How to find procesing time of concurrent program

Query to find the concurrent program processing time:


SELECT f.request_id ,
pt.user_concurrent_program_name user_concurrent_program_name
, f.actual_start_date actual_start_date
, f.actual_completion_date actual_completion_date
, floor(((f.actual_completion_date-f.actual_start_date)*24*60*60)/3600) || ' HOURS ' ||
floor((((f.actual_completion_date-f.actual_start_date)*24*60*60) - floor(((f.actual_completion_date-f.actual_start_date)*24*60*60)/3600)*3600)/60) || ' MINUTES ' ||
round((((f.actual_completion_date-f.actual_start_date)*24*60*60) - floor(((f.actual_completion_date-f.actual_start_date)*24*60*60)/3600)*3600 -
(floor((((f.actual_completion_date-f.actual_start_date)*24*60*60)- floor(((f.actual_completion_date-f.actual_start_date)*24*60*60)/3600)*3600)/60)*60) )) || ' SECS ' time_difference
,DECODE(p.concurrent_program_name,'ALECDC',p.concurrent_program_name||'['||f.description||']',p.concurrent_program_name) concurrent_program_name
, decode(f.phase_code,'R','Running','C','Complete',f.phase_code) Phase
, f.status_code
FROM apps.fnd_concurrent_programs p
, apps.fnd_concurrent_programs_tl pt
, apps.fnd_concurrent_requests f
WHERE f.concurrent_program_id = p.concurrent_program_id
and f.program_application_id = p.application_id
and f.concurrent_program_id = pt.concurrent_program_id
and f.program_application_id = pt.application_id
AND pt.language = USERENV('Lang')
and f.actual_start_date is not null
ORDER by f.actual_completion_date-f.actual_start_date desc;