84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
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'use strict';
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const common = require('../common');
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if (!process.binding('config').hasTracing)
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common.skip('missing trace events');
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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 path = require('path');
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const util = require('util');
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const enable = `require("trace_events").createTracing(
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{ categories: ["node.async_hooks"] }).enable();`;
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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 tmpdir = require('../common/tmpdir');
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const filename = path.join(tmpdir.path, 'node_trace.1.log');
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tmpdir.refresh();
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const proc = cp.spawnSync(
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process.execPath,
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['-e', enable + code ],
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{
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cwd: tmpdir.path,
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env: Object.assign({}, process.env, {
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'NODE_DEBUG_NATIVE': 'tracing',
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'NODE_DEBUG': 'tracing'
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})
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});
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console.log(proc.signal);
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console.log(proc.stderr.toString());
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assert.strictEqual(proc.status, 0);
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assert(fs.existsSync(filename));
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const data = fs.readFileSync(filename, 'utf-8');
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const traces = JSON.parse(data).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,node.async_hooks')
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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,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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// Check args in init events
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const initEvents = traces.filter((trace) => {
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return (trace.ph === 'b' && !trace.name.includes('_CALLBACK'));
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});
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for (const trace of initEvents) {
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console.log(trace);
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if (trace.args.data.executionAsyncId > 0 &&
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trace.args.data.triggerAsyncId > 0) {
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continue;
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}
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assert.fail('Unexpected initEvent: ',
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util.inspect(trace, { depth: Infinity }));
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}
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