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/*
* Orc - Oil Runtime Compiler
* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ORC_PROFILE_H_
#define _ORC_PROFILE_H_
#include <orc/orcutils.h>
ORC_BEGIN_DECLS
/**
* ORC_PROFILE_HIST_LENGTH
*
* Internal definition of the number of histogram entries in #OrcProfile.
*/
#define ORC_PROFILE_HIST_LENGTH 10
typedef struct _OrcProfile OrcProfile;
/**
* OrcProfile:
*
* An opaque structure representing profiling information.
*/
struct _OrcProfile {
/*< private >*/
unsigned long start;
unsigned long stop;
unsigned long min;
unsigned long last;
unsigned long total;
int n;
int hist_n;
unsigned long hist_time[ORC_PROFILE_HIST_LENGTH];
int hist_count[ORC_PROFILE_HIST_LENGTH];
};
unsigned long orc_profile_stamp(void);
void orc_profile_init(OrcProfile *prof);
void orc_profile_stop_handle(OrcProfile *prof);
void orc_profile_get_ave_std (OrcProfile *prof, double *ave_p, double *std_p);
/**
* orc_profile_start:
* @x: a pointer to an OrcProfile structure
*
* Starts a profiling run by obtaining a timestamp via orc_profile_stamp()
* and writing it into @x.
*/
#define orc_profile_start(x) do{ \
(x)->start = orc_profile_stamp(); \
}while(0)
/**
* orc_profile_stop:
* @x: a pointer to an OrcProfile structure
*
* Stops a profiling run by obtaining a timestamp via orc_profile_stamp()
* and writing it into @x. It then calls orc_profile_stop_handle() to
* handle post-processing of the profiling run.
*/
#define orc_profile_stop(x) do{ \
(x)->stop = orc_profile_stamp(); \
orc_profile_stop_handle(x); \
}while(0)
ORC_END_DECLS
#endif