asharing: Don't start recording until all threads are running
asharing: Don't start recording until all threads are running

This eliminates a bunch of confusing scopes that come from thread creation

aclements/sv6,aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6,aclements/sv6,bowlofstew/sv6,bowlofstew/sv6