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#!/usr/bin/env python2.7
# Copyright 2017, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import multiprocessing
import os
import subprocess
import sys
flamegraph_dir = os.path.join(os.path.expanduser('~'), 'FlameGraph')
def fnize(s):
out = ''
for c in s:
if c in '<>, /':
if len(out) and out[-1] == '_': continue
out += '_'
else:
out += c
return out
os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
if not os.path.exists('reports'):
os.makedirs('reports')
# index html
index_html = """
<html>
<head>
<title>Microbenchmark Results</title>
</head>
<body>
"""
def heading(name):
global index_html
index_html += "<h1>%s</h1>\n" % name
def link(txt, tgt):
global index_html
index_html += "<p><a href=\"%s\">%s</a></p>\n" % (tgt, txt)
for bm_name in sys.argv[1:]:
# generate latency profiles
heading('Latency Profiles: %s' % bm_name)
subprocess.check_call(
['make', bm_name,
'CONFIG=basicprof', '-j', '%d' % multiprocessing.cpu_count()])
for line in subprocess.check_output(['bins/basicprof/%s' % bm_name,
'--benchmark_list_tests']).splitlines():
link(line, '%s.txt' % fnize(line))
with open('reports/%s.txt' % fnize(line), 'w') as f:
f.write(subprocess.check_output(['bins/basicprof/%s' % bm_name,
'--benchmark_filter=^%s$' % line]))
f.write('\n***********************************************************\n')
f.write(subprocess.check_output([
sys.executable, 'tools/profiling/latency_profile/profile_analyzer.py',
'--source', 'latency_trace.txt', '--fmt', 'simple']))
# generate flamegraphs
heading('Flamegraphs: %s' % bm_name)
subprocess.check_call(
['make', bm_name,
'CONFIG=mutrace', '-j', '%d' % multiprocessing.cpu_count()])
for line in subprocess.check_output(['bins/mutrace/%s' % bm_name,
'--benchmark_list_tests']).splitlines():
subprocess.check_call(['sudo', 'perf', 'record', '-g', '-c', '1000',
'bins/mutrace/%s' % bm_name,
'--benchmark_filter=^%s$' % line,
'--benchmark_min_time=20'])
with open('/tmp/bm.perf', 'w') as f:
f.write(subprocess.check_output(['sudo', 'perf', 'script']))
with open('/tmp/bm.folded', 'w') as f:
f.write(subprocess.check_output([
'%s/stackcollapse-perf.pl' % flamegraph_dir, '/tmp/bm.perf']))
link(line, '%s.svg' % fnize(line))
with open('reports/%s.svg' % fnize(line), 'w') as f:
f.write(subprocess.check_output([
'%s/flamegraph.pl' % flamegraph_dir, '/tmp/bm.folded']))
index_html += "</body>\n</html>\n"
with open('reports/index.html', 'w') as f:
w.write(index_html)
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