59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cp = require('child_process');
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const fs = require('fs');
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const CODE =
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'setTimeout(() => { for (var i = 0; i < 100000; i++) { "test" + i } }, 1)';
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const FILE_NAME = 'node_trace.1.log';
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common.refreshTmpDir();
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process.chdir(common.tmpDir);
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const proc = cp.spawn(process.execPath,
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[ '--trace-events-enabled',
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'--trace-event-categories', 'node.async_hooks',
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'-e', CODE ]);
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proc.once('exit', common.mustCall(() => {
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assert(common.fileExists(FILE_NAME));
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fs.readFile(FILE_NAME, common.mustCall((err, data) => {
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const traces = JSON.parse(data.toString()).traceEvents;
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assert(traces.length > 0);
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// V8 trace events should be generated.
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assert(!traces.some((trace) => {
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if (trace.pid !== proc.pid)
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return false;
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if (trace.cat !== 'v8')
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return false;
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if (trace.name !== 'V8.ScriptCompiler')
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return false;
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return true;
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}));
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// C++ async_hooks trace events should be generated.
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assert(traces.some((trace) => {
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if (trace.pid !== proc.pid)
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return false;
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if (trace.cat !== 'node.async_hooks')
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return false;
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if (trace.name !== 'TIMERWRAP')
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return false;
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return true;
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}));
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// JavaScript async_hooks trace events should be generated.
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assert(traces.some((trace) => {
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if (trace.pid !== proc.pid)
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return false;
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if (trace.cat !== 'node.async_hooks')
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return false;
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if (trace.name !== 'Timeout')
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return false;
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return true;
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}));
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}));
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}));
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