gecko-dev/modules/libutil/public/nsTimer.h

207 строки
5.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __NSTIMER_H
#define __NSTIMER_H
#ifdef MOZ_PERF_METRICS
#include "stopwatch.h"
class nsStackBasedTimer
{
public:
nsStackBasedTimer(Stopwatch* aStopwatch) { sw = aStopwatch; }
~nsStackBasedTimer() { if (sw) sw->Stop(); }
void Start(PRBool aReset) { if (sw) sw->Start(aReset); }
void Stop(void) { if (sw) sw->Stop(); }
void Reset(void) { if (sw) sw->Reset(); }
void SaveState(void) { if (sw) sw->SaveState(); }
void RestoreState(void) { if (sw) sw->RestoreState(); }
void Print(void) { if (sw) sw->Print(); }
private:
Stopwatch* sw;
};
// This should be set from preferences at runtime. For now, make it a compile time flag.
#define ENABLE_DEBUG_OUTPUT PR_FALSE
// Uncomment and re-build to use the Mac Instrumentation SDK on a Mac.
// #define MOZ_TIMER_USE_MAC_ISDK
// Uncomment and re-build to use Quantify on Windows
// #define MOZ_TIMER_USE_QUANTIFY
// Timer macros for the Mac
#ifdef XP_MAC
#ifdef MOZ_TIMER_USE_MAC_ISDK
#include "InstrumentationHelpers.h"
# define MOZ_TIMER_DECLARE(name)
# define MOZ_TIMER_CREATE(name) \
static InstTraceClassRef name = 0; StInstrumentationLog __traceLog("Creating name..."), name)
# define MOZ_TIMER_RESET(name, msg)
# define MOZ_TIMER_START(name, msg)
# define MOZ_TIMER_STOP(name, msg)
# define MOZ_TIMER_SAVE(name, msg)
# define MOZ_TIMER_RESTORE(name, msg)
# define MOZ_TIMER_LOG(msg) \
do { __traceLog.LogMiddleEvent(); } while(0)
# define MOZ_TIMER_DEBUGLOG(msg) \
if (ENABLE_DEBUG_OUTPUT) printf msg
# define MOZ_TIMER_MACISDK_LOGDATA(msg, data) \
do { traceLog.LogMiddleEventWithData((msg), (data)); } while (0)
#else
#define MOZ_TIMER_USE_STOPWATCH
#endif // MOZ_TIMER_USE_MAC_ISDK
#endif // XP_MAC
// Timer macros for Windows
#ifdef XP_WIN
#ifdef MOZ_TIMER_USE_QUANTIFY
#include "pure.h"
#include "prprf.h"
# define MOZ_TIMER_DECLARE(name)
# define MOZ_TIMER_CREATE(name)
# define MOZ_TIMER_RESET(name) \
QuantifyClearData()
# define MOZ_TIMER_START(name) \
QuantifyStartRecordingData()
# define MOZ_TIMER_STOP(name) \
QuantifyStopRecordingData()
# define MOZ_TIMER_SAVE(name)
# define MOZ_TIMER_RESTORE(name)
# define MOZ_TIMER_PRINT(name)
# define MOZ_TIMER_LOG(msg) \
do { \
char* str = PR_smprintf msg; \
QuantifyAddAnnotation(str); \
PR_smprintf_free(str); \
} while (0)
# define MOZ_TIMER_DEBUGLOG(msg) \
if (ENABLE_DEBUG_OUTPUT) printf msg
# define MOZ_TIMER_MACISDK_LOGDATA(msg, data)
#else
#define MOZ_TIMER_USE_STOPWATCH
#endif // MOZ_TIMER_USE_QUANTIFY
#endif // XP_WIN
// Timer macros for Unix
#ifdef XP_UNIX
#define MOZ_TIMER_USE_STOPWATCH
#endif // XP_UNIX
#ifdef MOZ_TIMER_USE_STOPWATCH
# define MOZ_TIMER_DECLARE(name) \
Stopwatch name;
# define MOZ_TIMER_CREATE(name) \
static Stopwatch __sw_name; nsStackBasedTimer name(&__sw_name)
# define MOZ_TIMER_RESET(name) \
name.Reset();
# define MOZ_TIMER_START(name) \
name.Start(PR_FALSE);
# define MOZ_TIMER_STOP(name) \
name.Stop();
# define MOZ_TIMER_SAVE(name) \
name.SaveState();
# define MOZ_TIMER_RESTORE(name) \
name.RestoreState();
# define MOZ_TIMER_PRINT(name) \
name.Print();
# define MOZ_TIMER_LOG(msg) \
printf msg
# define MOZ_TIMER_DEBUGLOG(msg) \
if (ENABLE_DEBUG_OUTPUT) printf msg
# define MOZ_TIMER_MACISDK_LOGDATA(msg, data)
#endif // MOZ_TIMER_USE_STOPWATCH
#else
# define MOZ_TIMER_DECLARE(name)
# define MOZ_TIMER_CREATE(name)
# define MOZ_TIMER_RESET(name)
# define MOZ_TIMER_START(name)
# define MOZ_TIMER_STOP(name)
# define MOZ_TIMER_SAVE(name)
# define MOZ_TIMER_RESTORE(name)
# define MOZ_TIMER_PRINT(name)
# define MOZ_TIMER_LOG(msg)
# define MOZ_TIMER_DEBUGLOG(msg)
# define MOZ_TIMER_MACISDK_LOGDATA(msg, data)
#endif // MOZ_PERF_METRICS
#endif // __NSTIMER_H