mirror of https://github.com/nodejs/node.git
66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
'use strict';
|
|
|
|
const common = require('../common');
|
|
const { getCallSites } = require('node:util');
|
|
const assert = require('node:assert');
|
|
|
|
const bench = common.createBenchmark(main, {
|
|
n: [1e6],
|
|
method: ['ErrorCallSites', 'ErrorCallSitesSerialized', 'CPP'],
|
|
});
|
|
|
|
function ErrorGetCallSites() {
|
|
const originalStackFormatter = Error.prepareStackTrace;
|
|
Error.prepareStackTrace = (_err, stack) => {
|
|
if (stack && stack.length > 1) {
|
|
// Remove node:util
|
|
return stack.slice(1);
|
|
}
|
|
return stack;
|
|
};
|
|
const err = new Error();
|
|
// With the V8 Error API, the stack is not formatted until it is accessed
|
|
err.stack; // eslint-disable-line no-unused-expressions
|
|
Error.prepareStackTrace = originalStackFormatter;
|
|
return err.stack;
|
|
}
|
|
|
|
function ErrorCallSitesSerialized() {
|
|
const callSites = ErrorGetCallSites();
|
|
const serialized = [];
|
|
for (let i = 0; i < callSites.length; ++i) {
|
|
serialized.push({
|
|
functionName: callSites[i].getFunctionName(),
|
|
scriptName: callSites[i].getFileName(),
|
|
lineNumber: callSites[i].getLineNumber(),
|
|
column: callSites[i].getColumnNumber(),
|
|
});
|
|
}
|
|
return serialized;
|
|
}
|
|
|
|
function main({ n, method }) {
|
|
let fn;
|
|
switch (method) {
|
|
case 'ErrorCallSites':
|
|
fn = ErrorGetCallSites;
|
|
break;
|
|
case 'ErrorCallSitesSerialized':
|
|
fn = ErrorCallSitesSerialized;
|
|
break;
|
|
case 'CPP':
|
|
fn = getCallSites;
|
|
break;
|
|
}
|
|
let lastStack = {};
|
|
|
|
bench.start();
|
|
for (let i = 0; i < n; i++) {
|
|
const stack = fn();
|
|
lastStack = stack;
|
|
}
|
|
bench.end(n);
|
|
// Attempt to avoid dead-code elimination
|
|
assert.ok(lastStack);
|
|
}
|