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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/test/tick-processor/tick-processor-base.js |
'use strict';
require('../common');
const fs = require('fs');
const cp = require('child_process');
const path = require('path');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const LOG_FILE = path.join(tmpdir.path, 'tick-processor.log');
const RETRY_TIMEOUT = 150;
function runTest(test) {
const proc = cp.spawn(process.execPath, [
'--no_logfile_per_isolate',
'--logfile=-',
'--prof',
'-pe', test.code,
], {
stdio: [ 'ignore', 'pipe', 'inherit' ]
});
let ticks = '';
proc.stdout.on('data', (chunk) => ticks += chunk);
// Try to match after timeout
setTimeout(() => {
match(test.pattern, proc, () => ticks, test.profProcessFlags);
}, RETRY_TIMEOUT);
}
function match(pattern, parent, ticks, flags = []) {
// Store current ticks log
fs.writeFileSync(LOG_FILE, ticks());
const proc = cp.spawn(process.execPath, [
'--prof-process',
'--call-graph-size=10',
...flags,
LOG_FILE,
], {
stdio: [ 'ignore', 'pipe', 'inherit' ]
});
let out = '';
proc.stdout.on('data', (chunk) => out += chunk);
proc.stdout.once('end', () => {
proc.once('exit', () => {
fs.unlinkSync(LOG_FILE);
// Retry after timeout
if (!pattern.test(out))
return setTimeout(() => match(pattern, parent, ticks), RETRY_TIMEOUT);
parent.stdout.removeAllListeners();
parent.kill();
});
proc.stdout.removeAllListeners();
proc.kill();
});
}
exports.runTest = runTest;
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