diff --git a/Dockerfile b/Dockerfile
index e13e524..bc9eb7a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,4 +39,4 @@ RUN ln -s /usr/src/app/docker/config.json /usr/src/app/config.json
 CMD cat .make-uploads-folders | xargs mkdir -p \
 && ./nodebb upgrade \
 && echo 1 > pidfile \
-&& exec node loader.js
+&& exec node --perf-basic-prof-only-functions loader.js
diff --git a/collect-stacks.bash b/collect-stacks.bash
new file mode 100755
index 0000000..9a84319
--- /dev/null
+++ b/collect-stacks.bash
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -e
+DOCKER_PID=$1
+HOST_PID=$2
+
+docker cp wtdwtf-nodebb:/tmp/perf-$DOCKER_PID.map /tmp/perf-$HOST_PID.map
+chown root /tmp/perf-$HOST_PID.map
+perf record -F 99 -p $HOST_PID -g -- sleep 30
+perf script > nodestacks
diff --git a/setup.bash b/setup.bash
index f1cfb1d..c02b792 100755
--- a/setup.bash
+++ b/setup.bash
@@ -36,6 +36,7 @@ else
 nodebb-upstream.conf for a webserver running on the host."
 fi
 
+
 # pull the NodeBB image
 docker pull boomzillawtf/tdwtf