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NAME

       tau_treemerge.pl - combine multiple node and or thread TAU tracefiles
       into a merged tracefile

SYNOPSIS

       tau_treemerge.pl [-n break_amount]

DESCRIPTION

       tau_treemerge.pl is generated when TAU is configured with the -TRACE
       option.

       This tool assembles a set of tau trace and event files from multiple
       multiple nodes or threads across a program’s execution into a single
       unified trace file. Many TAU trace file tools operate on merged trace
       files.

       tau_treemerge.pl will generate the specified merged trace file and an
       event definition file, tau.edf by default.

OPTIONS

       -n break_amount set the maximum number of trace files to merge in each
       invocation of tau_merge. If we need to merge 2000 trace files and if
       the maximum number of open files specified by unix is 250,
       tau_treemerge.pl will incrementally merge the trace files so as not to
       exceed the number of open file descriptors.

SEE ALSO

       tau_merge

       tau_convert

       tau2profile

       tau2vtf

       tau2elg

       tau2slog2

                                  01/31/2007