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/*
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* Copyright ( C ) 1997 - 2009 , Michael Jennings
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*
* Permission is hereby granted , free of charge , to any person obtaining a copy
* of this software and associated documentation files ( the " Software " ) , to
* deal in the Software without restriction , including without limitation the
* rights to use , copy , modify , merge , publish , distribute , sublicense , and / or
* sell copies of the Software , and to permit persons to whom the Software is
* furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software , its documentation and marketing & publicity
* materials , and acknowledgment shall be given in the documentation , materials
* and software packages that this Software was used .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER
* IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE .
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*/
# ifndef _PROFILE_H
# define _PROFILE_H
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# ifdef ENABLE_PROFILE
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# include <sys / time.h>
# include <unistd.h>
typedef struct {
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const char * func_name ;
struct timeval start_time , end_time ;
} prof_time_t ;
# define PROF_INIT(f) prof_time_t f##_prof_time = { #f, { 0, 0 }, { 0, 0 } }; gettimeofday(& f##_prof_time.start_time, NULL)
# define PROF_DONE(f) gettimeofday(& f##_prof_time.end_time, NULL)
# define PROF_TIME(f) do {prof_time_t t = f##_prof_time; unsigned long s, u; s = t.end_time.tv_sec - t.start_time.tv_sec; u = t.end_time.tv_usec - t.start_time.tv_usec; \
if ( u > 1000000UL ) { s - - ; u + = 1000000UL ; } D_PROFILE ( ( " Elapsed time for function %s: %d.%06d seconds. \n " , # f , s , u ) ) ; } while ( 0 )
# define PROF_FUNC(f, c) do {PROF_INIT(f); c; PROF_DONE(f); PROF_TIME(f);} while (0)
# else
# define PROF_INIT(f) NOP
# define PROF_DONE(f) NOP
# define PROF_TIME(f) NOP
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# define PROF_FUNC(f, c) c;
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# endif /* ENABLE_PROFILE */
# endif /* _PROFILE_H */