otfmerge(1) otfmerge


otfmerge - Change the number of streams for an existing OTF trace.
Syntax: otfmerge [options] <input file name>
-h, --help
show this help message
show OTF version
show progress
-n <n>
set number of streams for output set this to 0 for using one stream per process (default: 1)
-f <n>
max. number of filehandles available per rank
-o <name>
namestub of the output file (default: out)
-rb <size>
set buffersize of the reader (for each rank)
-wb <size>
set buffersize of the writer (for each rank)
-z <zlevel>
write compressed output zlevel reaches from 0 to 9 where 0 is no compression and 9 is the highest level
cover statistics too
cover snapshots too
write long OTF format