/usr/bin/tracefilter is in libtrace-tools 3.0.21-1ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | #!/bin/sh
if [ $# -lt 3 ]; then
echo usage: $0 inputuri bpffilter outputuri
exit 1
fi
exec tracesplit "$1" -z 1 -Z "gzip" -f "$2" "$3"
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