">{escaped_name}</td>
<td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td>
</tr>'''.format(**locals()), file=self.stream)
def render(self, all_remarks):
print('''
<html>
<head>
<link rel='stylesheet' type='text/css' href='style.css'>
</head>
<body>
<div class="centered">
<table>
<tr>
<td>Source Location</td>
<td>Hotness</td>
<td>Function</td>
<td>Pass</td>
</tr>''', file=self.stream)
max_entries = None
if should_display_hotness:
max_entries = args.max_hottest_remarks_on_index
for i, remark in enumerate(all_remarks[:max_entries]):
if not suppress(remark):
self.render_entry(remark, i % 2)
print('''
</table>
</body>
</html>''', file=self.stream)
def _render_file(source_dir, output_dir, ctx, entry):
global context
context = ctx
filename, remarks = entry
SourceFileRenderer(source_dir, output_dir, filename).render(remarks)
def map_remarks(all_remarks):
# Set up a map between function names and their source location for
# function where inlining happened
for remark in optrecord.itervalues(all_remarks):
if isinstance(remark, optrecord.Passed) and remark.Pass == "inline" and remark.Name == "Inlined":
for arg in remark.Args:
arg_dict = dict(list(arg))
caller = arg_dict.get('Caller')
if caller:
try:
context.caller_loc[caller] = arg_dict['DebugLoc']
except KeyError:
pass
def generate_report(all_remarks,
file_remarks,
source_dir,
output_dir,
should_display_hotness,
num_jobs,
should_print_progress):
try:
os.makedirs(output_dir)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(output_dir):
pass
else:
raise
_render_file_bound = functools.partial(_render_file, source_dir, output_dir, context)
if should_print_progress:
print('Rendering HTML files...')
optpmap.pmap(_render_file_bound,
file_remarks.items(),
num_jobs,
should_print_progress)
if should_display_hotness:
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)
else:
sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function))
IndexRenderer(args.output_dir, should_display_hotness).render(sorted_remarks)
shutil.copy(os.path.join(os.path.dirname(os.path.realpath(__file__)),
"style.css"), output_dir)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=desc)
parser.add_argument(
'yaml_dirs_or_files',
nargs='+',
help='List of optimization record files or directories searched '
'for optimization record files.')
parser.add_argument(
'--output-dir',
'-o',
default='html',
help='Path to a directory where generated HTML files will be output. '
'If the directory does not already exist, it will be created. '
'"%(default)s" by default.')
parser.add_argument(
'--jobs',
'-j',
default=cpu_count(),
type=int,
help='Max job count (defaults to %(default)s, the current CPU count)')
parser.add_argument(
'--source-dir',
'-s',
default='',
help='set source directory')
parser.add_argument(
'--no-progress-indicator',
'-n',
action='store_true',
default=False,
help='Do not display any indicator of how many YAML files were read '
'or rendered into HTML.')
parser.add_argument(
'--max-hottest-remarks-on-index',
default=1000,
type=int,
help='Maximum number of the hottest remarks to appear on the index page')
parser.add_argument(
'--no-highlight',
action='store_true',
default=False,
help='Do not use a syntax highlighter when rendering the source code')
parser.add_argument(
'--demangler',
help='Set the demangler to be used (defaults to %s)' % optrecord.Remark.default_demangler)
args = parser.parse_args()
print_progress = not args.no_progress_indicator
if args.demangler:
optrecord.Remark.set_demangler(args.demangler)
files = optrecord.find_opt_files(*args.yaml_dirs_or_files)
if not files:
parser.error("No *.opt.yaml files found")
sys.exit(1)
all_remarks, file_remarks, should_display_hotness = \
optrecord.gather_results(files, args.jobs, print_progress)
map_remarks(all_remarks)
generate_report(all_remarks,
file_remarks,
args.source_dir,
args.output_dir,
should_display_hotness,
args.jobs,
print_progress)
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