tracesplit man page on DragonFly

tracesplit man page on DragonFly

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TRACESPLIT(1)			 User Commands			 TRACESPLIT(1)

NAME
       tracesplit - split traces

SYNOPSIS
       tracesplit  [  -f  bpf | --filter=bpf] [ -c count | --count=count] [ -b
       bytes | --bytes=bytes] [ -i seconds | --seconds=seconds] [ -s  unixtime
       |  --starttime=unixtime]	 [ -e unixtime | --endtime=unixtime] [ -m max‐
       files | --maxfiles=maxfiles] [ -S snaplen  |  --snaplen=snaplen]	 [  -z
       level  |	 --compress-level=level] [ -Z method | --compress-type=method]
       inputuri [inputuri ...] outputuri

DESCRIPTION
       tracesplit splits the given input traces into multiple tracefiles

       -f bpf filter
	      output only packets that match tcpdump style bpf filter

       -c count
	      output count packets per output file.  The output file  will  be
	      named  after the basename given in the outputuri with the packet
	      number of the first packet in this file.

       -b bytes
	      output bytes bytes per file

       -i seconds
	      start a new tracefile after "seconds" seconds

       -s unixtime
	      don't output any packets before unixtime

       -e unixtime
	      don't output any packets after unixtime

       -m maxfiles
	      do not create more than "maxfiles" trace files

       -S snaplen
	      Truncate packets to "snaplen" bytes long.	 The default  is  col‐
	      lect the entire packet.

       -z level
	      Compress the data using the specified compression level, ranging
	      from 0 to 9.  Higher compression levels tend to result in better
	      compression but require more processing power to compress.

       -Z compression-method
	      Compress	the  data  using  the specified compression algorithm.
	      Accepted methods are "gzip", "bzip2", "lzo" or  "none".  Default
	      value  is none unless a compression level is specified, in which
	      case gzip will be used.

EXAMPLES
       create a 1MB erf trace of port 80 traffic.
       tracesplit -z 1 -Z gzip -f 'port 80' -b $[ 1024 * 1024 ]
       erf:/traces/bigtrace.gz erf:/traces/port80.gz

LINKS
       More  details  about  tracesplit	 (and  libtrace)  can  be   found   at
       http://www.wand.net.nz/trac/libtrace/wiki/UserDocumentation

SEE ALSO
       libtrace(3),  tracemerge(1),  tracefilter(1),  traceconvert(1), traces‐
       plit_dir(1), tracereport(1), tracertstats(1), tracestats(1),  tracepkt‐
       dump(1),	 traceanon(1),	tracesummary(1), tracereplay(1), tracediff(1),
       traceends(1), tracetopends(1)

AUTHORS
       Perry Lorier <perry@cs.waikato.ac.nz>

tracesplit (libtrace)		 January 2011			 TRACESPLIT(1)

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