mirror of
https://github.com/nodejs/node.git
synced 2025-05-01 17:03:34 +00:00
d217b2850e
This will allow trace event to record timing information for all asynchronous operations that are observed by async_hooks. PR-URL: https://github.com/nodejs/node/pull/15538 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const cp = require('child_process');
|
|
const fs = require('fs');
|
|
|
|
const CODE =
|
|
'setTimeout(() => { for (var i = 0; i < 100000; i++) { "test" + i } }, 1)';
|
|
const FILE_NAME = 'node_trace.1.log';
|
|
|
|
common.refreshTmpDir();
|
|
process.chdir(common.tmpDir);
|
|
|
|
const proc = cp.spawn(process.execPath,
|
|
[ '--trace-events-enabled', '-e', CODE ]);
|
|
|
|
proc.once('exit', common.mustCall(() => {
|
|
assert(common.fileExists(FILE_NAME));
|
|
fs.readFile(FILE_NAME, common.mustCall((err, data) => {
|
|
const traces = JSON.parse(data.toString()).traceEvents;
|
|
assert(traces.length > 0);
|
|
// V8 trace events should be generated.
|
|
assert(traces.some((trace) => {
|
|
if (trace.pid !== proc.pid)
|
|
return false;
|
|
if (trace.cat !== 'v8')
|
|
return false;
|
|
if (trace.name !== 'V8.ScriptCompiler')
|
|
return false;
|
|
return true;
|
|
}));
|
|
|
|
// C++ async_hooks trace events should be generated.
|
|
assert(traces.some((trace) => {
|
|
if (trace.pid !== proc.pid)
|
|
return false;
|
|
if (trace.cat !== 'node.async_hooks')
|
|
return false;
|
|
if (trace.name !== 'TIMERWRAP')
|
|
return false;
|
|
return true;
|
|
}));
|
|
|
|
|
|
// JavaScript async_hooks trace events should be generated.
|
|
assert(traces.some((trace) => {
|
|
if (trace.pid !== proc.pid)
|
|
return false;
|
|
if (trace.cat !== 'node.async_hooks')
|
|
return false;
|
|
if (trace.name !== 'Timeout')
|
|
return false;
|
|
return true;
|
|
}));
|
|
}));
|
|
}));
|