identify what process is tracing from Oracle EBS - to turn off

Facts: numerous trace files are created every minute in udump on Linux  per running some diagnostic for the concurrent processing in general . Need to identify what it is in order to turn it off.

Please, help to find what diagnostic is it. Trace file contains following - update of FND_CONC_PROG_ONSITE_INFO table for the result of submitted conc. requests,  update of fnd_concurrent_requests

for phase_code, completion_text etc; update of fnd_conc_pp_actions for completed='Y' ; update of FND_CONC_REL_CONJ_MEMBERS for owner_req_id, last_update_login etc... bunch of other updtaes for the tables related to conc. processing