Chrome Flags Reference

Chrome command line switches and startup flags for automation, headless mode, and debugging.

--metrics-shmem-handle

What does --metrics-shmem-handle do?

Handle to the shared memory segment a child process should use to transmit histograms back to the browser process.

Usage

CLILaunch Chrome with --metrics-shmem-handle using CLI

chrome --metrics-shmem-handle

PuppeteerLaunch Chrome with --metrics-shmem-handle using Puppeteer

const browser = await puppeteer.launch({
  args: ['--metrics-shmem-handle']
});

PlaywrightLaunch Chrome with --metrics-shmem-handle using Playwright

const browser = await chromium.launch({
  args: ['--metrics-shmem-handle']
});

SeleniumLaunch Chrome with --metrics-shmem-handle using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--metrics-shmem-handle')

driver = webdriver.Chrome(options=options)