gather-node-stacks.sh

#!/bin/bash

echo "Gathering 60s of data for process ID $1"

dtrace -n "profile-997/pid == $1 && arg1/{
    @[jstack(50, 2048)] = count(); } tick-30s { exit(0); }" > $1.out

echo "Filtering..."

c++filt < $1.out > $1-demangled.out

echo "Generating flamegraph..."

stackvis dtrace flamegraph-svg < $1-demangled.out > $1-demangled.svg

echo "Generating collapsed flamegraph..."

stackvis dtrace collapsed  < $1-demangled.out > $1-collapsed.out
stackvis collapsed flamegraph-svg < $1-collapsed.out > $1-collapsed.svg