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denoland-deno/tools/benchmark_test.py
Ry Dahl e83658138b
Fix bug in strace parser (#3720)
Co-authored-by: @kt3k
2020-01-20 09:49:18 -05:00

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Python
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#!/usr/bin/env python
# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import sys
import os
import unittest
import benchmark
from test_util import DenoTestCase, run_tests
class TestBenchmark(DenoTestCase):
def test_strace_parse(self):
with open(
os.path.join(sys.path[0], "testdata/strace_summary.out"),
"r") as f:
summary = benchmark.strace_parse(f.read())
# first syscall line
assert summary["munmap"]["calls"] == 60
assert summary["munmap"]["errors"] == 0
# line with errors
assert summary["mkdir"]["errors"] == 2
# last syscall line
assert summary["prlimit64"]["calls"] == 2
assert summary["prlimit64"]["% time"] == 0
# summary line
assert summary["total"]["calls"] == 704
def test_strace_parse2(self):
with open(
os.path.join(sys.path[0], "testdata/strace_summary2.out"),
"r") as f:
summary = benchmark.strace_parse(f.read())
# first syscall line
assert summary["futex"]["calls"] == 449
assert summary["futex"]["errors"] == 94
# summary line
assert summary["total"]["calls"] == 821
def test_max_mem_parse(self):
with open(os.path.join(sys.path[0], "testdata/time.out"), "r") as f:
data = f.read()
assert benchmark.find_max_mem_in_bytes(data) == 120380 * 1024
def test_binary_size(self):
binary_size_dict = benchmark.get_binary_sizes(self.build_dir)
assert binary_size_dict["deno"] > 0
assert binary_size_dict["CLI_SNAPSHOT.js"] > 0
assert binary_size_dict["CLI_SNAPSHOT.js.map"] > 0
assert binary_size_dict["CLI_SNAPSHOT.bin"] > 0
@unittest.skipIf("linux" not in sys.platform,
"strace only supported on linux")
def test_strace(self):
new_data = {}
benchmark.run_strace_benchmarks(self.deno_exe, new_data)
assert "thread_count" in new_data
assert "syscall_count" in new_data
s = new_data["thread_count"]
assert "hello" in s
assert s["hello"] > 1
s = new_data["syscall_count"]
assert "hello" in s
assert s["hello"] > 1
if __name__ == '__main__':
# FIME this doesn't appear to be the case.
# This test assumes tools/http_server.py is running in the background.
run_tests()