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feat: add env var to enable profiling

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Dragory 2021-10-28 17:11:56 +03:00
parent 831ff1893a
commit bb94d77143
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5 changed files with 72 additions and 26 deletions
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24
backend/src/utils/easyProfiler.ts
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@ -1,8 +1,26 @@
import { Profiler } from "knub/dist/Profiler";
import { performance } from "perf_hooks";
import { SECONDS } from "../utils";
import { SECONDS, noop } from "../utils";
let _profilingEnabled = false;
export const profilingEnabled = () => {
return _profilingEnabled;
};
export const enableProfiling = () => {
_profilingEnabled = true;
};
export const disableProfiling = () => {
_profilingEnabled = false;
};
export const startProfiling = (profiler: Profiler, key: string) => {
if (!profilingEnabled()) {
return noop;
}
const startTime = performance.now();
return () => {
profiler.addDataPoint(key, performance.now() - startTime);
@ -10,6 +28,10 @@ export const startProfiling = (profiler: Profiler, key: string) => {
};
export const calculateBlocking = (coarseness = 10) => {
if (!profilingEnabled()) {
return () => 0;
}
let last = performance.now();
let result = 0;
const interval = setInterval(() => {