diff options
Diffstat (limited to 'chromium/tools/stats_viewer/stats_viewer.cs')
| -rw-r--r-- | chromium/tools/stats_viewer/stats_viewer.cs | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/chromium/tools/stats_viewer/stats_viewer.cs b/chromium/tools/stats_viewer/stats_viewer.cs deleted file mode 100644 index eebb882c540..00000000000 --- a/chromium/tools/stats_viewer/stats_viewer.cs +++ /dev/null @@ -1,510 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Diagnostics;
-using System.Drawing;
-using System.Text;
-using System.Windows.Forms;
-using System.IO;
-
-namespace StatsViewer {
- public partial class StatsViewer : Form {
- /// <summary>
- /// Create a StatsViewer.
- /// </summary>
- public StatsViewer() {
- InitializeComponent();
- }
-
- #region Protected Methods
- /// <summary>
- /// Callback when the form loads.
- /// </summary>
- /// <param name="e"></param>
- protected override void OnLoad(EventArgs e) {
- base.OnLoad(e);
-
- timer_ = new Timer();
- timer_.Interval = kPollInterval;
- timer_.Tick += new EventHandler(PollTimerTicked);
- timer_.Start();
- }
- #endregion
-
- #region Private Methods
- /// <summary>
- /// Attempt to open the stats file.
- /// Return true on success, false otherwise.
- /// </summary>
- private bool OpenStatsFile() {
- StatsTable table = new StatsTable();
- if (table.Open(kStatsTableName)) {
- stats_table_ = table;
- return true;
- }
- return false;
- }
-
- /// <summary>
- /// Close the open stats file.
- /// </summary>
- private void CloseStatsFile() {
- if (this.stats_table_ != null)
- {
- this.stats_table_.Close();
- this.stats_table_ = null;
- this.listViewCounters.Items.Clear();
- }
- }
-
- /// <summary>
- /// Updates the process list in the UI.
- /// </summary>
- private void UpdateProcessList() {
- int current_pids = comboBoxFilter.Items.Count;
- int table_pids = stats_table_.Processes.Count;
- if (current_pids != table_pids + 1) // Add one because of the "all" entry.
- {
- int selected_index = this.comboBoxFilter.SelectedIndex;
- this.comboBoxFilter.Items.Clear();
- this.comboBoxFilter.Items.Add(kStringAllProcesses);
- foreach (int pid in stats_table_.Processes)
- this.comboBoxFilter.Items.Add(kStringProcess + pid.ToString());
- this.comboBoxFilter.SelectedIndex = selected_index;
- }
- }
-
- /// <summary>
- /// Updates the UI for a counter.
- /// </summary>
- /// <param name="counter"></param>
- private void UpdateCounter(IStatsCounter counter) {
- ListView view;
-
- // Figure out which list this counter goes into.
- if (counter is StatsCounterRate)
- view = listViewRates;
- else if (counter is StatsCounter || counter is StatsTimer)
- view = listViewCounters;
- else
- return; // Counter type not supported yet.
-
- // See if the counter is already in the list.
- ListViewItem item = view.Items[counter.name];
- if (item != null)
- {
- // Update an existing counter.
- Debug.Assert(item is StatsCounterListViewItem);
- StatsCounterListViewItem counter_item = item as StatsCounterListViewItem;
- counter_item.Update(counter, filter_pid_);
- }
- else
- {
- // Create a new counter
- StatsCounterListViewItem new_item = null;
- if (counter is StatsCounterRate)
- new_item = new RateListViewItem(counter, filter_pid_);
- else if (counter is StatsCounter || counter is StatsTimer)
- new_item = new CounterListViewItem(counter, filter_pid_);
- Debug.Assert(new_item != null);
- view.Items.Add(new_item);
- }
- }
-
- /// <summary>
- /// Sample the data and update the UI
- /// </summary>
- private void SampleData() {
- // If the table isn't open, try to open it again.
- if (stats_table_ == null)
- if (!OpenStatsFile())
- return;
-
- if (stats_counters_ == null)
- stats_counters_ = stats_table_.Counters();
-
- if (pause_updates_)
- return;
-
- stats_counters_.Update();
-
- UpdateProcessList();
-
- foreach (IStatsCounter counter in stats_counters_)
- UpdateCounter(counter);
- }
-
- /// <summary>
- /// Set the background color based on the value
- /// </summary>
- /// <param name="item"></param>
- /// <param name="value"></param>
- private void ColorItem(ListViewItem item, int value)
- {
- if (value < 0)
- item.ForeColor = Color.Red;
- else if (value > 0)
- item.ForeColor = Color.DarkGreen;
- else
- item.ForeColor = Color.Black;
- }
-
- /// <summary>
- /// Called when the timer fires.
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- void PollTimerTicked(object sender, EventArgs e) {
- SampleData();
- }
-
- /// <summary>
- /// Called when the interval is changed by the user.
