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README.md

Monroe-browsertime

Monroe-browserime is based on browsertime framework that allows us to collect a range of web performance metrics while visiting a target webpage using either Firefox or Google-chrome in headless mode. Browsertime uses Selenium NodeJS to drive the browser. It starts the browser, load a URL, executes configurable Javascripts to collect metrics such as Navigation Timing, User Timing, Resource Timing, first paint and RUM Speed Index.

Input

The default input values are (can be overridden by a /monroe/config):

{
	"guid": "no.guid.in.config.file",  # Should be overridden by scheduler
	"url": "http://193.10.227.25/test/1000M.zip",
	"size": 3*1024,  # The maximum size in Kbytes to download
	"time": 3600,  # The maximum time in seconds for a download
	"zmqport": "tcp://172.17.0.1:5556",
	"modem_metadata_topic": "MONROE.META.DEVICE.MODEM",
	"dataversion": 1,
	"dataid": "MONROE.EXP.HEADLESS.BROWSERTIME",
	"nodeid": "fake.nodeid",
	"meta_grace": 120,  # Grace period to wait for interface metadata
	"exp_grace": 120,  # Grace period before killing experiment
	"ifup_interval_check": 6,  # Interval to check if interface is up
	"time_between_experiments": 5,
	"verbosity": 2,  # 0 = "Mute", 1=error, 2=Information, 3=verbose
	"resultdir": "/monroe/results/",
	"modeminterfacename": "InternalInterface",
	"urls": ['www.google.com/#q=stockholm,+sweden'], 
	"http_protocols":["h1s","h2","quic"],
	"browsers":["firefox","chrome"],
	"iterations": 1,
	"allowed_interfaces": ["op0","op1"],  # Interfaces to run the experiment on
	"interfaces_without_metadata": ["eth0"]  # Manual metadata on these IF
	}

For example, using the above inputs (default), the experiment will download the search results with different combinations of three different http protocols and two different browsers and two different source interfaces each time. Note that since Firefox does not support quic, such combnation will be skipped. So, it is possible to input required urls, http protocols, iterations, interfaces etc. during scheduling the experiment.

Output

The experiment generates a single JSON file like the following

{
  "DataId": "MONROE.EXP.HEADLESS.BROWSERTIME",
  "protocol": "HTTP2",
  "ping_min": 40.3,
  "firstPaint": 347.0999999990454,
  "ping_max": 58.3,
  "InterfaceName": "wwan0",
  "rumSpeedIndex": 2333,
  "SequenceNumber": 1,
  "DataVersion": 1,
  "Timestamp": 1523106757.909184,
  "navigationTiming": "{u'domContentLoadedEventStart': 1742, u'responseEnd': 980, u'loadEventStart': 6051, u'unloadEventStart': 123, u'domainLookupEnd': 0, u'connectEnd': 0, u'unloadEventEnd': 123, u'requestStart': 13, u'loadEventEnd': 6149, u'navigationStart': 0, u'domLoading': 154, u'domInteractive': 1742, u'fetchStart': 0, u'domComplete': 6034, u'domContentLoadedEventEnd': 1743, u'responseStart': 116, u'connectStart': 0, u'domainLookupStart': 0}",
  "pageTimings": "{u'backEndTime': 116, u'domainLookupTime': 0, u'redirectionTime': 0, u'domContentLoadedTime': 1742, u'pageDownloadTime': 864, u'domInteractiveTime': 1742, u'serverConnectionTime': 0, u'serverResponseTime': 967, u'frontEndTime': 5071, u'pageLoadTime': 6051}",
  "IPAddress": "2.65.44.99",
  "pageinfo": "{u'responsive': True, u'documentWidth': 1184, u'documentTitle': u'stockholm, sweden - S\\xf6k p\\xe5 Google', u'documentHeight': 4065}",
  "ping_exp": true,
  "InternalInterface": "op0",
  "Country": "SE",
  "NodeId": "488",
  "info": "{u'browsertime': {u'version': u'2.1.3'}, u'url': u'https://www.google.com/#q=stockholm,+sweden', u'timestamp': u'2018-04-07T13:12:23+00:00'}",
  "NWMCCMNC": 24002,
  "url": "www.google.com/#q=stockholm,+sweden",
  "pageLoadTime": 6051,
  "Ops": "Tre (SE)",
  "ping_avg": 47.5,
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