using py-spy record top cpu usage python program

py-spy-record-top.sh

#!/bin/bash

output=$1

if [ -z "$output" ]; then
  output="profile.svg"
fi

# assume that the top usage program is python program, or you can customize the top command
# using head/tail to get the top 1 line (the first 8 are headers)
topid=`top -b -n 1| head -n 8 |tail -n 1|awk '{print $1}'`
echo "top pid: $topid, recording..."

py-spy record -o $output --pid $topid