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In bin/, user can find several useful utility programs when manipulating
logfiles. These includes log format converters, e.g. clog2slog, log
format print programs, e.g. slog_print, and a script to launch
display program, logviewer.



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clog2slog
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a CLOG to SLOG logfile converter. Since the automatic generation
of SLOG file through setting of environmental variable
MPE_LOG_FORMAT to SLOG may NOT work for some non well-behaved
MPI programs, using the logfile format converter can generate
extra diagnostic information about the condition of the logfile.
Also the converter allows one to adjust certain parameters of
the logfile, like frame size which is the segment of the logfile
to be displayed by Jumpshot-3's Time Line window. For non
well behaved MPI program, one may need to increase the frame
size from the default 64KB to a bigger value. For more
information about the converter, do clog2slog -h.
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clog2alog
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a CLOG to ALOG logfile converter. It is not being developed.
It is provided here for backward compatibility purpose.



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slog_print
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a stdout print program for SLOG file. It serves to check the
content of the logfile. If the SLOG file is too big, it may
NOT be useful to use slog_print. Also, when slog is
NOT complete, slog_print won't work. So it serves as
a simple test to check if the SLOG file is generated completely.
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clog_print
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a stdout print program for CLOG file.



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logviewer
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the script which involves appropriate viewer based on the file
extension of logfile. For instance, if the logfile is foo.slog,
logviewer will invoke Jumpshot-3 to display the
logfile. Jumpshot-3 resides in share/. For more
information of logviewer, do logviewer -help to
list all available options.



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