papermario/progress.py

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2021-01-04 14:50:33 +01:00
#!/usr/bin/env python3
import argparse
import git
import os
import subprocess
import sys
script_dir = os.path.dirname(os.path.realpath(__file__))
root_dir = script_dir
asm_dir = os.path.join(root_dir, "asm", "nonmatchings")
build_dir = os.path.join(root_dir, "build")
elf_path = os.path.join(build_dir, "papermario.elf")
def get_func_sizes():
try:
result = subprocess.run(['objdump', '-x', elf_path], stdout=subprocess.PIPE)
nm_lines = result.stdout.decode().split("\n")
except:
print(f"Error: Could not run objdump on {elf_path} - make sure that the project is built")
sys.exit(1)
sizes = {}
total = 0
for line in nm_lines:
if " F " in line:
components = line.split()
size = int(components[4], 16)
name = components[5]
total += size
sizes[name] = size
return sizes, total
def get_nonmatching_funcs():
funcs = set()
for root, dirs, files in os.walk(asm_dir):
for f in files:
if f.endswith(".s"):
funcs.add(f[:-2])
return funcs
def get_funcs_sizes(sizes, matchings, nonmatchings):
msize = 0
nmsize = 0
for func in matchings:
msize += sizes[func]
for func in nonmatchings:
if func not in sizes:
pass
# print(func)
else:
nmsize += sizes[func]
return msize, nmsize
def main(args):
func_sizes, total_size = get_func_sizes()
all_funcs = set(func_sizes.keys())
nonmatching_funcs = get_nonmatching_funcs()
matching_funcs = all_funcs - nonmatching_funcs
matching_size, nonmatching_size = get_funcs_sizes(func_sizes, matching_funcs, nonmatching_funcs)
funcs_matching_ratio = (len(matching_funcs) / len(all_funcs)) * 100
matching_ratio = (matching_size / total_size) * 100
if matching_size + nonmatching_size != total_size:
print("Warning: category/total size mismatch!\n")
if args.csv:
version = 1
git_object = git.Repo().head.object
timestamp = str(git_object.committed_date)
git_hash = git_object.hexsha
csv_list = [str(version), timestamp, git_hash, str(len(all_funcs)), str(len(nonmatching_funcs)),
str(len(matching_funcs)), str(total_size), str(nonmatching_size), str(matching_size)]
print(",".join(csv_list))
else:
print(f"{len(matching_funcs)} matched functions / {len(all_funcs)} total ({funcs_matching_ratio:.2f}%)")
print(f"{matching_size} matching bytes / {total_size} total ({matching_ratio:.2f}%)")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Reports progress for the project")
parser.add_argument("--csv", action="store_true")
args = parser.parse_args()
main(args)