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void interval_changed(object sender, EventArgs e) {
- int interval = 1;
- if (int.TryParse(comboBoxInterval.Text, out interval)) {
- if (timer_ != null) {
- timer_.Stop();
- timer_.Interval = interval * 1000;
- timer_.Start();
- }
- } else {
- comboBoxInterval.Text = timer_.Interval.ToString();
- }
- }
-
- /// <summary>
- /// Called when the user changes the filter
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void filter_changed(object sender, EventArgs e) {
- // While in this event handler, don't allow recursive events!
- this.comboBoxFilter.SelectedIndexChanged -= new System.EventHandler(this.filter_changed);
- if (this.comboBoxFilter.Text == kStringAllProcesses)
- filter_pid_ = 0;
- else
- int.TryParse(comboBoxFilter.Text.Substring(kStringProcess.Length), out filter_pid_);
- SampleData();
- this.comboBoxFilter.SelectedIndexChanged += new System.EventHandler(this.filter_changed);
- }
-
- /// <summary>
- /// Callback when the mouse enters a control
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void mouse_Enter(object sender, EventArgs e) {
- // When the dropdown is expanded, we pause
- // updates, as it messes with the UI.
- pause_updates_ = true;
- }
-
- /// <summary>
- /// Callback when the mouse leaves a control
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void mouse_Leave(object sender, EventArgs e) {
- pause_updates_ = false;
- }
-
- /// <summary>
- /// Called when the user clicks the zero-stats button.
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void buttonZero_Click(object sender, EventArgs e) {
- this.stats_table_.Zero();
- SampleData();
- }
-
- /// <summary>
- /// Called when the user clicks a column heading.
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void column_Click(object sender, ColumnClickEventArgs e) {
- if (e.Column != sort_column_) {
- sort_column_ = e.Column;
- this.listViewCounters.Sorting = SortOrder.Ascending;
- } else {
- if (this.listViewCounters.Sorting == SortOrder.Ascending)
- this.listViewCounters.Sorting = SortOrder.Descending;
- else
- this.listViewCounters.Sorting = SortOrder.Ascending;
- }
-
- this.listViewCounters.ListViewItemSorter =
- new ListViewItemComparer(e.Column, this.listViewCounters.Sorting);
- this.listViewCounters.Sort();
- }
-
- /// <summary>
- /// Called when the user clicks the button "Export".
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- private void buttonExport_Click(object sender, EventArgs e) {
- //Have to pick a textfile to export to.
- //Saves what is shown in listViewStats in the format: function value
- //(with a tab in between), so that it is easy to copy paste into a spreadsheet.
- //(Does not save the delta values.)
- TextWriter tw = null;
- try {
- saveFileDialogExport.CheckFileExists = false;
- saveFileDialogExport.ShowDialog();
- tw = new StreamWriter(saveFileDialogExport.FileName);
-
- for (int i = 0; i < listViewCounters.Items.Count; i++) {
- tw.Write(listViewCounters.Items[i].SubItems[0].Text + "\t");
- tw.WriteLine(listViewCounters.Items[i].SubItems[1].Text);
- }
- }
- catch (IOException ex) {
- MessageBox.Show(string.Format("There was an error while saving your results file. The results might not have been saved correctly.: {0}", ex.Message));
- }
- finally{
- if (tw != null) tw.Close();
- }
- }
-
- #endregion
-
- class ListViewItemComparer : IComparer {
- public ListViewItemComparer() {
- this.col_ = 0;
- this.order_ = SortOrder.Ascending;
- }
-
- public ListViewItemComparer(int column, SortOrder order) {
- this.col_ = column;
- this.order_ = order;
- }
-
- public int Compare(object x, object y) {
- int return_value = -1;
-
- object x_tag = ((ListViewItem)x).SubItems[col_].Tag;
- object y_tag = ((ListViewItem)y).SubItems[col_].Tag;
-
- if (Comparable(x_tag, y_tag))
- return_value = ((IComparable)x_tag).CompareTo(y_tag);
- else
- return_value = String.Compare(((ListViewItem)x).SubItems[col_].Text,
- ((ListViewItem)y).SubItems[col_].Text);
-
- if (order_ == SortOrder.Descending)
- return_value *= -1;
-
- return return_value;
- }
-
- #region Private Methods
- private bool Comparable(object x, object y) {
- if (x == null || y == null)
- return false;
-
- return x is IComparable && y is IComparable;
- }
- #endregion
-
- #region Private Members
- private int col_;
- private SortOrder order_;
- #endregion
- }
-
- #region Private Members
- private const string kStringAllProcesses = "All Processes";
- private const string kStringProcess = "Process ";
- private const int kPollInterval = 1000; // 1 second
- private const string kStatsTableName = "ChromeStats";
- private StatsTable stats_table_;
- private StatsTableCounters stats_counters_;
- private Timer timer_;
- private int filter_pid_;
- private bool pause_updates_;
- private int sort_column_ = -1;
- #endregion
-
- #region Private Event Callbacks
- private void openToolStripMenuItem_Click(object sender, EventArgs e)
- {
- OpenDialog dialog = new OpenDialog();
- dialog.ShowDialog();
-
- CloseStatsFile();
-
- StatsTable table = new StatsTable();
- bool rv = table.Open(dialog.FileName);
- if (!rv)
- {
- MessageBox.Show("Could not open statsfile: " + dialog.FileName);
- }
- else
- {
- stats_table_ = table;
- }
- }
-
- private void closeToolStripMenuItem_Click(object sender, EventArgs e)
- {
- CloseStatsFile();
- }
-
- private void quitToolStripMenuItem_Click(object sender, EventArgs e)
- {
- Application.Exit();
- }
- #endregion
- }
-
- /// <summary>
- /// Base class for counter list view items.
