限制在linux上调试应用程序的资源使用

I have a C/C++ application that crashes only under heavy loads. I normally use valgrind and gprof to debug memory leaks and profiling issues. Failure rate is like about 100 in a million runs. This is consistent. Rather than reproduce the traffic to my application, can I superficially limit the resources available to the debug build of the application running within valgrind somehow? I have a C/C++ application that crashes only un