Log Message:
Updated benchmarks/dnsperl to 2.1.0.0
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dnsperf 2.1.0.0
Release Notes
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December 15, 2015

In addition to various bug fixes, the following new capabilities
were added in this release:

 - The -C option was added to resperf. This option enables the local
   server to act as multiple clients.  By default, the local server
   acts as a single client.

 - the -T option was added to dnsperf. This option separates the
   number of clients from the number of threads and allows more
   clients to be simulated effectively.  Note that using this option
   impacts CPU and memory, so we recommend limiting the number of
   threads.