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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 | 23x 23x 23x 23x 23x 23x 23x 23x 23x 23x 23x 23x 113406x 113406x 113406x 113406x 23x 239x 239x 239x 239x 186x 239x 23x 5976x 5976x 5976x 23x 23x 23x 23x 23x 23x | '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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