def do_one_function(self, func):
# the original speed
with Timer() as t:
func()
origin = t.get_time()
# With viztracer + python tracer
tracer = VizTracer("python", verbose=0)
tracer.start()
with Timer() as t:
func()
instrumented = t.get_time()
tracer.stop()
with Timer() as t:
entries1 = tracer.parse()
instrumented_parse = t.get_time()
with Timer() as t:
tracer.generate_json()
instrumented_json = t.get_time()
tracer.clear()
# With viztracer + c tracer
tracer = VizTracer("c", verbose=0, ignore_c_function=True)
tracer.start()
with Timer() as t:
func()
instrumented_c = t.get_time()
tracer.stop()
with Timer() as t:
entries2 = tracer.parse()
instrumented_c_parse = t.get_time()
with Timer() as t:
tracer.generate_json()
instrumented_c_json = t.get_time()
tracer.clear()
# With cProfiler
pr = cProfile.Profile()
pr.enable()
with Timer() as t:
func()
cprofile = t.get_time()
pr.disable()
def time_str(name, origin, instrumented):
return "{:.9f}({:.2f})[{}] ".format(instrumented,
instrumented / origin, name)
print("{:10}({}, {}):".format(func.__name__, entries1, entries2))
print(time_str("origin", origin, origin))
print(
time_str("py", origin, instrumented) +
time_str("parse", origin, instrumented_parse) +
time_str("json", origin, instrumented_json))
print(
time_str("c", origin, instrumented_c) +
time_str("parse", origin, instrumented_c_parse) +
time_str("json", origin, instrumented_c_json))
print(time_str("cProfile", origin, cprofile))
def do_one_function(self, func):
# the original speed
with Timer() as t:
func()
origin = t.get_time()
# With viztracer + c tracer + vdb
tracer = VizTracer(verbose=0, vdb=True)
tracer.start()
with Timer() as t:
func()
instrumented_c_vdb = t.get_time()
tracer.stop()
with Timer() as t:
tracer.parse()
instrumented_c_vdb_parse = t.get_time()
with Timer() as t:
tracer.save(output_file="tmp.json")
instrumented_c_vdb_json = t.get_time()
os.remove("tmp.json")
tracer.clear()
# With viztracer + c tracer
tracer = VizTracer(verbose=0)
tracer.start()
with Timer() as t:
func()
instrumented_c = t.get_time()
tracer.stop()
with Timer() as t:
tracer.parse()
instrumented_c_parse = t.get_time()
with Timer() as t:
tracer.generate_json(allow_binary=True)
instrumented_c_json = t.get_time()
tracer.clear()
# With cProfiler
pr = cProfile.Profile()
pr.enable()
with Timer() as t:
func()
cprofile = t.get_time()
pr.disable()
def time_str(name, origin, instrumented):
return "{:.9f}({:.2f})[{}] ".format(instrumented,
instrumented / origin, name)
print(time_str("origin", origin, origin))
print(
time_str("c+vdb", origin, instrumented_c_vdb) +
time_str("parse", origin, instrumented_c_vdb_parse) +
time_str("json", origin, instrumented_c_vdb_json))
print(
time_str("c", origin, instrumented_c) +
time_str("parse", origin, instrumented_c_parse) +
time_str("json", origin, instrumented_c_json))
print(time_str("cProfile", origin, cprofile))
def test_exception(self):
tracer = VizTracer()
tracer.start()
counter = VizCounter(tracer, "name")
with self.assertRaises(Exception) as _:
counter.a = ""
with self.assertRaises(Exception) as _:
counter.b = {}
with self.assertRaises(Exception) as _:
counter.c = []
tracer.stop()
tracer.clear()