chrome-performance-logs-recorder

Record performance logs from chrome browser to json file.

Description

chrome-performance-logs-recorder starts selenium using selenium-standalone and then uses wd client to browse specified url.

After specified duration it dumps performance logs and writes them to json file.

--debug (default false) - enabled debug output
--duration (default 5000) - duration of logs gathering in ms
--filter-event-names (default '') - comma separated event names to filter for
--local-storage (default 'key:value') - can be used to pass one key:value pair to local storage
--output-filename (default 'trace.json') - filename where recorded trace will be written
--silent (default false) - disables output to console
--trace-categories (default 'devtools.timeline,disabled-by-default-devtools.timeline.frame,rail') - comma separated trace categories
--trim (default=0) - removes specified % of events (half of the value at the beginning and half at the end)
--url (default '') - url of page for which logs will be recorded
--verbose (default false) - enables verbose output

yarn install

node build/main.js
    --url='http://example.com'

To get list of all available trace categories browse chrome://tracing/ in chrome.

MIT