Merge branch 'jemalloc_with_prof' into 'master'

Build jemalloc with --enable-prof.

Closes #2822

See merge request gitlab-org/omnibus-gitlab!1965

CHANGELOG.md

@@ -6,6 +6,7 @@ omnibus-gitlab repository.
 10.1.0
 
 - Remove unused Grit configuration settings
+- Enable profiler for jemalloc
 
 10.0.2
 

config/software/jemalloc.rb

@@ -33,6 +33,7 @@ relative_path "jemalloc-#{version}"
 build do
   command ['./configure',
            ' --enable-cc-silence',
+           ' --enable-prof',
            "--prefix=#{install_dir}/embedded"].join(' '), env: env
   make "-j #{workers}", env: env
   make 'install', env: env