[Darshan-users] Darshan 3.1.3 official release is now available

[Shane Snyder]

Darshan-users,

The official release for Darshan version 3.1.3 is now available for 
download here 
<ftp://ftp.mcs.anl.gov/pub/darshan/releases/darshan-3.1.3.tar.gz>. We 
have tested this release extensively and believe it is stable and ready 
for use in production. On top of the numerous new features and bug fixes 
included in the darshan-3.1.3-pre1 release (listed in the original email 
copied below), the official version has one additional bug fix:

* Instrumentation of mmap calls is now disabled for dynamically linked 
applications (i.e., applications that LD_PRELOAD darshan)
     - this avoids potential deadlock issues on Cray systems when using 
dynamically linked executables (reported by Cristian Simarro)

You can find updated documentation for darshan-runtime and darshan-util 
components here 
<http://www.mcs.anl.gov/research/projects/darshan/documentation/>.

Please let us know if you have any questions, issues, or concerns using 
this mailing list, or by opening an issue on the Darshan GitLab page 
<https://xgitlab.cels.anl.gov/darshan/darshan>.

Thanks,
--Darshan team

On 01/31/2017 01:44 PM, Shane Snyder wrote:
> Darshan users,
>
> A new Darshan pre-release (3.1.3-pre1) is now available for download 
> here 
> <ftp://ftp.mcs.anl.gov/pub/darshan/releases/darshan-3.1.3-pre1.tar.gz>. 
> Please be aware that this pre-release is experimental and *not* 
> recommended for full-time use in production yet. We hope to have the 
> official 3.1.3 release ready some time next week.
>
> Here is the list of new features and bug fixes in this release:
>
> * New DxT (Darshan eXtended Tracing) instrumentation modules that 
> provide fine-grained tracing data of read/write operations at the 
> POSIX & MPI-IO layers
>     - This tracing module is not enabled by default, and it is 
> envisioned that it be enabled selectively at runtime for applications 
> of interest
>     - This code was contributed by Cong Xu and Intel's High 
> Performance Data Division (HPDD)
> * Darshan now captures command line arguments for Fortran applications
>     - This fix was contributed by Cristian Simarro
> * Fix potential deadlock when using the Cray hugepages module and Darshan
>     - Reported by Glenn Lockwood & Cristian Simarro
> * Fix potential segmentation fault when Darshan exceeds the maximum 
> number of tracked access sizes/strides
>     - Reported by Glenn Lockwood
> * Disable Darshan's HDF5 module by default to avoid potential ABI 
> compatibility issues with HDF5
>     - New configure switches are provided to enable Darshan support 
> for specific HDF5 library versions
>     - Problem report and initial patch provided by Karl-Ulrich Bamberg
> * Add whitelist to Darshan's list of file path exclusions to prevent 
> I/O to/from Cray's Datawarp service from being filtered out
>     - Contributed by Glenn Lockwood
>
> Updated documentation related to using the DxT tracing modules can be 
> found in the source tree ('darshan-runtime/docs' for the Darshan 
> runtime library & darshan-util/docs for Darshan's utilities). To 
> summarize, DxT tracing can be enabled at runtime by exporting the 
> 'DXT_ENABLE_IO_TRACE' environment variable. DxT also has a 
> corresponding parser utility named 'darshan-dxt-parser' that can be 
> used to parse trace data out of Darshan log files.
>
> As always, let us know if you have any questions, issues, or concerns 
> using this mailing list, or by opening an issue on the Darshan GitLab 
> page <https://xgitlab.cels.anl.gov/darshan/darshan>.
>
> Thanks!
> --Darshan team 

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