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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 | 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 155190x 155190x 155190x 155190x 22x 239x 239x 239x 239x 186x 239x 22x 5977x 5977x 5977x 22x 22x 22x 22x 22x 22x | '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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