fzf + pahole = <3

kfunc-get.sh

#!/bin/sh

describe()
{
    {
	pfunct -f "$1"
	echo
	pfunct -f "$1" --no_parm_names | awk '
    	   {
		gsub("[a-zA-Z0-9_]+\\(","");
		gsub("[*,;)]|static|const|signed|unsigned|char|short|int|long|void|struct|union|enum","");
		gsub("[ \t]+","\n");
		print;
	   }' | sort -u | xargs -n 1 pahole -qC
    } | highlight -Sc -Oxterm256
}

if [ "$1" = "-f" ]; then
    describe $2
    exit 0
fi

awk '/ [tT] [a-zA-Z0-9_]+$/ { print($3); }' /proc/kallsyms | fzf --preview="$0 -f {}"