Date: Fri, 13 Jul 2012 13:45:26 +0100 From: Isabell Long <issyl0@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: svn-doc-head@freebsd.org, svn-doc-all@freebsd.org, doc-committers@freebsd.org Subject: Re: svn commit: r39189 - head/en_US.ISO8859-1/books/porters-handbook Message-ID: <6106A7A7-090A-4C55-91E4-7EDF994E83A8@freebsd.org> In-Reply-To: <20120712150548.GK2338@deviant.kiev.zoral.com.ua> References: <201207121412.q6CECngA011553@svn.freebsd.org> <20120712150548.GK2338@deviant.kiev.zoral.com.ua>
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Hey, On 12 Jul 2012, at 16:05, Konstantin Belousov wrote: > On Thu, Jul 12, 2012 at 02:12:49PM +0000, Isabell Long wrote: >=20 >> + <para>A number of simple syscalls (for example >> + &man.gettimeofday.2;, &man.getpid.2;) are much faster on >> + &linux; than on any other operating system due to caching and >> + the vsyscall performance optimizations. Do not rely on them >> + being cheap in performance-critical applications. In general, >> + try hard to avoid syscalls if possible.</para> > And this is not quite true for HEAD and soon for RELENG_9. Sorry, this came directly from a Google Code-In task done back in = November that simply asked to transfer the info wiki -> SGML, which I = did, and I don't have enough knowledge to check the current status of = the things mentioned. The task was just sat in the list, as it had been = for months, so I decided to commit it. Feel free to submit patches. :-) Isabell.=
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