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#include "ruby/ruby.h"
#include "ruby/debug.h"
static size_t newobj_count;
static size_t free_count;
static size_t gc_start_count;
static size_t objects_count;
static VALUE objects[10];
void
tracepoint_track_objspace_events_i(VALUE tpval, void *data)
{
rb_trace_arg_t *tparg = rb_tracearg_from_tracepoint(tpval);
switch (rb_tracearg_event_flag(tparg)) {
case RUBY_INTERNAL_EVENT_NEWOBJ:
{
VALUE obj = rb_tracearg_object(tparg);
if (objects_count < sizeof(objects)/sizeof(VALUE)) objects[objects_count++] = obj;
newobj_count++;
break;
}
case RUBY_INTERNAL_EVENT_FREEOBJ:
{
free_count++;
break;
}
case RUBY_INTERNAL_EVENT_GC_START:
{
gc_start_count++;
break;
}
default:
rb_raise(rb_eRuntimeError, "unknown event");
}
}
VALUE
tracepoint_track_objspace_events(VALUE self)
{
VALUE tpval = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ | RUBY_INTERNAL_EVENT_GC_START, tracepoint_track_objspace_events_i, 0);
VALUE result = rb_ary_new();
int i;
newobj_count = free_count = gc_start_count = objects_count = 0;
rb_tracepoint_enable(tpval);
rb_yield(Qundef);
rb_tracepoint_disable(tpval);
rb_ary_push(result, SIZET2NUM(newobj_count));
rb_ary_push(result, SIZET2NUM(free_count));
rb_ary_push(result, SIZET2NUM(gc_start_count));
for (i=0; i<objects_count; i++) {
rb_ary_push(result, objects[i]);
}
return result;
}
void
Init_tracepoint(void)
{
VALUE mBug = rb_define_module("Bug");
rb_define_module_function(mBug, "tracepoint_track_objspace_events", tracepoint_track_objspace_events, 0);
}
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