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py: Add (commented out) code to gc_dump_alloc_table for qstr info.

This commit is contained in:
Damien George 2015-01-11 14:37:06 +00:00
parent 56e1f99ca1
commit ec21405821
1 changed files with 20 additions and 1 deletions
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21
py/gc.c
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@ -730,7 +730,26 @@ void gc_dump_alloc_table(void) {
#endif #endif
else if (*ptr == (mp_uint_t)&mp_type_fun_bc) { c = 'B'; } else if (*ptr == (mp_uint_t)&mp_type_fun_bc) { c = 'B'; }
else if (*ptr == (mp_uint_t)&mp_type_module) { c = 'M'; } else if (*ptr == (mp_uint_t)&mp_type_module) { c = 'M'; }
else { c = 'h'; } else {
c = 'h';
#if 0
// This code prints "Q" for qstr-pool data, and "q" for qstr-str
// data. It can be useful to see how qstrs are being allocated,
// but is disabled by default because it is very slow.
for (qstr_pool_t *pool = MP_STATE_VM(last_pool); c == 'h' && pool != NULL; pool = pool->prev) {
if ((qstr_pool_t*)ptr == pool) {
c = 'Q';
break;
}
for (const byte **q = pool->qstrs, **q_top = pool->qstrs + pool->len; q < q_top; q++) {
if ((const byte*)ptr == *q) {
c = 'q';
break;
}
}
}
#endif
}
break; break;
} }
case AT_TAIL: c = 't'; break; case AT_TAIL: c = 't'; break;