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| TRACESPLIT(1) | User Commands | TRACESPLIT(1) |
NAME
tracesplit - split tracesSYNOPSIS
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 maxfiles | --maxfiles=maxfiles] [ -S snaplen | --snaplen=snaplen] [ -z level | --compress-level=level] [ -Z method | --compress-type=method] inputuri [inputuri ...] outputuriDESCRIPTION
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 collect 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/UserDocumentationSEE ALSO
libtrace(3), tracemerge(1), tracefilter(1), traceconvert(1), tracesplit_dir(1), tracereport(1), tracertstats(1), tracestats(1), tracepktdump(1), traceanon(1), tracesummary(1), tracereplay(1), tracediff(1), traceends(1), tracetopends(1)AUTHORS
Perry Lorier <perry@cs.waikato.ac.nz>| January 2011 | tracesplit (libtrace) |
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