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denoland-deno/cli/js/metrics.ts
2020-01-02 15:13:47 -05:00

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TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import * as dispatch from "./dispatch.ts";
import { sendSync } from "./dispatch_json.ts";
export interface Metrics {
opsDispatched: number;
opsCompleted: number;
bytesSentControl: number;
bytesSentData: number;
bytesReceived: number;
}
/** Receive metrics from the privileged side of Deno.
*
* > console.table(Deno.metrics())
* ┌──────────────────┬────────┐
* │ (index) │ Values │
* ├──────────────────┼────────┤
* │ opsDispatched │ 9 │
* │ opsCompleted │ 9 │
* │ bytesSentControl │ 504 │
* │ bytesSentData │ 0 │
* │ bytesReceived │ 856 │
* └──────────────────┴────────┘
*/
export function metrics(): Metrics {
return sendSync(dispatch.OP_METRICS);
}