static int sumSizes (mapping_t * m, mapping_node_t * elt, void * tp)
{
int *t = (int *)tp;
*t += (svalue_size(&elt->values[0]) + svalue_size(&elt->values[1]));
*t += sizeof(mapping_node_t);
return 0;
}
/*-------------------------------------------------------------------------*/
mp_int
data_size (object_t *ob, mp_int * pTotal)
/* Compute the memory usage (modified to reflect shared data use)
* of the data held by object <ob> and return it.
* If the object is swapped out or has no variables, return 0.
*
* If <pTotal> is given, *<pTotal> is set to the raw datasize.
*/
{
mp_int total = sizeof(p_int); /* smalloc overhead */
int i;
svalue_t *svp;
if (pTotal != NULL)
*pTotal = 0;
if (ob->flags & O_SWAPPED || !(i = ob->prog->num_variables) )
return 0;
ptable = new_pointer_table();
if (!ptable)
errorf("(dumpstat) Out of memory for new pointer table.\n");
for (svp = ob->variables; --i >= 0; svp++)
{
mp_int tmp;
total += svalue_size(svp, &tmp) + sizeof (svalue_t);
if (pTotal != NULL)
*pTotal += tmp + sizeof(svalue_t);
}
free_pointer_table(ptable);
return total;
} /* data_size() */
int data_size P1(object_t *, ob)
{
int total = 0, i;
if (ob->prog) {
for (i = 0; i < (int) ob->prog->num_variables; i++) {
total += svalue_size(&ob->variables[i]) + sizeof(svalue_t);
}
}
return total;
}
int data_size (object_t * ob)
{
int total = 0, i;
if (ob->prog) {
for (i = 0; i < ob->prog->num_variables_total; i++) {
depth = 0;
total += svalue_size(&ob->variables[i]) + sizeof(svalue_t);
}
}
return total;
}
/*-------------------------------------------------------------------------*/
static void
svalue_size_map_filter (svalue_t *key, svalue_t *values, void *extra)
/* Called for all keys in a mapping, it counts the size of the values
* and returns the total in extra->num_values.
*/
{
struct svalue_size_locals *locals;
mp_int total;
int i;
locals = (struct svalue_size_locals*)extra;
locals->composite += svalue_size(key, &total);
locals->total += total;
for(i = locals->num_values; --i >= 0; )
{
locals->composite += svalue_size(values++, &total) + sizeof(svalue_t);
locals->total += total + sizeof(svalue_t);
}
}
static int svalue_size (svalue_t * v)
{
int i, total;
switch (v->type) {
case T_OBJECT:
case T_REAL:
case T_NUMBER:
return 0;
case T_STRING:
return (strlen(v->u.string) + 1);
case T_ARRAY:
case T_CLASS:
if (++depth > 100)
return 0;
/* first svalue is stored inside the array struct */
total = sizeof(array_t) - sizeof(svalue_t);
for (i = 0; i < v->u.arr->size; i++) {
total += svalue_size(&v->u.arr->item[i]) + sizeof(svalue_t);
}
depth--;
return total;
case T_MAPPING:
if (++depth > 100)
return 0;
total = sizeof(mapping_t);
mapTraverse(v->u.map, sumSizes, &total);
depth--;
return total;
case T_FUNCTION:
{
svalue_t tmp;
tmp.type = T_ARRAY;
tmp.u.arr = v->u.fp->hdr.args;
if (++depth > 100)
return 0;
if (tmp.u.arr)
total = sizeof(funptr_hdr_t) + svalue_size(&tmp);
else
total = sizeof(funptr_hdr_t);
switch (v->u.fp->hdr.type) {
case FP_EFUN:
total += sizeof(efun_ptr_t);
break;
case FP_LOCAL | FP_NOT_BINDABLE:
total += sizeof(local_ptr_t);
break;
case FP_SIMUL:
total += sizeof(simul_ptr_t);
break;
case FP_FUNCTIONAL:
case FP_FUNCTIONAL | FP_NOT_BINDABLE:
total += sizeof(functional_t);
break;
}
depth--;
return total;
}
#ifndef NO_BUFFER_TYPE
case T_BUFFER:
/* first byte is stored inside the buffer struct */
return sizeof(buffer_t) + v->u.buf->size - 1;
#endif
default:
//some freed value or a reference (!) to one (in all my test cases
//anyway), it will be removed by reclaim_objects later, Wodan
//fatal("Illegal type: %d\n", v->type);
;
}
/* NOTREACHED */
return 0;
}
static int svalue_size P1(svalue_t *, v)
{
int i, total;
switch (v->type) {
case T_OBJECT:
case T_REAL:
case T_NUMBER:
return 0;
case T_STRING:
return (int) (strlen(v->u.string) + 1);
case T_ARRAY:
case T_CLASS:
/* first svalue is stored inside the array struct */
total = sizeof(array_t) - sizeof(svalue_t);
for (i = 0, total = 0; i < v->u.arr->size; i++) {
total += svalue_size(&v->u.arr->item[i]) + sizeof(svalue_t);
}
return total;
case T_MAPPING:
total = sizeof(mapping_t);
mapTraverse(v->u.map, (int (*) ()) sumSizes, &total);
return total;
case T_FUNCTION:
{
svalue_t tmp;
tmp.type = T_ARRAY;
tmp.u.arr = v->u.fp->hdr.args;
if (tmp.u.arr)
total = (int)(sizeof(funptr_hdr_t) + svalue_size(&tmp));
else
total = (int)(sizeof(funptr_hdr_t));
switch (v->u.fp->hdr.type) {
case FP_EFUN:
total += sizeof(efun_ptr_t);
break;
case FP_LOCAL | FP_NOT_BINDABLE:
total += sizeof(local_ptr_t);
break;
case FP_SIMUL:
total += sizeof(simul_ptr_t);
break;
case FP_FUNCTIONAL:
case FP_FUNCTIONAL | FP_NOT_BINDABLE:
total += sizeof(functional_t);
break;
}
return total;
}
case T_BUFFER:
/* first byte is stored inside the buffer struct */
return (int) (sizeof(buffer_t) + v->u.buf->size - 1);
case T_ANY:
break;
default:
fatal("Illegal type: %d\n", v->type);
}
/* NOTREACHED */
return 0;
}
static int sumSizes P3(mapping_t *, m, mapping_node_t *, elt, int *, t)
{
*t += (svalue_size(&elt->values[0]) + svalue_size(&elt->values[1]));
*t += sizeof(mapping_node_t);
return 0;
}
/*-------------------------------------------------------------------------*/
static size_t
svalue_size (svalue_t *v, mp_int * pTotal)
/* Compute the memory usage of *<v> (modified to reflect data sharing),
* calling svalue_size() recursively if necessary, and return it.
