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Aquaria/ExternalLibs/iprof/prof_gather.h

152 lines
4.6 KiB
C

#ifndef INC_PROFILER_LOWLEVEL_H
#define INC_PROFILER_LOWLEVEL_H
#ifdef __cplusplus
#define Prof_C "C"
#define Prof_extern_C extern "C"
#define Prof_dummy_declare
#else
#define Prof_C
#define Prof_extern_C
#define Prof_dummy_declare int Prof_dummy_dec =
#endif
#ifdef WIN32
#include "prof_win32.h"
#else
#error "need to define Prof_get_timestamp() and Prof_Int64"
#endif
typedef struct
{
char * name;
void * highlevel;
char initialized;
char visited;
char pad0,pad1;
} Prof_Zone;
typedef struct Prof_Zone_Stack
{
Prof_Int64 t_self_start;
Prof_Int64 total_self_ticks;
Prof_Int64 total_hier_ticks;
unsigned int total_entry_count;
struct Prof_Zone_Stack * parent;
Prof_Zone * zone;
int recursion_depth;
void * highlevel;
} Prof_Zone_Stack;
extern Prof_C Prof_Zone_Stack * Prof_stack; // current Zone stack
extern Prof_C Prof_Zone_Stack Prof_dummy; // parent never matches
extern Prof_C Prof_Zone_Stack * Prof_StackAppend(Prof_Zone *zone);
// return the zone stack created by pushing 'zone' on the current
#ifdef Prof_ENABLED
static Prof_Int64 Prof_time;
#define Prof_Begin_Cache(z) \
/* declare a static cache of the zone stack */ \
static Prof_Zone_Stack *Prof_cache = &Prof_dummy
#define Prof_Begin_Raw(z) \
Prof_Begin_Cache(z); \
Prof_Begin_Code(z)
#define Prof_Begin_Code(z) \
Prof_dummy_declare ( \
\
/* check the cached Zone_Stack and update if needed */ \
(Prof_cache->parent != Prof_stack \
? Prof_cache = Prof_StackAppend(&z) \
: 0), \
\
++Prof_cache->total_entry_count, \
Prof_get_timestamp(&Prof_time), \
\
/* stop the timer on the parent zone stack */ \
(Prof_stack->total_self_ticks += \
Prof_time - Prof_stack->t_self_start), \
\
/* make cached stack current */ \
Prof_stack = Prof_cache, \
\
/* start the timer on this stack */ \
Prof_stack->t_self_start = Prof_time, \
0)
#define Prof_End_Raw() \
\
(Prof_get_timestamp(&Prof_time), \
\
/* stop timer for current zone stack */ \
Prof_stack->total_self_ticks += \
Prof_time - Prof_stack->t_self_start, \
\
/* make parent chain current */ \
Prof_stack = Prof_stack->parent, \
\
/* start timer for parent zone stack */ \
Prof_stack->t_self_start = Prof_time)
#define Prof_Declare(z) Prof_Zone Prof_region_##z
#define Prof_Define(z) Prof_Declare(z) = { #z }
#define Prof_Region(z) Prof_Begin_Raw(Prof_region_##z);
#define Prof_End Prof_End_Raw();
#define Prof_Begin(z) static Prof_Define(z); Prof_Region(z)
#define Prof_Counter(z) Prof_Begin(z) Prof_End
#ifdef __cplusplus
#define Prof(x) static Prof_Define(x); Prof_Scope(x)
#define Prof_Scope(x) \
Prof_Begin_Cache(x); \
Prof_Scope_Var Prof_scope_var(Prof_region_ ## x, Prof_cache)
struct Prof_Scope_Var {
inline Prof_Scope_Var(Prof_Zone &zone, Prof_Zone_Stack * &Prof_cache);
inline ~Prof_Scope_Var();
};
inline Prof_Scope_Var::Prof_Scope_Var(Prof_Zone &zone, Prof_Zone_Stack * &Prof_cache) {
Prof_Begin_Code(zone);
}
inline Prof_Scope_Var::~Prof_Scope_Var() {
Prof_End_Raw();
}
#endif
#else // ifdef Prof_ENABLED
#ifdef __cplusplus
#define Prof(x)
#define Prof_Scope(x)
#endif
#define Prof_Define(name)
#define Prof_Begin(z)
#define Prof_End
#define Prof_Region(z)
#define Prof_Counter(z)
#endif
#endif // INC_PROFILER_LOWLEVEL_H