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| author | Balint Reczey <balint@balintreczey.hu> | 2013-08-23 18:11:47 +0000 |
|---|---|---|
| committer | Balint Reczey <balint@balintreczey.hu> | 2013-08-23 18:11:47 +0000 |
| commit | baaa0eb1a0dfe71646367f58c0148ed4a84d14b6 (patch) | |
| tree | bd2369141e07b5ef9e5cd8e850fbbaa59b1513fa /docbook/wsug_src | |
| parent | c431ae3d816b7d6c53bda04cfd702add8d12b223 (diff) | |
Mention BPF JIT in User Guide
svn path=/trunk/; revision=51492
Diffstat (limited to 'docbook/wsug_src')
| -rw-r--r-- | docbook/wsug_src/WSUG_chapter_capture.xml | 8 |
1 files changed, 8 insertions, 0 deletions
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> |