There is rather lenghy section about detecting memory leak in documentation that comes with QNX6.

There is no command aside pidin mem which will display current memory usage of each process.  You have to manually poll 
and check the memory usage.

________________________________________
From: Venugopal CK [community-noreply@qnx.com]
Sent: Saturday, October 03, 2009 4:30 AM
To: ostech-core_os
Subject: Memory Leak

Is there any command to check memory leak?

How to check memory leak using QNX IDE?



_______________________________________________

OSTech
http://community.qnx.com/sf/go/post39327