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#include <iostream>
#include <list>
#include <cctk.h>
namespace Carpet {
using namespace std;
class Timer;
// A set of timers
class TimerSet {
list <Timer *> timers;
public:
// Add a timer
void
add (Timer * timer);
// Remove a timer
void
remove (Timer * timer);
// Print all timer names
void
printNames ()
const;
// Print timer data
void
printData ();
// Write all timer data
static
void
writeData (cGH const * cctkGH,
char const * filename);
private:
// If filename is not empty, then redirect stdout to a file
static
int
redirect (cGH const * cctkGH,
char const * filename);
// Redirect stdout back
static
void
unredirect (int oldfd);
}; // class TimerSet
// A timer, which is a wrapper around a Cactus timer
class Timer {
int handle;
bool running;
public:
// Create a new Cactus timer with the given name
Timer (char const * timername);
// Destroy a timer
~Timer ();
// Start the timer
void
start ()
{
msgStart ();
running = true;
CCTK_TimerStartI (handle);
}
// Stop the timer
void
stop ()
{
CCTK_TimerStopI (handle);
running = false;
msgStop ();
}
// Reset the timer
void
reset ()
{
CCTK_TimerResetI (handle);
}
// Timer name
char const *
name ()
const;
// Print timer data
void
printData ();
private:
// Output (debug) messages that a timer is starting or stopping
void
msgStart ()
const;
void
msgStop ()
const;
};
// Macros for using timers in a convenient manner
#define TIMING_BEGIN(name) \
{ \
static Carpet::Timer timer (name); \
timer.start(); \
{
#define TIMING_END \
} \
timer.stop(); \
} while (0)
} // namespace Carpet
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