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Small ddsperf enhancements

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* Change default behaviour with no arguments to print help text;
  "ddsperf sanity" now gives the behaviour that it used to give when run
  with no arguments;

* Include context switch rate in output;

* Allow suffixing frequencies and sizes with standard units (so "size
  1kB" is now allowed);

* Add missing option to help text, extend help text with some additional
  informationr.

Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2019-08-03 16:47:06 +02:00 • committed by eboasson
parent ca04ac48de
commit 40ba6b207f
4 changed files with 122 additions and 34 deletions
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6
README.md
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@ -212,7 +212,7 @@ This example shows a few things:
the address or the interface name). Proper use of multiple network interfaces simultaneously will
come, but is not there yet.
* ``AllowMulticast`` configures the circumstances under which multicast will be used. If the
selected interface doesn't support it, it obviously wonn't be used (``false``); but if it does
selected interface doesn't support it, it obviously won't be used (``false``); but if it does
support it, the type of the network adapter determines the default value. For a wired network, it
will use multicast for initial discovery as well as for data when there are multiple peers that
the data needs to go to (``true``); but on a WiFi network it will use it only for initial
@ -225,13 +225,13 @@ This example shows a few things:
the size of the UDP payload), and the size of the fragments into which very large samples get
split (which needs to be "a bit" less). Large values such as these typically improve performance
over the (current) default values.
* ``WhcHigh`` determines when the sender will wait for acknolwedgements from the readers because it
* ``WhcHigh`` determines when the sender will wait for acknowledgements from the readers because it
has buffered too much unacknowledged data. There is some auto-tuning, the (current) default value
is a bit small to get really high throughput.
The configurator tool ``cycloneddsconf`` can help in discovering the settings, as can the config
dump. Background information on configuring Cyclone DDS can be
found [here](https://docs/manual/config.rst).
found [here](docs/manual/config.rst).
# Trademarks