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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 113770x 113770x 113770x 113770x 26x 239x 239x 239x 239x 186x 239x 26x 6469x 6469x 6469x 26x 26x 26x 26x 26x 26x | 'use strict';
const binding = internalBinding('performance');
const {
milestones,
getTimeOrigin,
} = binding;
// TODO(joyeecheung): we may want to warn about access to
// this during snapshot building.
let timeOrigin = getTimeOrigin();
function now() {
const hr = process.hrtime();
return (hr[0] * 1000 + hr[1] / 1e6) - timeOrigin;
}
function getMilestoneTimestamp(milestoneIdx) {
const ns = milestones[milestoneIdx];
if (ns === -1)
return ns;
return ns / 1e6 - timeOrigin;
}
function refreshTimeOrigin() {
timeOrigin = getTimeOrigin();
}
module.exports = {
now,
getMilestoneTimestamp,
refreshTimeOrigin
};
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