Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!us.feeder.erje.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!news-1.dfn.de!news.dfn.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Rainer Weikusat Newsgroups: comp.os.linux.development.apps Subject: Re: Kernel to user space communication Date: Wed, 03 Sep 2014 14:50:05 +0100 Lines: 7 Message-ID: <874mwo4xv6.fsf@sable.mobileactivedefense.com> References: <9ffed644-90c1-4c53-9805-2d43a4f7a5b4@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: individual.net ca1NrO+RjWzbiqE9T9gX1Aectg2OQeDGO4Psl2tbXpKvr/0q4= Cancel-Lock: sha1:h1qyFv6KrWuaLVaBNG5mL/Xgnu4= sha1:trrsgC1xgRI49V037ueq/JrSv8Y= User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) Xref: csiph.com comp.os.linux.development.apps:755 victor writes: > Is anyone aware of any performance measurements for kernel to user > space data access? The techniques i can think of are netlink > sockets, mmap to a dev and ioctl. But i could not find any pointers > on which one to use. System call arguments and socket options would be two additional ones.