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#!/usr/bin/awk -f
# Appends percentage to output of:
# tshark -z io,phs -w /dev/null -r input.pcapng
BEGIN {
# Set -v relative=1 to get percentage relative to parent
if (relative)
relative = 1;
else
relative = 0;
# Set -v by_frames=1 to get percentage based on frames instead of bytes
if (by_frames)
by_frames = 1;
else
by_frames = 0;
delete lens;
stats = 0;
}
stats && /bytes:/ {
if (by_frames)
field = NF - 1;
else
field = NF;
# frames:1 or bytes:1
split($field, a, ":");
count = a[2];
ind = (match($0,/[^ ]/) - 1) / 2;
# Store count in depth.
lens[ind] = count;
all = lens[0];
if (ind > 0 && relative) {
all = lens[ind - 1];
}
percent = 100 * (count / all);
$0 = $0 "\t" sprintf("%.2f", percent);
}
# Assume that a line that starts with Filter: marks the start of stats.
/^Filter: / {
stats = 1;
}
# Print all lines
{ print }
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