Balík: sockperf (3.7-1)

Network benchmarking utility for testing latency and throughput

sockperf is a network benchmarking utility over socket API that was designed for testing performance (latency and throughput) of high-performance systems (it is also good for testing performance of regular networking systems as well). It covers most of the socket API calls and options.

Specifically, in addition to the standard throughput tests, sockperf, does the following:

 * Measure latency of each discrete packet at sub-nanosecond
   resolution (using TSC register that counts CPU ticks with very low
   overhead).
 * Does the above for both ping-pong mode and for latency under load
   mode. This means that measuring latency of single packets even under
   load of millions Packets Per Second (without waiting for reply of
   packet before sending subsequent packet on time)
 * Enable spike analysis by providing histogram, with various
   percentiles of the packets' latencies (for example: median, min, max,
   99% percentile, and more), (this is in addition to average and
   standard deviation). Also, sockperf provides full log with all
   packet's tx/rx times that can be further analyzed with external
   tools, such as MS-Excel or matplotlib - All this without affecting
   the benchmark itself.
 * Support MANY optional settings for good coverage of socket API and
   network configurations, while still keeping very low overhead in the
   fast path to allow cleanest results.

Značky: System Administration: Benchmarking, Implementované v: C++, User Interface: interface::commandline, role::program

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