commit 4d35984f50cb80c53c81d3b211c7aaea3551e923 Author: Karsten Loesing karsten.loesing@gmx.net Date: Thu May 28 22:46:01 2020 +0200

Add CDF-DL graph.

Implements #33257. --- onionperf/visualization.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)

diff --git a/onionperf/visualization.py b/onionperf/visualization.py index 339291a..2107d5a 100644 --- a/onionperf/visualization.py +++ b/onionperf/visualization.py @@ -44,6 +44,7 @@ class TGenVisualization(Visualization): self.__plot_lastbyte_box() self.__plot_lastbyte_bar() self.__plot_lastbyte_time() + self.__plot_throughput_ecdf() self.__plot_downloads_count() self.__plot_errors_count() self.__plot_errors_time() @@ -61,6 +62,16 @@ class TGenVisualization(Visualization): transfer["server"] = "onion" if ".onion:" in transfer_data["endpoint_remote"] else "public" if "elapsed_seconds" in transfer_data: s = transfer_data["elapsed_seconds"] + if "payload_progress" in s: + # Explanation of the math below for computing Mbps: From filesize_bytes + # and payload_progress fields we can compute the number of seconds that + # have elapsed between receiving bytes 524,288 and 1,048,576, which is a + # total amount of 524,288 bytes or 4,194,304 bits or 4.194304 megabits. + # We want the reciprocal of that value with unit megabits per second. + if transfer_data["filesize_bytes"] == 1048576 and "1.0" in s["payload_progress"]: + transfer["mbps"] = 4.194304 / (s["payload_progress"]["1.0"] - s["payload_progress"]["0.5"]) + if transfer_data["filesize_bytes"] == 5242880 and "0.2" in s["payload_progress"]: + transfer["mbps"] = 4.194304 / (s["payload_progress"]["0.2"] - s["payload_progress"]["0.1"]) if "first_byte" in s: transfer["time_to_first_byte"] = s["first_byte"] if "last_byte" in s: @@ -119,6 +130,13 @@ class TGenVisualization(Visualization): title="Time to download last of {0} bytes from {1} service over time".format(bytes, server), xlabel="Download start time", ylabel="Download time (s)")

+ def __plot_throughput_ecdf(self): + for server in self.data["server"].unique(): + self.__draw_ecdf(x="mbps", hue="label", hue_name="Data set", + data=self.data[self.data["server"] == server], + title="Throughput when downloading from {0} server".format(server), + xlabel="Throughput (Mbps)", ylabel="Cumulative Fraction") + def __plot_downloads_count(self): for bytes in np.sort(self.data["filesize_bytes"].unique()): for server in self.data["server"].unique():