#!/bin/bash

# Creates profiling graphs as png in your current directory.
#
# You'll need:
#   - gprof2dot
#   - dot


bin="$1"
shift
out="${bin}.callgrind"

if [[ -z "$bin" || ! -x "$bin" ]]; then
    echo "Usage: cprof <executable> [program args]"
    exit 1
fi

valgrind --tool=callgrind \
    --callgrind-out-file="$out" \
    "$bin" "$@" \
    || echo "valgrind non-zero. Continuing..."

gprof2dot "$out" --format=callgrind -o out.dot || exit 1
dot -Tpng out.dot -o graph.png || exit 1

echo "done"