1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.IO;
namespace DbLinq.Util
{
#if !MONO_STRICT
public
#endif
static class Profiler
{
[ThreadStatic]
private static Stopwatch timer = new Stopwatch();
private static Stopwatch Timer
{
get
{
if (timer == null)
timer = new Stopwatch();
return timer;
}
}
[ThreadStatic]
private static long prevTicks;
[ThreadStatic]
private static bool profiling;
[ThreadStatic]
private static TextWriter log;
private static TextWriter Log
{
get
{
if (log == null)
log = Console.Out;
return log;
}
set
{
log = value;
}
}
[Conditional("DEBUG")]
public static void Start()
{
profiling = true;
prevTicks = 0;
Timer.Reset();
Timer.Start();
}
[Conditional("DEBUG")]
public static void At(string format, params object[] args)
{
if (profiling)
{
Timer.Stop();
Log.Write("#AT(time={0:D12}, elapsed={1:D12}) ", Timer.ElapsedTicks, Timer.ElapsedTicks - prevTicks);
prevTicks = Timer.ElapsedTicks;
Log.WriteLine(format, args);
Timer.Start();
}
}
[Conditional("DEBUG")]
public static void Stop()
{
profiling = false;
Timer.Stop();
}
}
}
|