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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-10-31 20:39:48 +00:00
trezor-firmware/core/tools/alloc.py

177 lines
5.1 KiB
Python
Executable File

#!/usr/bin/env python3
from pathlib import Path
from types import SimpleNamespace
import click
HERE = Path(__file__).parent.resolve()
def parse_alloc_data(alloc_data):
parsed_data = {}
for line in alloc_data:
ident, allocs, calls = line.strip().split(" ")
allocs = int(allocs)
calls = int(calls)
filename, lineno = ident.split(":")
lineno = int(lineno)
filedata = parsed_data.setdefault(filename, {})
filedata[lineno] = {
"total_allocs": allocs,
"total_calls": calls,
"avg_allocs": allocs / calls,
}
return parsed_data
@click.group()
@click.pass_context
@click.option("-a", "--alloc-data", type=click.File(), default="src/alloc_data.txt")
@click.option("-t", "--type", type=click.Choice(("total", "avg")), default="avg")
def cli(ctx, alloc_data, type):
ctx.obj = SimpleNamespace(data=parse_alloc_data(alloc_data), type=type)
def _normalize_filename(filename):
if filename.startswith("src/"):
return filename[4:]
return filename
@cli.command()
@click.pass_obj
@click.argument("filename")
def annotate(obj, filename):
filename = _normalize_filename(filename)
if obj.type == "total":
alloc_str = lambda line: str(line["total_allocs"])
else:
alloc_str = lambda line: "{:.2f}".format(line["avg_allocs"])
filedata = obj.data[filename]
linedata = {lineno: alloc_str(line) for lineno, line in filedata.items()}
maxlen = max(len(l) for l in linedata.values())
lineno = 0
for line in open("src/" + filename):
lineno += 1
linecount = linedata.get(lineno, "")
print(f"{linecount:>{maxlen}} {line}", end="")
def _list(obj, sort_by="avg_allocs", reverse=False):
return sorted(
(
(
filename,
sum(line["avg_allocs"] for line in lines.values()),
sum(line["total_allocs"] for line in lines.values()),
)
for filename, lines in obj.data.items()
),
key=lambda x: x[1 if sort_by == "avg_allocs" else 2],
reverse=reverse,
)
@cli.command()
@click.pass_obj
@click.option("-r", "--reverse", is_flag=True)
def list(obj, reverse):
if obj.type == "total":
field = "total_allocs"
format_num = lambda l: "{}".format(l[2])
else:
field = "avg_allocs"
format_num = lambda l: "{:.2f}".format(l[1])
file_sums = _list(obj, field, reverse)
maxlen = max(len(format_num(l)) for l in file_sums)
for l in file_sums:
num_str = format_num(l)
filename = l[0]
print(f"{num_str:>{maxlen}} {filename}")
class HtmlTable:
def __init__(self, f):
self.f = f
def __enter__(self):
self.f.write("<table>")
return self
def __exit__(self, type, value, traceback):
self.f.write("</table>")
def tr(self, *tds):
self.f.write("<tr>")
for td in tds:
if isinstance(td, tuple):
self.f.write("<td {}><tt>{}</tt></td>".format(td[0], td[1]))
else:
self.f.write(f"<td><tt>{td}</tt></td>")
self.f.write("</tr>")
@cli.command()
@click.pass_obj
@click.argument("htmldir")
def html(obj, htmldir):
file_sums = _list(obj, "total_allocs", reverse=True)
style_grey = "style='color: grey'"
style_right = "style='text-align: right'"
with open(f"{htmldir}/index.html", "w") as f:
f.write("<html>")
f.write(
"<h3>Total allocations: {}</h3>".format(
sum(total_sum for _, _, total_sum in file_sums)
)
)
with HtmlTable(f) as table:
table.tr((style_right, "avg"), (style_right, "total"), "")
for filename, avg_sum, total_sum in file_sums:
table.tr(
(style_right, f"{avg_sum:.2f}"),
(style_right, total_sum),
f"<a href='{filename}.html'>{filename}</a>",
)
f.write("</html>")
for filename in file_sums:
filename = _normalize_filename(filename[0])
htmlfile = Path(htmldir) / filename
htmlfile.parent.mkdir(parents=True, exist_ok=True)
with open(str(htmlfile) + ".html", "w") as f:
filedata = obj.data[filename]
f.write(f"<html><title>{filename}</title>")
with HtmlTable(f) as table:
table.tr(
(style_grey, "#"), (style_right, "avg"), (style_right, "total"), ""
)
lineno = 0
for line in open(HERE.parent / "src" / filename):
line = line.rstrip("\n").replace(" ", "&nbsp;")
lineno += 1
total = filedata.get(lineno, {}).get("total_allocs", 0)
avg = filedata.get(lineno, {}).get("avg_allocs", 0)
table.tr(
(style_grey, lineno),
(style_right, f"{avg:.2f}"),
(style_right, total),
line,
)
f.write("</html>")
if __name__ == "__main__":
cli()