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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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ab21ef58de
As noted however, it is potentially too slow to be useful. run: unify gem5 and qemu tracing under -T readme: overhaul tracing documentation from what I've learnt from trace2line
32 lines
1.2 KiB
Bash
Executable File
32 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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. common
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set -- ${cli_trace_boot:-} "$@"
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while getopts a:g OPT; do
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case "$OPT" in
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a)
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arch="$OPTARG"
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;;
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g)
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gem5=true
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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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set_common_vars "$arch" "$gem5"
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if "$gem5"; then
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# Exactly what Exec enabled, but without ExecSymbol and ExecMicro.
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time ./run -a aarch64 -E 'm5 exit' -g -T 'ExecEnable,ExecTicks,ExecOpClass,ExecThread,ExecEffAddr,ExecResult,ExecMacro,ExecFaulting,ExecUser,ExecKernel' "$@"
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else
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time ./run -a "$arch" -e 'init=/poweroff.out' -T exec_tb "$@"
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time ./qemu-trace2txt -a "$arch"
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# Instruction count.
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# We could put this on a separate script, but it just adds more arch boilerplate to a new script.
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# So let's just leave it here for now since it did not add a significant processing time.
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echo "instructions $(wc -l "${common_trace_txt_file}" | cut -d' ' -f1)"
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entry_addr=$("${root_dir}/runtc" readelf -h "${build_dir}/linux-custom/vmlinux" | grep 'Entry point address' | sed -E 's/.*: *//')
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echo "entry_address ${entry_addr}"
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sed "/${entry_addr}/q" "${common_trace_txt_file}" >"${qemu_out_dir}/trace-boot.txt"
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echo "instructions_firmware $(wc -l "${qemu_out_dir}/trace-boot.txt" | cut -d' ' -f1)"
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fi
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