diff options
| author | madt1m <pietrotirenna.pt@gmail.com> | 2018-07-22 11:16:11 +0200 |
|---|---|---|
| committer | madt1m <pietrotirenna.pt@gmail.com> | 2018-07-22 12:47:54 +0200 |
| commit | 8ab82ad9a3b2fc440441309ac98568433193ac1f (patch) | |
| tree | a57537e8b857622c150a5bb7937f42d86c04f418 /test/bench | |
| parent | ec092fdc120273644c79ae65ae0328dc9f31ee80 (diff) | |
| download | mitmproxy-8ab82ad9a3b2fc440441309ac98568433193ac1f.tar.gz mitmproxy-8ab82ad9a3b2fc440441309ac98568433193ac1f.tar.bz2 mitmproxy-8ab82ad9a3b2fc440441309ac98568433193ac1f.zip | |
benchmark: new protobuf serialization performance profiler
Diffstat (limited to 'test/bench')
| -rwxr-xr-x | test/bench/serialization-bm.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/test/bench/serialization-bm.py b/test/bench/serialization-bm.py new file mode 100755 index 00000000..6bac6415 --- /dev/null +++ b/test/bench/serialization-bm.py @@ -0,0 +1,102 @@ +import asyncio
+import time
+import os
+from statistics import mean
+
+from mitmproxy import ctx
+from mitmproxy.io import db
+from mitmproxy.test import tflow
+
+
+class StreamTester:
+
+ """
+ Generates a constant stream of flows and
+ measure protobuf dumping throughput.
+ """
+
+ def __init__(self):
+ self.loop = asyncio.get_event_loop()
+ self.queue = asyncio.Queue(loop=self.loop)
+ self.dbh = None
+ self.streaming = False
+ self.tf = None
+ self.out = None
+ self.hot_flows = []
+ self.results = []
+ self._fflushes = 0
+ self._stream_period = 0.001
+ self._flush_period = 3.0
+ self._flush_rate = 150
+
+ def load(self, loader):
+ loader.add_option(
+ "testflow_size",
+ int,
+ 1000,
+ "Length in bytes of test flow content"
+ )
+ loader.add_option(
+ "benchmark_save_path",
+ str,
+ "/tmp/stats",
+ "Destination for the stats result file"
+ )
+
+ def running(self):
+ if not self.streaming:
+ ctx.log("<== Serialization Benchmark Enabled ==>")
+ self.tf = tflow.tflow()
+ self.tf.request.content = b'A' * ctx.options.testflow_size
+ ctx.log(f"With content size: {len(self.tf.request.content)} B")
+ self.dbh = db.DBHandler("/tmp/temp.sqlite", mode='write')
+ self.out = open(ctx.options.benchmark_save_path, "w")
+ self.streaming = True
+ self.loop.create_task(asyncio.gather(self.writer(), self.stream(), self.stats()))
+
+ async def stream(self):
+ while True:
+ await self.queue.put(self.tf)
+ await asyncio.sleep(self._stream_period)
+
+ async def writer(self):
+ while True:
+ await asyncio.sleep(self._flush_period)
+ count = 1
+ f = await self.queue.get()
+ self.hot_flows.append(f)
+ while not self.queue.empty() and count < self._flush_rate:
+ try:
+ self.hot_flows.append(self.queue.get_nowait())
+ count += 1
+ except asyncio.QueueEmpty:
+ pass
+ start = time.perf_counter()
+ n = self._fflush()
+ end = time.perf_counter()
+ self.out.write(f"dumps/time ratio: {n} / {end-start} -> {n/(end-start)}\n")
+ self.results.append(n / (end - start))
+ self._fflushes += 1
+ ctx.log(f"Flushes: {self._fflushes}")
+
+ async def stats(self):
+ while True:
+ await asyncio.sleep(1.0)
+ if self._fflushes == 21:
+ self.out.write(f"AVG : {mean(self.results)}\n")
+ ctx.log(f"<== Benchmark Ended. Collect results at {ctx.options.benchmark_save_path} ==>")
+ self.out.close()
+ del self.dbh
+ os.remove("/tmp/temp.sqlite")
+ ctx.master.shutdown()
+
+ def _fflush(self):
+ self.dbh.store(self.hot_flows)
+ n = len(self.hot_flows)
+ self.hot_flows = []
+ return n
+
+
+addons = [
+ StreamTester()
+]
|