diff --git a/Dockerfile b/Dockerfile
index dcdb9ec..f613418 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,6 +44,7 @@ RUN mkdir out && \
 FROM fedora:30
 RUN dnf install -y \
   glib2 \
+  procps-ng \
   valgrind \
   nmap-ncat \
   psmisc \
diff --git a/scripts/container/lightning-server b/scripts/container/lightning-server
index 278c0ad..21cfc68 100755
--- a/scripts/container/lightning-server
+++ b/scripts/container/lightning-server
@@ -7,7 +7,7 @@ echo -e 'authenticate ""\nsetevents extended circ circ_minor stream orconn addrm
   ts \
 > ../log/server-tor-events-stdout.log 2> ../log/server-tor-events-stderr.log &
 
-strace -e trace=network -p 1 \
+strace -e trace=network,epoll_wait,epoll_create,epoll_create1,epoll_ctl,epoll_pwait -p 1 \
 > ../log/server-strace-tor-stdout.log 2> ../log/server-strace-tor-stderr.log &
 
 donar \
@@ -19,7 +19,7 @@ donar \
   -e 9000 \
 > ../log/server-donar-stdout.log 2> ../log/server-donar-stderr.log &
 
-strace -e trace=network -p $! \
+strace -e trace=network,epoll_wait,epoll_create,epoll_create1,epoll_ctl,epoll_pwait -p `pidof donar` \
 > ../log/server-strace-donar-stdout.log 2> ../log/server-strace-donar-stderr.log &
 
 measlat -h 127.0.0.1 -p 9000 -l -c $1 -i $2 -s $3 > ../log/server-measlat-stdout.log 2> ../log/server-measlat-stderr.log