* The size of *v itself is not included.
* *<pUnshared> and *<pShared> are set to the total unshared and shared
* datasize.
*/
{
mp_int i, composite, total, overhead;
assert_stack_gap();
*pTotal = 0;
total = overhead = composite = 0;
switch(v->type)
{
case T_OBJECT:
case T_NUMBER:
case T_FLOAT:
return 0;
case T_STRING:
case T_SYMBOL:
// If ref==0 the string is probably shared a lot, but we can't estimate
// the correct number, so we return 0 as memory consumption for the
// string.
if (v->u.str->info.ref)
{
*pTotal = mstr_mem_size(v->u.str);
return *pTotal / v->u.str->info.ref;
}
else
return 0;
case T_MAPPING:
{
struct svalue_size_locals locals;
if (NULL == register_pointer(ptable, v->u.map) ) return 0;
if (v->u.map->ref)
{
overhead = (mp_uint)mapping_overhead(v->u.map);
locals.total = 0;
locals.composite = 0;
locals.num_values = v->u.map->num_values;
walk_mapping(v->u.map, svalue_size_map_filter, &locals);
*pTotal = locals.total + overhead;
return (overhead + locals.composite) / v->u.map->ref;
}
else
return 0;
}
case T_POINTER:
case T_QUOTED_ARRAY:
{
if (v->u.vec == &null_vector) return 0;
if (NULL == register_pointer(ptable, v->u.vec) ) return 0;
if (v->u.vec->ref)
{
overhead = sizeof *v->u.vec - sizeof v->u.vec->item +
sizeof(svalue_t) * v->u.vec->size + sizeof(char *);
for (i=0; i < (mp_int)VEC_SIZE(v->u.vec); i++) {
composite += svalue_size(&v->u.vec->item[i], &total);
*pTotal += total;
}
*pTotal += overhead;
return (overhead + composite) / v->u.vec->ref;
}
else
return 0;
}
case T_STRUCT:
{
struct_t *st = v->u.strct;
if (NULL == register_pointer(ptable, st) ) return 0;
if (st->ref)
{
overhead = sizeof *st - sizeof st->member
+ sizeof(svalue_t) * struct_size(st);
for (i=0; i < (mp_int)struct_size(st); i++) {
composite += svalue_size(&st->member[i], &total);
*pTotal += total;
}
*pTotal += overhead;
return (overhead + composite) / st->ref;
}
else
return 0;
}
case T_CLOSURE:
{
int num_values;
svalue_t *svp;
lambda_t *l;
if (!CLOSURE_MALLOCED(v->x.closure_type)) return 0;
if (!CLOSURE_REFERENCES_CODE(v->x.closure_type))
{
if (v->x.closure_type == CLOSURE_LFUN)
composite = SIZEOF_LAMBDA(v->u.lambda->function.lfun.context_size);
else /* CLOSURE_IDENTIFIER || CLOSURE_PRELIMINARY */
composite = sizeof *v->u.lambda;
composite += sizeof(char *);
*pTotal = composite;
return composite / v->u.lambda->ref;
}
/* CLOSURE_LAMBDA */
composite = overhead = 0;
l = v->u.lambda;
if (v->x.closure_type == CLOSURE_BOUND_LAMBDA)
{
total = sizeof *l - sizeof l->function + sizeof l->function.lambda;
*pTotal += total;
composite += total / l->ref;
l = l->function.lambda;
}
num_values = l->function.code.num_values;
svp = (svalue_t *)l - num_values;
if (NULL == register_pointer(ptable, svp)) return 0;
overhead = sizeof(svalue_t) * num_values + sizeof (char *);
{
bytecode_p p = l->function.code.program;
do {
switch(GET_CODE(p++)) {
case F_RETURN:
case F_RETURN0:
break;
default:
continue;
}
break;
} while (1);
overhead += (p - (bytecode_p)l + (sizeof(bytecode_p) - 1))
& ~(sizeof(bytecode_p) - 1);
}
while (--num_values >= 0)
{
composite += svalue_size(svp++, &total);
*pTotal += total;
}
*pTotal += overhead;
if (l->ref)
return (overhead + composite) / l->ref;
else
return 0;
}
default:
fatal("Illegal type: %d\n", v->type);
}
/*NOTREACHED*/
return 0;
}
