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@@ -1,41 +1,42 @@ | ||
'use strict'; | ||
const common = require('../common.js'); | ||
const { exec, execSync } = require('child_process'); | ||
const isWindows = process.platform === 'win32'; | ||
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var messagesLength = [64, 256, 1024, 4096]; | ||
// Windows does not support that long arguments | ||
if (process.platform !== 'win32') | ||
messagesLength.push(32768); | ||
const bench = common.createBenchmark(main, { | ||
// Windows does not support command lines longer than 8191 characters | ||
if (!isWindows) messagesLength.push(32768); | ||
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const bench = common.createBenchmark(childProcessExecStdout, { | ||
len: messagesLength, | ||
dur: [5] | ||
}); | ||
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const child_process = require('child_process'); | ||
const exec = child_process.exec; | ||
function main(conf) { | ||
function childProcessExecStdout(conf) { | ||
bench.start(); | ||
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const dur = +conf.dur; | ||
const maxDuration = conf.dur * 1000; | ||
const len = +conf.len; | ||
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const msg = `"${'.'.repeat(len)}"`; | ||
// eslint-disable-next-line no-unescaped-regexp-dot | ||
msg.match(/./); | ||
const options = {'stdio': ['ignore', 'pipe', 'ignore']}; | ||
const child = exec(`yes ${msg}`, options); | ||
const cmd = `yes "${'.'.repeat(len)}"`; | ||
const child = exec(cmd, { 'stdio': ['ignore', 'pipe', 'ignore'] }); | ||
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var bytes = 0; | ||
child.stdout.on('data', function(msg) { | ||
child.stdout.on('data', (msg) => { | ||
bytes += msg.length; | ||
}); | ||
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setTimeout(function() { | ||
setTimeout(() => { | ||
bench.end(bytes); | ||
if (process.platform === 'win32') { | ||
// Sometimes there's a yes.exe process left hanging around on Windows... | ||
child_process.execSync(`taskkill /f /t /pid ${child.pid}`); | ||
if (isWindows) { | ||
// Sometimes there's a yes.exe process left hanging around on Windows. | ||
try { | ||
execSync(`taskkill /f /t /pid ${child.pid}`); | ||
} catch (_) { | ||
// this is a best effort kill. stderr is piped to parent for tracing. | ||
} | ||
} else { | ||
child.kill(); | ||
} | ||
}, dur * 1000); | ||
}, maxDuration); | ||
} |