Check WF Status :

Check WF Status :

$FND_TOP/sql/wfver.sql

- Gives the status of below

Workflow Agent Listener
Workflow Mailer
Workflow Document Web Services

Also,

select fcq.USER_CONCURRENT_QUEUE_NAME Container_Name, DECODE(fcp.OS_PROCESS_ID,NULL,'Not
Running',fcp.OS_PROCESS_ID) PROCID,
fcq.MAX_PROCESSES TARGET,
fcq.RUNNING_PROCESSES ACTUAL,
fcq.ENABLED_FLAG ENABLED,
fsc.COMPONENT_NAME,
fsc.STARTUP_MODE,
fsc.COMPONENT_STATUS
from APPS.FND_CONCURRENT_QUEUES_VL fcq, APPS.FND_CP_SERVICES fcs, APPS.FND_CONCURRENT_PROCESSES
fcp, fnd_svc_components fsc
where fcq.MANAGER_TYPE = fcs.SERVICE_ID
and fcs.SERVICE_HANDLE = 'FNDCPGSC'
and fsc.concurrent_queue_id = fcq.concurrent_queue_id(+)
and fcq.concurrent_queue_id = fcp.concurrent_queue_id(+)
and fcq.application_id = fcp.queue_application_id(+)
and fcp.process_status_code(+) = 'A'
order by fcp.OS_PROCESS_ID, fsc.STARTUP_MODE

UR's Key Run ;-)