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test: fix flaky test-perf-hooks-histogram
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Make sure the histogram containing event loop delay info is posted only
when at least one datapoint is collected.

Fixes: #43503

PR-URL: #43567
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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santigimeno authored and targos committed Jul 12, 2022
1 parent 508cbbc commit 2adf4e7
Showing 1 changed file with 6 additions and 1 deletion.
7 changes: 6 additions & 1 deletion test/parallel/test-perf-hooks-histogram.js
Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,12 @@ const { inspect } = require('util');
strictEqual(data.enable, undefined);
mc.port1.close();
});
setTimeout(() => mc.port2.postMessage(e), 100);
const interval = setInterval(() => {
if (e.count > 0) {
clearInterval(interval);
mc.port2.postMessage(e);
}
}, 50);
}

{
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