Commit f4dcade3 authored by Shane Snyder's avatar Shane Snyder
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small fixes to darshan-runtime documentation

parent 52a56762
...@@ -20,6 +20,10 @@ information about HDF5 and PnetCDF access. Darshan also exposes an API that ...@@ -20,6 +20,10 @@ information about HDF5 and PnetCDF access. Darshan also exposes an API that
can be used to develop and add new instrumentation modules (for other I/O library can be used to develop and add new instrumentation modules (for other I/O library
interfaces or to gather system-specific data, for instance), as detailed in interfaces or to gather system-specific data, for instance), as detailed in
http://www.mcs.anl.gov/research/projects/darshan/docs/darshan-modularization.html[this document]. http://www.mcs.anl.gov/research/projects/darshan/docs/darshan-modularization.html[this document].
Newly contributed modules include a module for gathering system-specific parameters
for jobs running on BG/Q systems, a module for gathering Lustre striping data for
files on Lustre file systems, and a module for instrumenting stdio (i.e., stream I/O
functions like `fopen()`, `fread()`, etc).
This document provides generic installation instructions, but "recipes" for This document provides generic installation instructions, but "recipes" for
several common HPC systems are provided at the end of the document as well. several common HPC systems are provided at the end of the document as well.
...@@ -531,7 +535,7 @@ behavior at runtime: ...@@ -531,7 +535,7 @@ behavior at runtime:
* DARSHAN_LOGPATH: specifies the path to write Darshan log files to. Note that this directory needs to be formatted using the darshan-mk-log-dirs script. * DARSHAN_LOGPATH: specifies the path to write Darshan log files to. Note that this directory needs to be formatted using the darshan-mk-log-dirs script.
* DARSHAN_LOGFILE: specifies the path (directory + Darshan log file name) to write the output Darshan log to. This overrides the default Darshan behavior of automatically generating a log file name and adding it to a log file directory formatted using darshan-mk-log-dirs script. * DARSHAN_LOGFILE: specifies the path (directory + Darshan log file name) to write the output Darshan log to. This overrides the default Darshan behavior of automatically generating a log file name and adding it to a log file directory formatted using darshan-mk-log-dirs script.
* DARSHAN_MODMEM: specifies the maximum amount of memory (in MiB) Darshan instrumentation modules can collectively consume at runtime (if not specified, Darshan uses a default quota of 2 MiB). * DARSHAN_MODMEM: specifies the maximum amount of memory (in MiB) Darshan instrumentation modules can collectively consume at runtime (if not specified, Darshan uses a default quota of 2 MiB).
* DARSHAN_MMAP_LOGPATH: if Darshan's mmap log file mechanism is enabled, this variable specifies what path the mmap log files should be stored in (if not specified, log files will be stored in `/tmp`. * DARSHAN_MMAP_LOGPATH: if Darshan's mmap log file mechanism is enabled, this variable specifies what path the mmap log files should be stored in (if not specified, log files will be stored in `/tmp`).
== Debugging == Debugging
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