- /// </summary>
- internal class StatsCounterListViewItem : ListViewItem
- {
- /// <summary>
- /// Create the ListViewItem
- /// </summary>
- /// <param name="text"></param>
- public StatsCounterListViewItem(string text) : base(text) { }
-
- /// <summary>
- /// Update the ListViewItem given a new counter value.
- /// </summary>
- /// <param name="counter"></param>
- /// <param name="filter_pid"></param>
- public virtual void Update(IStatsCounter counter, int filter_pid) { }
-
- /// <summary>
- /// Set the background color based on the value
- /// </summary>
- /// <param name="value"></param>
- protected void ColorItem(int value)
- {
- if (value < 0)
- ForeColor = Color.Red;
- else if (value > 0)
- ForeColor = Color.DarkGreen;
- else
- ForeColor = Color.Black;
- }
-
- /// <summary>
- /// Create a new subitem with a zeroed Tag.
- /// </summary>
- /// <returns></returns>
- protected ListViewSubItem NewSubItem()
- {
- ListViewSubItem item = new ListViewSubItem();
- item.Tag = -1; // Arbitrarily initialize to -1.
- return item;
- }
-
- /// <summary>
- /// Set the value for a subitem.
- /// </summary>
- /// <param name="item"></param>
- /// <param name="val"></param>
- /// <returns>True if the value changed, false otherwise</returns>
- protected bool SetSubItem(ListViewSubItem item, int val)
- {
- // The reason for doing this extra compare is because
- // we introduce flicker if we unnecessarily update the
- // subitems. The UI is much less likely to cause you
- // a seizure when we do this.
- if (val != (int)item.Tag)
- {
- item.Text = val.ToString();
- item.Tag = val;
- return true;
- }
- return false;
- }
- }
-
- /// <summary>
- /// A listview item which contains a rate.
- /// </summary>
- internal class RateListViewItem : StatsCounterListViewItem
- {
- public RateListViewItem(IStatsCounter ctr, int filter_pid) :
- base(ctr.name)
- {
- StatsCounterRate rate = ctr as StatsCounterRate;
- Name = rate.name;
- SubItems.Add(NewSubItem());
- SubItems.Add(NewSubItem());
- SubItems.Add(NewSubItem());
- Update(ctr, filter_pid);
- }
-
- public override void Update(IStatsCounter counter, int filter_pid)
- {
- Debug.Assert(counter is StatsCounterRate);
-
- StatsCounterRate new_rate = counter as StatsCounterRate;
- int new_count = new_rate.GetCount(filter_pid);
- int new_time = new_rate.GetTime(filter_pid);
- int old_avg = Tag != null ? (int)Tag : 0;
- int new_avg = new_count > 0 ? (new_time / new_count) : 0;
- int delta = new_avg - old_avg;
-
- SetSubItem(SubItems[column_count_index], new_count);
- SetSubItem(SubItems[column_time_index], new_time);
- if (SetSubItem(SubItems[column_avg_index], new_avg))
- ColorItem(delta);
- Tag = new_avg;
- }
-
- private const int column_count_index = 1;
- private const int column_time_index = 2;
- private const int column_avg_index = 3;
- }
-
- /// <summary>
- /// A listview item which contains a counter.
- /// </summary>
- internal class CounterListViewItem : StatsCounterListViewItem
- {
- public CounterListViewItem(IStatsCounter ctr, int filter_pid) :
- base(ctr.name)
- {
- Name = ctr.name;
- SubItems.Add(NewSubItem());
- SubItems.Add(NewSubItem());
- Update(ctr, filter_pid);
- }
-
- public override void Update(IStatsCounter counter, int filter_pid) {
- Debug.Assert(counter is StatsCounter || counter is StatsTimer);
-
- int new_value = 0;
- if (counter is StatsCounter)
- new_value = ((StatsCounter)counter).GetValue(filter_pid);
- else if (counter is StatsTimer)
- new_value = ((StatsTimer)counter).GetValue(filter_pid);
-
- int old_value = Tag != null ? (int)Tag : 0;
- int delta = new_value - old_value;
- SetSubItem(SubItems[column_value_index], new_value);
- if (SetSubItem(SubItems[column_delta_index], delta))
- ColorItem(delta);
- Tag = new_value;
- }
-
- private const int column_value_index = 1;
- private const int column_delta_index = 2;
- }
-}
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