Commit 601e5ef7 authored by Shane Snyder's avatar Shane Snyder

more documentation for dev-modular

parent 2de80622
OUTPUT=darshan-modularization.pdf darshan-modularization.html
all:: $(OUTPUT)
%.pdf: %.txt
a2x -f pdf $<
%.html: %.txt
a2x -f xhtml $<
clean::
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......@@ -19,24 +19,6 @@ modules, which are responsible for gathering I/O data from a specific system com
manage these modules at runtime and create a valid Darshan log regardless of how many
or what types of modules are used.
== Architectural overview
The Darshan source tree is composed of two primary components:
* *darshan-runtime*: Darshan runtime environment necessary for instrumenting MPI
applications and generating I/O characterization logs.
* *darshan-util*: Darshan utilities for analyzing the contents of a given Darshan
I/O characterization log.
=== darshan-runtime
Text.
=== darshan-util
Text.
== Checking out and building the modularization branch
Developers can clone the Darshan source repository using the following methods:
......@@ -53,13 +35,42 @@ git clone git@git.mcs.anl.gov:radix/darshan
git checkout dev-modular
----
For details on building the Darshan runtime and utility repositories, consult
the documentation from previous versions
For details on configuring and building the Darshan runtime and utility repositories,
consult the documentation from previous versions
(http://www.mcs.anl.gov/research/projects/darshan/docs/darshan-runtime.html[darshan-runtime] and
http://www.mcs.anl.gov/research/projects/darshan/docs/darshan-util.html[darshan-util]) -- the
necessary steps for building these repositories should not have changed in the new version of
Darshan.
== Architectural overview
The Darshan source tree is composed of two primary components:
* *darshan-runtime*: Darshan runtime environment necessary for instrumenting MPI
applications and generating I/O characterization logs.
* *darshan-util*: Darshan utilities for analyzing the contents of a given Darshan
I/O characterization log.
The following subsections provide an overview of each of these components with specific
attention to how new instrumentation modules may be integrated into Darshan.
=== darshan-runtime
At a high level, the darshan-runtime library is responsible for instrumenting MPI applications
and generating a log file containing the resulting I/O characterization.
The I/O behavior an application is primarily instrumented by intercepting function calls of
interest and recording relevant data.
// TODO: how does dynamic vs static executable affect a module developer?
=== darshan-util
Text.
== Adding new modules
Text.
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