3rd-party/linux-kernel-module-cheat
1
0
Fork 0
mirror of https://github.com/cirosantilli/linux-kernel-module-cheat.git synced 2026-01-22 17:55:57 +01:00
Code Issues Releases Wiki Activity

trace-boot: automate instruction count on arm

Browse Source 
Clean old trace boot results with new automated results.
This commit is contained in:
Ciro Santilli
2018-04-10 03:38:24 +01:00
parent fb317f4778
commit b6dc20cb74
5 changed files with 86 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
trace-boot
View File

@@ -11,13 +11,13 @@ while getopts a: OPT; do
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" >"${qemu_out_dir}/trace.txt"
time ./qemu-trace2txt -a "$arch"
# 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 "instructions $(wc -l "${qemu_out_dir}/trace.txt" | cut -d' ' -f1)"
echo "instructions $(wc -l "${qemu_trace_txt_file}" | 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"
sed "/${entry_addr}/q" "${qemu_trace_txt_file}" >"${qemu_out_dir}/trace-boot.txt"
echo "instructions_firmware $(wc -l "${qemu_out_dir}/trace-boot.txt" | cut -d' ' -f1)"