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/* Copyright (C) 2005-2013 Shugo Maeda <shugo@ruby-lang.org> and Charlie Savage <cfis@savagexi.com>
Please see the LICENSE file for copyright and distribution information */
/* :nodoc: */
#include "ruby_prof.h"
static VALUE cMeasureAllocations;
#if defined(HAVE_RB_OS_ALLOCATED_OBJECTS)
unsigned LONG_LONG rb_os_allocated_objects();
#endif
#if defined(HAVE_RB_GC_STAT)
size_t rb_gc_stat(VALUE key);
#if RUBY_PROF_RUBY_VERSION >= 20200
#define TOTAL_ALLOCATED_OBJECTS_STRING "total_allocated_objects"
#else
#define TOTAL_ALLOCATED_OBJECTS_STRING "total_allocated_object"
#endif
#endif
static double
measure_allocations()
{
#if defined(HAVE_RB_OS_ALLOCATED_OBJECTS)
#define MEASURE_ALLOCATIONS_ENABLED Qtrue
return rb_os_allocated_objects();
#elif defined(HAVE_RB_GC_STAT) && RUBY_PROF_RUBY_VERSION >= 20100
#define MEASURE_ALLOCATIONS_ENABLED Qtrue
static VALUE total_alloc_symbol = 0;
if (!total_alloc_symbol) {
total_alloc_symbol = ID2SYM(rb_intern_const(TOTAL_ALLOCATED_OBJECTS_STRING));
}
return rb_gc_stat(total_alloc_symbol);
#else
#define MEASURE_ALLOCATIONS_ENABLED Qfalse
return 0;
#endif
}
prof_measurer_t* prof_measurer_allocations()
{
prof_measurer_t* measure = ALLOC(prof_measurer_t);
measure->measure = measure_allocations;
return measure;
}
/* call-seq:
measure -> int
Returns the number of Ruby object allocations. */
static VALUE
prof_measure_allocations(VALUE self)
{
#if defined(HAVE_LONG_LONG)
return ULL2NUM(measure_allocations());
#else
return ULONG2NUM(measure_allocations());
#endif
}
void rp_init_measure_allocations()
{
rb_define_const(mProf, "ALLOCATIONS", INT2NUM(MEASURE_ALLOCATIONS));
rb_define_const(mProf, "ALLOCATIONS_ENABLED", MEASURE_ALLOCATIONS_ENABLED);
cMeasureAllocations = rb_define_class_under(mMeasure, "Allocations", rb_cObject);
rb_define_singleton_method(cMeasureAllocations, "measure", prof_measure_allocations, 0);
}
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