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docs: add some more doc about the threads

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Wim Taymans 2023-11-23 12:32:35 +01:00
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doc/dox/internals/scheduling.dox
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@ -6,6 +6,22 @@ Graph are constructed from linked nodes together with their ports. This
results in a dependency graph between nodes. Special care is taken for
loopback links so that the graph remains a directed graph.
# Processing threads
The server (and clients) have two processing threads:
- A main thread that will do all IPC with clients and server and configures the
nodes in the graph for processing.
- A (or more) data processing thread that only does the data processing.
The data processing threads are given realtime priority and are designed to
run with as little overhead as possible. All of the node resources such as
buffers, io areas and metadata will be set up in shared memory before the
node is scheduled to run.
This document describes the processing that happens in the data processing
thread after the main-thread has configured it.
# Nodes