Hey Darshan, This is being produced using darshan-job-summary in the trunk, r290: -n ---- Use of uninitialized value $file_record{"CP_INDEP_OPENS"} in numeric eq (==) at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 892, <TRACE> line 23. Use of uninitialized value $file_record{"CP_COLL_OPENS"} in numeric eq (==) at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 892, <TRACE> line 23. Use of uninitialized value $file_record{"CP_POSIX_OPENS"} in numeric eq (==) at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 892, <TRACE> line 23. Use of uninitialized value in addition (+) at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 272. Use of uninitialized value in addition (+) at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 272. Use of uninitialized value in print at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 273. Use of uninitialized value in print at /home/noah/sw/INSTALL/darshan-trunk/bin/darshan-job-summary.pl line 273. ... ... ...