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tracepoint.c: wrap data in a struct

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* ext/-test-/tracepoint/tracepoint.c (struct tracepoint_track): wrap
  tracepoint tracking data in a struct to be placed on the stack.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-09-22 20:10:40 +00:00
parent 3f3bec4911
commit f856c1237b
1 changed files with 27 additions and 28 deletions
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55
ext/-test-/tracepoint/tracepoint.c
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@ -1,38 +1,45 @@
#include "ruby/ruby.h" #include "ruby/ruby.h"
#include "ruby/debug.h" #include "ruby/debug.h"
static size_t newobj_count; struct tracepoint_track {
static size_t free_count; size_t newobj_count;
static size_t gc_start_count; size_t free_count;
static size_t gc_end_count; size_t gc_start_count;
static size_t objects_count; size_t gc_end_count;
static VALUE objects[10]; size_t objects_count;
VALUE objects[10];
};
void #define objects_max (sizeof(((struct tracepoint_track *)NULL)->objects)/sizeof(VALUE))
static void
tracepoint_track_objspace_events_i(VALUE tpval, void *data) tracepoint_track_objspace_events_i(VALUE tpval, void *data)
{ {
rb_trace_arg_t *tparg = rb_tracearg_from_tracepoint(tpval); rb_trace_arg_t *tparg = rb_tracearg_from_tracepoint(tpval);
struct tracepoint_track *track = data;
switch (rb_tracearg_event_flag(tparg)) { switch (rb_tracearg_event_flag(tparg)) {
case RUBY_INTERNAL_EVENT_NEWOBJ: case RUBY_INTERNAL_EVENT_NEWOBJ:
{ {
VALUE obj = rb_tracearg_object(tparg); VALUE obj = rb_tracearg_object(tparg);
if (objects_count < sizeof(objects)/sizeof(VALUE)) objects[objects_count++] = obj; if (track->objects_count < objects_max)
newobj_count++; track->objects[track->objects_count++] = obj;
track->newobj_count++;
break; break;
} }
case RUBY_INTERNAL_EVENT_FREEOBJ: case RUBY_INTERNAL_EVENT_FREEOBJ:
{ {
free_count++; track->free_count++;
break; break;
} }
case RUBY_INTERNAL_EVENT_GC_START: case RUBY_INTERNAL_EVENT_GC_START:
{ {
gc_start_count++; track->gc_start_count++;
break; break;
} }
case RUBY_INTERNAL_EVENT_GC_END: case RUBY_INTERNAL_EVENT_GC_END:
{ {
gc_end_count++; track->gc_end_count++;
break; break;
} }
default: default:
@ -40,28 +47,24 @@ tracepoint_track_objspace_events_i(VALUE tpval, void *data)
} }
} }
VALUE static VALUE
tracepoint_track_objspace_events(VALUE self) tracepoint_track_objspace_events(VALUE self)
{ {
struct tracepoint_track track = {0, 0, 0, 0, 0, {}};
VALUE tpval = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ | VALUE tpval = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ |
RUBY_INTERNAL_EVENT_GC_START | RUBY_INTERNAL_EVENT_GC_END, RUBY_INTERNAL_EVENT_GC_START | RUBY_INTERNAL_EVENT_GC_END,
tracepoint_track_objspace_events_i, 0); tracepoint_track_objspace_events_i, &track);
VALUE result = rb_ary_new(); VALUE result = rb_ary_new();
size_t i;
newobj_count = free_count = gc_start_count = objects_count = 0;
rb_tracepoint_enable(tpval); rb_tracepoint_enable(tpval);
rb_yield(Qundef); rb_yield(Qundef);
rb_tracepoint_disable(tpval); rb_tracepoint_disable(tpval);
rb_ary_push(result, SIZET2NUM(newobj_count)); rb_ary_push(result, SIZET2NUM(track.newobj_count));
rb_ary_push(result, SIZET2NUM(free_count)); rb_ary_push(result, SIZET2NUM(track.free_count));
rb_ary_push(result, SIZET2NUM(gc_start_count)); rb_ary_push(result, SIZET2NUM(track.gc_start_count));
rb_ary_push(result, SIZET2NUM(gc_end_count)); rb_ary_push(result, SIZET2NUM(track.gc_end_count));
for (i=0; i<objects_count; i++) { rb_ary_cat(result, track.objects, track.objects_count);
rb_ary_push(result, objects[i]);
}
return result; return result;
} }
@ -69,10 +72,6 @@ tracepoint_track_objspace_events(VALUE self)
void void
Init_tracepoint(void) Init_tracepoint(void)
{ {
size_t i;
VALUE mBug = rb_define_module("Bug"); VALUE mBug = rb_define_module("Bug");
rb_define_module_function(mBug, "tracepoint_track_objspace_events", tracepoint_track_objspace_events, 0); rb_define_module_function(mBug, "tracepoint_track_objspace_events", tracepoint_track_objspace_events, 0);
for (i=0; i<sizeof(objects)/sizeof(VALUE); i++) {
rb_global_variable(objects+i);
}
} }