#!/usr/bin/env python2.7
# Copyright 2017, Google Inc.
# All rights reserved.
#
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# 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.
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# 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
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# (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', '-F', '99',
                           '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)

@@ -3526,15 +3526,17 @@
 , '-
-F
+c
 ', '
-99
+1000
 ',%0A 

Fix perf cmdline