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Matt Loring
49440b7ea2
This change cleans up outstanding comments on #3032. It improves error handling when no isolate file is provided and adds the --prof-process flag to the node binary which executes the tick processor on the provided isolate file. PR-URL: https://github.com/nodejs/node/pull/4021 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Evan Lucas <evanlucas@me.com>
52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
'use strict';
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var fs = require('fs');
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var assert = require('assert');
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var path = require('path');
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var cp = require('child_process');
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var common = require('../common');
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common.refreshTmpDir();
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process.chdir(common.tmpDir);
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// Unknown checked for to prevent flakiness, if pattern is not found,
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// then a large number of unknown ticks should be present
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runTest(/LazyCompile.*\[eval\]:1|.*% UNKNOWN/,
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`function f() {
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for (var i = 0; i < 1000000; i++) {
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i++;
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}
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setImmediate(function() { f(); });
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};
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setTimeout(function() { process.exit(0); }, 2000);
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f();`);
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if (common.isWindows ||
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common.isSunOS ||
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common.isAix ||
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common.isLinuxPPCBE ||
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common.isFreeBSD) {
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console.log('1..0 # Skipped: C++ symbols are not mapped for this os.');
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return;
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}
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runTest(/RunInDebugContext/,
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`function f() {
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require(\'vm\').runInDebugContext(\'Debug\');
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setImmediate(function() { f(); });
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};
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setTimeout(function() { process.exit(0); }, 2000);
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f();`);
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function runTest(pattern, code) {
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cp.execFileSync(process.execPath, ['-prof', '-pe', code]);
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var matches = fs.readdirSync(common.tmpDir).filter(function(file) {
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return /^isolate-/.test(file);
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});
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if (matches.length != 1) {
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assert.fail(null, null, 'There should be a single log file.');
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}
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var log = matches[0];
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var out = cp.execSync(process.execPath +
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' --prof-process --call-graph-size=10 ' + log,
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{encoding: 'utf8'});
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assert(pattern.test(out));
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fs.unlinkSync(log);
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}
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