Update and add more code comments (#538) #1

	name: Filesystem Subsystem

	on:
	push:
	branches:
	- "*"
	paths:
	- 'eBPF_Supermarket/Filesystem_Subsystem/**'
	- '.github/workflows/system_filesystem.yml'
	pull_request:
	branches:
	- "*"
	paths:
	- 'eBPF_Supermarket/Filesystem_Subsystem/**'
	- '.github/workflows/system_filesystem.yml'

	jobs:
	bcc-project-build-and-test:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v3

	- name: Cache BCC build directory
	id: cache-bcc
	uses: actions/cache@v3
	with:
	path: bcc
	key: ${{ runner.os }}-bcc

	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	sudo python -m pip install pyod
	sudo python -m pip install psutil
	sudo apt-get install -y linux-headers-$(uname -r)
	sudo apt-get install -y python-is-python3
	sudo apt-get install -y bison build-essential cmake flex git libedit-dev libllvm11 llvm-11-dev libclang-11-dev zlib1g-dev libelf-dev libfl-dev python3-distutils
	sudo ln -s /usr/lib/llvm-11 /usr/local/llvm

	- name: Build BCC
	if: steps.cache-bcc.outputs.cache-hit != 'true'
	run: \|
	wget https://github.com/iovisor/bcc/releases/download/v0.25.0/bcc-src-with-submodule.tar.gz
	tar xf bcc-src-with-submodule.tar.gz
	cd bcc/
	mkdir build
	cd build/
	cmake -DCMAKE_INSTALL_PREFIX=/usr -DPYTHON_CMD=python3 ..
	make

	- name: Run Main
	run: \|
	cd eBPF_Supermarket/Filesystem_Subsystem
	sudo python3 fs.py -h

	- name: Run Test
	run: \|
	cd eBPF_Supermarket/Filesystem_Subsystem
	sudo python3 fs.py -w

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