[PATCH v6 2/7] dts: limit EAL parameters to DPDK apps and add parameters to all apps

[Jeremy Spewock]

On Mon, Jan 8, 2024 at 6:52 AM Juraj Linkeš <juraj.linkes at pantheon.tech>
wrote:

> On Wed, Jan 3, 2024 at 11:33 PM <jspewock at iol.unh.edu> wrote:
> >
> > From: Jeremy Spewock <jspewock at iol.unh.edu>
> >
> > Changed the factory method for creating interactive apps in the SUT Node
> > so that EAL parameters would only be passed into DPDK apps since
> > non-DPDK apps wouldn't be able to process them. Also modified
> > interactive apps to allow for the ability to pass parameters into the
> > app on startup so that the applications can be started with certain
> > configuration steps passed on the command line.
> >
> > Signed-off-by: Jeremy Spewock <jspewock at iol.unh.edu>
> > ---
> >
> > I ended up reverting part of this back to making the argument for
> > eal_parameters allowed to be a string. This was because it was casuing
> > mypy errors where the method signatures of sut_node did not match with
> > that of node.
> >
>
> This is because the signatures don't actually match :-)
>
> The eal_parameters parameter is added on not top of what's in the base
> methods. I suggest we move eal_parameters to the end and then we don't
> need to allow str for eal_parameters.
>
> >  dts/framework/remote_session/testpmd_shell.py |  2 +-
> >  dts/framework/testbed_model/sut_node.py       | 14 +++++++++-----
> >  2 files changed, 10 insertions(+), 6 deletions(-)
> >
> > diff --git a/dts/framework/remote_session/testpmd_shell.py
> b/dts/framework/remote_session/testpmd_shell.py
> > index f310705fac..8f40e8f40e 100644
> > --- a/dts/framework/remote_session/testpmd_shell.py
> > +++ b/dts/framework/remote_session/testpmd_shell.py
> > @@ -118,7 +118,7 @@ def _start_application(self, get_privileged_command:
> Callable[[str], str] | None
> >          Also find the number of pci addresses which were allowed on the
> command line when the app
> >          was started.
> >          """
> > -        self._app_args += " -- -i --mask-event intr_lsc"
> > +        self._app_args += " -i --mask-event intr_lsc"
> >          self.number_of_ports = self._app_args.count("-a ")
> >          super()._start_application(get_privileged_command)
> >
> > diff --git a/dts/framework/testbed_model/sut_node.py
> b/dts/framework/testbed_model/sut_node.py
> > index c4acea38d1..4df18bc183 100644
> > --- a/dts/framework/testbed_model/sut_node.py
> > +++ b/dts/framework/testbed_model/sut_node.py
> > @@ -431,6 +431,7 @@ def create_interactive_shell(
> >          timeout: float = SETTINGS.timeout,
> >          privileged: bool = False,
> >          eal_parameters: EalParameters | str | None = None,
> > +        app_parameters: str = "",
>
> What I meant above is we should move app_parameters before
> eal_parameters and then we can remove the str type of eal_parameters.
>

Sounds good to me, I'll move these around in the next version.


>
> >      ) -> InteractiveShellType:
> >          """Extend the factory for interactive session handlers.
> >
> > @@ -449,20 +450,23 @@ def create_interactive_shell(
> >              eal_parameters: List of EAL parameters to use to launch the
> app. If this
> >                  isn't provided or an empty string is passed, it will
> default to calling
> >                  :meth:`create_eal_parameters`.
> > +            app_parameters: Additional arguments to pass into the
> application on the
> > +                command-line.
> >
> >          Returns:
> >              An instance of the desired interactive application shell.
> >          """
> > -        if not eal_parameters:
> > -            eal_parameters = self.create_eal_parameters()
> > -
> > -        # We need to append the build directory for DPDK apps
> > +        # We need to append the build directory and add EAL parameters
> for DPDK apps
> >          if shell_cls.dpdk_app:
> > +            if not eal_parameters:
> > +                eal_parameters = self.create_eal_parameters()
> > +            app_parameters = f"{eal_parameters} -- {app_parameters}"
> > +
> >              shell_cls.path = self.main_session.join_remote_path(
> >                  self.remote_dpdk_build_dir, shell_cls.path
> >              )
> >
> > -        return super().create_interactive_shell(shell_cls, timeout,
> privileged, str(eal_parameters))
> > +        return super().create_interactive_shell(shell_cls, timeout,
> privileged, app_parameters)
> >
> >      def bind_ports_to_driver(self, for_dpdk: bool = True) -> None:
> >          """Bind all ports on the SUT to a driver.
> > --
> > 2.43.0
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mails.dpdk.org/archives/dev/attachments/20240108/227eac44/attachment.htm>