pmlogger_janitor trying to kill unauthorized process

[orasagar]

pmlogger_janitor is supposed to only kill pmlogger processes .But we have observed it tried to kill a non pcp process

From janitor logs

pmlogger_janitor.log:Killing (TERM) pmlogger with PID 2874
pmlogger_janitor.log:/usr/libexec/pcp/bin/pmsignal: line 123: kill: (2874) - Operation not permitted
pmlogger_janitor.log:Killing (KILL) pmlogger with PID 2874
pmlogger_janitor.log:root        2874    1022  0 Oct18 ?        00:51:29 s1-agent
pmlogger_janitor.log.prev:Killing (TERM) pmlogger with PID 2874
pmlogger_janitor.log.prev:/usr/libexec/pcp/bin/pmsignal: line 123: kill: (2874) - Operation not permitted
pmlogger_janitor.log.prev:Killing (KILL) pmlogger with PID 2874