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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>
45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
'use strict';
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var cp = require('child_process');
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var fs = require('fs');
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var path = require('path');
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var scriptFiles = [
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'internal/v8_prof_polyfill',
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'v8/tools/splaytree',
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'v8/tools/codemap',
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'v8/tools/csvparser',
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'v8/tools/consarray',
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'v8/tools/profile',
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'v8/tools/profile_view',
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'v8/tools/logreader',
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'v8/tools/tickprocessor',
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'v8/tools/SourceMap',
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'v8/tools/tickprocessor-driver'
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];
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var tempScript = 'tick-processor-tmp-' + process.pid;
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var tempNm = 'mac-nm-' + process.pid;
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process.on('exit', function() {
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try { fs.unlinkSync(tempScript); } catch (e) {}
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try { fs.unlinkSync(tempNm); } catch (e) {}
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});
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process.on('uncaughtException', function(err) {
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try { fs.unlinkSync(tempScript); } catch (e) {}
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try { fs.unlinkSync(tempNm); } catch (e) {}
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throw err;
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});
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scriptFiles.forEach(function(script) {
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fs.appendFileSync(tempScript, process.binding('natives')[script]);
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});
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var tickArguments = [tempScript];
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if (process.platform === 'darwin') {
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fs.writeFileSync(tempNm, process.binding('natives')['v8/tools/mac-nm'],
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{ mode: 0o555 });
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tickArguments.push('--mac', '--nm=' + path.join(process.cwd(), tempNm));
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} else if (process.platform === 'win32') {
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tickArguments.push('--windows');
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}
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tickArguments.push.apply(tickArguments, process.argv.slice(1));
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cp.spawn(process.execPath, tickArguments, { stdio: 'inherit' });
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