From 84e2848c2a3995fcf67032c496ebd6158ab5db55 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Mon, 25 Jul 2016 15:56:39 -0700
Subject: [PATCH] remove profiler.

---
 lib/bcoin/profiler.js | 268 ------------------------------------------
 1 file changed, 268 deletions(-)
 delete mode 100644 lib/bcoin/profiler.js

diff --git a/lib/bcoin/profiler.js b/lib/bcoin/profiler.js
deleted file mode 100644
index 069cdca3..00000000
--- a/lib/bcoin/profiler.js
+++ /dev/null
@@ -1,268 +0,0 @@
-/*!
- * profiler.js - profiler for bcoin
- * Copyright (c) 2014-2015, Fedor Indutny (MIT License)
- * Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
- * https://github.com/bcoin-org/bcoin
- */
-
-'use strict';
-
-var utils = require('./utils');
-var assert = utils.assert;
-var fs, v8profiler;
-
-function ensure() {
-  if (v8profiler)
-    return;
-
-  if (!utils.isBrowser) {
-    v8profiler = require('v8-' + 'profiler');
-    fs = require('f' + 's');
-  }
-}
-
-/**
- * A CPU profile.
- * @exports Profile
- * @constructor
- * @param {String} prefix
- * @param {String?} name
- */
-
-function Profile(prefix, name) {
-  if (v8profiler) {
-    name = 'profile-' + (name ? name + '-' : '') + utils.ms();
-    v8profiler.startProfiling(name, true);
-    this.prefix = prefix;
-    this.name = name;
-    this.profile = null;
-    this.finished = false;
-  }
-}
-
-/**
- * Stop profiling.
- */
-
-Profile.prototype.stop = function stop() {
-  if (!v8profiler)
-    return;
-
-  assert(!this.finished);
-
-  this.profile = v8profiler.stopProfiling(this.name);
-};
-
-/**
- * Free up profile.
- */
-
-Profile.prototype.del = function del() {
-  if (!v8profiler)
-    return;
-
-  assert(!this.finished);
-
-  if (!this.profile)
-    this.stop();
-
-  this.profile['delete']();
-};
-
-/**
- * Save profile as json (.cpuprofile) to `prefix`.
- * @param {Function} callback
- */
-
-Profile.prototype.save = function save(callback) {
-  var self = this;
-
-  callback = utils.asyncify(callback);
-
-  if (!v8profiler)
-    return callback();
-
-  assert(!this.finished);
-
-  if (!this.profile)
-    this.stop();
-
-  return this.profile['export'](function(err, result) {
-    var file;
-
-    self.profile['delete']();
-    self.profile = null;
-    self.finished = true;
-
-    if (err)
-      return callback(err);
-
-    file = self.prefix
-      + '/profiler/'
-      + self.name
-      + '.cpuprofile';
-
-    utils.mkdir(file, true);
-
-    fs.writeFile(file, result, callback);
-  });
-};
-
-/**
- * Memory Snapshot
- * @exports Snapshot
- * @constructor
- * @param {String} prefix
- * @param {String?} name
- */
-
-function Snapshot(prefix, name) {
-  if (v8profiler) {
-    name = 'snapshot-' + (name ? name + '-' : '') + utils.ms();
-    this.snapshot = v8profiler.takeSnapshot(name);
-    this.prefix = prefix;
-    this.name = name;
-  }
-}
-
-/**
- * Compare two snapshots.
- * @param {Snapshot}
- * @returns {Object}
- */
-
-Snapshot.prototype.compare = function compare(other) {
-  if (!v8profiler)
-    return;
-
-  assert(this.snapshot);
-
-  return this.snapshot.compare(other.snapshot);
-};
-
-/**
- * Get header.
- * @returns {Object}
- */
-
-Snapshot.prototype.getHeader = function getHeader() {
-  if (!v8profiler)
-    return;
-
-  assert(this.snapshot);
-
-  return this.snapshot.getHeader();
-};
-
-/**
- * Free up snapshot.
- */
-
-Snapshot.prototype.del = function del() {
-  if (!v8profiler)
-    return;
-
-  assert(this.snapshot);
-
-  return this.snapshot['delete']();
-};
-
-/**
- * Save snapshot as json (.heapsnapshot) to `prefix`.
- * @param {Function} callback
- */
-
-Snapshot.prototype.save = function save(callback) {
-  var self = this;
-
-  callback = utils.asyncify(callback);
-
-  if (!v8profiler)
-    return callback();
-
-  assert(this.snapshot);
-
-  return this.snapshot['export'](function(err, result) {
-    var file;
-
-    self.snapshot['delete']();
-    self.snapshot = null;
-
-    if (err)
-      return callback(err);
-
-    file = self.prefix
-      + '/profiler/'
-      + self.name
-      + '.heapsnapshot';
-
-    utils.mkdir(file, true);
-
-    fs.writeFile(file, result, callback);
-  });
-};
-
-/**
- * Profiler
- * @exports Profiler
- * @constructor
- * @param {String} prefix
- */
-
-function Profiler(prefix) {
-  if (!(this instanceof Profiler))
-    return new Profiler(prefix);
-
-  this.prefix = prefix || utils.HOME;
-}
-
-/**
- * Create a new CPU profile and begin profiling.
- * @param {String?} name
- * @returns {Profile}
- */
-
-Profiler.prototype.startProfiling = function startProfiling(name) {
-  ensure();
-  return new Profile(this.prefix, name);
-};
-
-/**
- * Create a new memory snapshot.
- * @param {String?} name
- * @returns {Snapshot}
- */
-
-Profiler.prototype.takeSnapshot = function takeSnapshot(name) {
-  ensure();
-  return new Snapshot(this.prefix, name);
-};
-
-/**
- * Take a snapshot and save it to disk.
- * @param {String?} name
- * @param {Function?} callback
- */
-
-Profiler.prototype.snapshot = function snapshot(name, callback) {
-  if (typeof name === 'function') {
-    callback = name;
-    name = null;
-  }
-
-  ensure();
-
-  if (!v8profiler) {
-    if (!callback)
-      return;
-    return utils.nextTick(callback);
-  }
-
-  this.takeSnapshot(name).save(callback);
-};
-
-/*
- * Expose
- */
-
-module.exports = Profiler;