Date: Thu, 13 May 2004 02:03:00 -0700 (PDT) From: Diomidis Spinellis <dds@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/usr.sbin/ppp ip.c Message-ID: <200405130903.i4D930tS085950@repoman.freebsd.org>
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dds 2004/05/13 02:03:00 PDT
FreeBSD src repository
Modified files:
usr.sbin/ppp ip.c
Log:
Make getprotobynumber() calls in FilterCheck conditional on the log
levels by which they are used. On a typical production setting (no
debug or filter logging) this will save an open/read/close system
call sequence per packet, approximately halving the system overhead
and reducing the overall overhead by 38%.
dd bs=1k count=512 if=/usr/share/dict/web2 |
ssh ppp-linked-host dd of=/dev/null
# time original-ppp -nat -foreground connection
Working in foreground mode
Using interface: tun0
2.822u 2.404s 2:00.31 4.3% 392+496k 8+18io 3pf+0w
# time new-ppp -nat -foreground connection
Working in foreground mode
Using interface: tun0
2.082u 1.173s 1:26.06 3.7% 379+450k 0+18io 0pf+0w
MFC after: 3 weeks
Revision Changes Path
1.101 +43 -13 src/usr.sbin/ppp/ip.c
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