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Allow the user to specify the filepath for the trace_events log file using a template string. PR-URL: https://github.com/nodejs/node/pull/18480 Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
31 lines
893 B
JavaScript
31 lines
893 B
JavaScript
'use strict';
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const common = require('../common');
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const tmpdir = require('../common/tmpdir');
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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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tmpdir.refresh();
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process.chdir(tmpdir.path);
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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 proc = cp.spawn(process.execPath, [
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'--trace-events-enabled',
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'--trace-event-file-pattern',
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// eslint-disable-next-line no-template-curly-in-string
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'${pid}-${rotation}-${pid}-${rotation}.tracing.log',
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'-e', CODE
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]);
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proc.once('exit', common.mustCall(() => {
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const expectedFilename = `${proc.pid}-1-${proc.pid}-1.tracing.log`;
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assert(common.fileExists(expectedFilename));
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fs.readFile(expectedFilename, 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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}));
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}));
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