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135 lines
4.1 KiB
Python
135 lines
4.1 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022 ByteDance Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import tempfile
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import os
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import subprocess
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import argparse
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gbench_prefix = "SONIC_NO_ASYNC_GC=1 go test -benchmem -run=none "
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def run(cmd):
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print(cmd)
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if os.system(cmd):
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print ("Failed to run cmd: %s"%(cmd))
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exit(1)
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def run_s(cmd):
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print (cmd)
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try:
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res = os.popen(cmd)
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except subprocess.CalledProcessError as e:
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if e.returncode:
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print (e.output)
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exit(1)
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return res.read()
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def run_r(cmd):
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print (cmd)
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try:
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cmds = cmd.split(' ')
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data = subprocess.check_output(cmds, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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if e.returncode:
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print (e.output)
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exit(1)
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return data.decode("utf-8")
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def compare(args):
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# detech current branch.
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# result = run_r("git branch")
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current_branch = run_s("git status | head -n1 | sed 's/On branch //'")
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# for br in result.split('\n'):
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# if br.startswith("* "):
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# current_branch = br.lstrip('* ')
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# break
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if not current_branch:
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print ("Failed to detech current branch")
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return None
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# get the current diff
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(fd, diff) = tempfile.mkstemp()
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run("git diff > %s"%diff)
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# early return if currrent is main branch.
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print ("Current branch: %s"%(current_branch))
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if current_branch == "main":
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print ("Cannot compare at the main branch.Please build a new branch")
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return None
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# benchmark current branch
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(fd, target) = tempfile.mkstemp(".target.txt")
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run("%s %s ./... 2>&1 | tee %s" %(gbench_prefix, args, target))
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# trying to switch to the latest main branch
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run("git checkout -- .")
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if current_branch != "main":
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run("git checkout main")
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run("git pull --allow-unrelated-histories origin main")
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# benchmark main branch
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(fd, main) = tempfile.mkstemp(".main.txt")
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run("%s %s ./... 2>&1 | tee %s" %(gbench_prefix, args, main))
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# diff the result
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# benchstat = "go get golang.org/x/perf/cmd/benchstat && go install golang.org/x/perf/cmd/benchstat"
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run( "benchstat -sort=delta %s %s"%(main, target))
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run("git checkout -- .")
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# restore branch
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if current_branch != "main":
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run("git checkout %s"%(current_branch))
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run("patch -p1 < %s" % (diff))
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return target
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def main():
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argparser = argparse.ArgumentParser(description='Tools to test the performance. Example: ./bench.py -b Decoder_Generic_Sonic -c')
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argparser.add_argument('-b', '--bench', dest='filter', required=False,
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help='Specify the filter for golang benchmark')
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argparser.add_argument('-c', '--compare', dest='compare', action='store_true', required=False,
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help='Compare with the main benchmarking')
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argparser.add_argument('-t', '--times', dest='times', required=False,
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help='benchmark the times')
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argparser.add_argument('-r', '--repeat_times', dest='count', required=False,
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help='benchmark the count')
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args = argparser.parse_args()
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if args.filter:
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gbench_args = "-bench=%s"%(args.filter)
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else:
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gbench_args = "-bench=."
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if args.times:
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gbench_args += " -benchtime=%s"%(args.times)
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if args.count:
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gbench_args += " -count=%s"%(args.count)
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else:
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gbench_args += " -count=10"
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if args.compare:
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target = compare(gbench_args)
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else:
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target = None
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if not target:
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(fd, target) = tempfile.mkstemp(".target.txt")
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run("%s %s ./... 2>&1 | tee %s" %(gbench_prefix, gbench_args, target))
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if __name__ == "__main__":
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main()
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