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<h3>
Shane Snyder pushed to branch master
at <a href="https://xgitlab.cels.anl.gov/darshan/darshan">darshan / darshan</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://xgitlab.cels.anl.gov/darshan/darshan/commit/5e1a0963a498aebfa583d4b653561f1fd29c6b59">5e1a0963</a></strong>
<div>
<span>by Shane Snyder</span>
<i>at 2016-05-16T14:20:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap">bug fix in agg_perf_by_slowest perf calculation
this calculation was inadvertently accounting for metadata time
twice. also, clarified timing descriptions for slowest unique
file perf calculations.</pre>
</li>
</ul>
<h4>2 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#620f2ecad2bb6f74b2fcd0134963a841" style="text-decoration: none">
darshan-util/darshan-parser.c
</a>
</li>
<li class="file-stats">
<a href="#ad29afc395839758d41094872298bd0d" style="text-decoration: none">
darshan-util/doc/darshan-util.txt
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="620f2ecad2bb6f74b2fcd0134963a841">
<a href="https://xgitlab.cels.anl.gov/darshan/darshan/commit/5e1a0963a498aebfa583d4b653561f1fd29c6b59#diff-0">
<strong>
darshan-util/darshan-parser.c
</strong>
</a>
<hr>
<pre class="highlight"><code><span style="background: #ffdddd; color: #000000">--- a/darshan-util/darshan-parser.c
</span><span style="background: #ddffdd; color: #000000">+++ b/darshan-util/darshan-parser.c
</span><span style="color: #aaaaaa">@@ -558,7 +558,7 @@ int main(int argc, char **argv)
</span> printf("# I/O timing for unique files (seconds):\n");
printf("# ...........................\n");
printf("# unique files: slowest_rank_io_time: %lf\n", pdata.slowest_rank_time);
<span style="background: #ffdddd; color: #000000">- printf("# unique files: slowest_rank_meta_time: %lf\n", pdata.slowest_rank_meta_time);
</span><span style="background: #ddffdd; color: #000000">+ printf("# unique files: slowest_rank_meta_only_time: %lf\n", pdata.slowest_rank_meta_time);
</span> printf("# unique files: slowest rank: %d\n", pdata.slowest_rank_rank);
printf("#\n");
printf("# I/O timing for shared files (seconds):\n");
<span style="color: #aaaaaa">@@ -1350,7 +1350,6 @@ void calc_perf(perf_data_t *pdata,
</span> if (pdata->slowest_rank_time + pdata->shared_time_by_slowest)
pdata->agg_perf_by_slowest = ((double)pdata->total_bytes / 1048576.0) /
(pdata->slowest_rank_time +
<span style="background: #ffdddd; color: #000000">- pdata->slowest_rank_meta_time +
</span> pdata->shared_time_by_slowest);
return;
</code></pre>
<br>
</li>
<li id="ad29afc395839758d41094872298bd0d">
<a href="https://xgitlab.cels.anl.gov/darshan/darshan/commit/5e1a0963a498aebfa583d4b653561f1fd29c6b59#diff-1">
<strong>
darshan-util/doc/darshan-util.txt
</strong>
</a>
<hr>
<pre class="highlight"><code><span style="background: #ffdddd; color: #000000">--- a/darshan-util/doc/darshan-util.txt
</span><span style="background: #ddffdd; color: #000000">+++ b/darshan-util/doc/darshan-util.txt
</span><span style="color: #aaaaaa">@@ -394,7 +394,7 @@ Job performance information can be generated using the `--perf` command-line opt
</span> # I/O timing for unique files (seconds):
# ...........................
# unique files: slowest_rank_io_time: 0.000000
<span style="background: #ffdddd; color: #000000">-# unique files: slowest_rank_meta_time: 0.000000
</span><span style="background: #ddffdd; color: #000000">+# unique files: slowest_rank_meta_only_time: 0.000000
</span> # unique files: slowest_rank: 0
#
# I/O timing for shared files (seconds):
<span style="color: #aaaaaa">@@ -430,7 +430,7 @@ type of file access.
</span>
* unique files: slowest_rank_io_time: total I/O time for unique files
(including both metadata + data transfer time)
<span style="background: #ffdddd; color: #000000">-* unique files: slowest_rank_meta_time: metadata time for unique files
</span><span style="background: #ddffdd; color: #000000">+* unique files: slowest_rank_meta_only_time: metadata time for unique files
</span> * unique files: slowest_rank: the rank of the slowest process
.I/O timing for shared files
</code></pre>
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