public static TimingMeter GetMeter(string title, string category, bool accumulate)
{
TimingMeter meter = GetMeter(title, category);
meter.accumulate = true;
return(meter);
}
// Enable or disable only a single category
public static void EnableOnlyCategory(string categoryName, bool enable)
{
Init();
foreach (KeyValuePair <int, TimingMeter> pair in instance.metersById)
{
TimingMeter meter = pair.Value;
meter.enabled = (meter.category == categoryName ? enable : !enable);
}
}
public static int AddEvent(TimingMeter meter, short eventKind, string info)
{
long time = CaptureCurrentTime();
short meterId = (meter == null) ? (short)0 : meter.meterId;
MeterEvent meterEvent = new MeterEvent(meterId, eventKind, time, info);
#if DEBUG
// DebugAddEvent(meter, meterEvent);
#endif
instance.eventTrace.Add(meterEvent);
return(instance.eventTrace.Count);
}
protected void SaveToFileInternal(string pathname)
{
FileStream f = new FileStream(pathname, FileMode.Create, FileAccess.Write);
StreamWriter writer = new StreamWriter(f);
writer.Write(string.Format("MeterCount={0}\n", metersById.Count));
foreach (KeyValuePair <int, TimingMeter> pair in instance.metersById)
{
TimingMeter meter = pair.Value;
writer.Write(string.Format("{0},{1},{2}\n", meter.title, meter.category, meter.meterId));
}
}
// Look up the timing meter by title; if it doesn't exist
// create one with the title and category
public static TimingMeter GetMeter(string title, string category)
{
string name = title + "&" + category;
TimingMeter meter;
Init();
if (instance.metersByName.TryGetValue(name, out meter))
{
return(meter);
}
else
{
BarfOnBadChars(title, "TimingMeter title");
BarfOnBadChars(category, "TimingMeter category");
short id = instance.timerIdCounter++;
meter = new TimingMeter(title, category, id);
instance.metersByName.Add(name, meter);
instance.metersById.Add(id, meter);
return(meter);
}
}
private static void DebugAddEvent(TimingMeter meter, MeterEvent evt)
{
if (evt.eventKind == ekEnter)
{
debugMeterStack.Add(new MeterStackEntry(meter, 0, debugMeterStack.Count));
}
else if (evt.eventKind == ekExit)
{
Debug.Assert(debugMeterStack.Count > 0, "Meter stack is empty during ekExit");
MeterStackEntry s = debugMeterStack[debugMeterStack.Count - 1];
Debug.Assert(s.meter == meter, "Entered " + s.meter.title + "; Exiting " + meter.title);
debugMeterStack.RemoveAt(debugMeterStack.Count - 1);
}
else if (evt.eventKind == ekInfo)
{
// just ignore these
}
else
{
Debug.Assert(false);
}
}
public AutoTimer(TimingMeter meter)
{
this.meter = meter;
meter.Enter();
}
internal MeterStackEntry(TimingMeter meter, long eventTime, int eventNumber)
{
this.meter = meter;
this.eventTime = eventTime;
this.eventNumber = eventNumber;
}
public static int AddEvent(TimingMeter meter, short eventKind, string info)
{
long time = CaptureCurrentTime();
short meterId = (meter == null) ? (short)0 : meter.meterId;
MeterEvent meterEvent = new MeterEvent(meterId, eventKind, time, info);
#if DEBUG
// DebugAddEvent(meter, meterEvent);
#endif
instance.eventTrace.Add(meterEvent);
return instance.eventTrace.Count;
}
protected void DumpEventLog(List <MeterEvent> events)
{
if (MeterEventsFile == null)
{
// Can't do anything
return;
}
if (File.Exists(MeterEventsFile))
{
File.Delete(MeterEventsFile);
}
FileStream f = new FileStream(MeterEventsFile, FileMode.Create, FileAccess.Write);
StreamWriter writer = new StreamWriter(f);
writer.Write(string.Format("Dumping meter event log on {0} at {1}; GetTimestamp {2:F}; units are usecs\r\n",
DateTime.Now.ToShortDateString(), DateTime.Now.ToShortTimeString(), costOfGetTimestamp));
int indent = 0;
List <MeterStackEntry> meterStack = new List <MeterStackEntry>();
long firstEventTime = 0;
for (int i = 0; i < events.Count; i++)
{
short kind = events[i].eventKind;
long t = events[i].eventTime;
if (i == 0)
{
firstEventTime = t;
}
if (kind == ekInfo)
{
writer.WriteLine(string.Format("{0,12:D} {1}{2} {3}{4}",
ToMicroseconds(t - firstEventTime, i),
IndentCount(indent + 1), "Info ", " ",
events[i].info));
continue;
}
TimingMeter meter = GetMeterById(events[i].meterId);
if (kind == ekEnter)
{
indent++;
writer.WriteLine(string.Format("{0,12:D} {1}{2} {3}.{4}",
ToMicroseconds(t - firstEventTime, i),
IndentCount(indent),
