benchmark_server.py

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from __future__ import print_function

import json

import os

import subprocess

import time

import urllib2

FILE = 'perf.json'

URL = 'https://wrperf.org/submit'

while True:

    try:

        # Remove any previous results

        try:

            os.remove(FILE)

        except Exception:

            pass

        # Pull latest code

        subprocess.call(["git", "pull"])

        # Get the git revision of this build

        revision = subprocess.check_output(["git", "rev-parse", "HEAD"]).strip()

        # Build

        subprocess.call(["cargo", "build", "--release"])

        # Run benchmarks

        env = os.environ.copy()

        # Ensure that vsync is disabled, to get meaningful 'composite' times.

        env['vblank_mode'] = '0'

        subprocess.call(["cargo", "run", "--release", "--", "perf", FILE], env=env)

        # Read the results

        with open(FILE) as file:

            results = json.load(file)

        # Post the results to server

        payload = {

            'key': env['WEBRENDER_PERF_KEY'],

            'revision': revision,

            'timestamp': str(time.time()),

            'tests': results['tests'],

        req = urllib2.Request(URL,

                              headers={"Content-Type": "application/json"},

                              data=json.dumps(payload))

        f = urllib2.urlopen(req)

    except Exception as e:

        print(e)

    # Delay a bit until next benchmark

    time.sleep(60 * 60)