Based on information from: https://github.com/jemalloc/jemalloc/wiki/Use-Case%3A-Heap-Profiling
RedHat & related flavours don't enable profiling in their binaries, so we need to build from source:
wget https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2
tar xjf jemalloc-5.3.0.tar.bz2
cd jemalloc-5.3.0
./configure --enable-stats --enable-prof
make -j16