"Enter",
meter.category, meter.title));
meterStack.Add(new MeterStackEntry(meter, t, i));
}
else if (kind == ekExit)
{
Debug.Assert(meterStack.Count > 0, "Meter stack is empty during ekExit");
MeterStackEntry s = meterStack[meterStack.Count - 1];
Debug.Assert(s.meter == meter, "Entered " + s.meter.title + "; Exiting " + meter.title);
writer.WriteLine(string.Format("{0,12:D} {1,7:D} {2}{3} {4}.{5}",
ToMicroseconds(t - firstEventTime, i),
ToMicroseconds(t - s.eventTime, i - s.eventNumber),
IndentCount(indent),
"Exit ",
meter.category, meter.title));
indent--;
meterStack.RemoveAt(meterStack.Count - 1);
}
}
writer.Close();
}
internal MeterStackEntry(TimingMeter meter, long eventTime, int eventNumber)
{
this.meter = meter;
this.eventTime = eventTime;
this.eventNumber = eventNumber;
}
private static void DebugAddEvent(TimingMeter meter, MeterEvent evt)
{
if (evt.eventKind == ekEnter) {
debugMeterStack.Add(new MeterStackEntry(meter, 0, debugMeterStack.Count));
} else if (evt.eventKind == ekExit) {
Debug.Assert(debugMeterStack.Count > 0, "Meter stack is empty during ekExit");
MeterStackEntry s = debugMeterStack[debugMeterStack.Count - 1];
Debug.Assert(s.meter == meter, "Entered " + s.meter.title + "; Exiting " + meter.title);
debugMeterStack.RemoveAt(debugMeterStack.Count - 1);
} else if (evt.eventKind == ekInfo) {
// just ignore these
} else {
Debug.Assert(false);
}
}
public void Dispose()
{
meter.Exit();
meter = null;
}
// Look up the timing meter by title; if it doesn't exist
// create one with the title and category
public static TimingMeter GetMeter(string title, string category)
{
string name = title + "&" + category;
TimingMeter meter;
Init();
if (instance.metersByName.TryGetValue(name, out meter))
return meter;
else {
BarfOnBadChars(title, "TimingMeter title");
BarfOnBadChars(category, "TimingMeter category");
short id = instance.timerIdCounter++;
meter = new TimingMeter(title, category, id);
instance.metersByName.Add(name, meter);
instance.metersById.Add(id, meter);
return meter;
}
}
public void Dispose()
{
meter.Exit();
meter = null;
}
protected void GenerateReport(StreamWriter writer, List <MeterEvent> events, int start, Dictionary <string, string> options)
{
// For now, ignore options and just print the events
if (dumpEventLog)
{
DumpEventLog(events);
}
// Zero the stack depth and added time
foreach (KeyValuePair <int, TimingMeter> pair in instance.metersById)
{
TimingMeter meter = pair.Value;
meter.stackDepth = 0;
meter.addedTime = 0;
}
List <MeterStackEntry> meterStack = new List <MeterStackEntry>();
int indent = 0;
long firstEventTime = 0;
for (int i = 0; i < events.Count; i++)
{
short kind = events[i].eventKind;
long t = events[i].eventTime;
if (i == 0)
{
firstEventTime = t;
}
if (kind == ekInfo)
{
writer.WriteLine(string.Format("{0,12:D} {1}{2} {3}{4}",
ToMicroseconds(t - firstEventTime, i),
IndentCount(indent + 1), "Info ", " ",
events[i].info));
continue;
}
TimingMeter meter = GetMeterById(events[i].meterId);
if (kind == ekEnter)
{
if (meter.accumulate && meter.stackDepth == 0)
{
meter.addedTime = 0;
}
if (i >= start && (!meter.accumulate || meter.stackDepth == 0))
{
if (!meter.accumulate)
{
indent++;
}
writer.WriteLine(string.Format("{0,12:D} {1}{2}{3}{4}.{5}",
ToMicroseconds(t - firstEventTime, i),
IndentCount(indent), "Enter",
(meter.accumulate ? "*" : " "),
meter.category, meter.title));
}
meter.stackDepth++;
meterStack.Add(new MeterStackEntry(meter, t, i));
}
else if (kind == ekExit)
{
Debug.Assert(meterStack.Count > 0, "Meter stack is empty during ekExit");
MeterStackEntry s = meterStack[meterStack.Count - 1];
meter.stackDepth--;
Debug.Assert(s.meter == meter);
if (meter.stackDepth > 0 && meter.accumulate)
{
meter.addedTime += t - s.eventTime;
}
else if (i >= start)
{
writer.WriteLine(string.Format("{0,12:D} {1,7:D} {2}{3}{4}{5}.{6}",
ToMicroseconds(t - firstEventTime, i),
ToMicroseconds(meter.accumulate ? meter.addedTime : t - s.eventTime, i - s.eventNumber),
IndentCount(indent), "Exit ",
(meter.accumulate ? "*" : " "),
meter.category, meter.title));
if (!meter.accumulate)
{
indent--;
}
}
meterStack.RemoveAt(meterStack.Count - 1);
}
}
}
public AutoTimer(TimingMeter meter)
{
this.meter = meter;
meter.Enter();
}
