performance.sh

#!/usr/bin/env bash

set -e

#pub upgrade --no-precompile
dart --observe --pause_isolates_on_exit tool/grind.dart atomic-build-runner &
#dart --optimization_counter_threshold=500 --worker_timeout_millis=500 --new_gen_ext_limit=4048 --old_gen_growth_rate=1000 tool/grind.dart serve &

pid=$!

# If this script is killed, kill the `dart'.
trap "kill $pid 2> /dev/null" EXIT

(>&2 echo "NUMBER,VIRTUAL_MEMORY (kb),REAL_MEMORY (kb),CPU,SWAP") 2> ./measures.csv
# While process is running...
COUNTER=1
while kill -0 $pid 2> /dev/null; do
	VIRTUAL_MEMORY="$(ps -p $pid -o vsize=)";
	REAL_MEMORY="$(ps -p $pid -o rss=)";
	CPU="$(ps -p $pid -o %cpu=)";
	SWAP="$(ps -p $pid -o nswap=)";
	(>&2 echo $COUNTER","$VIRTUAL_MEMORY","$REAL_MEMORY","$CPU","$SWAP) 2>> ./measures.csv
	COUNTER=$[$COUNTER +1]
  sleep 1
done

# Disable the trap on a normal exit.
trap - EXIT