fix: Update docs

Updates `getting-started.md` to match how tracing has been tested.

Signed-off-by: Jonathan Woollett-Light <jcawl@amazon.co.uk>

Author: Jonathan Woollett-Light

docs/getting-started.md

@@ -67,26 +67,19 @@ our [integration test suite](#running-the-integration-test-suite) does it. This
 guide will not use the [`jailer`](../src/jailer/).
 
 ```bash
-ARCH="$(uname -m)"
-
-# Download a linux kernel binary
-wget https://s3.amazonaws.com/spec.ccfc.min/img/quickstart_guide/${ARCH}/kernels/vmlinux.bin
-
-# Download a rootfs
-wget https://s3.amazonaws.com/spec.ccfc.min/ci-artifacts/disks/${ARCH}/ubuntu-18.04.ext4
-
-# Download the ssh key for the rootfs
-wget https://s3.amazonaws.com/spec.ccfc.min/ci-artifacts/disks/${ARCH}/ubuntu-18.04.id_rsa
-
-# Set user read permission on the ssh key
-chmod 400 ./ubuntu-18.04.id_rsa
-
 # Clone the firecracker repository
 git clone https://github.com/firecracker-microvm/firecracker
 
 # Start docker
 sudo systemctl start docker
 
+ARCH="$(uname -m)"
+
+API_SOCKET="/tmp/firecracker.socket"
+
+# Remove API unix socket
+sudo rm -f $API_SOCKET
+
 # Build firecracker
 #
 # It is possible to build for gnu, by passing the arguments '-l gnu'.
@@ -96,13 +89,21 @@ sudo systemctl start docker
 #
 sudo ./firecracker/tools/devtool build
 
-API_SOCKET="/tmp/firecracker.socket"
+# Download a linux kernel binary
+wget https://s3.amazonaws.com/spec.ccfc.min/img/quickstart_guide/${ARCH}/kernels/vmlinux.bin
 
-# Remove API unix socket
-rm -f $API_SOCKET
+# Download a rootfs
+wget https://s3.amazonaws.com/spec.ccfc.min/ci-artifacts/disks/${ARCH}/ubuntu-18.04.ext4
+
+# Download the ssh key for the rootfs
+wget https://s3.amazonaws.com/spec.ccfc.min/ci-artifacts/disks/${ARCH}/ubuntu-18.04.id_rsa
+
+# Set user read permission on the ssh key
+chmod 400 ./ubuntu-18.04.id_rsa
 
 # Run firecracker
-./firecracker/build/cargo_target/${ARCH}-unknown-linux-musl/debug/firecracker \
+sudo \
+    ./firecracker/build/cargo_target/${ARCH}-unknown-linux-musl/debug/firecracker \
     --api-sock "${API_SOCKET}"
 ```
 
@@ -133,17 +134,20 @@ sudo iptables -I FORWARD 1 -i tap0 -o eth0 -j ACCEPT
 
 API_SOCKET="/tmp/firecracker.socket"
 LOGFILE="./firecracker.log"
+PROFILE_FILE="./firecracker.folded"
 
 # Create log file
+rm -f $LOGFILE
 touch $LOGFILE
 
 # Set log file
-curl -X PUT --unix-socket "${API_SOCKET}" \
+sudo curl -X PUT --unix-socket "${API_SOCKET}" \
     --data "{
         \"log_path\": \"${LOGFILE}\",
-        \"level\": \"Debug\",
+        \"level\": \"Trace\",
         \"show_level\": true,
-        \"show_log_origin\": true
+        \"show_log_origin\": true,
+        \"new_format\": true
     }" \
     "http://localhost/logger"
 
@@ -157,7 +161,7 @@ if [ ${ARCH} = "aarch64" ]; then
 fi
 
 # Set boot source
-curl -X PUT --unix-socket "${API_SOCKET}" \
+sudo curl -X PUT --unix-socket "${API_SOCKET}" \
     --data "{
         \"kernel_image_path\": \"${KERNEL}\",
         \"boot_args\": \"${KERNEL_BOOT_ARGS}\"
@@ -167,7 +171,7 @@ curl -X PUT --unix-socket "${API_SOCKET}" \
 ROOTFS="./ubuntu-18.04.ext4"
 
 # Set rootfs
-curl -X PUT --unix-socket "${API_SOCKET}" \
+sudo curl -X PUT --unix-socket "${API_SOCKET}" \
     --data "{
         \"drive_id\": \"rootfs\",
         \"path_on_host\": \"${ROOTFS}\",
@@ -182,7 +186,7 @@ curl -X PUT --unix-socket "${API_SOCKET}" \
 FC_MAC="06:00:AC:10:00:02"
 
 # Set network interface
-curl -X PUT --unix-socket "${API_SOCKET}" \
+sudo curl -X PUT --unix-socket "${API_SOCKET}" \
     --data "{
         \"iface_id\": \"net1\",
         \"guest_mac\": \"$FC_MAC\",
@@ -195,7 +199,7 @@ curl -X PUT --unix-socket "${API_SOCKET}" \
 sleep 0.015s
 
 # Start microVM
-curl -X PUT --unix-socket "${API_SOCKET}" \
+sudo curl -X PUT --unix-socket "${API_SOCKET}" \
     --data "{
         \"action_type\": \"InstanceStart\"
     }" \