doc: fix ubuntu pkg name for tcmalloc

diff --git a/doc/userguide/performance/tcmalloc.rst b/doc/userguide/performance/tcmalloc.rst
index 887061a3318cc79f6c78b0c69a23140fd21daefb..b5f559f13d08496d98a84423552f326519a17641 100644 (file)
--- a/doc/userguide/performance/tcmalloc.rst
+++ b/doc/userguide/performance/tcmalloc.rst
@@ -9,11 +9,11 @@ speed ups and also reduces memory usage quite a bit.
 Installation
 ~~~~~~~~~~~~
 
-On Ubuntu, install the libtcmalloc-minimal0 package:
+On Ubuntu, install the libtcmalloc-minimal4 package:
 
 ::
 
-  apt-get install libtcmalloc-minimal0
+  apt-get install libtcmalloc-minimal4
 
 On Fedora, install the gperftools-libs package:
 
@@ -30,7 +30,7 @@ Ubuntu:
 
 ::
 
-  LD_PRELOAD="/usr/lib/libtcmalloc_minimal.so.0" suricata -c suricata.yaml -i eth0
+  LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4" suricata -c suricata.yaml -i eth0
 
 Fedora: