heap-buddy/analyzer/HistoryReport.cs

124 строки
3.6 KiB
C#

//
// HistoryReport.cs
//
// Copyright (C) 2005 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.IO;
namespace HeapBuddy {
public class HistoryReport : Report {
public HistoryReport () : base ("History") { }
override public void Run (OutfileReader reader, string [] args)
{
Table table;
table = new Table ();
table.Separator = " | ";
Resize [] resizes;
resizes = reader.Resizes;
Gc [] gcs;
gcs = reader.Gcs;
int i_resize = 0;
int i_gc = 0;
long heap_size = 0;
while (i_resize < resizes.Length || i_gc < gcs.Length) {
Resize r = null;
if (i_resize < resizes.Length)
r = resizes [i_resize];
Gc gc = null;
if (i_gc < gcs.Length)
gc = gcs [i_gc];
if (i_resize != 0 || i_gc != 0)
table.AddRow ("", "", "");
string timestamp, tag, message;
if (r != null && (gc == null || r.Generation <= gc.Generation)) {
timestamp = string.Format ("{0:HH:mm:ss}", r.Timestamp);
if (r.PreviousSize == 0) {
tag = "Init";
message = String.Format ("Initialized heap to {0}",
Util.PrettySize (r.NewSize));
} else {
tag = "Resize";
message = String.Format ("Grew heap from {0} to {1}\n" +
"{2} in {3} live objects\n" +
"Heap went from {4:0.0}% to {5:0.0}% capacity",
Util.PrettySize (r.PreviousSize),
Util.PrettySize (r.NewSize),
Util.PrettySize (r.TotalLiveBytes),
r.TotalLiveObjects,
r.PreResizeCapacity, r.PostResizeCapacity);
}
heap_size = r.NewSize;
++i_resize;
} else {
timestamp = String.Format ("{0:HH:mm:ss}", gc.Timestamp);
if (gc.Generation >= 0) {
tag = "GC " + gc.Generation;
message = String.Format ("Collected {0} of {1} objects ({2:0.0}%)\n" +
"Collected {3} of {4} ({5:0.0}%)\n" +
"Heap went from {6:0.0}% to {7:0.0}% capacity",
gc.FreedObjects,
gc.PreGcLiveObjects,
gc.FreedObjectsPercentage,
Util.PrettySize (gc.FreedBytes),
Util.PrettySize (gc.PreGcLiveBytes),
gc.FreedBytesPercentage,
100.0 * gc.PreGcLiveBytes / heap_size,
100.0 * gc.PostGcLiveBytes / heap_size);
} else {
tag = "Exit";
message = String.Format ("{0} live objects using {1}",
gc.PreGcLiveObjects,
Util.PrettySize (gc.PreGcLiveBytes));
}
++i_gc;
}
table.AddRow (timestamp, tag, message);
}
table.SetAlignment (1, Alignment.Left);
table.SetAlignment (2, Alignment.Left);
Console.WriteLine (table);
}
}
}