|
| 1 | +'use strict'; |
| 2 | + |
| 3 | +const common = require('../common'); |
| 4 | +if (!process.binding('config').hasTracing) |
| 5 | + common.skip('missing trace events'); |
| 6 | + |
| 7 | +const assert = require('assert'); |
| 8 | +const cp = require('child_process'); |
| 9 | +const fs = require('fs'); |
| 10 | +const path = require('path'); |
| 11 | +const util = require('util'); |
| 12 | + |
| 13 | +const enable = `require("trace_events").createTracing( |
| 14 | +{ categories: ["node.async_hooks"] }).enable();`; |
| 15 | +const code = |
| 16 | + 'setTimeout(() => { for (var i = 0; i < 100000; i++) { "test" + i } }, 1)'; |
| 17 | + |
| 18 | +const tmpdir = require('../common/tmpdir'); |
| 19 | +const filename = path.join(tmpdir.path, 'node_trace.1.log'); |
| 20 | + |
| 21 | +tmpdir.refresh(); |
| 22 | +const proc = cp.spawnSync( |
| 23 | + process.execPath, |
| 24 | + ['-e', enable + code ], |
| 25 | + { |
| 26 | + cwd: tmpdir.path, |
| 27 | + env: Object.assign({}, process.env, { |
| 28 | + 'NODE_DEBUG_NATIVE': 'tracing', |
| 29 | + 'NODE_DEBUG': 'tracing' |
| 30 | + }) |
| 31 | + }); |
| 32 | +console.log(proc.signal); |
| 33 | +console.log(proc.stderr.toString()); |
| 34 | +assert.strictEqual(proc.status, 0); |
| 35 | + |
| 36 | +assert(fs.existsSync(filename)); |
| 37 | +const data = fs.readFileSync(filename, 'utf-8'); |
| 38 | +const traces = JSON.parse(data).traceEvents; |
| 39 | +assert(traces.length > 0); |
| 40 | +// V8 trace events should be generated. |
| 41 | +assert(!traces.some((trace) => { |
| 42 | + if (trace.pid !== proc.pid) |
| 43 | + return false; |
| 44 | + if (trace.cat !== 'v8') |
| 45 | + return false; |
| 46 | + if (trace.name !== 'V8.ScriptCompiler') |
| 47 | + return false; |
| 48 | + return true; |
| 49 | +})); |
| 50 | + |
| 51 | +// C++ async_hooks trace events should be generated. |
| 52 | +assert(traces.some((trace) => { |
| 53 | + if (trace.pid !== proc.pid) |
| 54 | + return false; |
| 55 | + if (trace.cat !== 'node,node.async_hooks') |
| 56 | + return false; |
| 57 | + return true; |
| 58 | +})); |
| 59 | + |
| 60 | +// JavaScript async_hooks trace events should be generated. |
| 61 | +assert(traces.some((trace) => { |
| 62 | + if (trace.pid !== proc.pid) |
| 63 | + return false; |
| 64 | + if (trace.cat !== 'node,node.async_hooks') |
| 65 | + return false; |
| 66 | + if (trace.name !== 'Timeout') |
| 67 | + return false; |
| 68 | + return true; |
| 69 | +})); |
| 70 | + |
| 71 | +// Check args in init events |
| 72 | +const initEvents = traces.filter((trace) => { |
| 73 | + return (trace.ph === 'b' && !trace.name.includes('_CALLBACK')); |
| 74 | +}); |
| 75 | +for (const trace of initEvents) { |
| 76 | + console.log(trace); |
| 77 | + if (trace.args.data.executionAsyncId > 0 && |
| 78 | + trace.args.data.triggerAsyncId > 0) { |
| 79 | + continue; |
| 80 | + } |
| 81 | + assert.fail('Unexpected initEvent: ', |
| 82 | + util.inspect(trace, { depth: Infinity })); |
| 83 | +} |
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