In article <[EMAIL PROTECTED]>,
Chuck Swiger <[EMAIL PROTECTED]> writes:

cswiger> Akihiro KAYAMA wrote:
cswiger> > Hi all.
cswiger> > 
cswiger> > What is the right way to measure wall-clock time in profiling on 
cswiger> The time shell builtin command or "/usr/bin/time -l _program_"?
cswiger> The latter variant displays the rusage struct (ie, from "man 

Thanks for your response.

Yes, we can know whether the program is I/O bound or CPU bound by
time(1). But it is still unclear which part of the program is really
waiting for I/O. So profiling is needed for tuning, although CPU time
profiling gives me non-distinct result on I/O bound programs.  It is
reason why I want wall-clock time profiling.

Akihiro KAYAMA
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