Date: Thu, 15 Oct 2009 14:18:35 +0000 (UTC) From: Luigi Rizzo <luigi@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/tools/tools/netrate/netsend netsend.c Message-ID: <200910151418.n9FEIpqQ026957@repoman.freebsd.org>
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luigi 2009-10-15 14:18:35 UTC
FreeBSD src repository
Modified files:
tools/tools/netrate/netsend netsend.c
Log:
SVN rev 198132 on 2009-10-15 14:18:35Z by luigi
A small change to avoid calling gettimeofday() too often
(hardwired to once every 20us at most).
I found out that on many machines round here, i could only get
300-400kpps with netsend even on loopback and a 'deny' rule in
the firewall, while reducing the number of calls to gettimeofday()
brings the value to 900kpps and more.
This code is just a quick fix for the problem. Of course it could be
done better, with proper getopt() parsing and the like, but since
this applies to the entire program i'll postpone that to when i have
more time.
Reviewed by: rwatson
MFC after: 1 month
Revision Changes Path
1.10 +19 -4 src/tools/tools/netrate/netsend/netsend.c
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