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Arm backend: Auto generate cycle table if ETDump is used #13943

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Merged
oscarandersson8218 merged 2 commits into from
Sep 5, 2025
Merged

Arm backend: Auto generate cycle table if ETDump is used #13943

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0c25cf9
Arm backend: Auto generate cycle table if ETDump is used
zingo Aug 27, 2025
07c0eb4
Merge branch 'main' into Arm-backend-Auto-generate-cycle-table-if-ETD…
zingo Sep 4, 2025
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19 changes: 17 additions & 2 deletions backends/arm/scripts/run_fvp.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ if [[ ${target} == *"ethos-u55"* ]]; then
-C mps3_board.uart0.shutdown_on_eot=1 \
-a "${elf_file}" \
${data_file} \
--timelimit ${timeout} 2>&1 | tee ${log_file} || true # seconds
--timelimit ${timeout} 2>&1 | sed 's/\r$//' | tee ${log_file} || true # seconds
echo "[${BASH_SOURCE[0]}] Simulation complete, $?"
elif [[ ${target} == *"ethos-u85"* ]]; then
${nobuf} ${fvp_model} \
Expand All @@ -104,13 +104,28 @@ elif [[ ${target} == *"ethos-u85"* ]]; then
-C mps4_board.uart0.shutdown_on_eot=1 \
-a "${elf_file}" \
${data_file} \
--timelimit ${timeout} 2>&1 | tee ${log_file} || true # seconds
--timelimit ${timeout} 2>&1 | sed 's/\r$//' | tee ${log_file} || true # seconds
echo "[${BASH_SOURCE[0]}] Simulation complete, $?"
else
echo "Running ${elf_file} for ${target} is not supported"
exit 1
fi

echo "Checking for a etdump in log"
! grep "#\[RUN THIS\]" ${log_file} >/dev/null
if [ $? != 0 ]; then
echo "Found ETDump in log!"
echo "#!/bin/sh" > etdump_script.sh
sed -n '/^#\[RUN THIS\]$/,/^#\[END\]$/p' ${log_file} >> etdump_script.sh
# You can run etdump_script.sh if you do
# $ chmod a+x etdump_script.sh
# $ ./etdump_script.sh
# But lets not trust the script as a bad patch would run bad code on your machine
grep ">etdump.bin" etdump_script.sh | cut -d\" -f2- | cut -d\" -f1 >etdump.base64
base64 -d etdump.base64 >etdump.bin
python3 -m devtools.inspector.inspector_cli --etdump_path etdump.bin --source_time_scale cycles --target_time_scale cycles
fi

echo "Checking for problems in log:"
! grep -E "^(F|E|\\[critical\\]|Hard fault.|Info: Simulation is stopping. Reason: CPU time has been exceeded.).*$" ${log_file}
if [ $? != 0 ]; then
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2 changes: 1 addition & 1 deletion examples/arm/executor_runner/arm_executor_runner.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -852,7 +852,7 @@ void write_etdump(RunnerContext& ctx) {
encoded_buf[encoded_len] = 0x00; // Ensure null termination
ET_LOG(Info, "Writing etdump.bin [base64]");
printf(
"#---\necho \"%s\" | base64 -d >etdump.bin\npython3 -m devtools.inspector.inspector_cli --etdump_path etdump.bin --source_time_scale cycles --target_time_scale cycles\n#---\n",
"#[RUN THIS]\necho \"%s\" | base64 -d >etdump.bin\npython3 -m devtools.inspector.inspector_cli --etdump_path etdump.bin --source_time_scale cycles --target_time_scale cycles\n#[END]\n",
encoded_buf);
} else {
ET_LOG(
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