[Darshan-users] Minor issues

Mouhamed GUEYE mouhamed.gueye at bull.net
Tue Dec 17 03:08:13 CST 2013


Hello,

Our validation team came up with 2 minor issues while testing darshan-2.2.7.

*1 -* *darshan-convert --annotate option : nb of character is limited to 
6 for the metadata name*

When I tried to configure a metadata with annotate option, if the number 
of character of metadata name is superior to 6, the metadata is malformated.

*Metadata name > 6 characters*

[petit-v at valx13 <mailto:petit-v at valx13> darshan]$ darshan-convert 
--annotate aute-ur=petitv 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan.gz 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan_2.bz2
[petit-v at valx13 <mailto:petit-v at valx13> darshan]$ darshan-parser --file 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan_2.bz2 
# darshan log version: 2.02
# size of file statistics: 1328 bytes
# size of job statistics: 120 bytes
# exe: ./io-sample -p /home_nfs/petit-v -b 1024 -v
# uid: 8037
# jobid: 52946
# start_time: 1385030767
# start_time_asci: Thu Nov 21 11:46:07 2013
# end_time: 1385030854
# end_time_asci: Thu Nov 21 11:47:34 2013
# nprocs: 2
# run time: 88
# metadata: lib_ver = 2.2.7
*# metadata: h = romio_no_indeö*ÿ~=true;cb_nodes=4*
# metadata: aute-ur = petitvÀ
# mounted file systems (device, mount point, and fs type)

*Metadata name = 6 characters*

[petit-v at valx13 <mailto:petit-v at valx13> darshan]$ darshan-convert 
--annotate aute-u=petitv 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan.gz 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan_2.bz2
[petit-v at valx13 <mailto:petit-v at valx13> darshan]$ darshan-parser --file 
petit-v_io-sample_id52946_11-21-42367-14403371711515166632_1.darshan_2.bz2 
# darshan log version: 2.02
# size of file statistics: 1328 bytes
# size of job statistics: 120 bytes
# exe: ./io-sample -p /home_nfs/petit-v -b 1024 -v
# uid: 8037
# jobid: 52946
# start_time: 1385030767
# start_time_asci: Thu Nov 21 11:46:07 2013
# end_time: 1385030854
# end_time_asci: Thu Nov 21 11:47:34 2013
# nprocs: 2
# run time: 88
# metadata: lib_ver = 2.2.7
*# metadata: h = romio_no_indep_rw=true;cb_nodes=4*
# metadata: aute-u = petitv

*2 - **darshan-convert with bad argument -> segmentation fault*

When I used a bad argument for darshan-convert command, a segmentation 
occurred.

Note : for the other Darshan commands, the help is displayed.

[petit-v at valx13 <mailto:petit-v at valx13> darshan]$ darshan-convert 
*--anotate*
*Segmentation fault (core dumped)*

Thanks,

-- 
Mouhamed GUEYE
HPC Engineer
Phone: +33 (0)4 76 29 74 91

Bull, Architect of an Open World
http://www.bull.com
Bull World Web TV -> http://www.bull-world.com/

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