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| author | Thomas Huth <thuth@redhat.com> | 2015-10-13 12:40:02 +0200 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2015-10-27 10:30:36 +0800 |
| commit | d3e0c032f52f4fb855f9bd2892ebd175a9d975a1 (patch) | |
| tree | da654698278f5ccf4143abd632313dbf7c3e8854 /qemu-options.hx | |
| parent | 9d3e12e881bc97bc32ac75d146b5347136f29ca1 (diff) | |
options: Add documentation for filter-dump
Add a short description for the filter-dump command line options.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index edee5f4844..949db7f2ea 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2012,6 +2012,7 @@ qemu -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,sha Dump network traffic on VLAN @var{n} to file @var{file} (@file{qemu-vlan0.pcap} by default). At most @var{len} bytes (64k by default) per packet are stored. The file format is libpcap, so it can be analyzed with tools such as tcpdump or Wireshark. +Note: For devices created with '-netdev', use '-object filter-dump,...' instead. @item -net none Indicate that no network devices should be configured. It is used to @@ -3665,6 +3666,13 @@ queue @var{all|rx|tx} is an option that can be applied to any netfilter. @option{tx}: the filter is attached to the transmit queue of the netdev, where it will receive packets sent by the netdev. +@item -object filter-dump,id=@var{id},netdev=@var{dev},file=@var{filename}][,maxlen=@var{len}] + +Dump the network traffic on netdev @var{dev} to the file specified by +@var{filename}. At most @var{len} bytes (64k by default) per packet are stored. +The file format is libpcap, so it can be analyzed with tools such as tcpdump +or Wireshark. + @end table ETEXI |