diff options
| -rw-r--r-- | docbook/user-guide.xml | 5 | ||||
| -rw-r--r-- | docbook/wsug_src/WSUG_chapter_capture.xml | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/docbook/user-guide.xml b/docbook/user-guide.xml index e301a721a1..e93754f1d4 100644 --- a/docbook/user-guide.xml +++ b/docbook/user-guide.xml @@ -121,6 +121,11 @@ Tcpdump Info <!ENTITY TcpdumpManpage "&TcpdumpWebsite;/tcpdump_man.html"> <!-- +Misc Info +--> + <!ENTITY SysFsUtils "http://linux-diag.sourceforge.net/Sysfsutils.html"> + +<!-- Gnu info --> <!ENTITY GPLWebsite "http://www.gnu.org/copyleft/gpl.html"> diff --git a/docbook/wsug_src/WSUG_chapter_capture.xml b/docbook/wsug_src/WSUG_chapter_capture.xml index c031da3db7..7823c823e0 100644 --- a/docbook/wsug_src/WSUG_chapter_capture.xml +++ b/docbook/wsug_src/WSUG_chapter_capture.xml @@ -384,6 +384,14 @@ wireshark -i eth0 -k The "Compile selected BPFs" button leads you to <xref linkend="ChCapCompileSelectedBpfsDialog"/>. </para> + <tip><title>Tip!</title> + <para> + The execution of BPFs can be sped up on Linux by turning on BPF JIT by + executing <programlisting>echo 1 >/proc/sys/net/core/bpf_jit_enable</programlisting> + if it is not enabled already. To make the change persistent you can use sysfsutils + <ulink url="&SysFsUtils;">sysfsutils</ulink>. + </para> + </tip> </listitem> </varlistentry> <varlistentry> |