Finding slowdowns in pkg_install (continuations of previous threads)

Garrett Cooper youshi10 at
Thu Jul 5 06:59:07 UTC 2007

    I'm currently running a gamut of tests (500 tests, per package -- 
128 total on my server), and outputting all data to CSV files to 
interpret later, using another Perl script to interpret calculated 
averages and standard deviations.

    Using basic printf(2)'s with clock_gettime(2) I have determined that 
the majority of the issues are disk-bound (as Tom Kientzle put it). The 
scope of my problem is not to analyze tar, but I've discovered that a 
lot of time is spent in reading and interpreting the +CONTENTS and 
related files (most notably in parsing commands to be honest).

    Will post more conclusive results tomorrow once all of my results 
are available.


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