mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 10:15:57 +01:00
22dda8f6db
I noticed that it is not very elegant, since there are many other variants which are not included, e.g. Linux kernel build and random configs. Also it makes the path longer for something that is not the most common use case. Users can use run ID instead when they want separate output directories.
156 lines
4.3 KiB
Bash
156 lines
4.3 KiB
Bash
#!/usr/bin/env bash
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common_abspath() (
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echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"
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)
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common_bench_cmd() (
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# Benchmark a command.
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#
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# $1: command to benchmark
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# $2: where to append write results to. Default: /dev/null.
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#
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# Result format:
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#
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# cmd <command run>
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# time <time in seconds to finish>
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# exit_status <exit status>
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cmd="$1"
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results_file="${2:-/dev/null}"
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printf 'cmd ' >> "$results_file"
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env time --append -f 'time %e' --output="$results_file" "${root_dir}/eeval" -a "$cmd" "$results_file"
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printf "exit_status $?\n" >> "$results_file"
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)
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set_common_vars() {
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linux_variant=
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gem5_variant=
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OPTIND=1
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while getopts L:M:n: OPT; do
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case "$OPT" in
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L)
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linux_variant="$OPTARG"
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;;
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M)
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gem5_variant="$OPTARG"
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;;
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n)
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common_run_id="$OPTARG"
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;;
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esac
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done
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shift "$(($OPTIND - 1))"
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arch="$1"
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gem5="${2:-false}"
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case "$arch" in
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a|arm)
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arch=arm
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;;
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A|aarch64)
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arch=aarch64
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;;
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m|mips64)
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arch=mips64
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;;
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x|x86_64)
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arch=x86_64
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;;
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*)
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printf "unknown arch: ${arch}\n" 1>&2
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exit 2
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;;
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esac
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common_suffix="${3:-}"
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buildroot_dir="${root_dir}/buildroot"
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arch_dir="$arch"
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if [ -n "$common_suffix" ]; then
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arch_dir="${arch_dir}-${common_suffix}"
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fi
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out_arch_dir="${out_dir}/${arch_dir}"
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buildroot_out_dir="${out_arch_dir}/buildroot"
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build_dir="${buildroot_out_dir}/build"
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common_images_dir="${buildroot_out_dir}/images"
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host_dir="${buildroot_out_dir}/host"
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common_qemu_run_dir="${out_arch_dir}/qemu/${common_run_id}"
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common_qemu_termout_file="${common_qemu_run_dir}/termout.txt"
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common_linux_custom_dir="${build_dir}/linux-custom"
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common_linux_variant_dir="${common_linux_custom_dir}.${linux_variant}"
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common_vmlinux="${common_linux_variant_dir}/vmlinux"
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if [ -n "$common_gem5_worktree" ]; then
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common_gem5_src_dir="${common_gem5_non_default_src_root_dir}/${common_gem5_worktree}"
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else
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common_gem5_src_dir="${root_dir}/gem5/gem5"
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fi
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common_gem5_out_dir="${common_dir}/gem5/${gem5_variant}"
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common_gem5_m5term="${common_gem5_out_dir}/m5term"
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common_gem5_build_dir="${common_gem5_out_dir}/build"
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common_gem5_system_dir="${common_gem5_out_dir}/system"
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common_gem5_run_dir="${out_arch_dir}/gem5/${common_run_id}"
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common_gem5_termout_file="${common_gem5_run_dir}/termout.txt"
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common_m5out_dir="${common_gem5_run_dir}/m5out"
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if "$gem5"; then
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common_run_dir="$common_gem5_run_dir"
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common_termout_file="$common_gem5_termout_file"
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else
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common_run_dir="$common_qemu_run_dir"
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common_termout_file="$common_qemu_termout_file"
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fi
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common_trace_txt_file="${common_m5out_dir}/trace.txt"
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case "$arch" in
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arm)
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common_linux_image=arch/arm/boot/zImage
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;;
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aarch64)
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common_linux_image=arch/arm64/boot/Image
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;;
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mips64)
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common_linux_image=vmlinux
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;;
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x86_64)
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common_linux_image=arch/x86/boot/bzImage
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;;
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esac
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common_linux_image="${common_linux_variant_dir}/${common_linux_image}"
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# Ports.
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common_run_id_number="$(echo "$common_run_id" | cut -d . -f 2)"
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if "$gem5"; then
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common_gem5_telnet_port="$((3456 + $common_run_id_number))"
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common_gdb_port="$((7000 + $common_run_id_number))"
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else
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common_qemu_base_port="$((45454 + 10 * $common_run_id_number))"
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common_qemu_monitor_port="$(($common_qemu_base_port + 0))"
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common_qemu_hostfwd_generic_port="$(($common_qemu_base_port + 1))"
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common_qemu_hostfwd_ssh_port="$(($common_qemu_base_port + 2))"
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common_qemu_gdb_port="$(($common_qemu_base_port + 3))"
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common_gdb_port="$common_qemu_gdb_port"
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fi
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}
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common_mkdir() (
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mkdir -p \
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"$build_dir" \
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"$common_gem5_out_dir" \
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"$common_gem5_run_dir" \
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"$common_qemu_run_dir" \
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"$p9_dir" \
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;
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)
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common_linux_variant=default
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root_dir="$(pwd)"
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out_dir="${root_dir}/out"
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common_bench_boot="${out_dir}/bench-boot.txt"
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data_dir="${root_dir}/data"
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p9_dir="${data_dir}/9p"
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readfile_file="${data_dir}/readfile"
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common_dir="${out_dir}/common"
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common_gem5_build_type=opt
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common_gem5_default_src_dir="${root_dir}/gem5/gem5"
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common_gem5_non_default_src_root_dir="${data_dir}/gem5"
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common_gem5_worktree=
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common_gem5_variant=default
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common_run_id=0
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f="${data_dir}/cli"
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if [ -f "$f" ]; then
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. "$f"
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fi
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# Default arch.
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arch=x86_64
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gem5=false
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