The last merge changed the API visual style to increase readability.

The manual merging was not done in a proper way however, and some of the
changes from its previous merges were reverted. This commit fixes this.

[refactor] messaging code style + cmd_listen application_uuid relaxing

See merge request !48

container.

This commit does two things:
- re-indents the message schema to be more readable
- lets `cmd listen --filter` print any incoming message, without
discriminating on container_uuid. This makes cmd listen usable until
a proper application_uuid management is written into nrm.

[fix] stylecheck issues

See merge request !50

Some inconsistencies in the CI let a merge request go through without
stylechecking.

[ci] Removes branch filtering based on `wip-*`.

See merge request !49

Aggregative Downstream API integration and Support for Process/Task pinning

See merge request !47

Made necesseary fixes required to make the aggregative downstream api
integration to work with the new downstream messaging layer.

Also,fixed the case where daemon crashed when an application message
(from libnrm using pmpi) was received after container was killed

run_policy on all containers removed as the controller no longer has
application manager info

Any other refactoring and fixes required (check merge request
discussion)

See Issues #13, #20 and Merge !41

Added support for pinning process/task to a core. This is important for
allowing the use of power policies that use contextual information from an
application phase and use it for computing frequency levels for the next phase.
In absence of process/task pinning, the contextual information obtained does
not serve any value as it is not representative of application phase behavior
on a core as the processes and task can migrate during the next phase.

See Issue #20

Fixes NRM not returning the first N resources (cpu and memory). This
is important for reproducibility and reducing variation

Fixed the interaction of the multi-node support feature (#17) with the new
messaging layer feature. Also, added any other fixes required to make the
libnrm work with the Aggregative downstream API

Adds support for aggregation of phase context information for an
application. The damper value (in nanoseconds in the manifest file)
decides the minimum phase length for which the phase context
information is sent to the NRM (implemented in 'libnrm' repo
[See Issue 2]). This will limit the number of msgs sent to the NRM.

See Issue #13

Refactored diff calculation code to work without needing changes in
coolr module (Patch for Commit 36401a84)

[fix] Fixes `cmd listen --filter` for power messages.

See merge request !46

[feature] Adds a --filter option to `cmd` for pretty-printing.

See merge request !44

The option accepts a message type and prints the values in the csv
format:
msgtype, time, payload if the --filter option is recognized
msgtype, time otherwise
The print is force-flushed on stdout.
This switches CI to the "refactored" CI identifier at argotests/tests

Integration power

See merge request !45

the gitlab-ci.yml file now points to argotest/gitlab/basic.yml on
master.

Fixes for cmd listen on power

Closes #26

See merge request !42

This commits simplifies the CI setup for this repository, offloading
all complexity to the "argotest" repository.

This includes renaming "progress" to performance in argo_perf_wrapper.
There are two distincts keywords in the messaging layer: "performance"
for all things related to hardware, and "progress", for all things
relating to the application.

The option is called uuid, not container

Downstream refactor

See merge request !41

These use libnrm/downstream-refactor and should be updated once that
branch is merged.

Doesn't work with the new downstream API.

Replace the downstream API handling by the new messaging layer. Not that
we don't have a clean way to deal with dynamic concurrency control using
this API, so we disable the handling of it for now.

Add downstream RPC client/server classes that are the same as the
upstream ones.

This is part of a series of changes to downstream to allow for more
reliable communications between the daemon and applications. At this
time, the daemon never replies, so the RPC_REQ is basically used as a
way to publish events to the daemon.

Add a config option to specify the location of the PMPI LD_PRELOAD
library available in libnrm. This should make it easier to use this
library.

Resolve "Integration test version pinning."

Closes #25

See merge request !40

This commit pins the integration tests. This is done in the .integration.nix
file, which in turns uses the derivations from the 'argotest'
repository. These pin argopkgs - which itself pins nixpkgs, so
everything should be completely reproducible.

The integration target provisions the dependencies using nix-shell and
runs the basic 'hello world' container test.

Resolve "Bad relative path handling between command line client and daemon"

Closes #8

See merge request !38

This is not as good as passing part of the manifest options forward,
but it still fixes some of the practical problems when using the
components together. The code makes sure that the manifests exists,
though.