tools/run_tests/run_microbenchmark.py - platform/external/grpc-grpc - Gitiles

 #!/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

 import python_utils.jobset as jobset
 import python_utils.start_port_server as start_port_server

 flamegraph_dir = os.path.join(os.path.expanduser('~'), 'FlameGraph')

 os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
 if not os.path.exists('reports'):
   os.makedirs('reports')

 port_server_port = 32766
 start_port_server.start_port_server(port_server_port)

 def fnize(s):
   out = ''
   for c in s:
     if c in '<>, /':
       if len(out) and out[-1] == '_': continue
       out += '_'
     else:
       out += c
   return out

 # 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)

 benchmarks = []
 profile_analysis = []
 cleanup = []

 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))
     benchmarks.append(
         jobset.JobSpec(['bins/basicprof/%s' % bm_name, '--benchmark_filter=^%s$' % line],
                        environ={'LATENCY_TRACE': '%s.trace' % fnize(line)}))
     profile_analysis.append(
         jobset.JobSpec([sys.executable,
                         'tools/profiling/latency_profile/profile_analyzer.py',
                         '--source', '%s.trace' % fnize(line), '--fmt', 'simple',
                         '--out', 'reports/%s.txt' % fnize(line)], timeout_seconds=None))
     cleanup.append(jobset.JobSpec(['rm', '%s.trace' % fnize(line)]))
     # periodically flush out the list of jobs: profile_analysis jobs at least
     # consume upwards of five gigabytes of ram in some cases, and so analysing
     # hundreds of them at once is impractical -- but we want at least some
     # concurrency or the work takes too long
     if len(benchmarks) >= min(4, multiprocessing.cpu_count()):
       # run up to half the cpu count: each benchmark can use up to two cores
       # (one for the microbenchmark, one for the data flush)
       jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
                  add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
       jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
       jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())
       benchmarks = []
       profile_analysis = []
       cleanup = []
   # run the remaining benchmarks that weren't flushed
   if len(benchmarks):
     jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
                add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
     jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
     jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())

   # 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:
   f.write(index_html)
	#!/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

	import python_utils.jobset as jobset
	import python_utils.start_port_server as start_port_server

	flamegraph_dir = os.path.join(os.path.expanduser('~'), 'FlameGraph')

	os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
	if not os.path.exists('reports'):
	os.makedirs('reports')

	port_server_port = 32766
	start_port_server.start_port_server(port_server_port)

	def fnize(s):
	out = ''
	for c in s:
	if c in '<>, /':
	if len(out) and out[-1] == '_': continue
	out += '_'
	else:
	out += c
	return out

	# 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)

	benchmarks = []
	profile_analysis = []
	cleanup = []

	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))
	benchmarks.append(
	jobset.JobSpec(['bins/basicprof/%s' % bm_name, '--benchmark_filter=^%s$' % line],
	environ={'LATENCY_TRACE': '%s.trace' % fnize(line)}))
	profile_analysis.append(
	jobset.JobSpec([sys.executable,
	'tools/profiling/latency_profile/profile_analyzer.py',
	'--source', '%s.trace' % fnize(line), '--fmt', 'simple',
	'--out', 'reports/%s.txt' % fnize(line)], timeout_seconds=None))
	cleanup.append(jobset.JobSpec(['rm', '%s.trace' % fnize(line)]))
	# periodically flush out the list of jobs: profile_analysis jobs at least
	# consume upwards of five gigabytes of ram in some cases, and so analysing
	# hundreds of them at once is impractical -- but we want at least some
	# concurrency or the work takes too long
	if len(benchmarks) >= min(4, multiprocessing.cpu_count()):
	# run up to half the cpu count: each benchmark can use up to two cores
	# (one for the microbenchmark, one for the data flush)
	jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
	add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
	jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
	jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())
	benchmarks = []
	profile_analysis = []
	cleanup = []
	# run the remaining benchmarks that weren't flushed
	if len(benchmarks):
	jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
	add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
	jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
	jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())

	# 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:
	f.write(index_html)