Attach a collection to a running process specified by the process ID.
Configure Analysis window> WHAT pane > Attach To Process > PID
ID of process that you want to analyze.
Use the target-pid option to attach a collect or collect-with action to a running process specified by its process ID (pid).
The target-process option provides the same capabilities, but uses the process name to specify the process.
Attach a hotspots collection to a running process whose ID is 1234.
vtune -collect hotspots -target-pid 1234