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+#!/usr/bin/env python2.7
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+# Copyright 2017, Google Inc.
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+# All rights reserved.
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+#
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+# Redistribution and use in source and binary forms, with or without
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+# modification, are permitted provided that the following conditions are
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+# met:
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+#
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+# * Redistributions of source code must retain the above copyright
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+# notice, this list of conditions and the following disclaimer.
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+# * Redistributions in binary form must reproduce the above
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+# copyright notice, this list of conditions and the following disclaimer
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+# in the documentation and/or other materials provided with the
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+# distribution.
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+# * Neither the name of Google Inc. nor the names of its
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+# contributors may be used to endorse or promote products derived from
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+# this software without specific prior written permission.
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+#
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+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+
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+import multiprocessing
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+import os
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+import subprocess
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+import sys
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+
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+import python_utils.jobset as jobset
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+import python_utils.start_port_server as start_port_server
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+
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+flamegraph_dir = os.path.join(os.path.expanduser('~'), 'FlameGraph')
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+
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+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
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+if not os.path.exists('reports'):
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+ os.makedirs('reports')
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+
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+port_server_port = 32766
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+start_port_server.start_port_server(port_server_port)
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+
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+def fnize(s):
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+ out = ''
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+ for c in s:
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+ if c in '<>, /':
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+ if len(out) and out[-1] == '_': continue
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+ out += '_'
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+ else:
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+ out += c
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+ return out
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+
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+# index html
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+index_html = """
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+<html>
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+<head>
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+<title>Microbenchmark Results</title>
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+</head>
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+<body>
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+"""
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+
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+def heading(name):
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+ global index_html
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+ index_html += "<h1>%s</h1>\n" % name
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+
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+def link(txt, tgt):
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+ global index_html
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+ index_html += "<p><a href=\"%s\">%s</a></p>\n" % (tgt, txt)
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+
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+benchmarks = []
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+profile_analysis = []
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+cleanup = []
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+
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+for bm_name in sys.argv[1:]:
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+ # generate latency profiles
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+ heading('Latency Profiles: %s' % bm_name)
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+ subprocess.check_call(
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+ ['make', bm_name,
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+ 'CONFIG=basicprof', '-j', '%d' % multiprocessing.cpu_count()])
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+ for line in subprocess.check_output(['bins/basicprof/%s' % bm_name,
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+ '--benchmark_list_tests']).splitlines():
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+ link(line, '%s.txt' % fnize(line))
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+ benchmarks.append(
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+ jobset.JobSpec(['bins/basicprof/%s' % bm_name, '--benchmark_filter=^%s$' % line],
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+ environ={'LATENCY_TRACE': '%s.trace' % fnize(line)}))
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+ profile_analysis.append(
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+ jobset.JobSpec([sys.executable,
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+ 'tools/profiling/latency_profile/profile_analyzer.py',
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+ '--source', '%s.trace' % fnize(line), '--fmt', 'simple',
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+ '--out', 'reports/%s.txt' % fnize(line)], timeout_seconds=None))
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+ cleanup.append(jobset.JobSpec(['rm', '%s.trace' % fnize(line)]))
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+ # periodically flush out the list of jobs: profile_analysis jobs at least
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+ # consume upwards of five gigabytes of ram in some cases, and so analysing
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+ # hundreds of them at once is impractical -- but we want at least some
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+ # concurrency or the work takes too long
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+ if len(benchmarks) >= min(4, multiprocessing.cpu_count()):
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+ # run up to half the cpu count: each benchmark can use up to two cores
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+ # (one for the microbenchmark, one for the data flush)
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+ jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
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+ add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
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+ jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
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+ jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())
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+ benchmarks = []
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+ profile_analysis = []
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+ cleanup = []
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+ # run the remaining benchmarks that weren't flushed
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+ if len(benchmarks):
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+ jobset.run(benchmarks, maxjobs=max(1, multiprocessing.cpu_count()/2),
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+ add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
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+ jobset.run(profile_analysis, maxjobs=multiprocessing.cpu_count())
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+ jobset.run(cleanup, maxjobs=multiprocessing.cpu_count())
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+
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+ # generate flamegraphs
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+ heading('Flamegraphs: %s' % bm_name)
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+ subprocess.check_call(
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+ ['make', bm_name,
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+ 'CONFIG=mutrace', '-j', '%d' % multiprocessing.cpu_count()])
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+ for line in subprocess.check_output(['bins/mutrace/%s' % bm_name,
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+ '--benchmark_list_tests']).splitlines():
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+ subprocess.check_call(['sudo', 'perf', 'record', '-g', '-c', '1000',
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+ 'bins/mutrace/%s' % bm_name,
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+ '--benchmark_filter=^%s$' % line,
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+ '--benchmark_min_time=20'])
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+ with open('/tmp/bm.perf', 'w') as f:
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+ f.write(subprocess.check_output(['sudo', 'perf', 'script']))
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+ with open('/tmp/bm.folded', 'w') as f:
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+ f.write(subprocess.check_output([
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+ '%s/stackcollapse-perf.pl' % flamegraph_dir, '/tmp/bm.perf']))
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+ link(line, '%s.svg' % fnize(line))
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+ with open('reports/%s.svg' % fnize(line), 'w') as f:
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+ f.write(subprocess.check_output([
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+ '%s/flamegraph.pl' % flamegraph_dir, '/tmp/bm.folded']))
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+
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+index_html += "</body>\n</html>\n"
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+with open('reports/index.html', 'w') as f:
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+ f.write(index_html)
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Craig Tiller