svmon is a command with many options - and that makes it difficult to use initially.ps may be suitable, but only if your application is not sharing memory with several processes as all memory gets lumped together over all processes using the memoryOne option to start with, rather than -P, is
-C command which limits output to a single command, or list of commands (more than one command can be listed). Further, there are extra options to limit display to shared, exclusive, and/or kernel/non-kernel memory (i.e. user space, "system" related space).
As you are looking for a possible memory leak, the pattern you are looking for is a stable
inuse amount, with a regularly increasing
Virtual amount