Sync taiko 2024-03-27 #16

	name: Valgrind Cachegrind

	on:
	pull_request:
	branches: [main]

	jobs:
	valgrind:
	runs-on: ubuntu-latest
	permissions: write-all

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Setup \| Rust
	uses: ATiltedTree/setup-rust@v1
	with:
	rust-version: stable

	- name: Install Valgrind
	run: \|
	sudo apt-get update
	sudo apt-get install -y valgrind

	- name: Run Valgrind
	run: \|
	cargo b -r -p revm-test --bin snailtracer
	valgrind --tool=cachegrind target/release/snailtracer 2>&1 \| tee cachegrind_results.txt

	- name: Valgrind results
	id: valgrind_results
	run: \|
	contents=$(printf "%s" "$(head -c 64000 cachegrind_results.txt)")
	# dump line by line into a file
	printf "Valgrind Results:\n\n\`\`\`\n%s\n\`\`\`" "$contents" > results.md

	- name: Comment on PR
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	# Try to edit the last comment
	if gh pr comment ${{ github.event.pull_request.number }} --edit-last --body-file results.md; then
	echo "Successfully edited last comment."
	else
	echo "Failed to edit last comment. Trying to add a new comment instead!"
	# If editing last comment fails, try to add a new comment
	if ! gh pr comment ${{ github.event.pull_request.number }} --body-file results.md; then
	echo "Comment failed to be made, printing out results here:"
	cat results.md
	fi
	fi

Provide feedback