Fixes #36805 - add foreman-hotproc config to be used with PCP

extras/pcp/foreman-hotproc.conf

@@ -0,0 +1,14 @@
+#pmdahotproc
+Version 1.0
+
+(
+  fname == "java" ||
+  fname == "redis-server" ||
+  (fname == "postgres" && psargs ~ /-D/) ||
+  psargs ~ /puma/ ||
+  psargs ~ /pulpcore.app.wsgi:application/ ||
+  psargs ~ /pulpcore.content:server/ ||
+  psargs ~ /pulpcore-worker/ ||
+  psargs ~ /sidekiq/ ||
+  psargs ~ /smart-proxy/
+)

extras/pcp/foreman-hotproc.summary

@@ -0,0 +1,16 @@
+#pmlogconf-setup 2.0
+ident   foreman hotproc metrics
+probe   hotproc.control.config != "" ? include : exclude
+        hotproc.psinfo.psargs
+        hotproc.psinfo.cnswap
+        hotproc.psinfo.nswap
+        hotproc.psinfo.rss
+        hotproc.psinfo.vsize
+        hotproc.psinfo.cstime
+        hotproc.psinfo.cutime
+        hotproc.psinfo.stime
+        hotproc.psinfo.utime
+        hotproc.io.write_bytes
+        hotproc.io.read_bytes
+        hotproc.schedstat.cpu_time
+        hotproc.fd.count