vue-marky.js

const marky = require('marky')
const render = Vue.prototype._render
const update = Vue.prototype._update
const camelize = str => str && Vue.util.camelize(str)

function getName (vm) {
  if (!vm.$parent) return 'root'
  return (
    camelize(vm.$options.name) ||
    camelize(vm.$options._componentTag) ||
    'anonymous'
  ) + `-${vm._uid}`
}

Vue.prototype._render = function () {
  const id = `render:${getName(this)}`
  marky.mark(id)
  const vnode = render.apply(this, arguments)
  marky.stop(id)
  return vnode
}

Vue.prototype._update = function () {
  const id = `patch:${getName(this)}`
  marky.mark(id)
  update.apply(this, arguments)
  marky.stop(id)
}

lol marky.mark().