Date: Sun, 1 Feb 2004 02:00:06 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: Mike Silbersack <silby@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_subr.c uipc_mbuf.cuipc_syscalls.c src/sys/sys uio.h Message-ID: <20040201015908.B1877@odysseus.silby.com> In-Reply-To: <200402010756.i117uiWm094818@repoman.freebsd.org> References: <200402010756.i117uiWm094818@repoman.freebsd.org>
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I tested this patch with apache2, thttpd (with alfred's sendfile patches) and ftpd; all seemed to work properly. Please throw whatever other sendfile using applications you have at it, it'd be best to find bugs sooner rather than later. Mike "Silby" Silbersack On Sat, 31 Jan 2004, Mike Silbersack wrote: > silby 2004/01/31 23:56:44 PST > > FreeBSD src repository > > Modified files: > sys/kern kern_subr.c uipc_mbuf.c uipc_syscalls.c > sys/sys uio.h > Log: > Rewrite sendfile's header support so that headers are now sent in the first > packet along with data, instead of in their own packet. When serving files > of size (packetsize - headersize) or smaller, this will result in one less > packet crossing the network. Quick testing with thttpd and http_load has > shown a noticeable performance improvement in this case (350 vs 330 fetches > per second.) > > Included in this commit are two support routines, iov_to_uio, and m_uiotombuf; > these routines are used by sendfile to construct the header mbuf chain that > will be linked to the rest of the data in the socket buffer. > > Revision Changes Path > 1.80 +42 -0 src/sys/kern/kern_subr.c > 1.125 +56 -0 src/sys/kern/uipc_mbuf.c > 1.171 +43 -12 src/sys/kern/uipc_syscalls.c > 1.31 +3 -0 src/sys/sys/uio.h >
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