How to find the trace file name?

— One can use the following query to find the name of the trace filename

— To find the name of the current session
select instance_name || ‘_ora_’ || spid || ‘.trc’ filename
from v$process p, v$session s, v$instance
where p.addr = s.paddr
and s.sid = (select sid from v$mystat where rownum = 1);

FILENAME
——————————
orcl_ora_1360.trc

— To find the filename for another known SID
select instance_name || ‘_ora_’ || spid || ‘.trc’ filename
from v$process p, v$session s, v$instance
where p.addr = s.paddr
and s.sid = 170;

FILENAME
——————————
orcl_ora_2552.trc