perf usage ubuntu

gistfile1.txt

on host:
codename=$(lsb_release -c | awk  '{print $2}')
sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
deb http://ddebs.ubuntu.com/ ${codename}      main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-security main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-updates  main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-proposed main restricted universe multiverse
EOF

sudo apt-get update
sudo apt-get install linux-image-$(uname -r)-dbgsym


sudo apt-get install linux-tools-common linux-tools-generic linux-tools-`uname -r`
sudo sh -c " echo 0 > /proc/sys/kernel/kptr_restrict"

in docker container:
git clone https://github.com/brendangregg/FlameGraph

perf script | ./stackcollapse-perf.pl > out.perf-folded
cat out.perf-folded | ./flamegraph.pl > perf-kernel.svg