tick/bin/tickprocessor-driver.js

node-compatible v8.log processor

#!/usr/bin/env node

var tickProcessorModule = require('../lib/tickprocessor');
var ArgumentsProcessor = tickProcessorModule.ArgumentsProcessor;
var TickProcessor = tickProcessorModule.TickProcessor;
var SnapshotLogProcessor = tickProcessorModule.SnapshotLogProcessor;

// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


// Tick Processor's code flow.

function processArguments(args) {
  var processor = new ArgumentsProcessor(args);
  if (processor.parse()) {
    return processor.result();
  } else {
    processor.printUsageAndExit();
  }
}

var entriesProviders = {
  'unix': tickProcessorModule.UnixCppEntriesProvider,
  'windows': tickProcessorModule.WindowsCppEntriesProvider,
  'mac': tickProcessorModule.MacCppEntriesProvider
};

var params = processArguments(process.argv.slice(2));
var snapshotLogProcessor;
if (params.snapshotLogFileName) {
  snapshotLogProcessor = new SnapshotLogProcessor(params.ignoreUnknown);
  snapshotLogProcessor.processLogFile(params.snapshotLogFileName, processTicks);
}

function processTicks() {
  var tickProcessor = new TickProcessor(
    new (entriesProviders[params.platform])(params.nm, params.targetRootFS),
    params.separateIc,
    params.callGraphSize,
    params.ignoreUnknown,
    params.stateFilter,
    snapshotLogProcessor);
  tickProcessor.processLogFile(params.logFileName, tickProcessor.printStatistics.bind(tickProcessor));
}

processTicks();