diff --git a/sins/orm.py b/sins/orm.py
index 9399c54..59abfb0 100644
--- a/sins/orm.py
+++ b/sins/orm.py
@@ -6,9 +6,8 @@ from sqlalchemy import LargeBinary, Column, ForeignKey, Integer, String, DateTim
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import Session, relationship, backref
 from sqlalchemy.orm.collections import attribute_mapped_collection
-import json
 
-from .disassemble import objdump
+from .disassemble import objdump, disasm
 
 now = '{0:%Y%m%dT%H%M%S}'.format(datetime.utcnow())
 Base = declarative_base()
@@ -49,6 +48,8 @@ class ScrapNode(Base):
         values = {
             'checksum': self.checksum,
             'length': self.length,
+            # todo remove for performance
+            'operations': len(disasm(self.image)),
             'parent_id': self.parent_id,
             'id': self.id,
         }