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#!/usr/bin/env python3
import os
import tempfile
import requests
from subprocess import check_call, check_output, CalledProcessError
from typing import TextIO
# Benchmark name, Directory with SVGs to render
BENCHMARKS = [
["hicolor-apps", "./hicolor-apps"],
["symbolic-icons", "../tests/fixtures/reftests/adwaita"],
]
METRICS_URL = "https://librsvg-metrics.fly.dev/api/metrics/"
PATH_TO_RSVG_BENCH = "../target/release/rsvg-bench"
def parse_output_file(file: TextIO):
""" parse the cachegrind output file for metrics"""
keys, values = None, None
for line in file.readlines():
line = line.strip()
if line.startswith("events: "):
keys = line.removeprefix("events: ").split(" ")
if line.startswith("summary: "):
values = line.removeprefix("summary: ").split(" ")
if keys is None or values is None:
raise Exception("Couldn't parse cachegrind file, event names or summary metrics not found")
return {k: v for k, v in zip(keys, values)}
def get_commit_details():
""" Get commit details on which benchmarking is run """
if os.environ.get("CI_COMMIT_SHA") and os.environ.get("CI_COMMIT_TIMESTAMP"):
return {
"commit": os.environ["CI_COMMIT_SHA"],
"time": os.environ["CI_COMMIT_TIMESTAMP"]
}
commit_hash = check_output(["git", "show", "--format=%cI"]).strip()
commit_time = check_output(["git", "show", "--format=%H"]).strip()
return {
"commit": str(commit_hash),
"time": str(commit_time)
}
def submit_metrics(data):
token = os.environ["METRICS_TOKEN"]
response = requests.post(METRICS_URL, json=data, headers={"Authorization": f"Token {token}"})
response.raise_for_status()
def run_with_cachegrind(directory, path):
command = ["valgrind", "--tool=cachegrind", f"--cachegrind-out-file={path}", PATH_TO_RSVG_BENCH, directory]
check_call(command)
def check_working_tree():
cmd = ["git", "diff-index", "--quiet", "HEAD"]
try:
check_call(cmd)
except CalledProcessError as e:
print("git working tree not clean, exiting.")
raise e
def run_benchmark(name, directory):
with tempfile.NamedTemporaryFile("r+") as file:
run_with_cachegrind(directory, file.name)
metrics = parse_output_file(file)
metrics["value"] = metrics["Ir"]
metrics["name"] = name
metadata = get_commit_details()
data = metadata | metrics
submit_metrics(data)
def main():
check_working_tree()
for name, directory in BENCHMARKS:
run_benchmark(name, directory)
if __name__ == "__main__":
main()
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