---
name: "tracefilter"
section: "1"
platform: "linux"
package: "libtrace-tools"
version: "3.0.22-0.2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/tracefilter"
---

# tracefilter(1)

apply a bpf filter to a trace

## NAME

tracefilter - apply a bpf filter to a trace

## SYNOPSIS

**tracefilter** inputuri bpf outputuri ...

## DESCRPTION

tracefilter copies all packets that match a bpf expression to an output file.

tracefilter is a shellscript wrapper around [tracesplit(1)](/tracesplit/1.md)

## LINKS

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

## SEE ALSO

libtrace(3), [tracemerge(1)](/tracemerge/1.md), [tracesplit(1)](/tracesplit/1.md), [tracesplit\_dir(1)](/tracesplit_dir/1.md), [traceconvert(1)](/traceconvert/1.md), [tracereport(1)](/tracereport/1.md), [tracestats(1)](/tracestats/1.md), [tracertstats(1)](/tracertstats/1.md), [tracepktdump(1)](/tracepktdump/1.md), [traceanon(1)](/traceanon/1.md),  [tracesummary(1)](/tracesummary/1.md), [tracereplay(1)](/tracereplay/1.md), [tracediff(1)](/tracediff/1.md), [traceends(1)](/traceends/1.md), [tracetopends(1)](/tracetopends/1.md)

## AUTHORS

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