Files
linux-kernel-module-cheat/trace-boot
Ciro Santilli 5235854384 Create the cli.gitignore mechanism to pass extra default cli options
Document that X11 mouse is not moving.

Convert x='' to x= on all scripts, and also fix case ;; indentations.

Add dummy value to QEMU's -trace enable= to prevent warning.

Expand built-in package choice rationale.
2018-03-30 17:03:17 +01:00

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#!/usr/bin/env bash
set -eu
. common
set -- ${cli_trace_boot:-} "$@"
arch=x86_64
while getopts a: OPT; do
case "$OPT" in
a)
arch="$OPTARG"
;;
esac
done
set_common_vars "$arch" false
time ./run -a "$arch" -e 'init=/poweroff.out' -T exec_tb
time ./qemu/scripts/simpletrace.py "${build_dir}/host-qemu-custom/trace-events-all" "${qemu_out_dir}/trace.bin" >"${qemu_out_dir}/trace.txt"
# Instruction count.
# We could put this on a separate script, but it just adds more arch boilerplate to a new script.
# So let's just leave it here for now since it did not add a significant processing time.
echo "instruction count all: $(wc -l "${qemu_out_dir}/trace.txt" | cut -d' ' -f1)"
entry_addr=$("${host_dir}"/bin/*-buildroot-*-readelf -h "${build_dir}/linux-custom/vmlinux" | grep 'Entry point address' | sed -E 's/.*: *//')
echo "entry address: ${entry_addr}"
sed "/${entry_addr}/q" "${qemu_out_dir}/trace.txt" >"${qemu_out_dir}/trace-boot.txt"
echo "instruction count firmware: $(wc -l "${qemu_out_dir}/trace-boot.txt" | cut -d' ' -f1)"